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Paperclip::Errors::MissingRequiredValidatorError with Rails 4
...tachment :image, content_type: { content_type: /\Aimage\/.*\Z/ }
https://github.com/thoughtbot/paperclip
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How does this checkbox recaptcha work and how can I use it?
..., so have built a simple web forms control, that you can find here https://github.com/pnmcosta/recaptchav2dotnet
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How to commit no change and new message?
...Very useful when interacting with issue tracking builtin to git servers as github and gogs.
– SimonF
Apr 29 '19 at 8:37
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Express.js - app.listen vs server.listen
...ame question but after google, I found there is no big difference :)
From Github
If you wish to create both an HTTP and HTTPS server you may do so with the "http" and "https" modules as shown here.
/**
* Listen for connections.
*
* A node `http.Server` is returned, with this
* application (wh...
C++ Exceptions questions on rethrow of original exception
... of information to such a backtrace!
You may also take a look at my MWE on GitHub, where a backtrace would look something like this:
Library API: Exception caught in function 'api_function'
Backtrace:
~/Git/mwe-cpp-exception/src/detail/Library.cpp:17 : library_function failed
~/Git/mwe-cpp-exceptio...
Custom li list-style with font-awesome icon
...these codes directly from the official FontAwesome cheatsheet: fortawesome.github.io/Font-Awesome/cheatsheet
– rybo111
Jan 8 '16 at 15:25
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Chrome Extension Message passing: response not sent
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You can use my library https://github.com/lawlietmester/webextension to make this work in both Chrome and FF with Firefox way without callbacks.
Your code will look like:
Browser.runtime.onMessage.addListener( request => new Promise( resolve => {
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Git On Custom SSH Port
.../
scp like syntax [user@]host.xz:path/to/repo.git/
By default Gitlab and Github will show the scp like syntax url, and we can not give the custom ssh port. So in order to change ssh port, we need use the standard syntax
sh...
Singleton pattern in nodejs - is it needed?
... systems. Regarding symlinking, you can read more here as it was discussed github.com/nodejs/node/issues/3402. Also if you are symlinking files or do not understand your OS and node properly then you shouldn't be anywhere near the aerospace engineering industry ;), I do however understand your point...
Flexbox and Internet Explorer 11 (display:flex in ?)
... The core issue with IE11 is the way it calculates flex-basis. Github has a good discussion of why flex:1 0 100% works in some cases for IE11 while flex: 1 0 0% or even flex: 1 0 auto works in others. You have to know the content ahead of time.
– P.Brian.Mackey
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