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How do I watch a file for changes?
...://timgolden.me.uk/python/win32_how_do_i/watch_directory_for_changes.html? If you only need it to work under Windows the 2nd example seems to be exactly what you want (if you exchange the path of the directory with the one of the file you want to watch).
Otherwise, polling will probably be the onl...
Checking if a string is empty or null in Java [duplicate]
... to check for null or empty or string containing only spaces is like this:
if(str != null && !str.trim().isEmpty()) { /* do your stuffs here */ }
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How do I tell matplotlib that I am done with a plot?
...t tutorial does mention clf() in the "multiple figures" section. Note that if you just create a new plot with figure() without closing the old one with close() (even if you close the GUI window), pyplot retains a reference to your old figure, which may look like a memory leak.
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How to sort a list in Scala by two fields?
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what if we want to reverse sort on lastName and then natural sort on firstName?
– Sachin K
Jun 18 '14 at 9:19
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Getting error: Peer authentication failed for user “postgres”, when trying to get pgsql working with
...:
local all postgres md5
* If you can't find this file, running locate pg_hba.conf should show you where the file is.
After altering this file, don't forget to restart your PostgreSQL server. If you're on Linux, that would be sudo service postgresql r...
Is there a reason that Swift array assignment is inconsistent (neither a reference nor a deep copy)?
...g only takes place when you perform an action that has the potential to modify the length of the array. This includes appending, inserting, or removing items, or using a ranged subscript to replace a range of items in the array.
I agree that this is a bit confusing, but at least there is a clear a...
Do python projects need a MANIFEST.in, and what should be in it?
...d) tells me to include doc/txt files and .py files are excluded in MANIFEST.in file
2 Answers
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How can I split and parse a string in Python?
...]: ['2.7.0', 'bf4fda703454']
This splits the string at every underscore. If you want it to stop after the first split, use "2.7.0_bf4fda703454".split("_", 1).
If you know for a fact that the string contains an underscore, you can even unpack the LHS and RHS into separate variables:
In [8]: lhs, ...
What is the difference between a dialog being dismissed or canceled in Android?
Like the title says, what is the difference between a dialog being dismissed or canceled in Android?
4 Answers
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Extracting substrings in Go
...confused by the working of slices and the string storage format, which is different from what you have in C.
any slice in Go stores the length (in bytes), so you don't have to care about the cost of the len operation : there is no need to count
Go strings aren't null terminated, so you don't have ...