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How do I skip an iteration of a `foreach` loop?

In Perl I can skip a foreach (or any loop) iteration with a next; command. 8 Answers ...
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How to see indexes for a database or table in MySQL?

How do I see if my database has any indexes on it? 9 Answers 9 ...
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Eclipse says: “Workspace in use or cannot be created, chose a different one.” How do I unlock a work

... Just delete the .lock file in the .metadata directory in your eclipse workspace directory. Precaution - If you delete the .metadata folder all preference will be deleted. sh...
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Why does one use dependency injection?

I'm trying to understand dependency injections (DI), and once again I failed. It just seems silly. My code is never a mess; I hardly write virtual functions and interfaces (although I do once in a blue moon) and all my configuration is magically serialized into a class using json.net (sometimes us...
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How to crop an image using C#?

How can I write an application that will crop images in C#? 14 Answers 14 ...
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How to test my servlet using JUnit

I have created a web system using Java Servlets and now want to make JUnit testing. My dataManager is just a basic piece of code that submits it to the database. How would you test a Servlet with JUnit? ...
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Finding last occurrence of substring in string, replacing that

So I have a long list of strings in the same format, and I want to find the last "." character in each one, and replace it with ". - ". I've tried using rfind, but I can't seem to utilize it properly to do this. ...
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How to create ls in windows command prompt?

I want to use ls in windows command prompt and make it run the dir command. 18 Answers ...
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Django “xxxxxx Object” display customization in admin action sidebar

I would like to change the default behavior of how the admin recent changes sidebar displays the name of "objects" added. Refer to the picture below: ...
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What is an existential type?

...l types because of the existential operator (∃). I'm not sure what the point of it is, though. What's the difference between ...