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Proper way to use **kwargs in Python
...
While most answers are saying that, e.g.,
def f(**kwargs):
foo = kwargs.pop('foo')
bar = kwargs.pop('bar')
...etc...
is "the same as"
def f(foo=None, bar=None, **kwargs):
...etc...
this is not true. In the latter case, f can be called as f(23, 42), while the former ...
Static class initializer in PHP
...
// file Foo.php
class Foo
{
static function init() { /* ... */ }
}
Foo::init();
This way, the initialization happens when the class file is included. You can make sure this only happens when necessary (and only once) by using au...
How to declare a global variable in a .js file
...g = "Hello World!"
You can then access it within any function:
function foo() {
alert(greeting); // Hello World!
alert(window["greeting"]); // Hello World!
alert(window.greeting); // Hello World! (recommended)
}
This approach is preferred for two reasons.
The intent is explicit. Th...
How do I space out the child elements of a StackPanel?
...
Source code in gist.
Example:
<StackPanel Orientation="Horizontal" foo:Spacing.Horizontal="5">
<Button>Button 1</Button>
<Button>Button 2</Button>
</StackPanel>
<StackPanel Orientation="Vertical" foo:Spacing.Vertical="5">
<Button>Button 1&l...
How to make an AJAX call without jQuery?
...ou can do similar things pretty easily, like this:
ajax.get('/test.php', {foo: 'bar'}, function() {});
Here is the snippet:
var ajax = {};
ajax.x = function () {
if (typeof XMLHttpRequest !== 'undefined') {
return new XMLHttpRequest();
}
var versions = [
"MSXML2.XmlHt...
Casting vs using the 'as' keyword in the CLR
... type twice for no reason
if (randomObject is TargetType)
{
TargetType foo = (TargetType) randomObject;
// Do something with foo
}
Not only is this checking twice, but it may be checking different things, if randomObject is a field rather than a local variable. It's possible for the "if" t...
Pythonic way to create a long multi-line string
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Note that each line must end with a string constant, so ' foo '+variable won't work, but ' foo '+variable+'' will.
– yoyo
Jul 8 '15 at 6:57
...
What's the difference between getRequestURI and getPathInfo methods in HttpServletRequest?
...t think I've ever served a Servlet from root (/).
For example if Servlet 'Foo' is mapped to URI '/foo' then I would have thought the URI:
/foo/path/to/resource
Would result in:
RequestURI = /foo/path/to/resource
and
PathInfo = /path/to/resource
...
Create, read, and erase cookies with jQuery [duplicate]
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Use JavaScript Cookie plugin
Set a cookie
Cookies.set("example", "foo"); // Sample 1
Cookies.set("example", "foo", { expires: 7 }); // Sample 2
Cookies.set("example", "foo", { path: '/admin', expires: 7 }); // Sample 3
Get a cookie
alert( Cookies.get("example") );
Delete the cookie
Cookie...
Git keeps prompting me for a password
... This may be it. When I call git remote -v I get: origin github.com/Foo/Bar.git (fetch) origin github.com/Foo/Bar.git (push) whereas to work with SSH it seems that it should be: origin git@github.com:Foo/Bar.git (fetch) origin git@github.com:Foo/Bar.git (push) This may ...