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127 Return code from $?
...her words, the system doesn't understand your command, because it doesn't know where to find the binary you're trying to call.
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Binding multiple events to a listener (without JQuery)?
...ng the same listener for multiple events on the one element is more common now to cover the various interface types in use, and Isaac's answer offers a good use of built–in methods to reduce the code (though less code is, of itself, not necessarily a bonus). Extended with ECMAScript 2015 arrow fun...
Simpler way to create dictionary of separate variables?
...uld like to be able to get the name of a variable as a string but I don't know if Python has that much introspection capabilities. Something like:
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Why is “copy and paste” of code dangerous? [closed]
...nge you ever need to make in the code (not just bugfixes, any change) will now be twice as expensive to do because you have to update two places - and more risky because you WILL forget one of them eventually. In other words, making it work faster now will make your work even slower in the future, w...
Best way to give a variable a default value (simulate Perl ||, ||= )
... = $bar ?: $baz;
Which assigns $bar if it's not an empty value (I don't know how this would be different in PHP from Perl), otherwise $baz, and is the same as this in Perl and older versions of PHP:
$foo = $bar ? $bar : $baz;
But PHP does not have a compound assignment operator for this (that i...
Can my enums have friendly names? [duplicate]
...ilure!!";
}
}
}
With this Extension Method, the following is now legal:
Console.WriteLine(MyEnum.First.EnumValue());
Hope this helps!!
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Random strings in Python
... Neat! I'm actually using this for a random password generator now! Thanks!
– chandsie
Apr 15 '11 at 0:45
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R and version control for the solo data analyst
...e this applies to you, but it would have made our clients very nervous to know that every version of every script that we had ever produced was potentially discoverable. We used version control for code modules that were reused in multiple engagements, but did not use version control for engagement...
Create table in SQLite only if it doesn't exist already
...)[0] ==1 :
print('Table exists. I can do my custom stuff here now.... ')
pass
else:
# then table doesn't exist.
custRET = myCustFunc(foo,bar) # replace this with your custom logic
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NSString tokenize in Objective-C
...ks, but how to split a NSString that is separated by more tokens? (If you know what I mean, my English is not very good) @Adam
– 11684
Apr 9 '12 at 11:53
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