&gt; This is now very possible. You just go to the fork you want to fork
&gt; and click &quot;fork&quot; like you would always do. This only works if you
&gt; don&#39;t have a different fork of that repository in your account
&gt; already, though. If you do, you have to delete it.

Answered in a comment by [iFreilicht][1]

Since this is the correct answer now, it is better to highlight it.

  [1]: https://stackoverflow.com/questions/6675994/is-it-possible-to-fork-a-fork-in-github#comment65238299_6896839

I contacted GitHub support about this &#39;issue&#39; and they confirmed this is not possible. Also, it is very unlikely that such a feature will be implemented in the future.

Simple answer: Yes and no.

No, for a single account as you are unable to create two repositories with the same name (and forks always have the same name).

Yes, for multiple accounts. So you could setup an organization for your second fork.

now,there is a drop-down arrow, you can chose base repository
![drop-down arrow](https://wx1.sinaimg.cn/mw690/0085fLOFgy1ggk2uyl1nij30pt07174n.jpg)

In *Python* one can do:

    foo = {}
    assert foo.get(&#39;bar&#39;, &#39;baz&#39;) == &#39;baz&#39;

In *PHP* one can go for a trinary operator as in:

    $foo = array();
    assert( (isset($foo[&#39;bar&#39;])) ? $foo[&#39;bar&#39;] : &#39;baz&#39; == &#39;baz&#39; );

I am looking for a golf version. Can I do it shorter/better in PHP?


### UPDATE [March 2020]:

    assert($foo[&#39;bar&#39;] ?? &#39;baz&#39; == &#39;baz&#39;);


It seems that `Null coalescing operator ??` is [worth checking out](https://www.php.net/manual/en/migration70.new-features.php#migration70.new-features.null-coalesce-op) today.


*found in the comments below (+1)*


Is there a better PHP way for getting default value by key from array (dictionary)?

I use some `UserControls` which get created and destroyed within my application during runtime (by creating and closing subwindows with these controls inside).  
It&#39;s a WPF UserControl and inherits from `System.Windows.Controls.UserControl`. There is no `Dispose()` method I could override.  
`PPMM` is a `Singleton` with the same lifetime as my application.  
Now in the constructor of my (WPF) `UserControl`, I add an event handler:

	public MyControl()
	{
		InitializeComponent();

		// hook up to an event
		PPMM.FactorChanged += new ppmmEventHandler(PPMM_FactorChanged);
	}

I got used to removing such event handler in the destructor:

	~MyControl()
	{
		// hook off of the event
		PPMM.FactorChanged -= new ppmmEventHandler(PPMM_FactorChanged);
	}

Today I stumbled upon this and wondered:

**1) Is this neccessary? Or does the GC take care of it?**

**2) Does this even work? Or would I have to store the newly created `ppmmEventHandler`?**

I&#39;m looking forward to your answers.

Do you need to remove an event handler in the destructor?

I am currently working on a project that is a spinoff (fork) from a framework I have been working on.

This project is intended to be pretty generic, but now I need to fork the codebase again for a client of mine.

At this moment, I have created a custom branch for my client, but I&#39;d rather have a standalone repository for this.

* **Is is possible to &#39;fork a fork&#39;?**
* **If not, what alternatives do I have?**

**Outline of the situation:**

* Framework repository (original)
 * Generic application repository (fork)
     * *(not yet)* Client repository (fork of application)

**Note:** when trying to  &#39;fork a fork&#39; in Github, you will receive a notification that you have already forked the project:

![Image showing a forked project cannot be forked again][1]


  [1]: http://i.stack.imgur.com/SzIop.png

Is it possible to &#39;fork a fork&#39; in Github?

I am currently working on a project that is a spinoff (fork) from a framework I have been working on.
This project is intended to be pretty generic, but now I need to fork the codebase again for a client of mine.
At this moment, I have created a custom branch for my client, but I'd rather have a standalone repository for this.
<ul>
<li>Is is possible to 'fork a fork'?</li>
<li>If not, what alternatives do I have?</li>
</ul>
Outline of the situation:
<ul>
<li>Framework repository (original)</li>
<li>Generic application repository (fork)
<ul>
<li>(not yet) Client repository (fork of application)</li>
</ul>
</li>
</ul>
Note: when trying to 'fork a fork' in Github, you will receive a notification that you have already forked the project:
<img src="http://i.stack.imgur.com/SzIop.png" alt="Image showing a forked project cannot be forked again">

I have executed the following command

    git add &lt;foo.java&gt;
    git commit -m &quot;add the foo.java file&quot;

How can I delete my local commit now and unstage foo.java?

If I type `git reset --hard`, I found that it reverts my modified `foo.java` to the original one.

How can I unstage my files again after making a local commit?

I have 2 Git servers that require 2 different SSH keys.

`git clone user1@server1:blahblahblah` uses `~/.ssh/id_rsa`, but I need to specify which key to use depending on the server I am connecting to.

What Git command-line parameter does this job? (I am running Linux.)

Select private key to use with Git

Is there any way to get how many times a git repository has been cloned or downloaded from github? 
I was just curious as I found other statistics such as commit times lines of codes cam be generated using: http://gitstats.sourceforge.net/ but I did not find how to check for clone/download count. 


Is there a way to get download/clone statistics of a git repository?

Git merge allow us to perform fast forward and no fast fast forward branch merging.  Any ideas when to use fast forward merge and when to use no fast forward merge?

Git fast forward VS no fast forward merge

I&#39;m selectively committing parts of a large file and I&#39;d like to see more context around each hunk. Is this possible?

Git: show more context when using git add -i or git add -e?

I need to pull in a specific pull request (that hasn&#39;t been processed into the main stream yet) in the NServiceBus repo:

https://github.com/johnsimons/NServiceBus/commit/d8524d53094e8181716e771c1023e968132abc15

It&#39;s obviously not my repo, but I need the changes that exist in that pull request.

What is the best way to do this?

How can I fetch an unmerged pull request for a branch I don&#39;t own?

I&#39;ve imported a GitHub project but how do I setup the project in my Eclipse project workspace?

Do I need to set the GitHub working directory(c:\users) to my Eclipse working directory(c:\Projects) prior to checking out the project ?


![enter image description here][1]


Edited : 

My working directory is now c:\users\projectname\\.git
So then I try to import the project using the eclipse &quot;import&quot; option. When I try to import selecting the option &quot;Use the new projects wizard&quot; the source code is not imported, if I import selecting the option &quot;Import as general project&quot; the source code is imported but the created project created by Eclipse is not a java project. When selecting the option &quot;Use the new projects wizard&quot; and creating a new java project using the wizard should&#39;nt the code be automatically imported ?

![enter image description here][2]


  [1]: http://i.stack.imgur.com/Hjc8R.png
  [2]: http://i.stack.imgur.com/4pxtY.png

Importing a GitHub project into Eclipse

What is the purpose of gist and how is it different from regular code sharing/maintaining using GitHub?

[![enter image description here][1]][1]


  [1]: https://i.stack.imgur.com/gTtGt.png

What is the difference between GitHub and gist?

I am wondering if there is a way to view a push date associated with each commit in the git log.  If that is not possible, is there a way to see all the commits under a certain push.

I writing a program that needs to keep track of the commits as they are pushed.  Because the git log is ordered by the commit date, not the push date, I am not able to see the most recent commits that are pushed. For example, if a user commits to his local repository 2 days before he pushes to the master, that commit will be placed behind 2 days of other commits in the master repository log.

Is there a way in git to obtain a push date for a given commit?

Everyone on our team uses IntelliJ IDEA, and we find it useful to put its project files (.ipr and .iml) into source control so that we can share build configurations, settings, and inspections. Plus, we can then use those inspection settings on our continuous integration server with TeamCity. (We have the per-user workspace .iws file in the .gitignore file and not in source control.)

However, those files change in little ways when you do just about anything in IDEA. There&#39;s an issue in IDEA&#39;s issue database for it ([IDEA-64312][1]), so perhaps one might consider this a bug in IDEA, but it&#39;s one we&#39;ll need to live with for the foreseeable future.

Up until recently, we were using Subversion, but we recently switched to Git. We had each just gotten used to having a change list of project files that we ignored and didn&#39;t check in unless there were project file changes that we wanted to share with others. But with Git, the real power seems to be (from what we&#39;re exploring) the continuous branching that it encourages, and switching between branches is a pain with the project files always having been modified. Often it can just merge in the changes somehow, and tries to deal with the project file changes now being applied to the new branch. However, if the new branch has changed project files (such as the branch is working on a new module that isn&#39;t in the other branches yet), git just throws an error that it doesn&#39;t make any sense to merge in the files when both the branch has changes and you have changes locally, and I can rather understand its point. From the command line, one can use &quot;-f&quot; on the &quot;git checkout&quot; command to force it to throw out the local changes and use the branch&#39;s instead, but (1) the Git Checkout GUI command in IDEA (10.5.1) doesn&#39;t seem to have that as an option that we can find, so we&#39;d need to switch to the command line on a regular basis, and (2) We&#39;re not sure we want to be in the habit of using that flag and telling Git to throw out our local changes.

So, here are some thoughts we have on options we have to deal with this:

 1. Take the project files out of source control entirely. Put them in the .gitignore, and distribute them to each person and TeamCity via some other means, maybe by putting them in source control somewhere else or under other names. Our team&#39;s small enough this option is feasible enough to consider, but it doesn&#39;t seem great.
 2. Continue living with it, trying to be sure to manage which files we have on which branches at a given time. As part of this, we might encourage each developer to have more than one copy of each project on their system, so they can have each checked out to a different branch with possibly different sets of project files.
 3. Try having just the project (.ipr) in source control, with the module (.iml) files not in source control and in the .gitignore file. The main thing that seems to switch around on its own in the .ipr on a regular basis is the order of the shared build configurations, but maybe we can just share the information separately on how to set those up. I&#39;m not quite sure how IDEA deals with this kind of thing of only having some of its files though, especially on a new checkout.

I guess I&#39;m hoping there&#39;s some obvious (or non-obvious) solution we&#39;ve missed, perhaps dealing with the huge customizability that Git and IDEA both seem to have. But it seems like we couldn&#39;t possibly be the only team having this problem. Questions that are kind of similar on Stack Overflow include [3495191][2], [1000512][3], and [3873872][4], but I don&#39;t know as they&#39;re exactly the same issue, and maybe someone can come up with the pros and cons for the various approaches I&#39;ve outlined, approaches listed in the answers to those questions, or approaches that they recommend.



  [1]: https://youtrack.jetbrains.com/issue/IDEA-64312
  [2]: https://stackoverflow.com/questions/3495181/need-a-strategy-to-put-intellij-idea-project-files-in-git
  [3]: https://stackoverflow.com/questions/1000512/merges-on-intellij-idea-ipr-and-iws-files
  [4]: https://stackoverflow.com/questions/3873872/best-practices-for-using-git-with-intellij-idea

How to deal with IntelliJ IDEA project files under Git source control constantly changing?

I accidentally added a lot of temporary files using `git add -A`

I managed to unstage the files using the following commands and managed to remove the dirty index. 

    git ls-files -z | xargs -0 rm -f
    git diff --name-only --diff-filter=D -z | xargs -0 git rm --cached

The above commands are listed in the `git help rm`. But sadly, my files were also deleted on execution, even though I had given cache option. How can I clear the index without losing the content?

Also it would be helpful if someone can explain the way this pipe operation works.

How to unstage large number of files without deleting the content

I&#39;d like to share Workspace Schemes that I&#39;ve created with the other team members. However they are all stored under  &lt;project name&gt;.xcodeproj &gt; xcuserdata &gt; &lt;my username&gt;.xcuserdatad &gt; xcschemes. I&#39;ve set xcuserdata folders to be ignore in SVN as I assumed all data in that folder were user specific.

Is there a way around this? i.e I don&#39;t want the schemes to be user specific. Or should I check the xcschemes folder in anyway. And if I do that will the other users be able to see and use my schemes?

Adding Xcode Workspace Schemes to Version Control

A [similar question][1] was already asked, but for Ubuntu.

It would help to know if the tool is free as in beer or as in liber.

Also, up and downs of the tool would be nice to know.


  [1]: https://stackoverflow.com/questions/137102/whats-the-best-visual-merge-tool-for-git

What&#39;s a good (free) visual merge tool for Git? (on windows)

The way all version control systems I&#39;m familiar with work is that each commit is attributed to a single developer. The rise of Agile Engineering, and specifically pair programming, has lead to a situation where two developers have made a significant contribution to the same task, a bug fix for example.

The issue of attribution won&#39;t be too much of a big deal in a work environment since the project manager will be aware of the work the pairs are doing, but what about if two open source contributors decide to pair up and push out some code to a particular project that has no idea they&#39;re working together. Is there any way for a version control system like Git to attribute a particular patch to multiple developers?

How to attribute a single commit to multiple developers?

Using Git, how could I search within all files in all local branches for a given string?

GitHub specific: is it possible to perform the above search across all GitHub branches? (There are several remote branches on my remote GitHub repository that ideally I wouldn&#39;t have to bring down for this search...)





Using Git, how could I search for a string across all branches?

&gt; **Possible Duplicate / a more recent/less clear question** &lt;br/&gt;
&gt; [Branch from a previous commit using Git](http://stackoverflow.com/questions/2816715/branch-from-a-previous-commit-using-git)

&lt;!-- End of automatically inserted text --&gt;

I have a Git branch called `jzbranch` and have an old commit id: `a9c146a09505837ec03b`.

How do I create a new branch, `justin`, from the information listed above?



How do I create a new Git branch from an old commit?

I have a local branch of a project (&quot;configUpdate&quot;) that I&#39;ve forked from somebody else&#39;s project and I&#39;ve done a load of changes on it and would like to merge the changes they&#39;ve made in to my local branch.

I&#39;ve tried 

    git pull --rebase origin configUpdate

but it hasn&#39;t grabbed the latest changes - how can I merge the two?  (also for bonus points what did I do with the `pull --rebase` command?)

How to merge remote master to local branch

I have 2 branches, which are not ready to be merged yet, but have some complementary logic, which I&#39;d like to review (before merging)

Can I check out multiple git branches of the same project? Is it possible?

Is it possible to view multiple git branches at the same time for the same project?

Is it possible to open a file in a git branch without checking out that branch? How?

Essentially I want to be able to open a file in my [github pages][1] branch without switching branches all the time. I don&#39;t want to modify it, just want to view it.


  [1]: http://pages.github.com/

Content Type	Original Author	Original Content on Stackoverflow
Question	Aron Rotteveel	View Question on Stackoverflow
Solution 1 - Git	Jigar	View Answer on Stackoverflow
Solution 2 - Git	Aron Rotteveel	View Answer on Stackoverflow
Solution 3 - Git	Koraktor	View Answer on Stackoverflow
Solution 4 - Git	user2352151	View Answer on Stackoverflow

Is it possible to 'fork a fork' in Github?

Git Problem Overview

Git Solutions

Solution 1 - Git

Solution 2 - Git

Solution 3 - Git

Solution 4 - Git

Do you need to remove an event handler in the destructor?

Is there a better PHP way for getting default value by key from array (dictionary)?

Attributions