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How to scale Docker containers in production
...ners (running databases services?) portable across multiple docker hosts:
https://clusterhq.com/
Update 14
A project to create portable templates that describe Docker applications:
http://panamax.io/
Update 15
The Docker project is now addressing orchestration natively (See announcement)
Doc...
WPF Application that only has a tray icon
...brary to good effect:
http://www.hardcodet.net/wpf-notifyicon (blog post)
https://bitbucket.org/hardcodet/notifyicon-wpf/src (source code)
https://www.nuget.org/packages/Hardcodet.NotifyIcon.Wpf/ (NuGet package)
http://visualstudiogallery.msdn.microsoft.com/aacbc77c-4ef6-456f-80b7-1f157c2909f7/
...
Why can't I use Docker CMD multiple times to run multiple services?
...e not. There are perfectly valid situations for doing so.
Good to know:
https://blog.phusion.nl/2015/01/20/docker-and-the-pid-1-zombie-reaping-problem/
http://www.techbar.me/stopping-docker-containers-gracefully/
https://www.ctl.io/developers/blog/post/gracefully-stopping-docker-containers/
https...
Rails: What's a good way to validate links (URLs)?
... make it more restrictive. For instance, if you want the URL to be an HTTP/HTTPS URL, then you can make the validation more accurate.
require 'uri'
def valid_url?(url)
uri = URI.parse(url)
uri.is_a?(URI::HTTP) && !uri.host.nil?
rescue URI::InvalidURIError
false
end
Of course, there a...
How can I convert a DateTime to the number of seconds since 1970?
...ime
631152000 Seconds since year 2000
References:
Epoch Time converter: https://www.epochconverter.com
Year 1 converter: https://www.epochconverter.com/seconds-days-since-y0
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How do I find all of the symlinks in a directory tree?
...w_target {} \;
More find examples
More find examples can be found here: https://hamwaves.com/find/
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wkhtmltopdf: cannot connect to X server
...d I recommend you try:
Download the latest executable (.11 rc1) :
wget https://wkhtmltopdf.googlecode.com/files/wkhtmltopdf-0.11.0_rc1-static-i386.tar.bz2
uncompress it :
tar -vxf wkhtmltopdf-0.11.0_rc1-static-i386.tar.bz2
rename it :
mv wkhtmltopdf-i386 wkhtmltopdf
chmod it to executable : ...
Image resizing client-side with JavaScript before upload to the server
...
Here's a gist which does this:
https://gist.github.com/dcollien/312bce1270a5f511bf4a
(an es6 version, and a .js version which can be included in a script tag)
You can use it as follows:
<input type="file" id="select">
<img id="preview">
<...
phonegap open link in browser
...
<a onclick="navigator.app.loadUrl('https://google.com/', { openExternal:true });">Link</a>
Works for me with android & PG 3.0
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How to get URL of current page in PHP [duplicate]
...
Should you not check if HTTPS:// is enabled? I found this function to check: function isSSL() { return (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') || $_SERVER['SERVER_PORT'] == 443; }
– Dendro...