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Simple logical operators in Bash
...ssions with more quirks (but older and more portable). Don't write any for now; start worrying about them when you find scripts that contain them.
This is the idiomatic way to write your test in bash:
if [[ $varA == 1 && ($varB == "t1" || $varC == "t2") ]]; then
If you need portability ...
Calculate the median of a billion numbers
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Ah, my brain has just kicked into gear, I have a sensible suggestion now. Probably too late if this had been an interview, but never mind:
Machine 1 shall be called the "control machine", and for the sake of argument either it starts with all the data, and sends it in equal parcels to the oth...
How can I change image tintColor in iOS and WatchKit
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Perfect, now i use this method based in your code: + (UIImageView ) tintImageView: (UIImageView *)imageView withColor: (UIColor) color{ imageView.image = [imageView.image imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate]...
JavaScript regex multiline flag doesn't work
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You are looking for the /.../s modifier, also known as the dotall modifier. It forces the dot . to also match newlines, which it does not do by default.
The bad news is that it does not exist in JavaScript (it does as of ES2018, see below). The good news is that you can ...
Are Databases and Functional Programming at odds?
I've been a web developer for some time now, and have recently started learning some functional programming. Like others, I've had some significant trouble apply many of these concepts to my professional work. For me, the primary reason for this is I see a conflict between between FP's goal of rem...
Populate a Razor Section From a Partial
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@JohnBubriski There is in Razor 2. Don't know about prev. versions.
– Shimmy Weitzhandler
Nov 26 '12 at 10:18
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Run a single Maven plugin execution?
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This answer is now outdated with current versions of Maven. See the answer provided by @Joe
– Noremac
Sep 2 '15 at 15:51
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.bashrc/.profile is not loaded on new tmux session (or window) — why?
...put source ~/.bashrc or source ~/.profile
Restart tmux.
The issue should now be fixed.
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Visual Studio 2010 annoyingly opens documents in wrong MDI pane
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OK so now a couple of months later I no longer seem to have this problem. So props to Josh! If anyone else experiences this same issue then I would suggest trying the above.
– Mike Chamberlain
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How to swap keys and values in a hash
... out[value] << key
end
end
end
Note: This code with tests is now on GitHub.
Or:
class Hash
def safe_invert
self.each_with_object({}){|(k,v),o|(o[v]||=[])<<k}
end
end
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