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jQuery’s .bind() vs. .on()
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Internally, .bind maps directly to .on in the current version of jQuery. (The same goes for .live.) So there is a tiny but practically insignificant performance hit if you use .bind instead.
However, .bind may be removed from futu...
Bare asterisk in function arguments?
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Bare * is used to force the caller to use named arguments - so you cannot define a function with * as an argument when you have no following keyword arguments.
See this answer or Python 3 documentation for more details.
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View the Task's activity stack
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is there a nice way to show all of the tasks&activities stack of the current app via logcat? do we really need to parse the adb command ?
– android developer
Feb 13 '12 at 6:36
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Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)
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In the comments, I mentioned a step-by-step method to easily install multiple Chrome versions, side-by-side. This answer quotes my original answer, and includes a script which does the job for you.
Quoted from: section 7 of Cross-browser testing: All major browsers on ONE machine:
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How to upgrade Eclipse for Java EE Developers?
Is there any non-painful way to upgrade an Eclipse installation? I have tried browsing the eclipse site but I cannot find an useful description.
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Hibernate, @SequenceGenerator and allocationSize
We all know the default behaviour of Hibernate when using @SequenceGenerator - it increases real database sequence by one , multiple this value by 50 (default allocationSize value) - and then uses this value as entity ID.
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Processing Symbol Files in Xcode
I was wondering if anyone could tell me what Xcode is actually doing when it says: "Processing Symbol Files" after plugging in your device?
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How to select multiple rows filled with constants?
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SELECT 1, 2, 3
UNION ALL SELECT 4, 5, 6
UNION ALL SELECT 7, 8, 9
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Stored procedure slow when called from web, fast from Management Studio
I have stored procedure that insanely times out every single time it's called from the web application.
7 Answers
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What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?
... NULL is less efficient
In PostgreSQL, NOT IN is less efficient
In Oracle, all three methods are the same.
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