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What is __main__.py?
...cuted when the zip file in run. For example, if the zip file was as such:
test.zip
__main__.py
and the contents of __main__.py was
import sys
print "hello %s" % sys.argv[1]
Then if we were to run python test.zip world we would get hello world out.
So the __main__.py file run when python...
How to resize an image with OpenCV2.0 and Python2.6
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@gizzmole Interesting insight. I did not test the efficiency of the implementations, nor compared the results - so the end result may also differ slightly. Did you test to see the resized images match bitwise?
– emem
May 15 '17...
What are the pros and cons to keeping SQL in Stored Procs versus Code [closed]
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your level of difficulty increases as your query grows in complexity
and testing an inline query requires building the project
Think of Stored Procs as methods you call from the database object - they are much easier to reuse, there is only one place to edit and in the event that you do change D...
How to specify function types for void (not Void) methods in Java8?
...sing a static method reference, in your case by doing:
myForEach(theList, Test::displayInt);
Ultimately, you could even get rid of your myForEach method altogether and simply do:
theList.forEach(Test::displayInt);
About Functions as First Class Citizens
All been said, the truth is that Java 8...
Is there a way to pass optional parameters to a function?
... This appears to show how to use optional parameters, but not how to test if one is passed,which is what the OP is asking.
– Mawg says reinstate Monica
Mar 7 '16 at 10:38
4
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How to backup a local Git repository?
...re in git config (eg. only keep 3 backups for a repo - like rotate...)
# - TESTING
# allow calling from other scripts
def git_backup
# constants:
git_dir_name = '.git' # just to avoid magic "strings"
filename_suffix = ".git.bundle" # will be added to the filename of the created ba...
Best Practice for Exception Handling in a Windows Forms Application?
...s which might be thrown have a performance hit compared with pre-emptively testing things like whether a file on disk exists?"
The naive rule of thumb is "try/catch blocks are expensive." That's not actually true. Trying isn't expensive. It's the catching, where the system has to create an Excep...
How can I split up a Git commit buried in history?
...to re-use the original commit message for a certain commit.
If you want to test what you're committing (good idea!) use git stash to hide away the part you haven't committed (or stash --keep-index before you even commit it), test, then git stash pop to return the rest to the work tree. Keep making c...
What exactly are iterator, iterable, and iteration?
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Note that collections.abc.AsyncIterator tests for __aiter__ and __anext__ methods. This is a new addition in 3.6.
– Janus Troelsen
Jul 27 '18 at 9:33
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In C#, why is String a reference type that behaves like a value type?
...so is not a useful short-cut. Checking for ReferenceEquals(x, y) is a fast test and you can return 0 immediately, and when mixed in with your null-test doesn't even add any more work.
– Jon Hanna
Aug 3 '12 at 11:38
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