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In Python, what happens when you import inside of a function? [duplicate]
...every time the function is run?
No; or rather, Python modules are essentially cached every time they are imported, so importing a second (or third, or fourth...) time doesn't actually force them to go through the whole import process again. 1
Does it import once at the beginning whether or not...
How do I get indices of N maximum values in a NumPy array?
...t been able to find one.
If this solution turns out to be too slow (especially for small n), it may be worth looking at coding something up in Cython.
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Eclipse cannot load SWT libraries
... I get an Unsatisfied Link Error and it will not open. I have recently installed the java JDK and Android SDK, could this be the problem? I followed this tutorial .
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How to chain scope queries with OR instead of AND?
...nts.reduce(:and) }.reduce(:or))\
.tap {|sc| sc.bind_values = [a, b].map(&:bind_values) }
Old answer
requires no 3rd party gems
Person.where(
Person.where(:name => "John").where(:lastname => "Smith")
.where_values.reduce(:or)
)
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Best way to check if object exists in Entity Framework?
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hi. how can we check if it exists and after that select all its data?
– virtouso
Apr 7 '15 at 1:27
1
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Why do Java programmers like to name a variable “clazz”? [closed]
...nvention ? I think 'clazz' is not even an English word , has no meaning at all , how can so many programmers name a wrong name coincidentally ?
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Import package.* vs import package.SpecificType [duplicate]
...ld it suppose any difference regarding overhead to write an import loading all the types within one package ( import java.* ); than just a specific type (i.e. import java.lang.ClassLoader )? Would the second one be a more advisable way to use than the other one?
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How to iterate through all git branches using bash script
How can I iterate through all the local branches in my repository using bash script.
I need to iterate and check is there any difference between the branch and some remote branches.
Ex
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An invalid form control with name='' is not focusable
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This problem may arise when a page is built & tested with a browser that doesn't support clientside validation or doesn't prevent the form submission (see Safari). The next developer or user with a browser that actually prevents form submission on clientside errors ...
How to find the Number of CPU Cores via .NET/C#?
...sical processors
Number of cores
Number of logical processors.
These can all be different; in the case of a machine with 2 dual-core hyper-threading-enabled processors, there are 2 physical processors, 4 cores, and 8 logical processors.
The number of logical processors is available through the En...