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What is the difference between typeof and instanceof and when should one be used vs. the other?
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@Luke generally a bad idea to use "new String" like this. that creates a "string object" rather than a string primitive. see section here developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…
– Colin D
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Vertically align an image inside a div with responsive height
... out of position, below the container div, on mobile (Android v2.3.5). Any idea on a fix for this?
– user1794295
Aug 30 '13 at 9:32
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What's the best way to get the current URL in Spring MVC?
... In my case it gives the related view path instead of browse url. Any idea about this?
– Md. Shougat Hossain
Aug 5 '18 at 16:04
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How to change theme for AlertDialog
...og.java (Android src) a ContextThemeWrapper is used. So you could copy the idea and do something like:
AlertDialog.Builder builder = new AlertDialog.Builder(new ContextThemeWrapper(this, R.style.AlertDialogCustom));
And then style it like you want:
<?xml version="1.0" encoding="utf-8"?>
<...
How can I find where I will be redirected using cURL?
...keleton takes care of cookies and HTTP redirects using recursion. The main idea here is to avoid return HTTP headers to the client code.
You can build a very strong curl class over it. Add POST functionality, etc.
<?php
class curl {
static private $cookie_file = '';
static priv...
When to use a linked list over an array/array list?
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Using linked lists for priority queues is a very stupid idea. Dynamic array-backed heaps allow for O(lg n) amortized insertion and worst-case logarithmic delete-min, and are among the fastest practical priority queue structures.
– Fred Foo
Ju...
Any way to force strict mode in node?
...lists where this was discussed, these are rather old however and I have no idea if this is implemented or not.
5 Answers
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Can I set variables to undefined or pass undefined as an argument?
...s will let you get away with straight delete variable, but it's not a good idea and won't work in ECMAScript Fifth Edition's strict mode. If you want to free up a reference to something so it can be garbage-collected, it would be more usual to say variable= null.
can I pass undefined as a parame...
What is android:weightSum in android, and how does it work?
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The idea is that you can set weightSum to a number higher than the sum of the children. This causes the children to receive some but not all of the available extra space. In the example above, your single child would inherit half...
What is the easiest way to disable/enable buttons and links (jQuery + Bootstrap)
...nswer that relies on extending jQuery with a new function. That is a great idea, so I am going to adapt his code so it works the way I need it to.
Extending jQuery
$.fn.disable=-> setState $(@), true
$.fn.enable =-> setState $(@), false
$.fn.isDisabled =-> $(@).hasClass 'disabled'
setSta...