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Rails and PostgreSQL: Role postgres does not exist
I have installed PostgreSQL on my Mac OS Lion, and am working on a rails app. I use RVM to keep everything separate from my other Rails apps.
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What's the best three-way merge tool? [closed]
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KDiff3
open source, cross platform
Same interface for Linux and Windows, very smart algorithm for solving conflicts, regular expressions for automatically solving conflicts, integrate with ClearCase, SVN, Git, MS Visual Studio, editable merged fi...
How to add MVC5 to Visual Studio 2013?
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Once I've created a new ASP.NEt Web Application and choose MVC and WEB API - it didn't ask me which MVC version to use. How do I know if right now I'm working under MVC 4 or 5?
– developer82
Jan 13 '14 at 17:05
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Eclipse executable launcher error: Unable to locate companion shared library
...y allocation, run Eclipse, install necessary plugins and features.
And almost all of the important preferences are in your workspace. The only important one I can think of outside of the workspace is the aforementioned memory allocation, which you can set on the command line or in the ECLIPSE.INI f...
How to get .app file of a xcode application
...pane), expand the group "Products" and right-click on the .app file and choose "show in finder". There it is!
– Sufian
Jan 14 '13 at 12:01
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What is the documents directory (NSDocumentDirectory)?
Can someone explain to me what the documents directory is on an iOS app and when to use it?
9 Answers
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iPhone UITextField - Change placeholder text color
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Since the introduction of attributed strings in UIViews in iOS 6, it's possible to assign a color to the placeholder text like this:
if ([textField respondsToSelector:@selector(setAttributedPlaceholder:)]) {
UIColor *color = [UIColor blackColor];
textField.attributedPlaceholder =...
bash: pip: command not found
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The link that @PaigeLo posted seems to lead to a random page that made my Safari freeze...would not recommend doing that
– covfefe
Oct 8 '15 at 20:19
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Visual Studio “Could not copy” … during build
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I have encountered similar error messages in Visual Studio 2013.
Mostly, I have found that this situation has occurred when a debug process was halted because of an exception.
When clean+build has not resolved this problem for me, I have had success by doing the following:
Closing Visual...
How to customize the background color of a UITableViewCell?
...the cell's contentView to your color. If you use accessories (such as disclosure arrows, etc), they'll show up as white, so you may need to roll custom versions of those.
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