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Why does “split” on an empty string return a non-empty array?
... reason ",,,".split(",") returns empty array.
According to this, the result of "".split(",") should be an empty array because of the second step, right?
It should. Unfortunately, this is an artificially introduced corner case. And that is bad, but at least it is documented in java.util.regex.Patt...
jQuery document.ready vs self calling anonymous function
... "constructed". Self-invoking functions runs instantly - if inserted into <head>, before DOM is constructed.
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Difference between Static and final?
...y subclasses. This is used to prevent unexpected behavior from a subclass altering a method that may be crucial to the function or consistency of the class.
A final variable can only be initialized once, either via an initializer or an assignment statement. It does not need to be initialized at th...
UIScrollView scroll to bottom programmatically
...t - scrollView.bounds.size.height > 0 otherwise you will have wierd results
– iluvatar_GR
May 25 '16 at 11:41
3
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How do I get a value of datetime.today() in Python that is “timezone aware”?
...t. Many things go wrong when using timezone based datetime: a simple timedelta does not take daylight saving into account unless you are in UTC time to begin with. Always use timezone aware based on UTC. convert to local timezone on output when needed.
– MrE
Se...
Is it possible to send an array with the Postman Chrome extension?
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By adding multiple keys with same name, the server will receive the last one only
– evilReiko
Sep 10 '17 at 8:47
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How can I make a UITextField move up when the keyboard is present - on starting to edit?
... [self setViewMovedUp:YES];
}
else if (self.view.frame.origin.y < 0)
{
[self setViewMovedUp:NO];
}
}
-(void)keyboardWillHide {
if (self.view.frame.origin.y >= 0)
{
[self setViewMovedUp:YES];
}
else if (self.view.frame.origin.y < 0)
{
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Determine device (iPhone, iPod Touch) with iOS
...String *deviceType = [UIDevice currentDevice].model;
if([deviceType isEqualToString:@"iPhone"])
// it's an iPhone
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When does Java's Thread.sleep throw InterruptedException?
...hrow InterruptedException? Is it safe to ignore it? I am not doing any multithreading. I just want to wait for a few seconds before retrying some operation.
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How to start nginx via different port(other than 80)
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You have to go to the /etc/nginx/sites-enabled/ and if this is the default configuration, then there should be a file by name: default.
Edit that file by defining your desired port; in the snippet below, we are serving the Nginx instance on port 81.
server {
listen 81;
}
To start the serv...