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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...
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...
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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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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How to initialize a vector in C++ [duplicate]
...is with an array:
int vv[2] = { 12,43 };
std::vector<int> v(&vv[0], &vv[0]+2);
Or, for the case of assignment to an existing vector:
int vv[2] = { 12,43 };
v.assign(&vv[0], &vv[0]+2);
Like James Kanze suggested, it's more robust to have functions that give you the beginni...
Getting the count of unique values in a column in bash
....Paused until further notice.
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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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Arduino 101 实验06 - 土壤湿度传感器，做一个浇水提醒 · App Inventor 2 中文网
... 搜索 Arduino 101 实验06 - 土壤湿度传感器，做一个浇水提醒
实验06：土壤湿度与浇水提醒
这个实验做完你会得到什么
一、器材清单
二...