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How to run functions in parallel?

I researched first and couldn't find an answer to my question. I am trying to run multiple functions in parallel in Python. ...
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When to use a “has_many :through” relation in Rails?

I am trying to understand what has_many :through is and when to use it (and how). However, I am not getting it. I am reading Beginning Rails 3 and I tried Googling, but I am not able to understand. ...
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Why should I care about lightweight vs. annotated tags?

I switched from Subversion to Git as my day-to-day VCS last year and am still trying to grasp the finer points of "Git-think". ...
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Why both no-cache and no-store should be used in HTTP response?

I'm told to prevent user-info leaking, only "no-cache" in response is not enough. "no-store" is also necessary. 11 Answers ...
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Difference between 'python setup.py install' and 'pip install'

I have an external package I want to install into my python virtualenv from a tar file. What is the best way to install the package? ...
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What is the use for Task.FromResult in C#

In C# and TPL ( Task Parallel Library ), the Task class represents an ongoing work that produces a value of type T. 6 Ans...
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Parse a .py file, read the AST, modify it, then write back the modified source code

I want to programmatically edit python source code. Basically I want to read a .py file, generate the AST , and then write back the modified python source code (i.e. another .py file). ...
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Why is char[] preferred over String for passwords?

In Swing, the password field has a getPassword() (returns char[] ) method instead of the usual getText() (returns String ) method. Similarly, I have come across a suggestion not to use String to handle passwords. ...
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UICollectionView inside a UITableViewCell — dynamic height?

One of our application screens requires us to place a UICollectionView inside of a UITableViewCell . This UICollectionView will have a dynamic number of items, resulting in a height which must be calculated dynamically as well. However, I am running into problems trying to calculate the heigh...
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Getting the last element of a list

In Python, how do you get the last element of a list? 12 Answers 12 ...