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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...
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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Regex to get string between curly braces
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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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When to use thread pool in C#? [closed]
...onsiderations, I use thread pools for database access, physics/simulation, AI(games), and for scripted tasks ran on virtual machines that process lots of user defined tasks.
Normally a pool consists of 2 threads per processor (so likely 4 nowadays), however you can set up the amount of threads you ...
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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What is the fastest way to check if a class has a function defined?
I'm writing an AI state space search algorithm, and I have a generic class which can be used to quickly implement a search algorithm. A subclass would define the necessary operations, and the algorithm does the rest.
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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
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How to decide font color in white or black depending on background color?
...present a value in hexadecimal (base-16) notation. I won't get into the details of the conversion here, they're easy to look up.
Once you have the intensities for the individual colors, you can determine the overall intensity of the color and choose the corresponding text.
if (red*0.299 + green*0....