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What is a “Stub”?

...ent article on this subject. From that article: Meszaros uses the term Test Double as the generic term for any kind of pretend object used in place of a real object for testing purposes. The name comes from the notion of a Stunt Double in movies. (One of his aims was to avoid using any name that...
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Math functions in AngularJS bindings

...me cases will cause poor performance. That, and it's going to be harder to test. If you're doing this as part of a static form, fine. The accepted answer will work, even if it isn't easy to test, and it's hinky. If you want to be "Angular" about this: You'll want to keep any "business logic" (i.e...
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Why do we check up to the square root of a prime number to determine if it is prime?

To test whether a number is prime or not, why do we have to test whether it is divisible only up to the square root of that number? ...
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What does $$ (dollar dollar or double dollar) mean in PHP?

.... For example, if you consider this portion of code : $real_variable = 'test'; $name = 'real_variable'; echo $$name; You will get the following output : test Here : $real_variable contains test $name contains the name of your variable : 'real_variable' $$name mean "the variable thas has i...
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Should I use a class or dictionary?

...w_style class and a new_style class with slots. Here's the code i used to test it(it's a bit messy but it does the job.) import timeit class Foo(object): def __init__(self): self.foo1 = 'test' self.foo2 = 'test' self.foo3 = 'test' def create_dict(): foo_dict = ...
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switch() statement usage

...vor of switch: # Simplified to only measure the overhead of switch vs if test1 <- function(type) { switch(type, mean = 1, median = 2, trimmed = 3) } test2 <- function(type) { if (type == "mean") 1 else if (type == "median") 2 else if (type == "trimmed") 3 } syst...
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How to create Gmail filter searching for text only at start of subject line?

...lemented this feature. I created the following filter: Matches: subject:([test]) Do this: Skip Inbox And then I sent a message with the subject [test] foo And the message was archived! So it seems all that is necessary is to create a filter for the subject prefix you wish to handle. ...
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Is 'switch' faster than 'if'?

...-- note that the compiler in practice would need to insert some form of if test around the table to ensure that the input was valid in the table. Note also that it only works in the specific case that the input is a run of consecutive numbers. If the number of branches in a switch is extremely larg...
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How to copy a collection from one database to another in MongoDB

... this worked well for resetting a test mongodb from a golden copy between test runs. rather than hard coding the collection names you can do a for loop over all the collection names you want to copy with db.getCollection(name).find().forEach and supply a func...
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text-overflow: ellipsis not working

... width: 100px; display: block; overflow: hidden } <span>Test test test test test test</span> Addendum If you want an overview of techniques to do line clamping (Multiline Overflow Ellipses), look at this CSS-Tricks page: https://css-tricks.com/line-clampin/ Addendum2 ...