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Boolean Field in Oracle

Yesterday I wanted to add a boolean field to an Oracle table. However, there isn't actually a boolean data type in Oracle. Does anyone here know the best way to simulate a boolean? Googling the subject discovered several approaches ...
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How to test an SQL Update statement before running it?

In some cases, running an UPDATE statement in production can save the day. However a borked update can be worse than the initial problem. ...
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Local Storage vs Cookies

I want to reduce load times on my websites by moving all cookies into local storage since they seem to have the same functionality. Are there any pros/cons (especially performance-wise) in using local storage to replace cookie functionality except for the obvious compatibility issues? ...
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Checking if a variable is an integer

Does Rails 3 or Ruby have a built-in way to check if a variable is an integer? 11 Answers ...
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Git pre-push hooks

I would like to run a unit-tests before every git push and if tests fails, cancel the push, but I can't even find pre-push hook, there is pre-commit and pre-rebase only. ...
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How do you represent a JSON array of strings?

This is all you need for valid JSON, right? 4 Answers 4 ...
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Does JavaScript have the interface type (such as Java's 'interface')?

I'm learning how to make OOP with JavaScript . Does it have the interface concept (such as Java's interface )? 13 Answer...
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An error occurred while validating. HRESULT = '8000000A'

I have been receiving this error for a while when using devenv on an automatic build. I have gone through every website I can find, and the usual answers mention refreshing dependencies (Which I believe fixes it for manual deployment, but not for automatic) and removing the source control coding fro...
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Rounding a double to turn it into an int (java)

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How to duplicate virtualenv

I have an existing virtualenv with a lot of packages but an old version of Django. 6 Answers ...