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Determine font color based on background color

...s have a higher value, what seems more natural to me and is also the 'default' calculation method. I used the same constants as GaceK from here since they worked great for me. (You can also implement this as an Extension Method using the following signature: public static Color ContrastColor(this...
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Printing Java Collections Nicely (toString Doesn't Return Pretty Output)

I wish to print a Stack<Integer> object as nicely as the Eclipse debugger does (i.e. [1,2,3...] ) but printing it with out = "output:" + stack doesn't return this nice result. ...
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How can I return NULL from a generic method in C#?

... Two options: Return default(T) which means you'll return null if T is a reference type (or a nullable value type), 0 for int, '\0' for char, etc. (Default values table (C# Reference)) Restrict T to be a reference type with the where T : class constra...
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Xcode changes unmodified storyboard and XIB files

Storyboards are rather a royal pain from a git workflow perspective when multiple people are collaborating on them. For example, the XML in the .storyboard file has its starting <document> tag's toolsVersion and systemVersion attributes altered by whatever configuration the most recent f...
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What is the proper way to re-throw an exception in C#? [duplicate]

...n, else you'll stomp the stack trace: throw; If you print the trace resulting from "throw ex", you'll see that it ends on that statement and not at the real source of the exception. Basically, it should be deemed a criminal offense to use "throw ex". ...
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Remove NA values from a vector

...ying ?max, you'll see that it actually has a na.rm = argument, set by default to FALSE. (That's the common default for many other R functions, including sum(), mean(), etc.) Setting na.rm=TRUE does just what you're asking for: d <- c(1, 100, NA, 10) max(d, na.rm=TRUE) If you do want to remo...
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MySQL “between” clause not inclusive?

... While this works, you'll get better performance by using >= and < instead of between. – David Harkness Mar 20 '12 at 0:42 113 ...
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Converting string to numeric [duplicate]

...xample is always preferable. For example, I can't run the command pichman <- read.csv(file="picman.txt", header=TRUE, sep="/t") since I don't have access to the data set. share | improve this an...
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How to migrate/convert from SVN to Mercurial (hg) on windows

...iseHG installed as well as the CollabNet Subversion Command-Line Client. <Enable Convert Extension w/ Tortoise Hg 2> Many thanks to bgever for pointing out in the comments that with TortoiseHg 2.0, enabling the convert extension is easier than ever. As he says With TortoiseHG 2.0 this h...
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Custom sort function in ng-repeat

... Actually the orderBy filter can take as a parameter not only a string but also a function. From the orderBy documentation: https://docs.angularjs.org/api/ng/filter/orderBy): function: Getter function. The result of this function will be sorted...