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How to check permissions of a specific directory?
I know that using ls -l "directory/directory/filename" tells me the permissions of a file. How do I do the same on a directory?
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What is the best way to count “find” results?
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How to generate random SHA1 hash to use as ID in node.js?
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Quick easy way to migrate SQLite3 to MySQL? [closed]
...sions and you sorta kinda get something that works for your particular dataset but you have no idea if it's imported the data correctly or not. I'm seriously surprised nobody's built a solid library that can convert between the two.
Here a list of ALL the differences in SQL syntax that I know about ...
Format a datetime into a string with milliseconds
...(datetime.datetime.utcnow()) being called in each iteration of the test vs setting it once?
– Austin Marshall
Sep 28 '11 at 22:10
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sed one-liner to convert all uppercase to lowercase?
I have a textfile in which some words are printed in ALL CAPS. I want to be able to just convert everything in the textfile to lowercase, using sed . That means that the first sentence would then read, 'i have a textfile in which some words are printed in all caps.'
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Constructors in Go
... if a zero value of your type is usable or not (in which case it has to be set up by one of the New... functions. (For the "traditionalist" oops: Someone who does not read the documentation won't be able to use your types properly, even if he cannot create objects in undefined states.)
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warning about too many open figures
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What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
... 27
# name one
Both idioms can be mixed with normal arguments to allow a set of fixed and some variable arguments:
def foo(kind, *args, **kwargs):
pass
It is also possible to use this the other way around:
def foo(a, b, c):
print(a, b, c)
obj = {'b':10, 'c':'lee'}
foo(100,**obj)
# 100...
How do I temporarily disable triggers in PostgreSQL?
... to disable all triggers, not just those on the USER table, you can use:
SET session_replication_role = replica;
This disables triggers for the current session.
To re-enable for the same session:
SET session_replication_role = DEFAULT;
Source: http://koo.fi/blog/2013/01/08/disable-postgresql...