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Filter Java Stream to 1 and only 1 element
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20 Answers
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Python dictionary: are keys() and values() always the same order?
...1-to-1 mapping (assuming the dictionary is not altered between calling the 2 methods).
8 Answers
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Check whether or not the current thread is the main thread
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edited Aug 2 '19 at 23:29
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How can I time a code segment for testing performance with Pythons timeit?
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280
You can use time.time() or time.clock() before and after the block you want to time.
import t...
How to get nice formatting in the Rails console
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12 Answers
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javascript remove “disabled” attribute from html input
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201
Set the element's disabled property to false:
document.getElementById('my-input-id').disabled...
Mounting multiple volumes on a docker container?
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272
Pass multiple -v arguments.
For instance:
docker -v /on/my/host/1:/on/the/container/1 \
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Sending HTML email using Python
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From Python v2.7.14 documentation - 18.1.11. email: Examples:
Here’s an example of how to create an HTML message with an alternative plain text version:
#! /usr/bin/python
import smtplib
from email.mime.multipart import MIMEMult...
Passing arrays as parameters in bash
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223
You can pass multiple arrays as arguments using something like this:
takes_ary_as_arg()
{
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