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String, StringBuffer, and StringBuilder
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logic operations i mean are basic String ones, Now one thing I would like to ask, as stated by @Peter should we start using StringBuffer instead on String in all cases or there are some specific cases?
– JavaDragon
Jun 17 '16 at 7:57...
How to decorate a class?
...consider a subclass instead of the approach you've outlined. However, not knowing your specific scenario, YMMV :-)
What you're thinking of is a metaclass. The __new__ function in a metaclass is passed the full proposed definition of the class, which it can then rewrite before the class is created. ...
Why use #ifndef CLASS_H and #define CLASS_H in .h file but not in .cpp?
...rations for the code in class.cpp by including class.h. It only needs to know what these functions or variables look like (which is what a declaration gives you). So it compiles your main.cpp file into some object file (call it main.obj). Similarly, class.cpp is compiled into a class.obj file. T...
What are the disadvantages of using persistent connection in PDO
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I know a big website that has been using persistent connections for nearly a decade now. The trick is using a layer above the DB extension, and having it remember the things that need to be cleaned up by using register_shutdown_...
Resumable downloads when using PHP to send the file?
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// multiple ranges, which can become pretty complex, so ignore it for now
preg_match('/bytes=(\d+)-(\d+)?/', $_SERVER['HTTP_RANGE'], $matches);
$offset = intval($matches[1]);
$length = intval($matches[2]) - $offset;
} else {
$partialContent = false;
}
$file = fopen($file, 'r')...
How to use Git properly with Xcode?
...Cocoa PList file, which is older, and defined a lot earlier than JSON, and now deprecated by Apple. (but they are still using it in some places) The mention about the file in the book is completely wrong. I removed down vote because you mentioned it explicitly.
– eonil
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Parsing JSON using Json.net
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I don't know about JSON.NET, but it works fine with JavaScriptSerializer from System.Web.Extensions.dll (.NET 3.5 SP1):
using System.Collections.Generic;
using System.Web.Script.Serialization;
public class NameTypePair
{
public s...
Does PowerShell support constants?
...the Set-Variable cmdlet:
Set-Variable myvar -option Constant -value 100
Now $myvar has a constant value of 100 and cannot be modified.
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callback to handle completion of pipe
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The 'end' event is now 'finish' Pipe events: nodejs.org/api/stream.html#stream_event_finish
– Pier-Luc Gendreau
Apr 16 '14 at 14:44
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Good MapReduce examples [closed]
... -> (C D)
(C D) -> (A B E)
(C E) -> (B D)
(D E) -> (B C)
Now when D visits B's profile, we can quickly look up (B D) and see
that they have three friends in common, (A C E).
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