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NSOperation vs Grand Central Dispatch
...patch it to be performed on a serial or concurrent queue, where creating a custom NSOperation or NSInvocationOperation to do this requires a lot more supporting code. I know that you can use an NSBlockOperation, but you might as well be dispatching something to GCD then. Wrapping this code in blocks...
How do I use vi keys in ipython under *nix?
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Where do I add my custom key binding mappings?
– Aravinda
Jul 21 '16 at 12:17
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How can I cast int to enum?
...ss public auto ansi serializable sealed BarFlag extends System.Enum
{
.custom instance void System.FlagsAttribute::.ctor()
.custom instance void ComVisibleAttribute::.ctor(bool) = { bool(true) }
.field public static literal valuetype BarFlag AllFlags = int32(0x3fff)
.field public st...
CSS last-child(-1)
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Unless you can get PHP to label that element with a class you are better to use jQuery.
jQuery(document).ready(function () {
$count = jQuery("ul li").size() - 1;
alert($count);
jQuery("ul li:nth-child("+$count+")").css("color","red");
}...
Bootstrap 3: Keep selected tab on page refresh
...lic.com/faq/how-to-keep-the-current-tab-active-on-page-reload-in-bootstrap.php
https://www.w3schools.com/bootstrap/bootstrap_ref_js_tab.asp
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foll...
Pure JavaScript Send POST Data Without a Form
...e_1: 123,
example_2: 'Hello, world!',
});
navigator.sendBeacon('example.php', data);
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What is the difference between MySQL Server and MySQL Client
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Presumably, if I am using a server side language, like PHP or Coldfusion [.cfml] to query my databases, I only need to install MySQL Server. For instance, in Coldfusion, we use Coldfusion Administrator to set up our data sources, which uses a MySQL Driver to provide the connectio...
Generate Java classes from .XSD files…?
...B API
http://simple.sourceforge.net/download/stream/doc/tutorial/tutorial.php
However, if you are really keen on learning JAXB, here's an excellent tutorial
http://blogs.oracle.com/teera/entry/jaxb_for_simple_java_xml
Contents of tutorial:
JAXB for simple Java-XML serialization
There're a number of...
Shrink a YouTube video to responsive width
...r on https://css-tricks.com/NetMag/FluidWidthVideo/Article-FluidWidthVideo.php
The problem with previous solution is that you need to have special div around video code, which is not suitable for most uses. So here is JavaScript solution without special div.
// Find all YouTube videos - RESIZE YOU...
How to concatenate string variables in Bash
In PHP, strings are concatenated together as follows:
30 Answers
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