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Origin is not allowed by Access-Control-Allow-Origin

I'm making an Ajax.request to a remote PHP server in a Sencha Touch 2 application (wrapped in PhoneGap ). 18 Answers ...
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How can I use “puts” to the console without a line break in ruby on rails?

I have a method which goes through a loop -- I want it to output a "." each loop so I can see it in the console. however, it puts a linebreak at the end of each when I use puts "." . ...
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How to use C++ in Go

In the new Go language, how do I call C++ code? In other words, how can I wrap my C++ classes and use them in Go? 12 Answ...
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How should I validate an e-mail address?

What's a good technique for validating an e-mail address (e.g. from a user input field) in Android? org.apache.commons.validator.routines.EmailValidator doesn't seem to be available. Are there any other libraries doing this which are included in Android already or would I have to use RegExp? ...
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How to run test methods in specific order in JUnit4?

I want to execute test methods which are annotated by @Test in specific order. 18 Answers ...
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Recommended SQL database design for tags or tagging [closed]

I've heard of a few ways to implement tagging; using a mapping table between TagID and ItemID (makes sense to me, but does it scale?), adding a fixed number of possible TagID columns to ItemID (seems like a bad idea), Keeping tags in a text column that's comma separated (sounds crazy but could work)...
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Flatten List in LINQ

I have a LINQ query which returns IEnumerable<List<int>> but i want to return only List<int> so i want to merge all my record in my IEnumerable<List<int>> to only one array. ...
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How to use LINQ to select object with minimum or maximum property value

I have a Person object with a Nullable DateOfBirth property. Is there a way to use LINQ to query a list of Person objects for the one with the earliest/smallest DateOfBirth value. ...
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git: How to diff changed files versus previous versions after a pull?

When I run "git pull" I often want to know what changed between the last version of a file and the new one. Say I want to know what someone else committed to a particular file. ...
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How to test which port MySQL is running on and whether it can be connected to?

I have installed MySQL and even logged in there as a user. 13 Answers 13 ...