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How to throw a C++ exception
...xception objects you can throw. Keep in mind that you should always throw by value and catch by reference:
try {
compare( -1, 3 );
}
catch( const std::invalid_argument& e ) {
// do stuff with exception...
}
You can have multiple catch() statements after each try, so you can handle d...
Why does parseInt yield NaN with Array#map?
...rseInt(e, { radix: 2 }))
);
lodash/fp caps iteratee arguments to 1 by default to avoid these gotchas. Personally I have found these workarounds to create as many bugs as they avoid. Blacklisting parseInt in favor of a safer implementation is, I think, a better approach.
...
Does Ruby have a string.startswith(“abc”) built in method?
Does Ruby have a some_string.starts_with("abc") method that's built in?
4 Answers
4
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Comparing arrays in JUnit assertions, concise built-in way?
..., built-in way to do equals assertions on two like-typed arrays in JUnit? By default (at least in JUnit 4) it seems to do an instance compare on the array object itself.
...
Prompt for user input in PowerShell
...opServices.Marshal]::SecureStringToBSTR($pass))
As for the type returned by $host.UI.Prompt(), if you run the code at the link posted in @Christian's comment, you can find out the return type by piping it to Get-Member (for example, $results | gm). The result is a Dictionary where the key is the n...
How to determine device screen size category (small, normal, large, xlarge) using code?
...alues that will be inlined at compile time (that is, they will be replaced by their actual values), so your code won't break on older versions of the platform.
– Karakuri
Dec 26 '12 at 17:14
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Why does String.valueOf(null) throw a NullPointerException?
...a char[]. Therefore, char[] is more specific than Object, and as specified by the Java language, the String.valueOf(char[]) overload is chosen in this case.
String.valueOf(char[]) expects the array to be non-null, and since null is given in this case, it then throws NullPointerException.
The easy ...
Actual meaning of 'shell=True' in subprocess
...to a list of files. On Windows, a file glob (e.g., "*.*") is not expanded by the shell, anyway (but environment variables on a command line are expanded by cmd.exe).
If you think you want environment variable expansions and file globs, research the ILS attacks of 1992-ish on network services which...
Emulate ggplot2 default color palette
...red Nov 19 '11 at 22:04
John ColbyJohn Colby
20.3k33 gold badges5151 silver badges6767 bronze badges
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Visual Studio 2010 annoyingly opens documents in wrong MDI pane
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Problem still occurs in VS2013 and can be solved by doing the steps above. Great!
– Andreas
Oct 23 '15 at 7:28
5
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