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What are enums and why are they useful?

Today I was browsing through some questions on this site and I found a mention of an enum being used in singleton pattern about purported thread safety benefits to such solution. ...
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What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?

...C++ community(particularly ##c++ on freenode) resent the use of wstrings and wchar_t , and their use in the windows api. What is exactly "wrong" with wchar_t and wstring , and if I want to support internationalization, what are some alternatives to wide characters? ...
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Recommended add-ons/plugins for Microsoft Visual Studio [closed]

...E) Source Control ReSharper - IDE enhancement that helps with refactoring and productivity CodeRush - Code gen macros on steroids Refactor - Code refactoring aid CodeMaid (FREE) - Code cleanup, organization and complexity analysis CodeSmith - Code Generator GhostDoc - (FREE) Simple code commen...
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Recommended date format for REST GET API

...ed date format. Really it boils down to what works best for your end user and your system. Personally, I would want to stick to a standard like you have for ISO 8601 (url encoded). If not having ugly URI is a concern (e.g. not including the url encoded version of :, -, in you URI) and (human) ...
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How do you pass custom environment variable on Amazon Elastic Beanstalk (AWS EBS)?

...anyone who uses the .ebextensions/*.config way: nowadays you can add, edit and remove environment variables in the Elastic Beanstalk web interface. The variables are under Configuration → Software Configuration: Creating the vars in .ebextensions like in Onema's answer still works. It can eve...
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What does this thread join code mean?

In this code, what does the two joins and break mean? t1.join() causes t2 to stop until t1 terminates? 10 Answers ...
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Round to 5 (or other number) in Python

... I don't know of a standard function in Python, but this works for me: Python 2 def myround(x, base=5): return int(base * round(float(x)/base)) Python3 def myround(x, base=5): return base * round(x/base) It is easy to see why the a...
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python generator “send” function purpose?

... function associated with Python generator function exists? I fully understand the yield function. However, the send function is confusing to me. The documentation on this method is convoluted: ...
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What is Ember RunLoop and how does it work?

I am trying to understand how Ember RunLoop works and what makes it tick. I have looked at the documentation , but still have many questions about it. I am interested in understanding better how RunLoop works so I can choose appropriate method within its name space, when I have to defer execution o...
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Password hint font in Android

...rent solutions, the second of which has better behavior for me: 1) Remove android:inputType="textPassword" from your xml file and instead, in set it in java: EditText password = (EditText) findViewById(R.id.password_text); password.setTransformationMethod(new PasswordTransformationMethod()); Wit...