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How can jQuery deferred be used?
... supplied by a Deferred is well worth it, and in actual (user driven event based) usage the performance impact should not be noticeable.
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What is a “Bitmap heap scan” in a query plan?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Why does [5,6,8,7][1,2] = 8 in JavaScript?
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SQL set values of one column equal to values of another column in the same table
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Why is there no tuple comprehension in Python?
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Note: tuple of listcomp requires a peak memory usage based on the combined size of the final tuple and list. tuple of a genexpr, while slower, does mean you only pay for the final tuple, no temporary list (the genexpr itself occupying roughly fixed memory). Usually not meaningf...
Pretty printing XML with javascript
...refox. It only seems to work in chrome, opera and probably the rest webkit-based browsers.
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Long-held, incorrect programming assumptions [closed]
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I think this commonly-held but wrong idea is based on a misunderstanding. When you exit a function, you should always return to the same point. That was an important rule in languages like BASIC that didn't enforce it: The rule meant, for instance, that you should use...
What is the use of hashCode in Java?
...take care of it in most cases. Because when your object is put into a hash based container(HashSet, HashMap...), the container puts/gets the element's hashcode.
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Compare dates in MySQL
I want to compare a date from a database that is between 2 given dates.
The column from the database is DATETIME, and I want to compare it only to the date format, not the datetime format.
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TextView bold via xml file?
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