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Check if null Boolean is true results in exception
... great helper functions for all sorts of use-cases, including Booleans and Strings. I suggest you peruse the various Apache libraries and see what they already offer.
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How does Go compile so quickly?
...ed around the Go website, but I can't seem to find an explanation for Go's extraordinary build times. Are they products of the language features (or lack thereof), a highly optimized compiler, or something else? I'm not trying to promote Go; I'm just curious.
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MySQL indexes - what are the best practices?
...mpacts of indexing
UPDATEs and INSERTs will be slower. There's also the extra storage space requirments, but that's usual unimportant these days.
If i have a VARCHAR 2500 column which is searchable from parts of my site, should i index it
No, unless it's UNIQUE (which means it's already ind...
How to find the most recent file in a directory using .NET, and without looping?
...you want to search for a certain pattern you may use the following code:
string pattern = "*.txt";
var dirInfo = new DirectoryInfo(directory);
var file = (from f in dirInfo.GetFiles(pattern) orderby f.LastWriteTime descending select f).First();
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How to develop or migrate apps for iPhone 5 screen resolution?
...g masks will work if you need different graphics.
-(id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
NSString *myNibName;
if ([MyDeviceInfoUtility isiPhone5]) myNibName = @"MyNibIP5";
else myNibName = @"MyNib";
if ((self = [super initWithNibName:myNibN...
How to set custom favicon in Express?
...e path stuff and namely that path.join(__dirname, "public") results in the strings concatenated without a separator? The smaller the sample the quicker we can fix this (so if you can please just the join part).
– Benjamin Gruenbaum
Aug 1 '16 at 12:56
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How to generate XML file dynamically using PHP?
...ieve, SimpleXMLElement will do the right thing: converting all the queried string values to your mb_internal_encoding.
– Ivan Krechetov
Jan 29 '13 at 9:07
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How to move out of auto-completed brackets in IntelliJ IDEA (without using the arrow keys)?
...ng parenthesis), and it will move your cursor outside of the parenthesis.
String asdf = "hello world";
System.out.println(asdf);
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Cannot refer to a non-final variable inside an inner class defined in a different method
...access the variables.
@Ankur: You could do this:
public static void main(String args[]) {
int period = 2000;
int delay = 2000;
Timer timer = new Timer();
timer.scheduleAtFixedRate(new TimerTask() {
// Variables as member variables instead of local variables in main()
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How to scale a UIImageView proportionally?
...ound on the Apple Dev forums.
In a project-wide .h -
@interface UIImage (Extras)
- (UIImage *)imageByScalingProportionallyToSize:(CGSize)targetSize;
@end;
Implementation:
@implementation UIImage (Extras)
- (UIImage *)imageByScalingProportionallyToSize:(CGSize)targetSize {
UIImage *sourceI...