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Test if something is not undefined in JavaScript
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11 Answers
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How to automatically generate a stacktrace when my program crashes
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521
For Linux and I believe Mac OS X, if you're using gcc, or any compiler that uses glibc, you can ...
MongoDB inserts float when trying to insert integer
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answered Nov 21 '11 at 21:20
Bernie HackettBernie Hackett
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Multidimensional Array [][] vs [,] [duplicate]
What's their difference? (1) yields an error, what's the reason?
5 Answers
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Use tab to indent in textarea
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121
Borrowing heavily from other answers for similar questions (posted below)...
$(document).dele...
Ruby on Rails: How do you add add zeros in front of a number if it's under 10?
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142
Did you mean sprintf '%02d', n?
irb(main):003:0> sprintf '%02d', 1
=> "01"
irb(main):00...
Get event listeners attached to node using addEventListener
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140
Chrome DevTools, Safari Inspector and Firebug support getEventListeners(node).
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Iterate through the fields of a struct in Go
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126
After you've retrieved the reflect.Value of the field by using Field(i) you can get a
interfac...
How do I create an array of strings in C?
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14 Answers
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Rounding float in Ruby
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182
When displaying, you can use (for example)
>> '%.2f' % 2.3465
=> "2.35"
If you wan...