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Best way to require all files from a directory in ruby?
...re './a'" will not load a.rb twice. ruby-doc.org/core/classes/Kernel.html#M001418
– Derek
Jan 29 '11 at 17:47
14
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What's the difference between ContentControl and ContentPresenter?
....microsoft.com/en-us/library/system.windows.controls.contentpresenter(v=vs.110).aspx), it uses a button as an example. A Button has a ContentControl, which allows you to place one control or a custom control that could be an Image, Text, CheckBox, StackPanel, Grid, whatever.
After the customizatio...
Convert php array to Javascript
...hp's json_encode function
<?php $phpArray = array(
0 => 001-1234567,
1 => 1234567,
2 => 12345678,
3 => 12345678,
4 => 12345678,
5 => 'AP1W3242',
6 => 'AP7X1234',
7 => 'AS1234',
...
How to iterate over rows in a DataFrame in Pandas
... pd
import numpy as np
df = pd.DataFrame({'c1': [10, 11, 12], 'c2': [100, 110, 120]})
for index, row in df.iterrows():
print(row['c1'], row['c2'])
10 100
11 110
12 120
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How do you convert epoch time in C#?
...
Unix Time is usually expressed in seconds, but 0.001 is a valid number of seconds (= 1 ms). When in doubt, just use the maximum possible precision.
– Scott
Jul 10 '17 at 16:56
...
Sharing link on WhatsApp from mobile website (not application) for Android
...a>
Use: https://wa.me/15551234567
Don't use: https://wa.me/+001-(555)1234567
To create your own link with a pre-filled message that will
automatically appear in the text field of a chat, use
https://wa.me/whatsappphonenumber/?text=urlencodedtext where
whatsappphonenumber is...
Java String - See if a string contains only numbers and not letters
...
Adam LissAdam Liss
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29
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StackOverflow程序员推荐：每个程序员都应读的30本书 - 杂谈 - 清泛网 - 专...
...但我还是一定推荐给初学者。毕竟这本书是写给著名的6.001，是麻省理工学院的入门编程课程。此书或许需要多做努力（尤其你在做练习的时候，你也应当如此），但这个价是对得起这本书的。
你还不确信么？那就读读第一版...
Format an Integer using Java String Format
...
String.format("%03d", 1) // => "001"
// │││ └── print the number one
// ││└────── ... as a decimal integer
// │└─────── ... minimum of 3 characters wide
// ...
How to get last items of a list in Python?
...our sequence:
>>> list(range(100))[last_nine_slice]
[91, 92, 93, 94, 95, 96, 97, 98, 99]
islice
islice from the itertools module is another possibly performant way to get this. islice doesn't take negative arguments, so ideally your iterable has a __reversed__ special method - which lis...