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How do I detect “shift+enter” and generate a new line in Textarea?

...d recommend against changing it. However, if you must do this, the easiest approach would be to find the script that is making Enter submit the form and change it. The code will have something like if (evt.keyCode == 13) { form.submit(); } ... and you could just change it to if (evt.keyCode == ...
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Error while installing json gem 'mkmf.rb can't find header files for ruby'

... For Xcode 11 on macOS 10.14, this can happen even after installing Xcode and installing command-line tools and accepting the license with sudo xcode-select --install sudo xcodebuild -license accept The issue is that Xcode 11 ships the macOS 10.15 SDK which in...
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Joins are for lazy people?

... Joining in the app server can be more efficient if joining on the database causes severe redundancy in the result set sent over the network. Consider tables A and B, where each row in A is associated with 20 rows in B, B has only 100 rows, ...
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Find out who is locking a file on a network share

... I used an application called Unlocker to do this (the file was on the NAS). The app is here: filehippo.com/download_unlocker/tech and it worked for me but I can't vouch for this app – Dan Aug 17 ...
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file_put_contents(meta/services.json): failed to open stream: Permission denied

...er dump-autoload Laravel < 5.4 php artisan cache:clear chmod -R 777 app/storage composer dump-autoload NOTE: DO NOT DO THIS ON ANY REMOTE SERVER (DEV OR PRODUCTION) When I asked this question, this was a problem on my localhost, running in a Virtual Machine. So I thought setting up a 777 ...
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Using backticks around field names

... That's very true! One of our server applications was running fine until we applied an upgrade to our database engine, which added a new keyword. Suddenly everything that queried a particular table broke. – Miquella Nov 19 ...
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How to bring view in front of everything?

...ult: I used that in a vertical linear layout and the view bringed to front appeared at the bottom... For example, I had A / B / C and wanted to bring A to front, so after running a.bringToFront() I ended up with a layout like B / C / A. – Ferran Maylinch Jul 10...
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ImportError: Cannot import name X

...ally produces a tree of one-way dependencies and this is normally the best approach. But there are exceptions to this. C++ classes certainly can refer to one another circularly. (Although it is impossible for them to be composed of one another.) Without forward-declaration, this is a problem in Pyth...
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How to determine SSL cert expiration date from a PEM encoded certificate?

...13.4 runs your shell OK ( don't judge me I am only on osx today to push an app to app store ... booting back to linux shortly ;-) – Scott Stensland May 9 '18 at 22:20 1 ...
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React.js - input losing focus when rerendering

...h="/user" render={() => <UserPage/>} /> The loss of focus happens because the component prop uses React.createElement each time instead of just re-rendering the changes. Details here: https://reacttraining.com/react-router/web/api/Route/component ...