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Cookies vs. sessions

I started using PHP a couple of months ago. For the sake of creating a login system for my website, I read about cookies and sessions and their differences (cookies are stored in the user's browser and sessions on the server). At that time, I preferred cookies (and who does not like cookies?!) and j...
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How are people unit testing with Entity Framework 6, should you bother?

I am just starting out with Unit testings and TDD in general. I have dabbled before but now I am determined to add it to my workflow and write better software. ...
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CASCADE DELETE just once

I have a Postgresql database on which I want to do a few cascading deletes. However, the tables aren't set up with the ON DELETE CASCADE rule. Is there any way I can perform a delete and tell Postgresql to cascade it just this once? Something equivalent to ...
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Is “IF” expensive?

I can't, for the life of me, remember what exactly our teacher said that day and I'm hoping you would probably know. 16 Ans...
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Difference between static memory allocation and dynamic memory allocation

I would like to know what is the difference between static memory allocation and dynamic memory allocation? 7 Answers ...
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SQLite error 'attempt to write a readonly database' during insert?

I have a SQLite database that I am using for a website. The problem is that when I try to INSERT INTO it, I get a PDOException ...
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Action bar navigation modes are deprecated in Android L

Taking a look at the API diff report for the Android "L" preview, I see that all methods related to navigation modes in the ActionBar class (such as setNavigationMode() , addTab() , selectTab() , &c). are now deprecated. ...
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How can I copy the content of a branch to a new local branch?

I have worked on a local branch and also pushed the changes to remote. I want to revert the changes on that branch and do something else on it, but I don't want to lose the work completely. I was thinking of something like create a new branch locally and copy the old branch there, then I can revert ...
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How to get the index of a maximum element in a numpy array along one axis

I have a 2 dimensional NumPy array. I know how to get the maximum values over axes: 4 Answers ...
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How to convert a factor to integer\numeric without loss of information?

When I convert a factor to a numeric or integer, I get the underlying level codes, not the values as numbers. 10 Answers ...