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Bidirectional 1 to 1 Dictionary in C#
...rializableAttribute.
Debug view using DebuggerDisplayAttribute (with Count info) and DebuggerTypeProxyAttribute (for displaying key-value pairs in watches).
Reverse dictionary is available as IDictionary<TValue, TKey> Reverse property and also implements all interfaces mentioned above. All ope...
Understanding how recursive functions work
...he problem. It helps in understanding other problems, so it's still useful info, just elsewhere. These comments seem like a fine place for it :)
– Catfish_Man
Sep 5 '14 at 20:03
...
onchange event on input type=range is not triggering in firefox while dragging
...change="showVal(this.value)">
Check out this Bugzilla thread for more information.
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How to get started with developing Internet Explorer extensions?
...worked by running 64bit IE11.
This answer appears to have some additional info about this: https://stackoverflow.com/a/23004613/195417
If you need to, you can use the 64bit regasm:
%windir%\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
How this add-on works
I didn't change the behavior of the...
What is the maximum length of a URL in different browsers?
... 2048 chars...
Be aware that the sitemaps protocol, which allows a site to inform search engines about available pages, has a limit of 2048 characters in a URL. If you intend to use sitemaps, a limit has been decided for you! (see Calin-Andrei Burloiu's answer below)
There's also some research from ...
Is there a use-case for singletons with database access in PHP?
...e bad and how you can eliminate them from your applications for additional information.
Even Erich Gamma, one of the Singleton pattern's inventors, doubts this pattern nowadays:
"I'm in favor of dropping Singleton. Its use is almost always a design smell"
Further reading
How is testing the ...
How can I troubleshoot my Perl CGI script?
...e warnings pragma to all of your files:
use warnings;
If you need more information than the short warning message, use the diagnostics pragma to get more information, or look in the perldiag documentation:
use diagnostics;
Did you output a valid CGI header first?
The server is expecting the...
What is state-of-the-art for text rendering in OpenGL as of version 4.1? [closed]
... black and white, all possible shades are used, thus we have 256 times the information using the same storage). But even if you magnify far beyond 16x, the result still looks quite acceptable. Long straight lines will eventually become a bit wiggly, but there will be no typical "blocky" sampling art...
RegEx for matching UK Postcodes
... to which letters are allowed.
After some research, we've found some more information. Apparently a page on 'govtalk.gov.uk' points you to a postcode specification govtalk-postcodes. This points to an XML schema at XML Schema which provides a 'pseudo regex' statement of the postcode rules.
We've t...
Why does the C preprocessor interpret the word “linux” as the constant “1”?
...ler that's compatible with it). See the GNU C preprocessor manual for more information.
A largely irrelevant aside: the "Best One Liner" winner of the 1987 International Obfuscated C Code Contest, by David Korn (yes, the author of the Korn Shell) took advantage of the predefined unix macro:
main()...