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No tests found with test runner 'JUnit 4'
...olved it by renaming one of the test methods to start with "test..." (JUnit3 style) and then all tests are found. I renamed it back to what it was previously, and it still works.
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vertical-align with Bootstrap 3
I'm using Twitter Bootstrap 3, and I have problems when I want to align vertically two div , for example — JSFiddle link :
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What is the equivalent of MATLAB's repmat in NumPy
...h multiple dimensions and gives a similar result to matlab. (Numpy gives a 3d output array as you would expect - matlab for some reason gives 2d output - but the content is the same).
Matlab:
>> repmat([1;1],[1,1,1])
ans =
1
1
Python:
In [46]: a = np.array([[1],[1]])
In [47]: n...
Check if value exists in Postgres array
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337
Simpler with the ANY construct:
SELECT value_variable = ANY ('{1,2,3}'::int[])
The right op...
When to use ' (or quote) in Lisp?
... passed to it are evaluated. This means you can write this:
(* (+ a 2)
3)
Which in turn evaluates (+ a 2), by evaluating a and 2. The value of the symbol a is looked up in the current variable binding set, and then replaced. Say a is currently bound to the value 3:
(let ((a 3))
(* (+ a 2)
...
Get the length of a String
...alMenagerie = "Koala 🐨, Snail 🐌, Penguin 🐧, Dromedary 🐪"
println("unusualMenagerie has \(count(unusualMenagerie)) characters")
// prints "unusualMenagerie has 40 characters"
right from the Apple Swift Guide
(note, for versions of Swift earlier than ...
Why do I need Transaction in Hibernate for read-only operations?
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131
You might actually have reasons to mark transactions as read-only.
Transactions for reading m...
Syntax behind sorted(key=lambda: …)
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Gaurang Tandon
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answered Jan 23 '12 at 2:26
EvanEvan
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How do you set EditText to only accept numeric values in Android?
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edited Jul 17 at 2:33
Josh Correia
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answere...
Python list subtraction operation
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346
Use a list comprehension:
[item for item in x if item not in y]
If you want to use the - in...