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What is the difference between --save and --save-dev?
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This answer is frustratingly vague. Even a small example would go a long way to helping make this clearer.
– Choylton B. Higginbottom
Oct 31 '17 at 17:45
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Difference between a user and a schema in Oracle?
...Tom
You should consider a schema to be the user account and collection of all objects therein
as a schema for all intents and purposes.
SCOTT is a schema that includes the EMP, DEPT and BONUS tables with various grants, and
other stuff.
SYS is a schema that includes tons of tables, views, grant...
Override devise registrations controller
... If you override a Devise controller like this, make sure you copy all views from app/views/devise/registrations to app/views/registrations/ (change for whichever controller you're overriding).
– Jamie Cobbett
Mar 21 '11 at 17:29
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versionCode vs versionName in Android Manifest
... The versionCode attribute holds the significant version number used internally.
Reading that it's pretty clear that versionName is just something that's shown to the user, versionCode is what matters. Just keep increasing it and everything should be good.
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Sticky and NON-Sticky sessions
..., a session object is created and remains in the memory of the web server. All the requests from the client go to this web server and update this session object. If some data needs to be stored in the session object over the period of interaction, it is stored in this session object and stays there ...
What's the meaning of Base SDK, iOS deployment target, Target, and Project in xcode
...ect can have multiple targets and you might not want the same settings for all targets. The project-level settings override the default settings and the target-level settings override the project-level settings.
For example I have projects with both OSX and iOS targets and some are ARC and some ar...
Program does not contain a static 'Main' method suitable for an entry point
Suddenly my whole project stopped compiling at all, showing the following message:
9 Answers
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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 ...
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
...e I was unable to find a relevant implementation I decided to accept the challenge.
I made some modifications to the squares demo present in OpenCV and the resulting C++ code below is able to detect a sheet of paper in the image:
void find_squares(Mat& image, vector<vector<Point> >...
Deleting all pending tasks in celery / rabbitmq
How can I delete all pending tasks without knowing the task_id for each task?
9 Answers
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