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correct way to use super (argument passing)

... Shouldn't Base call super(Base, self).__init__()? – cha0site Jan 23 '12 at 14:47 4 ...
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In which case do you use the JPA @JoinTable annotation?

... project_id name name task_id The Project_Tasks table is called a "Join Table". To implement this second solution in JPA you need to use the @JoinTable annotation. For example, in order to implement a uni-directional one-to-many association, we can define our entities as such: Proj...
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What is the difference between .*? and .* regular expressions?

...nsider the input 101000000000100. Using 1.*1, * is greedy - it will match all the way to the end, and then backtrack until it can match 1, leaving you with 1010000000001. .*? is non-greedy. * will match nothing, but then will try to match extra characters until it matches 1, eventually matching 101...
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How to get instance variables in Python?

Is there a built-in method in Python to get an array of all a class' instance variables? For example, if I have this code: ...
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Stop pip from failing on single package when installing with requirements.txt

I am installing packages from requirements.txt 6 Answers 6 ...
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How to 'minify' Javascript code

...=(a+1).toString() } var i=new Array; return i[0]=e,i[1]=t,i } But are all those vars , ifs, loops & definitions necessary? Most of the time NO ! Remove unnecessary if,loop,var Keep a copy of your original code Use the minifier OPTIONAL (increases the performance & shorter code) u...
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Correct way to check if a type is Nullable [duplicate]

... answered Jan 20 '12 at 10:32 VS1VS1 7,36833 gold badges3030 silver badges5858 bronze badges ...
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Why doesn't await on Task.WhenAll throw an AggregateException?

... been some changes to exception handling, but the newest docs for Task.WhenAll state "If any of the supplied tasks completes in a faulted state, the returned task will also complete in a Faulted state, where its exceptions will contain the aggregation of the set of unwrapped exceptions from each of ...
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How to execute Python scripts in Windows?

...T\.py\OpenWithProgids being set to something VisualStudio related, specifically when I try to run Python scripts in my AppVeyor tests. See help.appveyor.com/discussions/problems/…. – Jack O'Connor Dec 21 '15 at 20:07 ...
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Logical operators for boolean indexing in Pandas

...Error: The truth value of an array is ambiguous. Use a.empty, a.any() or a.all(). when used as a boolean value. That's because its unclear when it should be True or False. Some users might assume they are True if they have non-zero length, like a Python list. Others might desire for it to be True ...