refactor(curriculum): remove unused solutions (#55114)

curriculum/challenges/english/05-back-end-development-and-apis/back-end-development-and-apis-projects/exercise-tracker.md

@@ -610,13 +610,3 @@ async (getUserInput) => {
   }
 };
 ```
-
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions,
-  because they would need to be tested against a full working project.
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/back-end-development-and-apis-projects/file-metadata-microservice.md

@@ -75,12 +75,3 @@ async (getUserInput) => {
 };
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/back-end-development-and-apis-projects/request-header-parser-microservice.md

@@ -64,12 +64,3 @@ A request to `/api/whoami` should return a JSON object with your software in the
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/back-end-development-and-apis-projects/timestamp-microservice.md

@@ -143,12 +143,3 @@ An empty date parameter should return the current time in a JSON object with a `
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/back-end-development-and-apis-projects/url-shortener-microservice.md

@@ -106,12 +106,3 @@ async (getUserInput) => {
 };
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/basic-node-and-express/chain-middleware-to-create-a-time-server.md

@@ -68,12 +68,3 @@ The `/now` endpoint should return the current time.
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/basic-node-and-express/get-data-from-post-requests.md

@@ -67,12 +67,3 @@ Test 2 : Your API endpoint should respond with the correct name
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/basic-node-and-express/get-query-parameter-input-from-the-client.md

@@ -56,12 +56,3 @@ Test 2 : Your API endpoint should respond with `{ "name": "Keith Richards" }` wh
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/basic-node-and-express/get-route-parameter-input-from-the-client.md

@@ -54,12 +54,3 @@ Test 2 : Your echo server should repeat words correctly
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/basic-node-and-express/implement-a-root-level-request-logger-middleware.md

@@ -46,12 +46,3 @@ Root level logger middleware should be active
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/basic-node-and-express/meet-the-node-console.md

@@ -48,12 +48,3 @@ Modify the `myApp.js` file to log "Hello World" to the console.
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/basic-node-and-express/serve-an-html-file.md

@@ -40,12 +40,3 @@ Your app should serve the file views/index.html
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/basic-node-and-express/serve-json-on-a-specific-route.md

@@ -36,12 +36,3 @@ The endpoint `/json` should serve the JSON object `{"message": "Hello json"}`
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/basic-node-and-express/serve-static-assets.md

@@ -62,12 +62,3 @@ Your app should not serve files from any other folders except from `/public` dir
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/basic-node-and-express/start-a-working-express-server.md

@@ -46,12 +46,3 @@ Your app should serve the string 'Hello Express'
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/basic-node-and-express/use-body-parser-to-parse-post-requests.md

@@ -52,12 +52,3 @@ The 'body-parser' middleware should be mounted
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/basic-node-and-express/use-the-.env-file.md

@@ -41,12 +41,3 @@ The response of the endpoint `/json` should change according to the environment
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/managing-packages-with-npm/add-a-description-to-your-package.json.md

@@ -41,12 +41,3 @@ package.json should have a valid "description" key
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/managing-packages-with-npm/add-a-license-to-your-package.json.md

@@ -37,12 +37,3 @@ package.json should have a valid "license" key
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/managing-packages-with-npm/add-a-version-to-your-package.json.md

@@ -35,12 +35,3 @@ package.json should have a valid "version" key
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/managing-packages-with-npm/add-keywords-to-your-package.json.md

@@ -73,12 +73,3 @@ package.json should have a valid "keywords" key
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/managing-packages-with-npm/expand-your-project-with-external-packages-from-npm.md

@@ -66,12 +66,3 @@ Add version `1.1.0` of the `@freecodecamp/example` package to the `dependencies`
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/managing-packages-with-npm/how-to-use-package.json-the-core-of-any-node.js-project-or-npm-package.md

@@ -51,12 +51,3 @@ If you are using Gitpod, make sure the app is running and the preview window is
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/managing-packages-with-npm/manage-npm-dependencies-by-understanding-semantic-versioning.md

@@ -62,12 +62,3 @@ In the dependencies section of your `package.json` file, change the version of `
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/managing-packages-with-npm/remove-a-package-from-your-dependencies.md

@@ -41,12 +41,3 @@ Remove the `@freecodecamp/example` package from your dependencies.
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/managing-packages-with-npm/use-the-caret-character-to-use-the-latest-minor-version-of-a-dependency.md

@@ -64,12 +64,3 @@ Use the caret (`^`) to prefix the version of `@freecodecamp/example` in your dep
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/managing-packages-with-npm/use-the-tilde-character-to-always-use-the-latest-patch-version-of-a-dependency.md

@@ -64,12 +64,3 @@ Use the tilde (`~`) character to prefix the version of `@freecodecamp/example` i
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/mongodb-and-mongoose/chain-search-query-helpers-to-narrow-search-results.md

@@ -65,12 +65,3 @@ Chaining query helpers should succeed
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/mongodb-and-mongoose/create-a-model.md

@@ -73,12 +73,3 @@ Creating an instance from a mongoose schema should succeed
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/mongodb-and-mongoose/create-and-save-a-record-of-a-model.md

@@ -45,12 +45,3 @@ Creating and saving a db item should succeed
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/mongodb-and-mongoose/create-many-records-with-model.create.md

@@ -57,12 +57,3 @@ Creating many db items at once should succeed
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/mongodb-and-mongoose/delete-many-documents-with-model.remove.md

@@ -46,12 +46,3 @@ Deleting many items at once should succeed
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/mongodb-and-mongoose/delete-one-document-using-model.findbyidandremove.md

@@ -42,12 +42,3 @@ Deleting an item should succeed
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/mongodb-and-mongoose/install-and-set-up-mongoose.md

@@ -64,12 +64,3 @@ mongoose.connect(<Your URI>, { useNewUrlParser: true, useUnifiedTopology: true }
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/mongodb-and-mongoose/perform-classic-updates-by-running-find-edit-then-save.md

@@ -43,12 +43,3 @@ Find-edit-update an item should succeed
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/mongodb-and-mongoose/perform-new-updates-on-a-document-using-model.findoneandupdate.md

@@ -47,12 +47,3 @@ findOneAndUpdate an item should succeed
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/mongodb-and-mongoose/use-model.find-to-search-your-database.md

@@ -42,12 +42,3 @@ Find all items corresponding to a criteria should succeed
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/mongodb-and-mongoose/use-model.findbyid-to-search-your-database-by-id.md

@@ -37,12 +37,3 @@ Find an item by Id should succeed
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/05-back-end-development-and-apis/mongodb-and-mongoose/use-model.findone-to-return-a-single-matching-document-from-your-database.md

@@ -40,12 +40,3 @@ Find one item should succeed
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/announce-new-users.md

@@ -74,12 +74,3 @@ async (getUserInput) => {
 }
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/authentication-strategies.md

@@ -80,12 +80,3 @@ async (getUserInput) => {
 }
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/authentication-with-socket.io.md

@@ -129,12 +129,3 @@ async (getUserInput) => {
 }
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/clean-up-your-project-with-modules.md

@@ -50,12 +50,3 @@ async (getUserInput) => {
 }
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/communicate-by-emitting.md

@@ -87,12 +87,3 @@ async (getUserInput) => {
 }
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/create-new-middleware.md

@@ -72,12 +72,3 @@ async (getUserInput) => {
 }
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/handle-a-disconnect.md

@@ -52,12 +52,3 @@ async (getUserInput) => {
 }
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/hashing-your-passwords.md

@@ -68,12 +68,3 @@ async (getUserInput) => {
 }
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/how-to-put-a-profile-together.md

@@ -45,12 +45,3 @@ async (getUserInput) => {
 }
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/how-to-use-passport-strategies.md

@@ -64,12 +64,3 @@ async (getUserInput) => {
 }
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/implement-the-serialization-of-a-passport-user.md

@@ -74,12 +74,3 @@ async (getUserInput) => {
 }
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/implementation-of-social-authentication-ii.md

@@ -94,13 +94,3 @@ async (getUserInput) => {
   );
 }
 ```
-
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions,
-  because they would need to be tested against a full working project.
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/implementation-of-social-authentication-iii.md

@@ -67,12 +67,3 @@ async (getUserInput) => {
 }
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/implementation-of-social-authentication.md

@@ -97,12 +97,3 @@ async (getUserInput) => {
 }
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/logging-a-user-out.md

@@ -64,12 +64,3 @@ async (getUserInput) => {
 }
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/registration-of-new-users.md

@@ -200,12 +200,3 @@ Profile should no longer work after logout.
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/send-and-display-chat-messages.md

@@ -62,12 +62,3 @@ async (getUserInput) => {
 }
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/serialization-of-a-user-object.md

@@ -125,12 +125,3 @@ async (getUserInput) => {
 }
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/set-up-a-template-engine.md

@@ -101,12 +101,3 @@ async (getUserInput) => {
     }
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/set-up-passport.md

@@ -100,12 +100,3 @@ async (getUserInput) => {
 }
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/set-up-the-environment.md

@@ -121,12 +121,3 @@ async (getUserInput) => {
 }
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/advanced-node-and-express/use-a-template-engines-powers.md

@@ -71,12 +71,3 @@ async (getUserInput) => {
 }
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/assert-deep-equality-with-.deepequal-and-.notdeepequal.md

@@ -68,12 +68,3 @@ You should choose the correct method for the second assertion - `deepEqual` vs.
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/compare-the-properties-of-two-elements.md

@@ -98,12 +98,3 @@ You should choose the correct method for the fourth assertion - `isAbove` vs. `i
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/learn-how-javascript-assertions-work.md

@@ -62,12 +62,3 @@ You should choose the correct method for the second assertion - `isNull` vs. `is
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-an-api-response-using-chai-http-iii---put-method.md

@@ -138,12 +138,3 @@ You should test for `res.body.surname` to be `'Colombo'`.
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-an-api-response-using-chai-http-iv---put-method.md

@@ -115,12 +115,3 @@ You should test for `res.body.surname` to be `'da Verrazzano'`
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-api-endpoints-using-chai-http-ii.md

@@ -64,12 +64,3 @@ You should test for `res.text` == `'hello <your_name>'`
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-api-endpoints-using-chai-http.md

@@ -94,12 +94,3 @@ You should test for `res.text` == `'hello Guest'`
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-using-a-headless-browser-ii.md

@@ -104,12 +104,3 @@ You should assert that the element `span#dates` exist and its count is 1.
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-using-a-headless-browser.md

@@ -137,12 +137,3 @@ You should assert that the element `span#dates` exist and its count is 1.
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/simulate-actions-using-a-headless-browser.md

@@ -61,12 +61,3 @@ All tests should pass.
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/test-for-truthiness.md

@@ -90,12 +90,3 @@ You should choose the correct method for the third assertion - `isTrue` vs. `isN
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-string-contains-a-substring.md

@@ -68,12 +68,3 @@ You should choose the correct method for the second assertion - `include` vs. `n
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-falls-within-a-specific-range.md

@@ -76,12 +76,3 @@ You should choose the correct range for the second assertion - `approximately(ac
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-is-a-string.md

@@ -82,12 +82,3 @@ You should choose the correct method for the third assertion - `isString` vs. `i
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-is-an-array.md

@@ -66,12 +66,3 @@ You should choose the correct method for the second assertion - `isArray` vs. `i
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-is-of-a-specific-data-structure-type.md

@@ -122,12 +122,3 @@ You should choose the correct method for the fifth assertion - `typeOf` vs. `not
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-variable-or-function-is-defined.md

@@ -84,12 +84,3 @@ You should choose the correct method for the third assertion - `isDefined` vs. `
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-an-array-contains-an-item.md

@@ -66,12 +66,3 @@ You should choose the correct method for the second assertion - `include` vs. `n
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-an-object-has-a-property.md

@@ -82,12 +82,3 @@ You should choose the correct method for the third assertion - `property` vs. `n
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-an-object-is-an-instance-of-a-constructor.md

@@ -104,12 +104,3 @@ You should choose the correct method for the fourth assertion - `instanceOf` vs.
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-one-value-is-below-or-at-least-as-large-as-another.md

@@ -98,12 +98,3 @@ You should choose the correct method for the fourth assertion - `isBelow` vs. `i
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/use-assert.isok-and-assert.isnotok.md

@@ -76,12 +76,3 @@ You should choose the correct method for the third assertion - `isOk` vs. `isNot
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/use-regular-expressions-to-test-a-string.md

@@ -68,12 +68,3 @@ You should choose the correct method for the second assertion - `match` vs. `not
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/use-the-double-equals-to-assert-equality.md

@@ -100,12 +100,3 @@ You should choose the correct method for the fourth assertion - `equal` vs. `not
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-and-testing-with-chai/use-the-triple-equals-to-assert-strict-equality.md

@@ -100,12 +100,3 @@ You should choose the correct method for the fourth assertion - `strictEqual` vs
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-projects/american-british-translator.md

@@ -323,13 +323,3 @@ async (getUserInput) => {
   }
 };
 ```
-
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions,
-  because they would need to be tested against a full working project.
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-projects/issue-tracker.md

@@ -356,12 +356,3 @@ async (getUserInput) => {
 };
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-projects/metric-imperial-converter.md

@@ -307,12 +307,3 @@ async getUserInput => {
 };
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-projects/personal-library.md

@@ -207,13 +207,3 @@ async (getUserInput) => {
   }
 };
 ```
-
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions,
-  because they would need to be tested against a full working project.
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/06-quality-assurance/quality-assurance-projects/sudoku-solver.md

@@ -393,13 +393,3 @@ async (getUserInput) => {
   }
 };
 ```
-
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions,
-  because they would need to be tested against a full working project.
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/09-information-security/information-security-projects/anonymous-message-board.md

@@ -380,12 +380,3 @@ async (getUserInput) => {
 };
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/09-information-security/information-security-projects/secure-real-time-multiplayer-game.md

@@ -172,13 +172,3 @@ async (getUserInput) => {
   assert.equal(parsed.headers['x-powered-by'], 'PHP 7.4.3');
 };
 ```
-
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions,
-  because they would need to be tested against a full working project.
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/09-information-security/information-security-projects/stock-price-checker.md

@@ -123,12 +123,3 @@ async (getUserInput) => {
 };
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/09-information-security/information-security-with-helmetjs/ask-browsers-to-access-your-site-via-https-only-with-helmet.hsts.md

@@ -52,12 +52,3 @@ maxAge should be equal to 7776000 s (90 days)
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/09-information-security/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.md

@@ -31,12 +31,3 @@ helmet.noSniff() middleware should be mounted correctly
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/09-information-security/information-security-with-helmetjs/configure-helmet-using-the-parent-helmet-middleware.md

@@ -39,12 +39,3 @@ no tests - it's a descriptive challenge
 assert(true);
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/09-information-security/information-security-with-helmetjs/disable-client-side-caching-with-helmet.nocache.md

@@ -36,12 +36,3 @@ helmet.noCache() middleware should be mounted correctly
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/09-information-security/information-security-with-helmetjs/disable-dns-prefetching-with-helmet.dnsprefetchcontrol.md

@@ -33,12 +33,3 @@ helmet.dnsPrefetchControl() middleware should be mounted correctly
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```

curriculum/challenges/english/09-information-security/information-security-with-helmetjs/hash-and-compare-passwords-asynchronously.md

@@ -70,12 +70,3 @@ Async hash should be generated and correctly compared.
   );
 ```
 
-# --solutions--
-
-```js
-/**
-  Backend challenges don't need solutions, 
-  because they would need to be tested against a full working project. 
-  Please check our contributing guidelines to learn more.
-*/
-```