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How to check if a file is a valid image file?
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answered May 20 '09 at 17:58
Brian R. BondyBrian R. Bondy
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What is the purpose of XORing a register with itself? [duplicate]
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Yes, it is more efficient.
The opcode is shorter than mov eax, 0, only 2 bytes, and the processor recognizes the special case and treats it as a mov eax, 0 without a false read dependency on eax, so the execution time is the same.
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What's the difference of strings within single or double quotes in groovy?
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2 Answers
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Why do people use __(double underscore) so much in C++
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127
From Programming in C++, Rules and Recommendations :
The use of two underscores (`__') in i...
When should use Readonly and Get only properties
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122
Creating a property with only a getter makes your property read-only for any code that is outsi...
How do I automatically update a timestamp in PostgreSQL
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203
To populate the column during insert, use a DEFAULT value:
CREATE TABLE users (
id serial n...
Get value from JToken that may not exist (best practices)
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214
This is pretty much what the generic method Value() is for. You get exactly the behavior you w...
What is this CSS selector? [class*=“span”]
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edited Apr 18 '15 at 18:29
answered Mar 23 '12 at 8:43
is...
Padding or margin value in pixels as integer using jQuery
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228
You should be able to use CSS (http://docs.jquery.com/CSS/css#name). You may have to be more s...