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Which is the fastest algorithm to find prime numbers?
...tp://primes.utm.edu/prove/prove2_3.html and http://forums.nvidia.com/index.php?showtopic=70483
If you just need a way to generate very big prime numbers and don't care to generate all prime numbers < an integer n, you can use Lucas-Lehmer test to verify Mersenne prime numbers. A Mersenne prime n...
How do I make background-size work in IE?
...ingMethod='scale')";
However, this scales the entire image to fit in the allocated area, so if you're using a sprite, this may cause issues.
Specification: AlphaImageLoader Filter @microsoft
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MongoDB: Is it possible to make a case-insensitive query?
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This works perfectly. Got it working in PHP with: $collection->find(array('key' => new MongoRegex('/'.$val.'/i')));
– Luke Dennis
Dec 9 '09 at 4:22
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Alternate FizzBuzz Questions [closed]
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here is my php solution :) ideone.com/BnJQ3 3 minutes :)
– Trufa
Dec 16 '10 at 23:03
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Remove HTML Tags from an NSString on the iPhone
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UITextView *textview= [[UITextView alloc]initWithFrame:CGRectMake(10, 130, 250, 170)];
NSString *str = @"This is <font color='red'>simple</font>";
[textview setValue:str forKey:@"contentToHTMLString"];
textview.textAlignment = NSTextAlignmentLeft;
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Change all files and folders permissions of a directory to 644/755
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On
https://help.directadmin.com/item.php?id=589 they write:
If you need a quick way to reset your public_html data to 755 for directories and 644 for files, then you can use something like this:
cd /home/user/domains/domain.com/public_html
find . -type d -exec...
Can I get Memcached running on a Windows (x64) 64bit environment?
...roducts/memcached.html and download at: http://www.northscale.com/download.php?a=d
UPDATE 2: NorthScale Memcached is no longer available as a standalone download. Now they have made it part of their commercial No-SQL DB offering called Membase. It can be configured to run in Memcached-only mode (i....
Javascript object Vs JSON
...me. A JavaScript object on the other hand is a physical type. Just like a PHP array, a C++ class/ struct, a JavaScript object is an type internal to JavaScript.
Here's a story. Let's imagine you've purchased some furniture from a store, and you want it delivered. However the only one left in stock...
Create an array with same element repeated multiple times
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It's much more efficient to allocate all of the entries up front, with arr = new Array(len);, then assign to them by index in the loop, i.e. arr[i] = value;. That way you only pay O(n) rather than having to keep reallocating the array as it grows. In ...
e.printStackTrace equivalent in python
...r: integer division or modulo by zero
(From http://blog.tplus1.com/index.php/2007/09/28/the-python-logging-module-is-much-better-than-print-statements/ via How to print the full traceback without halting the program?)
shar...