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What is the preferred/idiomatic way to insert into a map?

... First of all, operator[] and insert member functions are not functionally equivalent : The operator[] will search for the key, insert a default constructed value if not found, and return a reference to which you assign a value. Obviously, this can ...
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Logical operator in a handlebars.js {{#if}} conditional

Is there a way in handlebars JS to incorporate logical operators into the standard handlebars.js conditional operator? Something like this: ...
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“Unknown class in Interface Builder file” error at runtime

...ode tries to load such a class, it can't find the code associated with it, and prints the warning. By default, Objective-C targets will have -all_load -ObjC flags set by default, which will keep all of the symbols. But I had started with a C++ target, and didn't have that. Nevertheless, I found a...
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Vertically align text to top within a UILabel

...y labels orange so you can see clearly what's happening. Here's the quick and easy way to do this: [myLabel sizeToFit]; If you have a label with longer text that will make more than one line, set numberOfLines to 0 (zero here means an unlimited number of lines). myLabel.numberOfLine...
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Volley Android Networking Library

... $ git clone https://android.googlesource.com/platform/frameworks/volley $ cd volley $ android update project -p . $ ant jar Then, copy bin/volley.jar into your libs/ folder and off you go! source ...
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How do I use reflection to call a generic method?

...rs public instance methods by default, so you may need BindingFlags.Static and/or BindingFlags.NonPublic. – user565869 Dec 16 '11 at 22:32 20 ...
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INSTALL_FAILED_NO_MATCHING_ABIS when install apk

I tried to install my app into Android L Preview Intel Atom Virtual Device, it failed with error: 24 Answers ...
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Difference between filter and filter_by in SQLAlchemy

Could anyone explain the difference between filter and filter_by functions in SQLAlchemy? Which one should I be using? ...
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Does Go provide REPL?

... for a programmer. However, it seems Go does not provide it. Is my understanding correct? 12 Answers ...
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python assert with and without parenthesis

...through a full interpreter, not through IDLE. Because assert is a keyword and not a function, you are actually passing in a tuple as the first argument and leaving off the second argument. Recall that non-empty tuples evaluate to True, and since the assertion message is optional, you've essentiall...