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Rails: Adding an index after adding column
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answered Apr 8 '13 at 14:31
Jaap HaagmansJaap Haagmans
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How to generate gcc debug symbol outside the build target?
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lotharlothar
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Sorting related items in a Django template
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4 Answers
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Calendar.getInstance(TimeZone.getTimeZone(“UTC”)) is not returning UTC time
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148
The System.out.println(cal_Two.getTime()) invocation returns a Date from getTime(). It is the D...
Can you make just part of a regex case-insensitive?
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answered Sep 4 '08 at 12:35
EspoEspo
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Does const mean thread-safe in C++11?
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This is what the Standard Language has to say on thread-safety:
[1.10/4]
Two expression evaluations conflict if one of them modifies a memory location (1.7) and the other one accesses or modifies the same memory location.
[1.10/21]
The execution of a program contains a data race if it contains ...
Best way to create an empty map in Java
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243
1) If the Map can be immutable:
Collections.emptyMap()
// or, in some cases:
Collections.<...
Why is LINQ JOIN so much faster than linking with WHERE?
...Where condition is evaluated for each combination of rows (n1 * n2 * n3 * n4)
The Join operator takes the rows from the first tables, then takes only the rows with a matching key from the second table, then only the rows with a matching key from the third table, and so on. This is much more efficien...
Prevent wrapping of span or div
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edited Jul 16 '15 at 18:45
Eric
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answered Mar 2...