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PostgreSQL: Difference between text and varchar (character varying)
...l varlena (variable length array).
Check this article from Depesz: http://www.depesz.com/index.php/2010/03/02/charx-vs-varcharx-vs-varchar-vs-text/
A couple of highlights:
To sum it all up:
char(n) – takes too much space when dealing with values shorter than n (pads them to n), and c...
Checkstyle vs. PMD
...ode() method without the not equals(Object object) method
source:
http://www.sonarsource.org/what-makes-checkstyle-pmd-findbugs-and-macker-complementary/
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Rails params explained?
...re encoded in the url. For example, if a user's browser requested
http://www.example.com/?foo=1&boo=octopus
then params[:foo] would be "1" and params[:boo] would be "octopus".
In HTTP/HTML, the params are really just a series of key-value pairs where the key and the value are strings, but Ru...
How do I clone a generic list in C#?
...ize(ms);
}
return objResult;
}
This is one way to do it with C# and .NET 2.0. Your object requires to be [Serializable()]. The goal is to lose all references and build new ones.
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HTML5 Video Dimensions
...d dimensions of the media resource
Section 4.7.10.16 Event summary
https://www.w3.org/TR/html5/semantics-embedded-content.html#eventdef-media-loadedmetadata
videoTagRef.addEventListener('loadedmetadata', function(e){
console.log(videoTagRef.videoWidth, videoTagRef.videoHeight);
});
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Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable
...
Verified, the implementation is the same in .NET Core 2.2 (just the class names are different).
– nawfal
Sep 15 '18 at 1:28
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Are nested span tags OK in XHTML?
...lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<title>Title</title>
</head>
&l...
What is the purpose of backbone.js?
...ls as the back-end:
CloudEdit: A Backbone.js Tutorial with Rails:
http://www.jamesyu.org/2011/01/27/cloudedit-a-backbone-js-tutorial-by-example/
http://www.jamesyu.org/2011/02/09/backbone.js-tutorial-with-rails-part-2/
p.s. There is also this wonderful Collection class that lets you deal with co...
reStructuredText tool support
...edText , however the tools that support it are scattered all over the Internet. The official tool list is incomplete and/or outdated, and can be updated only via commit privileges. For some time there was a comprehensive list at the Wikipedia reStructuredText page , but this apparently " did not ...
Convert RGB to RGBA over white
...e a small fiddle that implements this solution. Here is the link. jsfiddle.net/wb5fwLoc/1. Maybe one of you can use it. It's just a quick, not bug-free script.. it should be good enough for play around.
– chsymann
Dec 15 '14 at 14:25
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