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Using variables inside a bash heredoc
...just like in variables like
\$HOME (current value: $HOME)
____HERE
Demo: https://ideone.com/rMF2XA
Note that any of the quoting mechanisms -- \____HERE or "____HERE" or '____HERE' -- will disable all variable interpolation, and turn the here-document into a piece of literal text.
A common task i...
cannot load such file — zlib even after using rvm pkg install zlib
...ssl-dev too (I needed it because rvm wanted to fetch the ruby sources via HTTPS) :-)
– tr9sh
Feb 13 '14 at 14:12
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class name and method name dropdown list is missing (visual studio setting)
... RC) due to stability/performance reasoning and is not available anymore.
https://connect.microsoft.com/VisualStudio/feedback/details/806325/javascript-navigation-bars-are-missing-after-upgrading-from-vs2013-pro-rc-to-rtm
Also, I did not see this added again through either node tools or web essent...
How to get the original value of an attribute in Rails
...previous value.
For rails 5.1+
Copied from Lucas Andrade's answer below: https://stackoverflow.com/a/50973808/9359123
Appending _was is deprecated in rails 5.1, now you should append _before_last_save
Something like:
before_save object
do_something_with object.name_before_last_save
end
W...
Warning the user/local/mysql/data directory is not owned by the mysql user
...aemons/com.mysql.mysql.plist
Then it will load on a restart.
Reference: https://coolestguidesontheplanet.com/get-apache-mysql-php-phpmyadmin-working-osx-10-10-yosemite/
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What does an underscore in front of an import statement mean?
...
https://golang.org/doc/effective_go.html#blank
It's either a work in progress, or imported for side effects. In this case, I believe it's for the side effects, as described in the doc.
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Basic http file downloading and saving to disk in python?
... import Image
import profile as profile
import urllib
import wget
url = 'https://tinypng.com/images/social/website.jpg'
def testRequest():
image_name = 'test1.jpg'
r = requests.get(url, stream=True)
with open(image_name, 'wb') as f:
for chunk in r.iter_content():
f...
How do I use the includes method in lodash to check if an object is in the collection?
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You could use find to solve your problem
https://lodash.com/docs/#find
const data = [{"a": 1}, {"b": 2}]
const item = {"b": 2}
find(data, item)
// > true
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Reference list item by index within Django template?
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A better way: custom template filter: https://docs.djangoproject.com/en/dev/howto/custom-template-tags/
such as get my_list[x] in templates:
in template
{% load index %}
{{ my_list|index:x }}
templatetags/index.py
from django import template
register = temp...
What's the difference between F5 refresh and Shift+F5 in Google Chrome browser?
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It ignores the cached content when refreshing...
https://support.google.com/a/answer/3001912?hl=en
F5 or Control + R = Reload the current page
Control+Shift+R or Shift + F5 = Reload your current page, ignoring cached content
...