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How can I read large text files in Python, line by line, without loading it into memory?
... with two file handlers (one read, the other write) python was hanging and now it's fine! Thanks.
– Xelt
Apr 23 '19 at 13:37
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Days between two dates? [duplicate]
...ee how many full days have passed between two dates?
Here's what I'm doing now.
4 Answers
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How to auto-remove trailing whitespace in Eclipse?
...Edit. Unfortunately, it's for the entire file being edited .. still don't know how to do it for only the lines I changed - looks like it's probably impossible right now.
– Jan Żankowski
Aug 6 '09 at 14:39
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Specifying Style and Weight for Google Fonts
...ur regular font family like this:
font-family: 'Open Sans', sans-serif;
Now you decide what "weight" the font should have by adding
for semi-bold
font-weight:600;
for bold (700)
font-weight:bold;
for extra bold (800)
font-weight:800;
Like this its fallback proof, so if the google font s...
How to fully remove Xcode 4
...d at startup. So I uninstalled 4.4, ran your command, reinstalled 4.4, and now things appear to work properly. Thank you
– Giuseppe
Sep 11 '12 at 12:46
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How to remove unused C/C++ symbols with GCC and ld?
...re not stripped away, ça va sans dire—but it seems it needed to be said now.
– ShinTakezou
Feb 23 '16 at 18:52
@fuz...
Intersection and union of ArrayLists in Java
...ect(Collectors.toList());
If anyone has a better/faster solution let me know, but this solution is a nice one liner that can be easily included in a method without adding a unnecessary helper class/method and still keep the readability.
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How can I install Apache Ant on Mac OS X?
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Thank you very much for your help. I didn't know that ant is already installed on my system. I already have Xcode installed, and I needed Ant to setup the environment for GTW and Android development. Thank you.
– florinmatinca
Ju...
How to remove RVM (Ruby Version Manager) from my system
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Run:
rvm implode
Now you need to uninstall the RVM gem using:
gem uninstall rvm
Check if there are any remaining RVM files in your home directory, if yes remove them.
Go to the home directory and list all hidden files:
ls -a
rm .rvm
rm...
quick random row selection in Postgres
...e optimal solution if you want only one row selected, because you need to know the COUNT of the table to calculate the exact percentage.
To avoid a slow COUNT and use fast TABLESAMPLE for tables from 1 row to billions of rows, you can do:
SELECT * FROM my_table TABLESAMPLE SYSTEM(0.000001) LIMI...