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How to implement common bash idioms in Python? [closed]
...se, there's now a reasonably complete user-interactive shell available at: http://xon.sh/ or https://github.com/scopatz/xonsh
The demonstration video does not show pipes being used, but they ARE supported when in the default shell mode.
Xonsh ('conch') tries very hard to emulate bash, so things yo...
xpath find if node exists
... element and look to see if the result is nil.
require 'nokogiri'
url = "http://somthing.com/resource"
resp = Nokogiri::XML(open(url))
first_name = resp.xpath("/movies/actors/actor[1]/first-name")
puts "first-name not found" if first_name.nil?
...
Working with Enums in android
...e of 2014 that advises against the use of enums in an android application. http://developer.android.com/training/articles/memory.html#Overhead
I quote:
Be aware of memory overhead
Be knowledgeable about the cost and overhead of the language and
libraries you are using, and keep this info...
What is RSS and VSZ in Linux memory management
... way more to it than this, to learn more check the following references:
http://manpages.ubuntu.com/manpages/en/man1/ps.1.html
https://web.archive.org/web/20120520221529/http://emilics.com/blog/article/mconsumption.html
Also see:
A way to determine a process's "real" memory usage, i.e. private...
Binary Data in JSON String. Something better than Base64
...pe was born to transport form data but today it is widely used outside the HTTP/HTML world, notably to encode email content. Today it is proposed as a generic encoding syntax. tools.ietf.org/html/rfc7578
– lorenzo
Mar 28 '18 at 13:53
...
Javascript calculate the day of the year (1 - 366)
...s into the year`));
Which outputs for the leap year 2016 (verified using http://www.epochconverter.com/days/2016):
1/1/2016 is 1 days into the year
2/1/2016 is 32 days into the year
3/1/2016 is 61 days into the year
6/1/2016 is 153 days into the year
12/31/2016 is 366 days into the year
...
Compute a confidence interval from sample data
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
python numpy ValueError: operands could not be broadcast together with shapes
...s not conflict with anything.
For more information on broadcasting rules: http://docs.scipy.org/doc/numpy/user/basics.broadcasting.html
(Please note that if X and y are of type numpy.matrix, then asterisk can be used as matrix multiplication. My recommendation is to keep away from numpy.matrix, it...
How to import existing *.sql files in PostgreSQL 8.4?
...; done
Here's the documentation of the psql application (thanks, Frank): http://www.postgresql.org/docs/current/static/app-psql.html
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Is there a reason for C#'s reuse of the variable in a foreach?
...
The compiler declares the variable in a way that makes it highly prone to an error that is often difficult to find and debug, while producing no perceivable benefits.
Your criticism is entirely justified.
I discuss this proble...