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SQL WHERE.. IN clause multiple columns

... or more generally SELECT * FROM table INNER JOIN otherTable ON ( table.x = otherTable.a AND table.y = otherTable.b) – ala Jul 16 '09 at 7:56 ...
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Where does the “flatmap that s***” idiomatic expression in Scala come from?

...t you can replace a lot of tedious if/then/else code you would write with calls to flatMap (and other higher order functions). This is especially true for Options (see http://tonymorris.github.io/blog/posts/scalaoption-cheat-sheet/) But it applies to other monads as well (although I have to admit...
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How to change Rails 3 server default port in develoment?

... First - do not edit anything in your gem path! It will influence all projects, and you will have a lot problems later... In your project edit script/rails this way: #!/usr/bin/env ruby # This command will automatically be run when you run "rails" with Rails 3 gems installed from the root...
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How do I uninstall nodejs installed from pkg (Mac OS X)?

I installed NodeJS from pkg file on my Mac. Now I need to uninstall it. Tell me please how to do it. I tried to remove files from this list: ...
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When should I use nil and NULL in Objective-C?

... technically, they are exactly equal, you can send messages to both nil and to NULL. Idiomatically though nil is usually used to represent an object – cobbal Oct 14 '09 at 5:43 ...
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Changing the cursor in WPF sometimes works, sometimes doesn't

...deCursor: Mouse.OverrideCursor = Cursors.Wait; try { // do stuff } finally { Mouse.OverrideCursor = null; } This overrides the cursor for your application rather than just for a part of its UI, so the problem you're describing goes away. ...
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How do I delete unpushed git commits?

I accidentally committed to the wrong branch. How do I delete that commit? 7 Answers 7...
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How do I create a MongoDB dump of my database?

...ump: $ ./mongodump --host prod.example.com connected to: prod.example.com all dbs DATABASE: log to dump/log log.errors to dump/log/errors.bson 713 objects log.analytics to dump/log/analytics.bson 234810 objects DATABASE: blog to dump/blog ...
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How to find unused images in an Xcode project?

Has anyone a one-line to find unused images in an Xcode project? (Assuming all the files are referenced by name in code or the project files - no code generated file names.) ...
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Replace \n with actual new line in Sublime Text

...sion syntax when searched. In Replace With, type: \n Click on the 'Replace All' button (Keyboard Shortcut: CTRL + Alt + Enter) Your literal text \n will then turn into an actual line break. share | ...