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What is sharding and why is it important?

... be possible to infer the appropriate shard membership easily and automatically, and query only the relevant shard. Some more information about sharding: Firstly, each database server is identical, having the same table structure. Secondly, the data records are logically split up in a sharded ...
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Simulate limited bandwidth from within Chrome?

... If you are running Linux, the following command is really useful for this: trickle -s -d 50 -w 100 firefox The -s tells the command to run standalone, the -d 50 tells it to limit bandwidth to 50 KB/s, the -w 100 set the peak detection window size to 100 KB. firefox tells the...
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How to check if a file is empty in Bash?

I have a file called diff.txt. Want to check if it is empty. Did something like this but couldn't get it working. 10 Answe...
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How to create a database from shell command?

...for something like createdb in PostgreSQL or any other solution that would allow me to create database with a help of a shell command. Any hints? ...
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How to show only next line after the matched one?

... For anyone who really wanted a grep -A2 equivalent (which is what I needed), getline just eats the line and goes on to the next. So what worked for me was literally just awk '/blah/{getline; getline; print}' logfile – A...
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Forking vs. Branching in GitHub

...op of the branch of interest you got updated from that fetch. The rebase allows you to make sure your changes are straightforward (no merge conflict to handle), making your pulling request that more easy when you want the maintainer of the original project to include your patches in his project. ...
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How can you find out which process is listening on a port on Windows?

...Note Dane's recommendation for TCPView. It looks very useful! -a Displays all connections and listening ports. -b Displays the executable involved in creating each connection or listening port. In some cases well-known executables host multiple independent components, and in these cases the sequen...
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How to map atan2() to degrees 0-360

...swered Aug 21 '09 at 10:20 erikkallenerikkallen 31k1212 gold badges7575 silver badges114114 bronze badges ...
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Best approach for GPGPU/CUDA/OpenCL in Java?

...FAIK, JavaCL / OpenCL4Java is the only OpenCL binding that is available on all platforms right now (including MacOS X, FreeBSD, Linux, Windows, Solaris, all in Intel 32, 64 bits and ppc variants, thanks to its use of JNA). It has demos that actually run fine from Java Web Start at least on Mac and ...
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Count work days between two dates

... is not that advanced. --Changing current database to the Master database allows function to be shared by everyone. USE MASTER GO --If the function already exists, drop it. IF EXISTS ( SELECT * FROM dbo.SYSOBJECTS WHERE ID = OBJECT_ID(N'[dbo].[fn_WorkDays]') AND XType IN (N'FN', N'I...