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Joins are for lazy people?
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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, ...
Find out who is locking a file on a network share
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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 ...
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 ...
How can one display images side by side in a GitHub README.md?
...d color schemes side by side instead of top and bottom. Help would be much appreciated, thanks!
7 Answers
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Using backticks around field names
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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 ...
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...
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...
Gridview with two columns and auto resized images
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another simple approach with modern built-in stuff like PercentRelativeLayout is now available for new users who hit this problem.
thanks to android team for release this item.
<android.support.percent.PercentRelativeLayout xmlns:androi...
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
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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
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