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What does `node --harmony` do?
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It enables harmony modules in node js:
http://wiki.ecmascript.org/doku.php?id=harmony:modules
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Which one will execute faster, if (flag==0) or if (0==flag)?
... does warn in case of the former (flag = 0), there are no such warnings in PHP, Perl or Javascript or <insert language here>.
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Detect Click into Iframe using JavaScript
....blur( function() {
if( overiFrame != -1 )
$.post('log.php', {id:overiFrame}); /* example, do your stats here */
});
});
Very elegant solution with a minor downside: if a user presses ALT-F4 when hovering the mouse over an iFrame it will log it as a click. This only happene...
PostgreSQL: Difference between text and varchar (character varying)
...ength 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 can lead to subtle err...
Setting git parent pointer to a different parent
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From what I understand (from git.wiki.kernel.org/index.php/GraftPoint), git replace has superseded git grafts (assuming you have git 1.6.5 or later).
– Alexander Bird
May 23 '11 at 12:55
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Error :Request header field Content-Type is not allowed by Access-Control-Allow-Headers
... extra header. Try prepending the following to your file if you are using PHP:
header("Access-Control-Allow-Origin: *");
header("Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept");
Make sure that you haven't already used header in another file, or you will get a nasty...
What is unit testing and how do you do it? [duplicate]
...is a good introduction to the what and the how
http://www.nunit.org/index.php?p=quickStart&r=2.5
Is everything testable? Generally if it calculates something then yes. UI code is a whole other problem to deal with though, as simulating users clicking on buttons is tricky.
What should you test...
Count lines of code in all java classes in Android Studio
...le types" with all extensions which you want to have in separate tab (e.g. php;java;...),
Note:
Size - total size of the file,
Size Min - size of the smallest file of the given type,
Size Max - size of the biggest file of the given type,
Size Avg - average size of the file of the given type.
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How do I query for all dates greater than a certain date in SQL Server?
...in SQL Server Management Studio but not when sending the SQL statement via PHP/MSSQL.
– paperclip
Aug 30 '13 at 15:21
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Select something that has more/less than x character
...Oracle documentation:
http://www.techonthenet.com/oracle/functions/length.php
And here is the mySQL Documentation of Length(string):
http://dev.mysql.com/doc/refman/5.1/en/string-functions.html#function_length
For PostgreSQL, you can use length(string) or char_length(string). Here is the Postgre...