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What is the difference between `after_create` and `after_save` and when to use which?
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Timer & TimerTask versus Thread + sleep in Java
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edited Oct 4 '13 at 19:15
shreyas
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answered Sep 21 '09 a...
A Better Django Admin ManyToMany Field Widget
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answered Mar 22 '11 at 4:38
BlairBlair
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Large Numbers in Java
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153
You can use the BigInteger class for integers and BigDecimal for numbers with decimal digits. Bo...
How to Display Selected Item in Bootstrap Button Dropdown Title
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edited Mar 3 '14 at 6:23
answered Nov 18 '12 at 4:45
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Determine if $.ajax error is a timeout
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356
If your error event handler takes the three arguments (xmlhttprequest, textstatus, and message...
Count, size, length…too many choices in Ruby?
... an element or predicate and count only those items that match.
> [1,2,3].count{|x| x > 2 }
=> 1
In the case where you don't provide a parameter to count it has basically the same effect as calling length. There can be a performance difference though.
We can see from the source code f...
Signal handling with multiple threads in Linux
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35
This is slightly nuanced, based on which version of the Linux kernel you are using.
Assuming 2...
Zero-pad digits in string
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Gras Double
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answered Nov 27 '08 at 17:59
Konrad RudolphKonra...
JQuery to load Javascript file dynamically
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Paolo BergantinoPaolo Bergantino
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