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How do I check if a string is a number (float)?
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Which, not only is ugly and slow
I'd dispute both.
A regex or other string parsing method would be uglier and slower.
I'm not sure that anything much could be faster than the above. It calls the function and returns. Try/Catch doesn't introd...
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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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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“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...
Extracting text from HTML file using Python
...ssentially the same output I would get if I copied the text from a browser and pasted it into notepad.
32 Answers
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Splitting a string into chunks of a certain size
...e));
}
Please note that additional code might be required to gracefully handle edge cases (null or empty input string, chunkSize == 0, input string length not divisible by chunkSize, etc.). The original question doesn't specify any requirements for these edge cases and in real life the requirement...
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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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...
List or IList [closed]
...'t change.
If you are just using it internally, you may not care so much, and using List<T> may be ok.
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What is the preferred/idiomatic way to insert into a map?
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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 ...