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Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign

I make an outer join and executed successfully in the informix database but I get the following exception in my code: 24 ...
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Importing a Maven project into Eclipse from Git

How can I get the effect of choosing to import from both Maven and Git and have Eclipse properly generate my project? 13 A...
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Choosing a stand-alone full-text search server: Sphinx or SOLR? [closed]

I'm looking for a stand-alone full-text search server with the following properties: 5 Answers ...
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Are global variables bad? [closed]

..., it becomes increasingly hard to figure out which functions actually read and write these variables. To understand how the application works, you pretty much have to take into account every function which modifies the global state. That can be done, but as the application grows it will get harder...
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Why remove unused using directives in C#?

...me. Static analysis is slower. Code compilation is slower. On the other hand, there aren't many reasons to leave them in. I suppose you save yourself the effort of having to delete them. But if you're that lazy, you've got bigger problems! ...
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How to work with Git branches and Rails migrations

I am working on a rails app with quite a few git branches and many of them include db migrations. We try to be careful but occasionally some piece of code in master asks for a column that got removed/renamed in another branch. ...
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What is the difference between buffer and cache memory in Linux?

...ear what's the difference between the two Linux memory concepts : buffer and cache . I've read through this post and it seems to me that the difference between them is the expiration policy: ...
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Is there any difference between a GUID and a UUID?

I see these 2 acronyms thrown around, and I was wondering if there are any differences between a GUID and a UUID? 6 Answers...
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Should I choose ActivePerl or Strawberry Perl for Windows? [duplicate]

... access to almost all useful Perl modules available on CPAN - but prepared and tested for Windows. This was for me, in the long run, a much better (and more robust) choice. Even for the Windows version of the Apache HTTP server, there is a precompiled mod_perl (2.0.4) ppm available which will (did f...
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How to create an installer for a .net Windows Service using Visual Studio

...click your services .cs file. It should bring up a screen that is all gray and talks about dragging stuff from the toolbox. Then right click on the gray area and select add installer. This will add an installer project file to your project. Then you will have 2 components on the design view of the P...