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How do I control how Emacs makes backup files?

Emacs puts backup files named foo~ everywhere and I don't like having to remember to delete them. Also, if I edit a file that has a hard link somewhere else in the file system, the hard link points to the backup when I'm done editing, and that's confusing and awful. How can I either eliminate th...
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What is the difference between ng-if and ng-show/ng-hide

I'm trying to understand the difference between ng-if and ng-show / ng-hide , but they look the same to me. 12 Answers ...
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How do you count the number of occurrences of a certain substring in a SQL varchar?

...alues formatted like a,b,c,d. Is there a way to count the number of commas in that value in T-SQL? 20 Answers ...
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Variable length (Dynamic) Arrays in Java

I was wondering how to initialise an integer array such that it's size and values change through out the execution of my program, any suggestions? ...
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How do you pass multiple enum values in C#?

Sometimes when reading others' C# code I see a method that will accept multiple enum values in a single parameter. I always thought it was kind of neat, but never looked into it. ...
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Pros and cons of Java rules engines [closed]

What are the pros and cons to adopting the Java rules engines JESS and Drools ? Are there any other players? 5 Answers ...
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Is it possible to set UIView border properties from interface builder?

... control UIView border properties (color, thickness, etc...) directly from interface builder or I can only do it programmatically? ...
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How to count TRUE values in a logical vector

In R, what is the most efficient/idiomatic way to count the number of TRUE values in a logical vector? I can think of two ways: ...
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Array.push() if does not exist?

How can I push into an array if neither values exist? Here is my array: 23 Answers 23 ...
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Get all object attributes in Python? [duplicate]

Is there a way to get all attributes/methods/fields/etc. of an object in Python? 4 Answers ...