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How to write a multidimensional array to a text file?
...is specified by the comments kwarg). (This looks more verbose than it actually is...)
import numpy as np
# Generate some test data
data = np.arange(200).reshape((4,5,10))
# Write the array to disk
with open('test.txt', 'w') as outfile:
# I'm writing a header here just for the sake of readabil...
How can I delete Docker's images?
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In order to delete all images, use the given command
docker rmi $(docker images -q)
In order to delete all containers, use the given command
docker rm $(docker ps -a -q)
Warning: This will destroy all your images and containers. It will n...
Using Git, how could I search for a string across all branches?
Using Git, how could I search within all files in all local branches for a given string?
5 Answers
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Read an Excel file directly from a R script
...ow in reading Excel files, and this problem is only exacerbated for larger tables.
Two draws of openxlsx are 1) its extensive other methods (readxl is designed to do only one thing, which is probably part of why it's so fast), especially its write.xlsx function, and 2) (more of a drawback for readx...
How do you add Boost libraries in CMakeLists.txt?
... it can also help to add this to your cmake file: ADD_DEFINITIONS( -DBOOST_ALL_NO_LIB ) otherwise you may run into stackoverflow.com/questions/28887680/…
– Stéphane
Jul 22 '15 at 16:08
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_csv.Error: field larger than field limit (131072)
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The csv file might contain very huge fields, therefore increase the field_size_limit:
import sys
import csv
csv.field_size_limit(sys.maxsize)
sys.maxsize works for Python 2.x and 3.x. sys.maxint would only work with Python 2.x (SO: what-is-sys-maxint-in-python-3)
Update
As Geoff pointed out,...
Calling shell functions with xargs
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Exporting the function should do it (untested):
export -f echo_var
seq -f "n%04g" 1 100 | xargs -n 1 -P 10 -I {} bash -c 'echo_var "$@"' _ {}
You can use the builtin printf instead of the external seq:
printf "n%04g\n" {1..100} | xargs -n 1 -P 10 -I {} bash -c 'echo_var "$@"' _ {}
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append to url and refresh page
... a URL in different browsers?
This is my suggested approach:
function URL_add_parameter(url, param, value){
var hash = {};
var parser = document.createElement('a');
parser.href = url;
var parameters = parser.search.split(/\?|&/);
for(var i=0; i < paramete...
How to compile for Windows on Linux with gcc/g++?
... The base "mingw32" may or may not be capable, but it's easy enough to install/use the variants by name. ar2015: Does it not support C++11 at all or are you talking about a problem you had with it? I'm working on getting a project to build with mingw as we speak and this would be good information t...
How can I give eclipse more memory than 512M?
I have following setup, but when I put 1024 and replace all 512 with 1024, then eclipse won't start at all. How can I have more than 512M memory for my eclipse JVM?
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