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How to recursively delete an entire directory with PowerShell 2.0?
... directory and all its subdirectories in PowerShell? I am using PowerShell V2 in Windows 7.
17 Answers
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How can I extend typed Arrays in Swift?
... Array is a generic type: Array<Element> (see swiftdoc.org/v2.1/type/Array), Element is a placeholder for the contained type. For example: var myArray = [Foo]() means that myArray will only contain type Foo. Foo in this case is "mapped" to the generic placeholder Element. If you want...
Regex to get string between curly braces
...
Try this:
/[^{\}]+(?=})/g
For example
Welcome to RegExr v2.1 by #{gskinner.com}, #{ssd.sd} hosted by Media Temple!
will return gskinner.com, ssd.sd.
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Find a Git branch containing changes to a given file
I have 57 local branches. I know I made a change to a certain file in one of them, but I'm not sure which one. Is there some kind of command I can run to find which branches contain changes to a certain file?
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What is the best way to convert an array to a hash in Ruby
...he constructor was expecting an Array of even length (e.g. ['k1','v1,'k2','v2']). What's worse is that a different Array which flattened to an even length would just silently give us a Hash with incorrect values.
If you want to use Array keys or values, you can use map:
h3 = Hash[a3.map {|key, va...
How should I use git diff for long lines?
...or word boundaries with --word-diff-regex. The default appears to be \S+. (v2.1.1)
– Michael
Oct 2 '14 at 20:55
3
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Mercurial: how to amend the last commit?
...t for hg commit --amend:
This also works from TortoiseHG's GUI (I'm using v2.5):
Swich to the 'Commit' view or, in the workbench view, select the 'working directory' entry.
The 'Commit' button has an option named 'Amend current revision' (click the button's drop-down arrow to find it).
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How to toggle a value in Python
...0
>>> x ^= 1
>>> x
1
The technique generalizes to any pair of integers. The xor-by-one step is replaced with a xor-by-precomputed-constant:
>>> A = 205
>>> B = -117
>>> t = A ^ B # precomputed toggle constant
>>> x = A
>>> x ^...
Using async-await on .net 4
... The KB2468871 was released in Jun 2011 (and 6 months later v2 was released), but it still may not be installed, so see how to check it in WiX - stackoverflow.com/a/9506530/968003.
– Alex Klaus
Jan 28 '15 at 1:39
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Pull request vs Merge request
...ry useful article explaining rebase in detail:
https://git-scm.com/book/en/v2/Git-Branching-Rebasing
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