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creating a random number using MYSQL

I would like to know is there a way to select randomly generated number between 100 and 500 along with a select query. 6 A...
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How can I clone an SQL Server database on the same server in SQL Server 2008 Express?

...to create a NewDB, it says Permission denied on .mdf file. I don't need it now, I just needed a backup of the original DB, so I can overwrite the original DB with it later, I'm just curious why I'm getting such error. – David Ferenczy Rogožan Oct 6 '15 at 16:0...
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Hide hidden(dot) files in github atom editor

...gs" button of this package and then check the "Hide Ignored Names" choice. Now go to Edit > Preferences > Core . In the Ignored Names box enter .* this will hide all the files/folders which are usually hidden in other file explorers. If you want to hide normal files/folders just add them to ...
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Standardize data columns in R

...) EDIT 3 (2020): Thanks to @mj_whales: the old solution is deprecated and now we need to use mutate_at. share | improve this answer | follow | ...
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Android gradle: buildtoolsVersion vs compileSdkVersion

... Android Studio 3.0 update It is no longer as important to know the exact buildToolsVersion as it used to be because it is now chosen automatically. The documentation says: You no longer need to specify a version for the build tools (so, you can now remove the android.buildToo...
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What character to use to put an item at the end of an alphabetic list?

...a folder with this at the beginning of the name on my Sharepoint drive and now it's there and I can't access it or delete it. :| – Devil's Advocate Jun 28 '16 at 21:05 9 ...
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Fastest Way to Find Distance Between Two Lat/Long Points

...s of Geometry data types in MyISAM table. As of Mysql 5.7.5, InnoDB tables now also support SPATIAL indices. Create a SPATIAL index on these points Use MBRContains() to find the values: SELECT * FROM table WHERE MBRContains(LineFromText(CONCAT( '(' , @lon + 10 / ( 111.1 / cos...
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Is there any “font smoothing” in Google Chrome?

...n (unproven) solution that recommends using only TTF/OTF fonts as they are now supported by nearly all browsers. 3.) The Google Chrome developer team works on that issue. As there have been several huge changes in the rendering engine there's obviously something in progress. I've written a large b...
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Should IBOutlets be strong or weak under ARC?

... footprint was crucial, hence there was view unloading. That changed as we now have more and more RAM, and Apple optimized UIViews in iOS 6, so that on memory warnings, a lot of memory can be freed without unloading the view. – Tammo Freese Sep 4 '16 at 16:11 ...
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Node.js on multi-core machines

... entire box; I crashed the kernel on a CentOS5 box by stress-testing Node (now THAT really isn't supposed to happen). I've come around a bit, and I see a bright future for Node, potentially including dedicated LB-type roles. Just not yet. – Dave Dopson Jan 16...