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How to permanently set $PATH on Linux/Unix? [closed]

... session. In case of the shell script you must use a specific shell syntax and export or set commands. System wide /etc/environment List of unique assignments, allows references. Perfect for adding system-wide directories like /usr/local/something/bin to PATH variable or defining JAVA_HOME. Used ...
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In C#, What is a monad?

... the concept. The reason is that monads are a functional language concept, and thus the examples are in languages I haven't worked with (since I haven't used a functional language in depth). I can't grasp the syntax deeply enough to follow the articles fully ... but I can tell there's something wort...
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What should I name a table that maps two tables together? [closed]

...There are only two hard things in Computer Science: cache invalidation and naming things-- Phil Karlton Coming up with a good name for a table that represents a many-to-many relationship makes the relationship easier to read and understand. Sometimes finding a great name is not trivial but usu...
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When do we need curly braces around shell variables?

In shell scripts, when do we use {} when expanding variables? 7 Answers 7 ...
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Pure JavaScript equivalent of jQuery's $.ready() - how to call a function when the page/DOM is ready

...ur code at the end of the body. This is faster to execute than an onload handler because this waits only for the DOM to be ready, not for all images to load. And, this works in every browser. <!doctype html> <html> <head> </head> <body> Your HTML here <script>...
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How do I configure emacs for editing HTML files that contain Javascript?

...ainful first steps of using emacs to edit an HTML file with both HTML tags and javascript content. I have installed nxhtml and tried using it - i.e set up to use nxhtml-mumamo-mode for .html files. But I am not loving it. When I am editing the Javascript portion of the code the tab indents do n...
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What is the difference between a 'closure' and a 'lambda'?

Could someone explain? I understand the basic concepts behind them but I often see them used interchangeably and I get confused. ...
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Which one will execute faster, if (flag==0) or if (0==flag)?

... I haven't seen any correct answer yet (and there are already some) caveat: Nawaz did point out the user-defined trap. And I regret my hastily cast upvote on "stupidest question" because it seems that many did not get it right and it gives room for a nice discussio...
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Prevent any form of page refresh using jQuery/Javascript

...ens!"; } </script> The user will be prompted with the message, and given an option to stay on the page or continue on their way. This is becoming more common. Stack Overflow does this if you try to navigate away from a page while you are typing a post. You can't completely stop the user ...
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How can I measure the speed of code written in PHP? [closed]

... two solutions : The quite "naïve" one is using microtime(true) tobefore and after a portion of code, to get how much time has passed during its execution ; other answers said that and gave examples already, so I won"t say much more. This is a nice solution if you want to benchmark a couple of in...