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Run JavaScript code on window close or page refresh?
... which are used differently depending on the browser. You can assing them either by setting the window properties to functions, or using the .addEventListener:
window.onbeforeunload = function(){
// Do something
}
// OR
window.addEventListener("beforeunload", function(e){
// Do something
}, f...
Batch renaming files with Bash
...ries of packages to remove their version numbers? I've been toying around with both expr and %% , to no avail.
10 Answer...
What does ~~ (“double tilde”) do in Javascript?
...cs library today and came across the ~~ operator. I know a single ~ is a bitwise NOT, would that make ~~ a NOT of a NOT, which would give back the same value, wouldn't it?
...
Recursively add files by pattern
...ome of the files to be added may not already be tracked. If you want to limit yourself to files git already knows about, you could combine git-ls-files with a filter:
git ls-files [path] | grep '\.java$' | xargs git add
Git doesn't provide any fancy mechanisms for doing this itself, as it's basical...
Xcode 5: Code signing entitlement errors
...provisioning profile and distribution certificate, but i'm having trouble with distribution. I constantly get the following error:
...
How do I parse a URL into hostname and path in javascript?
...The modern way:
new URL("http://example.com/aa/bb/")
Returns an object with properties hostname and pathname, along with a few others.
The first argument is a relative or absolute URL; if it's relative, then you need to specify the second argument (the base URL). For example, for a URL relative ...
How to add property to a class dynamically?
... a property to a class dynamically. But that's the catch: you have to add it to the class.
>>> class Foo(object):
... pass
...
>>> foo = Foo()
>>> foo.a = 3
>>> Foo.b = property(lambda self: self.a + 1)
>>> foo.b
4
A property is actually a simple...
How can I get Express to output nicely formatted HTML?
When using Express for Node.js, I noticed that it outputs the HTML code without any newline characters or tabs. Though it may be more efficient to download, it's not very readable during development.
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HTTP GET Request in Node.js Express
How can I make an HTTP request from within Node.js or Express.js? I need to connect to another service. I am hoping the call is asynchronous and that the callback contains the remote server's response.
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How do I join two lists in Java?
Conditions: do not modifiy the original lists; JDK only, no external libraries. Bonus points for a one-liner or a JDK 1.3 version.
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