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Make git automatically remove trailing whitespace before committing

I'm using git with my team and would like to remove whitespace changes from my diffs, logs, merges, etc. I'm assuming that the easiest way to do this would be for git to automatically remove trailing whitespace (and other whitespace errors) from all commits as they are applied. ...
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Converting a Uniform Distribution to a Normal Distribution

How can I convert a uniform distribution (as most random number generators produce, e.g. between 0.0 and 1.0) into a normal distribution? What if I want a mean and standard deviation of my choosing? ...
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Why does Ruby have both private and protected methods?

... protected methods can be called by any instance of the defining class or its subclasses. private methods can be called only from within the calling object. You cannot access another instance's private methods directly. Her...
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What is the difference between Raising Exceptions vs Throwing Exceptions in Ruby?

Ruby has two different exceptions mechanisms: Throw/Catch and Raise/Rescue. 3 Answers ...
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How to pass an array within a query string?

Is there a standard way of passing an array through a query string? 10 Answers 10 ...
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“Default Activity Not Found” on Android Studio upgrade

I upgraded IntelliJ Idea from 12.0.4 to 12.10. 73 Answers 73 ...
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map function for objects (instead of arrays)

... There is no native map to the Object object, but how about this: var myObject = { 'a': 1, 'b': 2, 'c': 3 }; Object.keys(myObject).map(function(key, index) { myObject[key] *= 2; }); console.log(myObject); // => { 'a': 2, 'b': 4,...
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MySQL Error 1093 - Can't specify target table for update in FROM clause

I have a table story_category in my database with corrupt entries. The next query returns the corrupt entries: 16 Answers...
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Difference between EXISTS and IN in SQL?

...t quicker than count. The in is best used where you have a static list to pass: select * from [table] where [field] in (1, 2, 3) When you have a table in an in statement it makes more sense to use a join, but mostly it shouldn't matter. The query optimiser should return the same plan either wa...
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How to get the body's content of an iframe in Javascript?

... The exact question is how to do it with pure JavaScript not with jQuery. But I always use the solution that can be found in jQuery's source code. It's just one line of native JavaScript. For me it's the best, easy readable and even afaik the shortest way to get t...