大约有 40,000 项符合查询结果（耗时：0.0508秒） [XML]
Does the join order matter in SQL?
Disregarding performance, will I get the same result from query A and B below? How about C and D?
4 Answers
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Getting the name of the currently executing method
...s caveat in mind):
/**
* Get the method name for a depth in call stack. <br />
* Utility function
* @param depth depth in the call stack (0 means current method, 1 means call method, ...)
* @return method name
*/
public static String getMethodName(final int depth)
{
final StackTraceEle...
Having a UITextField in a UITableViewCell
... cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault
reuseIdentifier:kCellIdentifier] autorelease];
cell.accessoryType = UITableViewCellAccessoryNone;
if ([indexPath section] == 0) {
UITextField *playerTextField = [[UIText...
Disabling implicit animations in -[CALayer setNeedsDisplayInRect:]
...OL disableImplicitAnimations;
@end
@implementation MyLayerDelegate
- (id<CAAction>)actionForLayer:(CALayer *)layer forKey:(NSString *)event
{
if (self.disableImplicitAnimations)
return (id)[NSNull null]; // disable all implicit animations
else return nil; // allow implicit a...
How to shrink the .git folder
...e read it, and linus points out, that --aggressive will not reuse (good) deltas – which seem to no exist in this question, because the repository is huge. going the repack way will actually take a lot longer. git gc --aggressive calls repack with a window size of 250 (cf. manpage) and a depth of 2...
Garbage collector in Android
...t died with a OutOfMemoryError.
This helped me.
In the Manifest.xml
Add
<application
....
android:largeHeap="true">
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How to use split?
...else"
If this value is in some field you could also do:
tRow.append($('<td>').text($('[id$=txtEntry2]').val().split(' -- ')[0])));
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f...
Java RegEx meta character (.) and ordinary dot?
...xample \_ will cause an error in .NET.
Some others will lead to false results, for example \< is interpreted as a literal < in Perl, but in egrep it means "word boundary".
So write -?\d+\.\d+\$ to match 1.50$, -2.00$ etc. and [(){}[\]] for a character class that matches all kinds of brackets...
Is there a way to reduce the size of the git folder?
...ING The command as written above by @Kalle will remove EVERY >UNTRACKED< FILE AND DIRECTORY WITHIN YOUR GIT ROOT, not just "files listed in .gitignore". Anything that is not being tracked by Git, regardless of whether or not it is listed in .gitignore will be wiped. git clean -dfX (note the ca...
Accessing Imap in C# [closed]
Is there a built-in method to access an Imap server (with SSL) in C# or is there a good free library?
6 Answers
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