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What is difference between functional and imperative programming languages?
...mes in the transformation. If you refactor through a pure method, you can call your pure method at will without worrying about side effects.
Easier testing and debugging. Because pure functions can more easily be tested in isolation, you can write test code that calls the pure function with typica...
What does the unary plus operator do?
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It's there to be overloaded if you feel the need; for all predefined types it's essentially a no-op.
The practical uses of a no-op unary arithmetic operator are pretty limited, and tend to relate to the consequences of using a value in an arithmetic expression, rather than the ...
Git push existing repo to a new and different remote repo server?
... the more "official" repo on fedorahosted.
What would be the steps to initially copy that over?
Within github there is this nice "fork" button, but I can't use this for obvious reasons.
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Change select box option background color
...ound color of the options when the select box has been clicked and shows all the options.
10 Answers
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How do you force Visual Studio to regenerate the .designer files for aspx/ascx files?
...s only worked for me after closing down every instance (even those with totally different solutions) of VS2008
– Kevin
Feb 18 '10 at 17:50
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How dangerous is it to access an array out of bounds?
... repeatedly accessing a single memory location in a tight loop could literally cause that chunk of memory to melt. Other possibilities include destroying a CRT display, and moving the read/write head of a disk drive with the harmonic frequency of the drive cabinet, causing it to walk across a table...
Cast List to List
...List<Apple>();
List<IFruit> fruit = apples; // Fortunately not allowed
fruit.Add(new Banana());
// Eek - it's a banana!
Apple apple = apples[0];
Now you can convert a List<Apple> to an IEnumerable<IFruit> in .NET 4 / C# 4 due to covariance, but if you want a List<IFruit...
How to view corresponding SQL query of the Django ORM's queryset?
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You also can use python logging to log all queries generated by Django. Just add this to your settings file.
LOGGING = {
'disable_existing_loggers': False,
'version': 1,
'handlers': {
'console': {
# logging handler that outputs log...
cannot download, $GOPATH not set
I want to install json2csv using go get github.com/jehiah/json2csv but I receive this error:
15 Answers
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Multiple Inheritance in C#
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@MrHappy: Very interesting article. I've actually investigated some way of Trait Composition for C#, take a look.
– Jordão
Mar 3 '12 at 3:32
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