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jQuery or javascript to find memory usage of page
...w memory useage", I thought I'd offer a modern solution.
memory-stats.js: https://github.com/paulirish/memory-stats.js/tree/master
This script (which you can run at any time on any page) will display the current memory useage of the page:
var script=document.createElement('script');
script.sr...
Allow anything through CORS Policy
...
Simply you can add rack-cors gem
https://rubygems.org/gems/rack-cors/versions/0.4.0
1st Step:
add gem to your Gemfile:
gem 'rack-cors', :require => 'rack/cors'
and then save and run bundle install
2nd Step:
update your config/application.rb file by...
How to get Maven project version to the bash command line
...act that it does not follow some good practices regarding CLI tools. (ref: https://youtu.be/1ILEw6Qca3U?t=372)
Inspired on the previous assertion, I decided to give a look on maven's source code as well as on maven-help-plugin. It seems that they have fixed a little bit the maven's -q switch (I am u...
ActionController::InvalidAuthenticityToken
...- Rails 4.2 deprecated skip_before_filter in favour of skip_before_action https://guides.rubyonrails.org/4_2_release_notes.html "The *_filter family of methods have been removed from the documentation. Their usage is discouraged in favor of the *_action family of methods"
For Rails 6 (as "collimar...
Is a GUID unique 100% of the time?
...ade (for .NET) and how you could get the same guid in the right situation.
https://ericlippert.com/2012/04/24/guid-guide-part-one/
https://ericlippert.com/2012/04/30/guid-guide-part-two/
https://ericlippert.com/2012/05/07/guid-guide-part-three/
...
Create folder with batch but only if it doesn't already exist
...y exists"
if not exist C:\VTS\NUL echo "Folder does not exist"
See also https://support.microsoft.com/en-us/kb/65994
(Update March 7, 2018; Microsoft article is down, archive on https://web.archive.org/web/20150609092521/https://support.microsoft.com/en-us/kb/65994 )
...
GitHub relative link in Markdown file
...rk? Here's some Markdown for you.
Instead of an absolute link:
[a link](https://github.com/user/repo/blob/branch/other_file.md)
…you can use a relative link:
[a relative link](other_file.md)
and we'll make sure it gets linked to user/repo/blob/branch/other_file.md.
If you were...
Convert PDF to image with high resolution
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For more explanations, options, and examples, see my full answer here:
https://askubuntu.com/questions/150100/extracting-embedded-images-from-a-pdf/1187844#1187844.
Related:
[How to turn a PDF into a searchable PDF w/pdf2searchablepdf] https://askubuntu.com/questions/473843/how-to-turn-a-pdf-...
How to move an iFrame in the DOM without losing its state?
...is an example I put together showing one way to handle this with flex-box:
https://jsfiddle.net/3g73sz3k/15/
The basic idea is to create a flex-box wrapper and then define an specific order for the iframes using the order attribute on each iframe wrapper.
<style>
.container{
display: f...
Git SSH error: “Connect to host: Bad file number”
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In other words, you establish SSH connections over the HTTPS port.
– Enrico Campidoglio
Oct 9 '12 at 8:29
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