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Number of processors/cores in command line
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Why does Double.NaN==Double.NaN return false?
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edited Dec 30 '15 at 16:37
falsarella
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PadLeft function in T-SQL
... what your looking for:
SELECT padded_id = REPLACE(STR(id, 4), SPACE(1), '0')
FROM tableA
or
SELECT REPLACE(STR(id, 4), SPACE(1), '0') AS [padded_id]
FROM tableA
I haven't tested the syntax on the 2nd example. I'm not sure if that works 100% - it may require some tweaking - but it conveys t...
How can I select and upload multiple files with HTML and PHP, using HTTP POST?
... $fileCount = count($myFile["name"]);
for ($i = 0; $i < $fileCount; $i++) {
?>
<p>File #<?= $i+1 ?>:</p>
<p>
Name: <?= $myFile["name"][$i] ?>...
Image resizing client-side with JavaScript before upload to the server
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Here's a gist which does this:
https://gist.github.com/dcollien/312bce1270a5f511bf4a
(an es6 version, and a .js version which can be included in a script tag)
You can use it as follows:
<input type="file" id="select">
<img id="preview">
<script>
document.getElementById('select...
requestFeature() must be called before adding content
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edited Apr 30 '15 at 8:49
Sankar V
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How to get current CPU and RAM usage in Python?
...culate percentage of available memory
psutil.virtual_memory().available * 100 / psutil.virtual_memory().total
20.8
Here's other documentation that provides more concepts and interest concepts:
https://psutil.readthedocs.io/en/latest/
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Parse date string and change format
I have a date string with the format 'Mon Feb 15 2010'. I want to change the format to '15/02/2010'. How can I do this?
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How can I remove the top and right axis in matplotlib?
...HERE:
import numpy as np
import matplotlib.pyplot as plt
x = np.linspace(0, 2*np.pi, 100)
y = np.sin(x)
ax = plt.subplot(111)
ax.plot(x, y)
# Hide the right and top spines
ax.spines['right'].set_visible(False)
ax.spines['top'].set_visible(False)
# Only show ticks on the left and bottom spines
a...