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Are lists thread-safe?
...to concurrently access, the lists's data is not protected. For example:
L[0] += 1
is not guaranteed to actually increase L[0] by one if another thread does the same thing, because += is not an atomic operation. (Very, very few operations in Python are actually atomic, because most of them can cau...
What exactly is nullptr?
...
410
How is it a keyword and an instance of a type?
This isn't surprising. Both true and false a...
Multiple inputs with same name through POST in php
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220
Change the names of your inputs:
<input name="xyz[]" value="Lorem" />
<input name="xyz...
Change one value based on another value in pandas
... for you.
import pandas
df = pandas.read_csv("test.csv")
df.loc[df.ID == 103, 'FirstName'] = "Matt"
df.loc[df.ID == 103, 'LastName'] = "Jones"
As mentioned in the comments, you can also do the assignment to both columns in one shot:
df.loc[df.ID == 103, ['FirstName', 'LastName']] = 'Matt', 'Jone...
Convert Data URI to File then append to FormData
...inary data held in a string
var byteString;
if (dataURI.split(',')[0].indexOf('base64') >= 0)
byteString = atob(dataURI.split(',')[1]);
else
byteString = unescape(dataURI.split(',')[1]);
// separate out the mime component
var mimeString = dataURI.split(',')[0]...
update package.json version automatically
...f the guys from angular.js.
Usage:
grunt bump
>> Version bumped to 0.0.2
grunt bump:patch
>> Version bumped to 0.0.3
grunt bump:minor
>> Version bumped to 0.1.0
grunt bump
>> Version bumped to 0.1.1
grunt bump:major
>> Version bumped to 1.0.0
If you're using gru...
Height equal to dynamic width (CSS fluid layout) [duplicate]
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edited Dec 5 '14 at 16:05
chridam
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answe...
Getting the count of unique values in a column in bash
....Paused until further notice.
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Why is AJAX returning HTTP status code 0?
...application) the browser just stops uploading and returns status codes of 0 . Why does this happen?
20 Answers
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What is the difference between ManualResetEvent and AutoResetEvent in .NET?
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edited Jan 7 '15 at 10:39
Yves M.
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answe...