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Finding duplicate values in MySQL

I have a table with a varchar column, and I would like to find all the records that have duplicate values in this column. What is the best query I can use to find the duplicates? ...
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Can anonymous class implement interface?

Is it possible to have an anonymous type implement an interface? 9 Answers 9 ...
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Set “Homepage” in Asp.Net MVC

In asp.net MVC the "homepage" (ie the route that displays when hitting www.foo.com) is set to Home/Index . 8 Answers ...
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Overriding id on create in ActiveRecord

Is there any way of overriding a model's id value on create? Something like: 13 Answers ...
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Libraries do not get added to APK anymore after upgrade to ADT 22

I have a rather big Android App project that is referencing several library projects. Everything was fine until i upgraded the eclipse ADT plugin to the newest version (v22). I also upgraded the SDK of course. I do not see any compile errors in eclipse, but when i run the project on the phone i get ...
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What is “android:allowBackup”?

Since the new ADT preview version (version 21) , they have a new lint warning that tells me the next thing on the manifest file (in the application tag): ...
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How to check that an object is empty in PHP?

How to find if an object is empty or not in PHP. 11 Answers 11 ...
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How do I create a new GitHub repo from a branch in an existing repo?

I have master and new-project branches. And now I'd like to create a brand new repo with its master based on the new-project branch. ...
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How to set environment variables in Jenkins?

I would like to be able to do something like: 14 Answers 14 ...
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Why do people still use primitive types in Java?

Since Java 5, we've had boxing/unboxing of primitive types so that int is wrapped to be java.lang.Integer , and so and and so forth. ...