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How do I parallelize a simple Python loop?
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13 Answers
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How to make the 'cut' command treat same sequental delimiters as one?
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edited Apr 23 '18 at 23:03
Austin Adams
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What is non-blocking or asynchronous I/O in Node.js?
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322
Synchronous vs Asynchronous
Synchronous execution usually refers to code executing in sequenc...
How do I check which version of NumPy I'm using?
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392
import numpy
numpy.version.version
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FIND_IN_SET() vs IN()
... to the first non-digit (a comma in your case).
Thus,
companyID IN ('1,2,3') ≡ companyID IN (CAST('1,2,3' AS INT)) ≡ companyID IN (1)
In PostgreSQL, you could cast the string into array (or store it as an array in the first place):
SELECT name
FROM orders
JOIN company
ON company...
Count number of records returned by group by
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Correct way to convert size in bytes to KB, MB, GB in JavaScript
...tBytes(1024); // 1 KB
formatBytes('1024'); // 1 KB
formatBytes(1234); // 1.21 KB
formatBytes(1234, 3); // 1.205 KB
Demo / source :
function formatBytes(bytes, decimals = 2) {
if (bytes === 0) return '0 Bytes';
const k = 1024;
const dm = decimals < 0 ? 0 ...
Why is a 3-way merge advantageous over a 2-way merge?
Wikipedia says a 3-way merge is less error-prone than a 2-way merge, and often times doesn't need user intervention. Why is this the case?
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Some built-in to pad a list in python
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answered Aug 9 '10 at 9:43
John La RooyJohn La Rooy
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What's the difference between echo, print, and print_r in PHP?
...4) {
[0]=>
int(0)
[1]=>
float(0)
[2]=>
bool(false)
[3]=>
string(0) ""
}
Array
(
[0] => 0
[1] => 0
[2] =>
[3] =>
)
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