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How can I add an empty directory to a Git repository?

How can I add an empty directory (that contains no files) to a Git repository? 35 Answers ...
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How do I write good/correct package __init__.py files

...- it helps guide import statements without automatically importing modules http://docs.python.org/tutorial/modules.html#importing-from-a-package using __all__ and import * is redundant, only __all__ is needed I think one of the most powerful reasons to use import * in an __init__.py to import pack...
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Why can Java Collections not directly store Primitives types?

... progress in this space in the JDK possibly in Java 10 based on this JEP - http://openjdk.java.net/jeps/218. If you want to avoid boxing primitives in collections today, there are several third party alternatives. In addition to the previously mentioned third party options there is also Eclipse Co...
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Why java.util.Optional is not Serializable, how to serialize the object with such fields

The Enum class is Serializable so there is no problem to serialize object with enums. The other case is where class has fields of java.util.Optional class. In this case the following exception is thrown: java.io.NotSerializableException: java.util.Optional ...
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In C#, What is a monad?

There is a lot of talk about monads these days. I have read a few articles / blog posts, but I can't go far enough with their examples to fully grasp the concept. The reason is that monads are a functional language concept, and thus the examples are in languages I haven't worked with (since I haven'...
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ruby inheritance vs mixins

In Ruby, since you can include multiple mixins but only extend one class, it seems like mixins would be preferred over inheritance. ...
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Seeking clarification on apparent contradictions regarding weakly typed languages

I think I understand strong typing , but every time I look for examples for what is weak typing I end up finding examples of programming languages that simply coerce/convert types automatically. ...
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How do you tell Resharper that a method parameter is a string containing a CSS class?

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Disabling browser print options (headers, footers, margins) from page?

...enables some formatting that applies only to paged media (like paper). See http://www.w3.org/TR/1998/REC-CSS2-19980512/page.html. Downside is that behavior in different browsers is not consistent. Safari still does not support setting printer page margin at all, but all the other major browsers now ...
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How to create a directory using nerdtree

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