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String formatting: % vs. .format vs. string literal
... not use it?
not knowing about it (me before reading this)
having to be compatible with Python 2.5
To answer your second question, string formatting happens at the same time as any other operation - when the string formatting expression is evaluated. And Python, not being a lazy language, eva...
How to create a listbox in HTML without allowing multiple selection?
...=6 with the number of elements you want
you may want to check this site
http://www.htmlcodetutorial.com/forms/_SELECT.html
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When NOT to use yield (return) [duplicate]
... in stack space.
Further reading: see Wes Dyer's article on the subject:
http://blogs.msdn.com/b/wesdyer/archive/2007/03/23/all-about-iterators.aspx
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Always pass weak reference of self into block in ARC?
...XAMPLE:
__weak MyObject *weakSelf = self;
[[SomeOtherObject alloc] initWithCompletion:^{
//By the time this gets called, "weakSelf" might be nil because it's not retained!
[weakSelf doSomething];
}];
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Find nearest latitude/longitude with an SQL query
... in meters ? (which is currently in miles, right?)
– httpete
Nov 28 '12 at 20:42
8
What measureme...
viewWillDisappear: Determine whether view controller is being popped or is showing a sub-view contro
... edited Oct 16 '15 at 13:48
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answered Nov 29 '09 at 20:36
Bryan HenryBryan He...
How to disable back swipe gesture in UINavigationController on iOS 7
... Or, you can implement UIGestureRecognizerDelegate protocol with your more complex logic and set it as recognizer.delegate property.
– ArtFeel
Nov 25 '13 at 12:25
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Fixing JavaScript Array functions in Internet Explorer (indexOf, forEach, etc.) [closed]
...pporting this you can use the following 'shim' that extends 3'rd into 5'th
http://github.com/kriskowal/narwhal-lib/blob/narwhal-lib/lib/global-es5.js.
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How can I change the image displayed in a UIImageView programmatically?
...e alloc] initWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:@"http://farm4.static.flickr.com/3092/2915896504_a88b69c9de.jpg"]]];
or
UIImage *image = [UIImage imageNamed: @"cell.png"];
Once you have an Image you can then set UIImageView:
[imageView setImage:image];
The line above...
Do HTML WebSockets maintain an open connection for each client? Does this scale?
...ange those clients into WebSockets clients and it just might be feasible.
HTTP connections, while they don't create open files or consume port numbers for a long period, are more expensive in just about every other way:
Each HTTP connection carries a lot of baggage that isn't used most of the tim...