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How much faster is C++ than C#?

... more advanced JIT optimizations being complicated to implement, and the really cool ones are only arriving just now. So C++ is faster, in many cases. But this is only part of the answer. The cases where C++ is actually faster, are highly optimized programs, where expert programmers thoroughly opti...
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Why are iframes considered dangerous and a security risk?

... As soon as you're displaying content from another domain, you're basically trusting that domain not to serve-up malware. There's nothing wrong with iframes per se. If you control the content of the iframe, they're perfectly safe. ...
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JavaScript get clipboard data on paste event (Cross browser)

...nce writing this answer: now that Firefox has added support in version 22, all major browsers now support accessing the clipboard data in a paste event. See Nico Burns's answer for an example. In the past this was not generally possible in a cross-browser way. The ideal would be to be able to get t...
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fastest MD5 Implementation in JavaScript

... I've heard Joseph's Myers implementation is quite fast. Additionally, he has a lengthy article on Javascript optimization describing what he learned while writing his implementation. It's a good read for anyone interested in performant javascript. http://www.webreference.com/programming/...
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“No X11 DISPLAY variable” - what does it mean?

...ror. Download this app xming: http://sourceforge.net/project/downloading.php? Install, then use settings on this link: http://www.geo.mtu.edu/geoschem/docs/putty_install.html or follow this steps: Installing/Configuring PuTTy and Xming Once PuTTy and Xming have been downloaded to the PC, insta...
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TypeError: Cannot read property 'then' of undefined

...uid is "+cUid); var $checkSessionServer=$http.post('data/check_session.php?cUid='+cUid); $checkSessionServer.then(function(){ alert("session check returned!"); console.log("checkSessionServer is "+$checkSessionServer); }); return $checkSessionServer; // <-- return ...
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Can someone explain __all__ in Python?

I have been using Python more and more, and I keep seeing the variable __all__ set in different __init__.py files. Can someone explain what this does? ...
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Stop execution of Ruby script

Is there a method like exit or die in PHP which stops the execution of a Ruby script? 4 Answers ...
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Delimiters in MySQL

...s it through a programming language API to MySQL. Some other clients like PHPMyAdmin have other methods to specify a non-default delimiter. Example: DELIMITER $$ /* This is a complete statement, not part of the procedure, so use the custom delimiter $$ */ DROP PROCEDURE my_procedure$$ /* Now start...
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Can't connect to local MySQL server through socket homebrew

...ln -s /tmp/mysql.sock /var/mysql/mysql.sock This solved it for me. Now my phpMyAdmin works happily with localhost and 127.0.0.1. Credit goes to Henry share | improve this answer | ...