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How can a Java program get its own process ID?
...no platform-independent way that can be guaranteed to work in all jvm implementations.
ManagementFactory.getRuntimeMXBean().getName() looks like the best (closest) solution, and typically includes the PID. It's short, and probably works in every implementation in wide use.
On linux+windows it return...
List comprehension in Ruby
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If you really want to, you can create an Array#comprehend method like this:
class Array
def comprehend(&block)
return self if block.nil?
self.collect(&block).compact
end
end
some_array = [1, 2, 3, 4, 5, 6]
new_array = some_array.comprehend {|x| x * 3 if x % 2 =...
How to replace a set of tokens in a Java String?
I have the following template String: "Hello [Name] Please find attached [Invoice Number] which is due on [Due Date]" .
15...
How do I rename the extension for a bunch of files?
In a directory, I have a bunch of *.html files. I'd like to rename them all to *.txt
24 Answers
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Use jQuery to hide a DIV when the user clicks outside of it
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Had the same problem, came up with this easy solution. It's even working recursive:
$(document).mouseup(function(e)
{
var container = $("YOUR CONTAINER SELECTOR");
// if the target of the click isn't the container nor a desc...
Mocking python function based on input arguments
... calls to the mock return. The side_effect function is called with
the same arguments as the mock. This allows you to vary the return
value of the call dynamically, based on the input:
>>> def side_effect(value):
... return value + 1
...
>>> m = MagicMock(side_effect=side_...
How can I use Timer (formerly NSTimer) in Swift?
...() {
super.viewDidLoad()
// Swift block syntax (iOS 10+)
let timer = Timer(timeInterval: 0.4, repeats: true) { _ in print("Done!") }
// Swift >=3 selector syntax
let timer = Timer.scheduledTimer(timeInterval: 0.4, target: self, selector: #selector(self.update), userInfo: nil, ...
Add swipe to delete UITableViewCell
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Novice iOS programmer here - is there a good way to learn what methods need to be implemented for handling (seemingly) basic functionality like this? The documentation seems a bit verbose and hard to follow for my newbishnes.
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How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
The NSObject method performSelector:withObject:afterDelay: allows me to invoke a method on the object with an object argument after a certain time. It cannot be used for methods with a non-object argument (e.g. ints, floats, structs, non-object pointers, etc.).
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Javascript add leading zeroes to date
...ked - date format YYYY-MM-DD jsfiddle.net/j6qJp/1 It may be useful for somebody. Thanks
– tomexx
Oct 31 '12 at 13:59
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