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How to create a multi-tenant database with shared table structures?
...f not all scenarios. I don't think you'll fancy the idea of maintaining 10,000 database instances, and having to create hundreds of new ones every day.
From that parameter alone, it looks like the shared-database, single-schema approach is the most suitable. The fact that you'll be storing just abo...
Remove duplicate lines without sorting [duplicate]
...ay have also needed the lower memory use since I will be uniq'ing like 100,000,000 lines 8-). Just in case anyone else needs it, I just put a "-u" in the uniq portion of the command:
awk '{print(NR"\t"$0)}' file_name | sort -t$'\t' -k2,2 | uniq -u --skip-fields 1 | sort -k1,1 -t$'\t' | cut -f2 -d$...
Grouping functions (tapply, by, aggregate) and the *apply family
...s$Species: versicolor
Min. 1st Qu. Median Mean 3rd Qu. Max.
2.000 2.525 2.800 2.770 3.000 3.400
--------------------------------------------------------------
iris$Species: virginica
Min. 1st Qu. Median Mean 3rd Qu. Max.
2.200 2.800 3.000 2.974 3.175 3...
How to print number with commas as thousands separators?
...ocale(locale.LC_ALL, 'en_US')
'en_US'
>>> locale.format("%d", 1255000, grouping=True)
'1,255,000'
Sure, you don't need internationalization support, but it's clear, concise, and uses a built-in library.
P.S. That "%d" is the usual %-style formatter. You can have only one formatter, but ...
Setting default permissions for newly created files and sub-directories under a directory in Linux?
...('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f580584%2fsetting-default-permissions-for-newly-created-files-and-sub-directories-under-a%23new-answer', 'question_page');
}
);
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How to Free Inode Usage?
...2.04LTS and could not remove the old linux kernels which took up about 400,000 inodes because apt was broken because of a missing package. And I couldn't install the new package because I was out of inodes so I was stuck.
I ended up deleting a few old linux kernels by hand to free up about 10,000 i...
Setting global styles for Views in Android
...'.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f3078081%2fsetting-global-styles-for-views-in-android%23new-answer', 'question_page');
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...
Run an OLS regression with Pandas Data Frame
...sult.params)
Intercept 14.952480
B 0.401182
C 0.000352
dtype: float64
>>> print(result.summary())
OLS Regression Results
==============================================================================
Dep. Var...
How can I convert a string to a number in Perl?
...laz@Linux_Desktop:~/workspace/akatest_5]$perl -e 'print "nope\n" unless "1,000" > 10;' nope [rabdelaz@Linux_Desktop:~/workspace/akatest_5]$perl -e 'print "nope\n" if "1,000" > 10;'
– Ramy
May 22 '14 at 15:24
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python pandas remove duplicate columns
... number of columns you can have. For me it failed for a dataframe with 100,000 rows for instance, as this yields 100,000 columns after transposing, which is not possible
– Eelco van Vliet
Mar 3 at 10:08
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