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How to extend an existing JavaScript array with another array, without creating a new array
There doesn't seem to be a way to extend an existing JavaScript array with another array, i.e. to emulate Python's extend method.
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iOS app, programmatically get build version
Is there a way to programmatically get the build version of my app? I need to be able to detect when the user has updated the app through the AppStore, in order to execute some code for adjustments
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Is there a standard keyboard shortcut to build the current project in Visual Studio?
I know that Ctrl + Shift + B launches a solution build, but I would like a shortcut that just builds the current project. Is a custom shortcut my only option?
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Why does `a == b or c or d` always evaluate to True?
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In many cases, Python looks and behaves like natural English, but this is one case where that abstraction fails. People can use context clues to determine that "Jon" and "Inbar" are objects joined to the verb "equals", but the Python interpreter is more lit...
p vs puts in Ruby
Is there any difference between p and puts in Ruby?
7 Answers
7
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Integrating the ZXing library directly into my Android application
I'm writing this in mere desperation :) I've been assigned to make a standalone barcode scanner (as a proof of concept) to an Android 1.6 phone.
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Why does Decimal.Divide(int, int) work, but not (int / int)?
How come dividing two 32 bit int numbers as ( int / int ) returns to me 0 , but if I use Decimal.Divide() I get the correct answer? I'm by no means a c# guy.
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Why doesn't Python have a sign function?
I can't understand why Python doesn't have a sign function. It has an abs builtin (which I consider sign 's sister), but no sign .
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Is there a printf converter to print in binary format?
I can print with printf as a hex or octal number. Is there a format tag to print as binary, or arbitrary base?
52 Answer...
How to select an element with 2 classes [duplicate]
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You can chain class selectors without a space between them:
.a.b {
color: #666;
}
Note that, if it matters to you, IE6 treats .a.b as .b, so in that browser both div.a.b and div.b will have gray text. See this answer for a comparison between proper browsers and I...