A community of great programmers and their programming tips

CoderWall is a community website that provides a platform for global hacker communication.

It is committed to aggregating Geeks projects and other information on Github, Twitter, LinkedIn and other websites to create a "technical business card" for Geeks. When programmers encounter difficulties in the programming process, they can post questions on the website to get "professional guidance" from hackers around the world. Hackers who provide help can increase their "geek points" and also increase their exposure and increase their chances of being discovered and hired by technology companies.

Users can log in to CoderWall with their Twitter accounts and connect accounts such as Github and LinkedIn. CoderWall will determine the users technical strength based on these account information and reward various technical medals. There are currently about 13,000 personal accounts.

The content on CoderWall is more inclined to practical tips and best practices, such as usage tips and tool recommendations for various programming languages ​​(such as JavaScript, CSS, .NET, etc.).

Some of the popular programming tips on this website are as follows:

• Fully customize the select box using only simple CSS;

• Use JavaScript to iterate over the keys and values ​​of an object;

• How to create an image slider using JavaScript;

• Stop/remove all Docker containers;

• Uninstall all corrupted versions of MySQL using brew on Mac Mavericks and reinstall;

• Dont use .forEach for arrays, but use for() instead (to improve performance);

• Basic Vim commands (for beginners);

• How to check if a JavaScript object is null;

• Read Excel files in C#, etc.

CoderWall is headquartered in San Francisco, USA. It was founded in 2011 and is one of the startups incubated by Y Combinator.