大约有 40,000 项符合查询结果（耗时：0.0551秒） [XML]
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MySQL - force not to use cache for testing speed of query
I'm testing the speed of some queries in MySQL. The database is caching these queries making it difficult for me to get reliable results when testing how fast these queries are.
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What is a good pattern for using a Global Mutex in C#?
...e : IDisposable
{
//edit by user "jitbit" - renamed private fields to "_"
public bool _hasHandle = false;
Mutex _mutex;
private void InitMutex()
{
string appGuid = ((GuidAttribute)Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(GuidAttribute), false).GetValue(...
What is the documents directory (NSDocumentDirectory)?
...lowing tech note: https://developer.apple.com/library/ios/technotes/tn2406/_index.html
The Apple sanctioned way (from the link above) is as follows:
// Returns the URL to the application's Documents directory.
- (NSURL *)applicationDocumentsDirectory
{
return [[[NSFileManager defaultManager] U...
When do I use fabs and when is it sufficient to use std::abs?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
Sorting arrays in NumPy by column
How can I sort an array in NumPy by the nth column?
13 Answers
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CSS Selector “(A or B) and C”?
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Matt BallMatt Ball
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Javascript Cookie with no expiration date
...rowsers have problems with dates past 2038 (when unix epoch time exceeds a 32-bit int).
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How do I check if a SQL Server text column is empty?
...n't work :)
– GazB
Sep 20 '13 at 15:32
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Find out if ListView is scrolled to the bottom?
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– Duanniston Cardoso Cabral
Jul 24 '15 at 22:32
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