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Why do you not use C for your web apps?

...I understand, its a web server written in C and you have to make use of it by writing your websites/webapps in C. One clear benefit is speed as the G-WAN site suggests. ...
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Read values into a shell variable from a pipe

... last! A pipeline may spawn a subshell, where the environment is inherited by value, not by reference. This is why read doesn't bother with input from a pipe - it's undefined. FYI, http://www.etalabs.net/sh_tricks.html is a nifty collection of the cruft necessary to fight the oddities and incompati...
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How may I reference the script tag that loaded the currently-executing script?

...Does not work with modules <script type="module"> 2. Select script by id Giving the script an id attribute will let you easily select it by id from within using document.getElementById(). <script id="myscript"> var me = document.getElementById('myscript'); </script> Benefits...
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Making the Android emulator run faster

...telHAXM (open the dmg and run the installation). You can find the location by placing your mouse over the Emulator Accelerator entry in the SDK Manager. Create or update an AVD and specify Intel Atom x86 as the CPU. P.S: Check this tool, very convenient even trial ...
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What's the best way to send a signal to all members of a process group?

... Better look at stackoverflow.com/questions/392022/… its by far a more elegant solution and if you need to list the pids of the children then use: ps -o pid --no-headers --ppid $PARENT_PID – Szymon Jeż Sep 15 '11 at 11:19 ...
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What's the difference between findAndModify and update in MongoDB?

I'm a little bit confused by the findAndModify method in MongoDB. What's the advantage of it over the update method? For me, it seems that it just returns the item first and then updates it. But why do I need to return the item first? I read the MongoDB: the definitive guide and it says that i...
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How to debug Lock wait timeout exceeded on MySQL?

... What gives this away is the word transaction. It is evident by the statement that the query was attempting to change at least one row in one or more InnoDB tables. Since you know the query, all the tables being accessed are candidates for being the culprit. From there, you should be ...
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Foreign Key to multiple tables

...pends on your needs. You could simply create two columns in Ticket, OwnedByUserId and OwnedByGroupId, and have nullable Foreign Keys to each table. You could create M:M reference tables enabling both ticket:user and ticket:group relationships. Perhaps in future you will want to allow a single tick...
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Lock Android phone application to Portrait mode

...uman-readable. To do so, the code and the previous paragraph must be split by at least two linebreaks, and every line in the code block must be indented with at least 4 spaces. Please try this out by editing your answer, and you will see by yourself how it makes your answer look much better. ...
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.Contains() on a list of custom class objects

... +1 Good clear example, that shows the option that wouldn't be affected by changes elsewhere (i.e. if the Equals() method got changed for whatever reason) – Rowland Shaw Apr 13 '10 at 15:18 ...