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How many threads is too many?
... into a separate thread when the request is received. I do this because almost every request makes a database query. I am using a threadpool library to cut down on construction/destruction of threads.
...
How do I auto size a UIScrollView to fit its content
...
The best method I've ever come across to update the content size of a UIScrollView based on its contained subviews:
Objective-C
CGRect contentRect = CGRectZero;
for (UIView *view in self.scrollView.subviews) {
contentRect = CGRectUnion(contentRect,...
Default behavior of “git push” without a branch specified
...nd no refspec is implied by any of the options given on the command line. Possible values are:
nothing: do not push anything
matching: push all matching branches
All branches having the same name in both ends are considered to be matching.
This used to be the default, but not since Git 2.0 (simp...
How do you use String.substringWithRange? (or, how do Ranges work in Swift?)
...er here? Calling advance means we have to iterate the whole way through a possibly long string. But forming an NSRange and using NSString explicitly is dangerous? What's left?
– matt
Nov 18 '14 at 18:45
...
Read and write a String from text file
...prints the content of data.txt
Update:
For reading a file from Bundle (iOS) you can use:
let path = NSBundle.mainBundle().pathForResource("FileName", ofType: "txt")
var text = String(contentsOfFile: path!, encoding: NSUTF8StringEncoding, error: nil)!
println(text)
Update for Swift 3:
let path...
How do I measure time elapsed in Java? [duplicate]
...
Unfortunately, none of the ten answers posted so far are quite right.
If you are measuring elapsed time, and you want it to be correct, you must use System.nanoTime(). You cannot use System.currentTimeMillis(), unless you don't mind your result being wrong.
The ...
Delete/Reset all entries in Core Data?
...d safe, and can certainly be done programatically at runtime.
Update for iOS5+
With the introduction of external binary storage (allowsExternalBinaryDataStorage or Store in External Record File) in iOS 5 and OS X 10.7, simply deleting files pointed by storeURLs is not enough. You'll leave the exte...
How can I resize an image using Java?
...aledBI.createGraphics();
if (preserveAlpha) {
g.setComposite(AlphaComposite.Src);
}
g.drawImage(originalImage, 0, 0, scaledWidth, scaledHeight, null);
g.dispose();
return scaledBI;
}
...
Java: Date from unix timestamp
...legacy and java.time classes, it is best to stick with java.time whenever possible.
– Basil Bourque
Feb 7 '17 at 23:32
...
Check if a JavaScript string is a URL
...(#[-a-zd_]*)?$/: Invalid group Google Chrome (Version 30.0.1599.101) (Mac OS X: 10.8.5)
– dr.dimitru
Oct 19 '13 at 13:37
10
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