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Timer & TimerTask versus Thread + sleep in Java
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The advantage of TimerTask is that it expresses your intention much better (i.e. code readability), and it already has the cancel() feature implemented.
Note that it can be written in a shorter form as well as your own example:
Timer uploadCheckerTimer = new...
Does a `+` in a URL scheme/host/path represent a space?
...ed, but
any + characters in the path component is expected to be treated literally.
To be explicit: + is only a special character in the query component.
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Why does .NET foreach loop throw NullRefException when collection is null?
So I frequently run into this situation... where Do.Something(...) returns a null collection, like so:
11 Answers
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How do I use raw_input in Python 3
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Starting with Python 3, raw_input() was renamed to input().
From What’s New In Python 3.0, Builtins section second item.
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Safely casting long to int in Java
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A new method has been added with Java 8 to do just that.
import static java.lang.Math.toIntExact;
long foo = 10L;
int bar = toIntExact(foo);
Will throw an ArithmeticException in case of overflow.
See: Math.toIntExact(long)
Several other overflow...
What exactly is the meaning of an API? [closed]
I've searched for the definition of an API in a programming language and I am still finding it hard to understand.
13 Answe...
Hidden Features of Xcode
With a huge influx of newbies to Xcode, I'm sure there are lots of Xcode tips and tricks to be shared.
89 Answers
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AngularJS: How can I pass variables between controllers?
...re variables across multiple controllers is to create a service and inject it in any controller where you want to use it.
Simple service example:
angular.module('myApp', [])
.service('sharedProperties', function () {
var property = 'First';
return {
getProperty: fu...
How to set the margin or padding as percentage of height of parent container?
...ide another, and in the inner div, use something like top:50% (remember position matters if it still doesn't work)
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Immutable class?
How can one make a Java class immutable, what is the need of immutability and is there any advantage to using this?
13 Answ...