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node.js execute system command synchronously
...sion 0.12 - so for a while) supports execSync:
child_process.execSync(command[, options])
You can now directly do this:
const execSync = require('child_process').execSync;
code = execSync('node -v');
and it'll do what you expect. (Defaults to pipe the i/o results to the parent process). Note t...
rreplace - How to replace the last occurrence of an expression in a string?
...500 characters), your solution was three times faster than Alex's solution and four times faster than Mark's solution. Thanks to all for your answers!
– Barthelemy
Mar 31 '10 at 20:44
...
All combinations of a list of lists
...rapper function that takes a as input, iterates over itertools.product(*a) and yields both the tuple produced by itertools and a reverse version (e.g. create a list, reverse() it and convert back to tuple). Best ask a new question.
– Joachim Wagner
Feb 26 at 11...
Mysql error 1452 - Cannot add or update a child row: a foreign key constraint fails
...was fine from the mysql point of view(both tables should use InnoDB engine and the datatype of each column should be of the same type which takes part in foreign key constraint).
The only thing that I did was to disable the foreign key check and later on enabled it after performing the foreign key o...
How to create a new object instance from a Type
...l.
There are a lot of overloads for passing parameters to the constructor and such. Check out the documentation at:
http://msdn.microsoft.com/en-us/library/system.activator.createinstance.aspx
or (new path)
https://docs.microsoft.com/en-us/dotnet/api/system.activator.createinstance
Her...
Matplotlib make tick labels font size smaller
...overflow.com/a/11386056/42346
The code below is for illustrative purposes and may not necessarily be optimized.
import matplotlib.pyplot as plt
import numpy as np
def xticklabels_example():
fig = plt.figure()
x = np.arange(20)
y1 = np.cos(x)
y2 = (x**2)
y3 = (x**3)
yn = ...
Can Mockito capture arguments of a method called multiple times?
I have a method that gets called twice, and I want to capture the argument of the second method call.
6 Answers
...
How do I do a Date comparison in Javascript? [duplicate]
...getTime function returns an undefined value. I don't think I quite understand the getTime(). Is that supposed to be a predefined function?
– Lulu Ket
Dec 3 '08 at 20:22
1
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What are good message queue options for nodejs? [closed]
...appropriate. The goal is to push notifications to clients based on backend and other client actions with socketio. I could do this with just socketio but I thought maybe a proper message queue would make this cleaner and I wouldn't have to reinvent the wheel.
...
Python Requests library redirect new url
...ight be useful for someone else.
If you want to use allow_redirects=False and get directly to the first redirect object, rather than following a chain of them, and you just want to get the redirect location directly out of the 302 response object, then r.url won't work. Instead, it's the "Location...