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jQuery: checking if the value of a field is null (empty)
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answered May 20 '15 at 19:52
Allan Felipe MuraraAllan Felipe Murara
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Why does the JVM still not support tail-call optimization?
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edited Jul 29 '15 at 12:53
tar
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answered Sep 10 '10 ...
What's “requestCode” used for on PendingIntent?
...tically.
– Someone Somewhere
Aug 3 '15 at 19:27
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show 13 more comments
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Do I need to store the salt with bcrypt?
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ircmaxell
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answered Nov 10 '08 at 4:33
Greg Hewgill...
Why use Object.prototype.hasOwnProperty.call(myObj, prop) instead of myObj.hasOwnProperty(prop)?
...e it did support it.
– alex
May 22 '15 at 1:52
ES6 shortcut if used often. const hasProp = (obj, prop) => Object.pr...
Using Moq to mock an asynchronous method for a unit test
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answered Dec 31 '13 at 15:47
Jon SkeetJon Skeet
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What does the constant 0.0039215689 represent?
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0.0039215689 is approximately equal to 1/255.
Seeing that this is OpenGL, performance is probably important. So it's probably safe to guess that this was done for performance reasons.
Multiplying by the reciprocal is faster than r...
Get underlying NSData from UIImage
...ation object.
– King-Wizard
Mar 18 '15 at 9:46
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Index on multiple columns in Ruby on Rails
... As mentioned in the comments above and stackoverflow.com/a/1449466/5157706 and stackoverflow.com/a/22816105/5157706, consider adding unique index on the database as well.
– Akash Agarwal
Jan 27 '18 at 6:38
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Python Threading String Arguments
...t 6 characters
– harmonickey
May 9 '15 at 1:57
If you have arg2 with default value, do this. threading.Thread(target=t...