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Counting the number of True Booleans in a Python List
... is equal to 1.
>>> sum([True, True, False, False, False, True])
3
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Split a List into smaller lists of N size
...List<float[]>> SplitList(List<float[]> locations, int nSize=30)
{
var list = new List<List<float[]>>();
for (int i = 0; i < locations.Count; i += nSize)
{
list.Add(locations.GetRange(i, Math.Min(nSize, locations.Count - i)));
}
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What Xcode keyboard shortcuts do you use regularly? [closed]
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edited Feb 8 '17 at 14:33
community wiki
5 r...
How to create a string with format?
...
392
I think this could help you:
let timeNow = time(nil)
let aStr = String(format: "%@%x", "timeN...
The name 'model' does not exist in current context in MVC3
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239
Update: If you are using a newer version of MVC, the same process applies, just be sure to use ...
Convert a binary NodeJS Buffer to JavaScript ArrayBuffer
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138
Instances of Buffer are also instances of Uint8Array in node.js 4.x and higher. Thus, the most...
UPDATE and REPLACE part of a string
...o the following should work:
UPDATE dbo.xxx
SET Value = REPLACE(Value, '123\', '')
WHERE ID <=4
(I also added the \ in the replace as I assume you don't need that either)
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How to validate an e-mail address in swift?
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34 Answers
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How to filter Pandas dataframe using 'in' and 'not in' like in SQL
...andas as pd
>>> df
country
0 US
1 UK
2 Germany
3 China
>>> countries_to_keep
['UK', 'China']
>>> df.country.isin(countries_to_keep)
0 False
1 True
2 False
3 True
Name: country, dtype: bool
>>> df[df.country.isin(countries_to_ke...
How to show soft-keyboard when edittext is focused
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edited Mar 28 at 18:38
Muhammed Aydogan
9699 bronze badges
answered Feb 24 '11 at 15:04
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