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log4net vs. Nlog

... direct dependencies. If we end up using Enterprise Library for other facilities, then use it for Logging, too. If we end up using something with a dependency on Log4Net, use Log4Net. If none of the above, use NLog. Which I'd prefer. That's based on these findings (opinions!): All 3 frameworks a...
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Can you nest html forms?

Is it possible to nest html forms like this 20 Answers 20 ...
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How to pass a view's onClick event to its parent on Android?

... the TextView's text is set to Spanned from HTML. Then I set the TextView with the LinkMovementMethod. 7 Answers ...
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Why prefer two's complement over sign-and-magnitude for signed numbers?

...n order to represent -1 in binary, two's complement is used: flipping the bits and adding 1? 18 Answers ...
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TypeError: 'NoneType' object is not iterable in Python

What does error TypeError: 'NoneType' object is not iterable mean? 7 Answers 7 ...
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How to know if an object has an attribute in Python

... Try hasattr(): if hasattr(a, 'property'): a.property EDIT: See zweiterlinde's answer below, who offers good advice about asking forgiveness! A very pythonic approach! The general practice in python is that, if the property is likely to be there most of the time, simply call it ...
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When do you use map vs flatMap in RxJava?

...to transform your json to an object, using map should be enough. Dealing with the FileNotFoundException is another problem (using map or flatmap wouldn't solve this issue). To solve your Exception problem, just throw it with a Non checked exception : RX will call the onError handler for you. Obse...
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Should __init__() call the parent class's __init__()?

... In Python, calling the super-class' __init__ is optional. If you call it, it is then also optional whether to use the super identifier, or whether to explicitly name the super class: object.__init__(self) In case of object, calling the super method is not strict...
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How does Access-Control-Allow-Origin header work?

Apparently, I have completely misunderstood its semantics. I thought of something like this: 16 Answers ...
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Makefiles with source files in different directories

... The traditional way is to have a Makefile in each of the subdirectories (part1, part2, etc.) allowing you to build them independently. Further, have a Makefile in the root directory of the project which builds everything. The "root"...