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Why git can't do hard/soft resets by path?
...kout HEAD -- <path> does a hard reset for a path, replacing both the index and the working tree with the version from the HEAD commit.
– Dan Fabulich
Oct 5 '12 at 8:18
1
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sys.argv[1] meaning in script
...you can use this list of strings as input to your program. Since lists are indexed by zero-based integers, you can get the individual items using the list[0] syntax. For example, to get the script name:
script_name = sys.argv[0] # this will always work.
Although interesting, you rarely need to kn...
Why does the indexing start with zero in 'C'?
Why does the indexing in an array start with zero in C and not with 1?
16 Answers
16
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GestureDetector 手势检测拓展：旋转、缩放和滑动手势检测，自定义手势识别...
...t = join(pointerCount, " 根手指按下")
}
when MultiTouch1.PointerDown(index, x, y, pointerCount) {
画布1.DrawCircle(x, y, 20, true)
}
when MultiTouch1.TouchEnd() {
画布1.Clear()
}
RotationDetector 旋转检测
检测双指旋转手势，返回旋转角度（...
How to remove line breaks (no characters!) from the string?
...
You should be able to replace it with a preg that removes all newlines and carriage returns. The code is:
preg_replace( "/\r|\n/", "", $yourString );
Even though the \n characters are not appearing, if you are getting carriage returns there is an invisible character there. The pr...
is it possible to change values of the array when doing foreach in javascript?
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The callback is passed the element, the index, and the array itself.
arr.forEach(function(part, index, theArray) {
theArray[index] = "hello world";
});
edit — as noted in a comment, the .forEach() function can take a second argument, which will be used as th...
How do I show the changes which have been staged?
...just be:
git diff --cached
--cached means show the changes in the cache/index (i.e. staged changes) against the current HEAD. --staged is a synonym for --cached.
--staged and --cached does not point to HEAD, just difference with respect to HEAD. If you cherry pick what to commit using git add --...
Git stash uncached: how to put away all unstaged changes?
...d files you can add the -u flag
The full command becomes git stash --keep-index -u
And here's a snippet from the git-stash help
If the --keep-index option is used, all changes already added to the
index are left intact.
If the --include-untracked option is used, all untracked files are
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How do I purge a linux mail box with huge number of emails? [closed]
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You can simply delete the /var/mail/username file to delete all emails for a specific user. Also, emails that are outgoing but have not yet been sent will be stored in /var/spool/mqueue.
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Python module for converting PDF to text [closed]
...ke they changed LTTextItem to LTChar. unixuser.org/~euske/python/pdfminer/index.html#changes
– tgray
Jul 19 '10 at 13:17
2
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