Merge pull request #904 from 01-edu/issue-corrections

groupie-trackers & ascii-art-web & tetris

subjects/ascii-art-web/export-file/README.md

@@ -9,8 +9,14 @@ Ascii-art-web-export consists on making sure that it is possible to export the o
 - You should be able to export the result of the [ascii-art](../../ascii-art/README.md) project implemented in the website.
 - The file must be exported with the right permissions (**read and write**) for the user.
 
+The _Hypertext Transfer Protocol_ (HTTP) is the foundation of data communication for the World Wide Web (www). When sending a file or image as part of the HTTP response we must include the use of [HTTP headers](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers).
+
+Headers used for file transfer are [Content-Type](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Type), [Content-Length](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Length) and [Content-Disposition](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Disposition) and more if needed, but for this project you will be obligated to use those headers.
+
 ### Instructions
 
+As you already learned from the previous project you must create a new HTTP endpoint to be able to transfer the file to the client. The following instructions must also be followed :
+
 - The web server must export at least in one export format.
 - The web server must be created in **Go**.
 - The web site must include a button or a link to download/export the file.
@@ -27,6 +33,6 @@ This project will help you learn about :
   - Portable Document Format (pdf)
   - Text File (txt)
   - [Here are some more examples](https://en.wikipedia.org/wiki/Document_file_format)
-- HTTP headers
+- [HTTP headers](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers)
 - Ways to receive data.
 - Ways to output data.

subjects/groupie-tracker/filters/README.md

@@ -13,9 +13,15 @@ You must follow the same [principles](../README.md) as the first subject.
   - filter by number of members
   - filter by locations of concerts
 
-- You must use at least these two types of filters:
-  - a range filter
-  - a check box filter
+- Your filters must be of at least these two types:
+  - a range filter (filters the results between two values)
+  - a check box filter (filters the results by one or multiple selection)
+
+### Example
+
+Here is an example of both types of filters:
+
+![image](filters_example.png).
 
 ### Hints
 

subjects/groupie-tracker/search-bar/README.md

@@ -5,6 +5,7 @@
 You must follow the same [principles](../README.md) as the first subject.
 
 Groupie tracker search bar consists of creating a functional program that searches, inside your website, for a specific text input.
+So the focus of this project is to create a way for the client to search a member or artist or any other attribute in the data system you made.
 
 - The program should handle at least these search cases :
   - artist/band name
@@ -17,6 +18,14 @@ Groupie tracker search bar consists of creating a functional program that search
   - The search bar must identify and display in each suggestion the individual type of the search cases. (ex: Freddie Mercury -> member)
   - For example if you start writing `"phil"` it should appear as suggestions `Phil Collins - member` and `Phil Collins - artist/band`. This is just an example of a display.
 
+### Example
+
+Lets imagine you have created a card system to display the band data. The user can directly search for the band he needs. Here is an example:
+
+- While the user is typing for the member he desires to see, the search bar gives the suggestion of all the possible options.
+
+![image](searchExample.png)
+
 ### Instructions
 
 - The program must be written in **Go**.