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Calling method using JavaScript prototype
Is it possible to call the base method from a prototype method in JavaScript if it's been overridden?
14 Answers
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Submit HTML form on self page
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In 2013, with all the HTML5 stuff, you can just omit the 'action' attribute to self-submit a form
<form>
Actually, the Form Submission subsection of the current HTML5 draft does not allow action="" (empty attribute). It is against...
垂直布局，高度无法充满怎么解决 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
C:\Users\Lenovo\Desktop\wechat_2025-04-06_205731_542.png你好，请把 Screen1 下面的组件树展开看看。
目测是因为这个 垂直布局 的父组件，高度没有充满整个屏幕，所以它只能充满它的父组件的高度。没有设置的选项App Inventor 2 发表...
How to get memory available or used in C#
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It should probably be noted that a call to GetCurrentProcess will itself allocate quite a lot of resources. Call Dispose on the returned process when done, or wrap the whole code in a "using" scope.
– Mathias Lykkegaard Lorenzen
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slashes in url variables
...uld easily replace the forward slashes / with something like an underscore _ such as Wikipedia uses for spaces. Replacing special characters with underscores, etc., is common practice.
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impr...
How to find first element of array matching a boolean condition in JavaScript?
... var result = null;
arr.some(function(el, i) {
return test.call(ctx, el, i, arr) ? ((result = el), true) : false;
});
return result;
}
var result = find(someArray, isNotNullNorUndefined);
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How do I clone a job in Jenkins?
...ether it exists.
The default tab on the front page of Jenkins should list all existing jobs, but maybe your predecessor deleted the tab. You can create a new tab listing all jobs from http://your-jenkins/newView.
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defaultdict of defaultdict?
...et as the new value of this key, which means in our case the value of d[Key_doesnt_exist] will be defaultdict(int).
If you try to access a key from this last defaultdict i.e. d[Key_doesnt_exist][Key_doesnt_exist] it will return 0, which is the return value of the argument of the last defaultdict i....
Update just one gem with bundler
...bundle update
> ruby -v
ruby 2.6.5p114 (2019-10-01 revision 67812) [x86_64-darwin19]
> gem -v
3.0.3
> bundle -v
Bundler version 2.1.4
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How to add a new method to a php object on the fly?
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You can harness __call for this:
class Foo
{
public function __call($method, $args)
{
if (isset($this->$method)) {
$func = $this->$method;
return call_user_func_array($func, $args);
}
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