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How can I tell when a MySQL table was last updated?

...e information_schema database to tell you when another table was updated: SELECT UPDATE_TIME FROM information_schema.tables WHERE TABLE_SCHEMA = 'dbname' AND TABLE_NAME = 'tabname' This does of course mean opening a connection to the database. An alternative option would be to "touch" a ...
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Can you use an alias in the WHERE clause in mysql?

...ts an unknown column. Is there any way to get around this issue? I need to select records that have a rating higher than x. Rating is calculated as the following alias: ...
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Get full path of the files in PowerShell

... Add | select FullName to the end of your line above. If you need to actually do something with that afterwards, you might have to pipe it into a foreach loop, like so: get-childitem "C:\windows\System32" -recurse | where {$_.exte...
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Android studio add external project to build.gradle

...ick module -> Open Module Settings -> Dependencies -> + (bottom), select Module Dependency, select your library from the list, click ok :) – T.Coutlakis Jan 11 '15 at 22:51 ...
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Using TortoiseSVN via the command line

...ssociated with it. But on the installer (of version 1.7 and later) you can select the "command line client tools" option so you can call svn commands (like svn commit and svn update) from the command line. Here's a screenshot of the "command line client tools" option in the installer, you need to m...
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Postgres: Distinct but only for one column

...h names (having more than 1 mio. rows), but I have also many duplicates. I select 3 fields: id , name , metadata . 3 Ans...
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MySQL get the date n days ago as a timestamp

... DATE_SUB will do part of it depending on what you want mysql> SELECT DATE_SUB(NOW(), INTERVAL 30 day); 2009-06-07 21:55:09 mysql> SELECT TIMESTAMP(DATE_SUB(NOW(), INTERVAL 30 day)); 2009-06-07 21:55:09 mysql> SELECT UNIX_TIMESTAMP(DATE_SUB(NOW(), INTERVAL 30 day)); 1244433347 ...
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How do I create a new class in IntelliJ without using the mouse?

...with arrow keys, then press Alt+Insert. Another useful shortcut is View | Select In (Alt+F1), Project (1), then Alt+Insert to create a class near the existing one or use arrow keys to navigate through the packages. And yet another way is to just type the class name in the existing code where you w...
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Random record in ActiveRecord

...he first, all after are still sorted by id). If you need multiple randomly selected records you must use this approach multiple times or use the random order method provided by your database, i.e. Thing.order("RANDOM()").limit(100) for 100 randomly selected entries. (Be aware that it's RANDOM() in P...
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iphone: Where the .dSYM file is located in crash report

... You can locate .dSYM and application binary file in archive. Select Window -> Organizer This will open up Organizer window containing last created Archive of project Right click on Archive and select 'Show in Finder' Select 'Show Package Content' for archive Project.xcarchive...