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How to import multiple .csv files at once?

...ariables but each from different times. Is there a way in R to import them all simultaneously rather than having to import them all individually? ...
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What is the best way to call a script from another script?

...s, methods, etc. I have another script which runs as a service. I want to call test1.py from the script running as a service. ...
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Python unittest - opposite of assertRaises?

...the correct solution in fact. The solution proposed by user9876 is conceptually flawed: if you test for the non-raising of say ValueError, but ValueError is instead raised, your test must exit with a failure condition, not an error one. On the other hand, if in running the same code you would raise ...
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Code Golf: Lasers

...is sitting on top of now. Since the laser emitter is to be treated like a wall, set this to be a wall to begin with. if (tr/v<^/>v</) { my $o; $o .= "\n" while s/.$/$o .= $&, ""/meg; tr,/\\,\\/, for $o, $s; $_ = $o; } If the laser beam is pointing any way except right, rotate...
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Define css class in django Forms

... The only sane solution, I must say. Thank you!. Python code, and especially in form's definition, is the last place to put stuff for styling - these definitely belong to the templates. – Boris Chervenkov Nov 12 '11 at 23:09 ...
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How do I concatenate or merge arrays in Swift?

...ith Sequence's flatMap(_:) method Swift provides a flatMap(_:) method for all types that conform to Sequence protocol (including Array). flatMap(_:) has the following declaration: Returns an array containing the concatenated results of calling the given transformation with each element of this ...
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Check if OneToOneField is None in Django

... Thank you for this solution. Unfortunately, this doesn't work all the time. In case you want to work with select_related() now or in the future -- or maybe even to be sure you also handle other sorts of magic which may happen elsewhere -- you have to extend the test as follows: if hasat...
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Complete Working Sample of the Gmail Three-Fragment Animation Scenario?

...at I'll refer to as "the Gmail three-fragment animation" scenario. Specifically, we want to start with two fragments, like this: ...
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Creating a dynamic choice field

...ted May 27 '16 at 18:04 Tim Tisdall 8,27033 gold badges4141 silver badges6767 bronze badges answered Aug 6 '10 at 2:17 ...
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Multiple variables in a 'with' statement?

...textlib.nested, this guarantees that a and b will have their __exit__()'s called even if C() or it's __enter__() method raises an exception. You can also use earlier variables in later definitions (h/t Ahmad below): with A() as a, B(a) as b, C(a, b) as c: doSomething(a, c) ...