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  A simple example of git bisect command

git bisect is a very powerful command for finding out which commit is a bad commit when bug occurs.  The rationale behind this command is that it pin locates the bad commit by divide and conquer. It divides the commit history into two equal parts, then determines whether the bad commit is at the first half or at the other half. This process will continue until the bad commit is located. Here is a really good example created by bradleyboy, this is a simple git repository which demonstr...

   GITHUB,GIT,GIT BISECT     2019-07-12 10:31:51

  Google open sources Leak Finder for JavaScript

Google recently open sourced a tools for finding memory leaks in JavaScript programs. In JavaScript you cannot have "memory leaks" in the traditional sense, but you can have objects which are unintentionally kept alive and which in turn keep alive other objects, e.g., large parts of DOM. Leak Finder for JavaScript works against the Developer tools remote inspecting protocol of Chrome, retrieves heap snapshots, and detects objects which are "memory leaks" according to a given leak definition. The...

   Google,Open source,JavaScript     2012-08-15 13:45:34

  Forgotten TODOs: ideas for contributing to open-source projects

I often talk to students that want to contribute to open-source projects, but just don't have an idea what to work on. Here's a tip if you're in a similar situation (e.g. you want to apply for GSOC) : 1 git clone repository_url_of_some_open_source_project target_directory 2 grep -RIn TODO target_directory/* So, find the URL of the repository project you want to contribute to, checkout the repository using git/mercurial/svn and then find all the TODOs in the source code using grep. The -RI...

   Open source,constribution,TODO,participation     2012-03-03 22:30:28

  How to commit code to OpenStack

If you want to make contributions to OpenStack, the best way to start is to help the community with blueprint or submit bug fix. To commit codes, you need to conform to some rules in the community. Work flow Register an OpenID Apply for a CLA certificate Apply for company CLA certificate Update contributor list Join OpenStack Contributors group and OpenStack group Set up SSH Keys Get a blueprint/bug git clone codes to local disk. Configure user name and user email and openid Modify codes in a l...

   OpenStack,Contribution     2013-08-04 23:04:45

  Understand diff in Unix

diff is an important tool program in Unix. It is used to compare differences of two files, it is the foundation for code version control. If you type : $ diff <file_before_change> <file_after_change> diff will tell you what's the difference between these two files. The result may not be so easy to understand, so now I will show you how to understand diff. 1. 3 formats of diff diff has 3 formats due to historic reasons. normal diff context diff unified diff 2. Demo files For easy d...

   diff,Unix,version control,git     2012-09-03 10:49:36

  GitHub : Code is the most direct way for programmers to communicate

If not invested by Andreessen Horowitz, GitHub might not be noticed by Forbes, CNN, New York Times. People didn't know this tool because it was very far away from the world -- GitHub is a project hosting service used by programmers.But to some programmers, it is not just a place for project hosting, it is`also the hub for open source projects, a place for programmers improving themselves and a social network for programmers.There are around 3.26 million projects hosted on GitHub currently, inclu...

   GitHub,Open source,Hosting,Social     2012-07-20 11:38:31

  Read 10 new books from O'Reilly for free

Recently O'Reilly provided free access to some books. Some of them are even in early release status. Here we recommend 10 of them. 1、Mastering Perl 2、Git Pocket Guide 3、Vagrant: Up and Running 4、High Performance Browser Networking 5、802.11ac: A Survival Guide 6、Test-Driven Development with Python 7、Interactive Data Visualization for the Web 8、HTML5 Canvas 9、Programming JavaScript Applications 10、Agile Data Source : http://linu...

   O'Reilly,Free book,Early release     2013-07-03 07:56:20

  8 Optimization Rules To Improve Visibility Of your Ecommerce Store

The success of an Ecommerce store depends on its page rank. If your store pops up in first page then there are higher chances of getting noticed. But getting a spot in page 1 is no mean task as web crawlers are very smart in identifying a quality content. These crawlers follow a specific pattern in setting up a yardstick for a quality content. You need to understand what does a quality content mean from a search engine perspective. Here are the rules to be followed.   #1 Unique content is ...

   marketplace apptha, multi vendor marketplace, magento marketplace     2015-03-09 07:16:16

  The magic of go:linkname

When writing Go program, there is frequent need on using time.Sleep() function to pause the logic for some time. And if jumping to the definition of this function, can see below definition: // Sleep pauses the current goroutine for at least the duration d. // A negative or zero duration causes Sleep to return immediately. func Sleep(d Duration) I's strange that there is no function body defined here. What happened? The actual definition of the function body is residing at runtime/time.go&nb...

   TRICKS,GO:LINKNAME,GOLANG     2022-04-10 08:39:00

  Open Source (Almost) Everything

When Chris and I first started working on GitHub in late 2007, we split the work into two parts. Chris worked on the Rails app and I worked on Grit, the first ever Git bindings for Ruby. After six months of development, Grit had become complete enough to power GitHub during our public launch of the site and we were faced with an interesting question:Should we open source Grit or keep it proprietary?Keeping it private would provide a higher hurdle for competing Ruby-based Git hosting sites, givin...

   Open source,Benefits,Popularity,Advertisement,Advantage     2011-11-23 07:58:15

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