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Efficient paging in SQLite with millions of records
...tail on the SQLite wiki.)
When you have multiple sort columns (and SQLite 3.15 or later), you can use a row value comparison for this:
SELECT *
FROM MyTable
WHERE (SomeColumn, OtherColumn) > (LastSome, LastOther)
ORDER BY SomeColumn, OtherColumn
LIMIT 100;
...
setuptools vs. distutils: why is distutils still a thing?
...ing in Python. It is included in the standard library (Python 2 and Python 3.0 to 3.3). It is useful for simple Python distributions, but lacks features. It introduces the distutils Python package that can be imported in your setup.py script.
Setuptools was developed to overcome Distutils' limi...
Format numbers to strings in Python
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Starting with Python 3.6, formatting in Python can be done using formatted string literals or f-strings:
hours, minutes, seconds = 6, 56, 33
f'{hours:02}:{minutes:02}:{seconds:02} {"pm" if hours > 12 else "am"}'
or the str.format function s...
Xcode 4.2 - declaration of '…' will not be visible outside of this function warning
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352
Add #import <netinet/in.h> in Reachability.h to get away with this
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How to install Boost on Ubuntu
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Anton GuryanovAnton Guryanov
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How to run Conda?
...ollowing this introductory documentation , I am trying to install Python v3.3, so I am copying and pasting the following line into my console:
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What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?
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13 Answers
13
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Regex group capture in R with multiple capture-groups
... in the match (and one for the whole match):
> s = c("(sometext :: 0.1231313213)", "(moretext :: 0.111222)")
> str_match(s, "\\((.*?) :: (0\\.[0-9]+)\\)")
[,1] [,2] [,3]
[1,] "(sometext :: 0.1231313213)" "sometext" "0.1231313213"
[2,] "(moretext ::...
How to use “not” in xpath?
...ts more or less the same.
– Ali
Sep 3 '19 at 13:07
add a comment
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How to remove globally a package from Composer?
...ectory.
Read the related documentation here: http://getcomposer.org/doc/03-cli.md#global
COMPOSER_HOME depends on your system (on Linux it's ~/.composer), see http://getcomposer.org/doc/03-cli.md#composer-home for more details.
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