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Java, Classpath, Classloading => Multiple Versions of the same jar/project
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@deckingraj: after some googling i found this from oracle docs: "In the delegation design, a class loader delegates classloading to its parent before attempting to load a class itself. [...] If the parent class loader cannot load a class, the class ...
difference and when to use getApplication(), getApplicationContext(), getBaseContext() and someClass
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As far as getBaseContext() is concerned, Google's Android Developers suggested this: "Don't use getBaseContext(), just use the Context you have." So, in effect, they suggest you use this for Activities.
– ChuongPham
Dec 19 '12 ...
classical inheritance vs prototypal inheritance in javascript
I have googled so many links and can't get good idea about the difference between classical inheritance and prototypal inheritance?
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How do I get the YouTube video ID from a URL?
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also doesn't handle 'share' generated urls- https://youtu.be/{{video_id}}
– hamncheez
Oct 11 '17 at 20:33
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How do I increase the RAM and set up host-only networking in Vagrant?
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Why use argparse rather than optparse?
...se is better for all the reasons listed on its original page (https://code.google.com/archive/p/argparse/):
handling positional arguments
supporting sub-commands
allowing alternative option prefixes like + and /
handling zero-or-more and one-or-more style arguments
producing more informative usage...
Check if Python Package is installed
...c() cannot find it unless you use dots. Example: importlib.util.find_spec('google-cloud-logging') finds nothing while importlib.util.find_spec('google.cloud.logging') is found. The official name and name that pip shows is with dashes, not dots. Might be confusing therefore use with caution.
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Generic htaccess redirect www to non-www
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RewriteEngine On
RewriteBase /
RewriteCond %{HTTP_HOST} ^www\.(.*)$ [NC]
RewriteRule ^(.*)$ https://%1/$1 [R=301,L]
Same as Michael's except this one works :P
share
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running Rails console in production
...re actually trying to run the rails console on your production server, try googling "run rails console [your cloud hosting provider]" e.g. "run rails console heroku"
As of Rails 6 you need to use
RAILS_ENV=production bundle exec rails c
or
RAILS_ENV=production rails c
depending on your setup...
“render :nothing => true” returns empty plaintext file?
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