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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...
Will #if RELEASE work like #if DEBUG does in C#?
In all the examples I've seen of the #if compiler directive, they use "DEBUG". Can I use "RELEASE" in the same way to exclude code that I don't want to run when compiled in debug mode? The code I want to surround with this block sends out a bunch of emails, and I don't want to accidentally send tho...
How to draw polygons on an HTML5 canvas?
...
from http://www.scienceprimer.com/drawing-regular-polygons-javascript-canvas:
The following code will draw a hexagon. Change the number of sides to create different regular polygons.
var ctx = document.getElementById('hexagon').get...
Ideal way to cancel an executing AsyncTask
...eferred to the code snippet provided in the answer, not to the confucius's comment (which is right).
– lopek
May 14 '14 at 14:43
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How can I detect if a browser is blocking a popup?
... exception list.");
}
};
Usage:
var popup = window.open("http://www.google.ca", '_blank');
popupBlockerChecker.check(popup);
Hope this helps! :)
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Embedding ads on Android app?
...pic: https://stackoverflow.com/questions/5514945/mopub-for-android
http://www.mopub.com
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Is there a Boolean data type in Microsoft SQL Server like there is in MySQL? [duplicate]
... on three valued logic-
Example of three valued logic in SQL Server
http://www.firstsql.com/idefend3.htm
https://www.simple-talk.com/sql/learn-sql-server/sql-and-the-snare-of-three-valued-logic/
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Why there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT clause?
...estriction has been lifted. Any TIMESTAMP column definition can
have any combination of DEFAULT CURRENT_TIMESTAMP and ON UPDATE
CURRENT_TIMESTAMP clauses. In addition, these clauses now can be used
with DATETIME column definitions. For more information, see Automatic
Initialization and Updat...
How to get the index of an item in a list in a single step?
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edited Aug 1 '13 at 14:01
answered Aug 1 '13 at 13:42
Jo...
How to split a string literal across multiple lines in C / Objective-C?
... Another advantage of the better approach is, that you can put // comments after each line.
– fishinear
Dec 2 '13 at 13:37
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