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Is it possible to run a single test in MiniTest?
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While the answer works and was exactly what was asked :-) The Mini-test way of running a single test is by name matching (see Mr Grimm's answer). If you've tried this and rejected it then it's time to try the none-standard alternatives - such as Nick's Gem.
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Is it better to return null or empty collection?
That's kind of a general question (but I'm using C#), what's the best way (best practice), do you return null or empty collection for a method that has a collection as a return type ?
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Why do I need to override the equals and hashCode methods in Java?
...ap, HashSet, and Hashtable.
Let's try to understand it with an example of what would happen if we override equals() without overriding hashCode() and attempt to use a Map.
Say we have a class like this and that two objects of MyClass are equal if their importantField is equal (with hashCode() and e...
Pass a PHP array to a JavaScript function [duplicate]
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What would be the disadvantage of simply writing var obj = <?php echo json_encode($php_variable); ?>;? Won't PHP encode the JSON object securely in a way that it's parsable by the script?
– YMMD
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Clone Object without reference javascript [duplicate]
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I wanted to point what is maybe not clear : you can't iterate on own properties of A like you do on obj. But I agree that, depending on what OP wants to do with his objects, this may be a solution.
– Denys Séguret
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Gradients in Internet Explorer 9
... make sense not to add the proprietory exension to your CSS, since we know what it will be. After all, IE10 is destined to become a major browser.
– thepeer
Dec 4 '11 at 12:33
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To switch from vertical split to horizontal split fast in Vim
...op the Ctrl-w t part because if you're already in one of only two windows, what's the point of making it current?
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pytest: assert almost equal
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You will have to specify what is "almost" for you:
assert abs(x-y) < 0.0001
to apply to tuples (or any sequence):
def almost_equal(x,y,threshold=0.0001):
return abs(x-y) < threshold
assert all(map(almost_equal, zip((1.32, 2.4), i_return_...
Reading Excel files from C#
...(ds, "anyNameHere");
DataTable data = ds.Tables["anyNameHere"];
This is what I usually use. It is a little different because I usually stick a AsEnumerable() at the edit of the tables:
var data = ds.Tables["anyNameHere"].AsEnumerable();
as this lets me use LINQ to search and build structs fr...
Immediate function invocation syntax
...ad I read this. I've just finished reading Javascript: The Good Parts, and what I kept thinking was that assigning the result of calling a function is really bad syntax, because you have to look at the first and last lines to understand what is happening. He doesn't use the wrapping parens in the bo...