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Parallelize Bash script with maximum number of processes
...-w )
find . -name \*.pdf | xargs --max-args=1 --max-procs=$cpus pdf2ps
From the docs:
--max-procs=max-procs
-P max-procs
Run up to max-procs processes at a time; the default is 1.
If max-procs is 0, xargs will run as many processes as possible at a
time. Use the -n opti...
How to delete from a text file, all lines that contain a specific string?
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Thanks, but it doesn't seem to erase it from the file but just print out the text file contents without that string.
– A Clockwork Orange
Mar 23 '11 at 20:03
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What are the differences between JSON and JSONP?
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Basically, you're not allowed to request JSON data from another domain via AJAX due to same-origin policy. AJAX allows you to fetch data after a page has already loaded, and then execute some code/call a function once it returns. We can't use AJAX but we are allowed to inject...
A transport-level error has occurred when receiving results from the server [closed]
I'm getting a SQL Server error:
21 Answers
21
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Get file name from URL
In Java, given a java.net.URL or a String in the form of http://www.example.com/some/path/to/a/file.xml , what is the easiest way to get the file name, minus the extension? So, in this example, I'm looking for something that returns "file" .
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What is difference between functional and imperative programming languages?
...1 + number2 + number3;
Each statement changes the state of the program, from assigning values to each variable to the final addition of those values. Using a sequence of five statements the program is explicitly told how to add the numbers 5, 10 and 15 together.
Functional languages:
The functio...
How do we determine the number of days for a given month in python [duplicate]
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Use calendar.monthrange:
>>> from calendar import monthrange
>>> monthrange(2011, 2)
(1, 28)
Just to be clear, monthrange supports leap years as well:
>>> from calendar import monthrange
>>> monthrange(2012, 2)
(2, 29)
As ...
Copy a file in a sane, safe and efficient way
... sane way:
#include <fstream>
int main()
{
std::ifstream src("from.ogv", std::ios::binary);
std::ofstream dst("to.ogv", std::ios::binary);
dst << src.rdbuf();
}
This is so simple and intuitive to read it is worth the extra cost. If we were doing it a lot, better to f...
Find object by id in an array of JavaScript objects
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Use the find() method:
myArray.find(x => x.id === '45').foo;
From MDN:
The find() method returns the first value in the array, if an element in the array satisfies the provided testing function. Otherwise undefined is returned.
If you want to find its index instead, use findInd...
How do I disable log messages from the Requests library?
...er.setLevel(logging.CRITICAL)
In this way all the messages of level=INFO from urllib3 won't be present in the logfile.
So you can continue to use the level=INFO for your log messages...just modify this for the library you are using.
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