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How to add title to subplots in Matplotlib?
...fig = plt.figure()
ax1 = fig.add_subplot(221)
ax2 = fig.add_subplot(222)
ax3 = fig.add_subplot(223)
ax4 = fig.add_subplot(224)
ax1.title.set_text('First Plot')
ax2.title.set_text('Second Plot')
ax3.title.set_text('Third Plot')
ax4.title.set_text('Fourth Plot')
plt.show()
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How to split last commit into two in Git
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335
You should use the index. After doing a mixed reset ("git reset HEAD^"), add
the first set of ...
Check if a table exists in Rails
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304
In Rails 5 the API became explicit regarding tables/views, collectively data sources.
# Table...
How to find the size of an array in postgresql
...in a single or multidimensional array. So select cardinality(ARRAY[[1,2], [3,4]]); would return 4, whereas select array_length(ARRAY[[1,2], [3,4]], 1) would return 2. If you're counting the first dimension, array_length is a safer bet.
– Roshambo
Sep 20 '17 at ...
.NET HttpClient. How to POST string value?
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437
using System;
using System.Collections.Generic;
using System.Net.Http;
class Program
{
sta...
Is there a difference between foreach and map?
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madlepmadlep
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Java 8 Stream and operation on arrays
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edited May 23 '17 at 12:18
Community♦
111 silver badge
answered Jun 24 '14 at 15:57
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ExecJS and could not find a JavaScript runtime
I'm trying to use the Mongoid / Devise Rails 3.1 template ( Mongoid and Devise ), and I keep getting an error stating ExecJS cannot find a JavaScript runtime. Fair enough when I didn't have any installed, but I've tried installing Node.js , Mustang and the Ruby Racer , but nothing is work...
How do I rename the extension for a bunch of files?
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390
For an better solution (with only bash functionality, as opposed to external calls), see one o...
Python 2.7 getting user input and manipulating as string without quotations
... Sven MarnachSven Marnach
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