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Thread.Sleep replacement in .NET for Windows Store
...chronous method will continue 30 seconds later, but the thread will not be blocked, just as for all await expressions.
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Fundamental difference between Hashing and Encryption algorithms
...s resulting in the same output. For DES, the key length is 56 bits and the block sizes are 64 bits. Therefore, aren't there 256 different keys that can map to the same output block?
– mrQWERTY
Feb 18 '15 at 23:33
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How to center horizontally div inside parent div
...lign:center;">
<div style="border:1px solid #000; display:inline-block;">Div 1</div>
<div style="border:1px solid red; display:inline-block;">Div 2</div>
</div>
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How do I resolve “HTTP Error 500.19 - Internal Server Error” on IIS7.0 [closed]
...ose to a virtual directory, with a "classic" appPool setup. Now I can run PHP and ASPX applications in IIS. Thanks for starting the fire.
– klewis
Feb 3 '17 at 21:43
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JavaScript pattern for multiple constructors
...tively create the other objects you want.
http://en.wikipedia.org/w/index.php?title=Factory_method_pattern&oldid=363482142#Javascript
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How to call shell commands from Ruby
...ed backticks – `cmd`
This is like many other languages, including Bash, PHP, and Perl.
Returns the result (i.e. standard output) of the shell command.
Docs: http://ruby-doc.org/core/Kernel.html#method-i-60
value = `echo 'hi'`
value = `#{cmd}`
Built-in syntax, %x( cmd )
Following the x charac...
Setting Django up to use MySQL
I want to move away from PHP a little and learn Python. In order to do web development with Python I'll need a framework to help with templating and other things.
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Convert XmlDocument to String
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+1 for fixing the code to use using blocks and not XmlTextWriter.
– John Saunders
Mar 9 '10 at 8:02
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What's the Point of Multiple Redis Databases?
...you don't have to bother with concurrency in any real way. Every action is blocking, so no two things can alter the database at the same time. Ideally you would have one (or more) instances per core of each server, and use a consistent hashing algorithm (or a proxy) to divide the keys among them. Of...
quick random row selection in Postgres
...heck this link out for some different options.
http://www.depesz.com/index.php/2007/09/16/my-thoughts-on-getting-random-row/
Update: (A.Hatchkins)
The summary of the (very) long article is as follows.
The author lists four approaches:
1) ORDER BY random() LIMIT 1; -- slow
2) ORDER BY id where...