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How to print third column to last column?
...simpler solution: cut -f 3- INPUTFILE just add the correct delimiter (-d) and you got the same effect.
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Get full path of the files in PowerShell
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This is true. A caveat: this command actually gets files like *.txt* (-Filter uses CMD wildcards). If this is not what you want then use -Include *.txt.
– Roman Kuzmin
Oct 30 '12 at 6:14
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How to pass command line arguments to a shell alias? [duplicate]
How do I pass the command line arguments to an alias? Here is a sample:
11 Answers
11
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Update multiple rows in same query using PostgreSQL
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You can also use update ... from syntax and use a mapping table. If you want to update more than one column, it's much more generalizable:
update test as t set
column_a = c.column_a
from (values
('123', 1),
('345', 2)
) as c(column_b, column_a)
wher...
Is there a way to cache GitHub credentials for pushing commits?
...chronizing my repositories to https:// on GitHub (due to firewall issues), and it asks for a password every time.
24 Answer...
Is inline assembly language slower than native C++ code?
I tried to compare the performance of inline assembly language and C++ code, so I wrote a function that add two arrays of size 2000 for 100000 times. Here's the code:
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Google Maps: how to get country, state/province/region, city given a lat/long value?
...e. I need to store this information in a manner that hierarchy is preserve and without duplicates (e.g. "USA" and "United States" and "United States of America" are the same country; I only want one instance of this country in my database).
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Swift Programming: getter/setter in stored property
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var rank: Int = 0 {
didSet {
// Say 1000 is not good for you and 999 is the maximum you want to be stored there
if rank >= 1000 {
rank = 999
}
}
}
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Why is my git repository so big?
... pulled the wrong remote repository into the local one (git remote add ... and git remote update). After deleting the unwanted remote ref, branches and tags I still had 1.4GB (!) of wasted space in my repository. I was only able to get rid of this by cloning it with git clone file:///path/to/repos...
Naming returned columns in Pandas aggregate function? [duplicate]
I'm having trouble with Pandas' groupby functionality. I've read the documentation , but I can't see to figure out how to apply aggregate functions to multiple columns and have custom names for those columns.
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