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Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio
I'm developing an app on Heroku with a Postgresql backend. Periodically, I get this error message when trying to access the database, both from the CLI and from loading a page on the server:
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Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
I'm working through some exercises and have got a warning that states:
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How to set the thumbnail image on HTML5 video?
Is there a way to set thumbnail image on HTML5 video?
I want to see some pictures before play.
My code looks like this:
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Apply CSS styles to an element depending on its child elements
Is it possible to define a CSS style for an element, that is only applied if the matching element contains a specific element (as the direct child item)?
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Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation
It is loosely related to this question: Are std::thread pooled in C++11? . Though the question differs, the intention is the same:
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Inheritance and Overriding __init__ in python
I was reading 'Dive Into Python' and in the chapter on classes it gives this example:
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std::auto_ptr to std::unique_ptr
With the new standard coming (and parts already available in some compilers), the new type std::unique_ptr is supposed to be a replacement for std::auto_ptr .
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How do you use Mongoose without defining a schema?
In previous versions of Mongoose (for node.js) there was an option to use it without defining a schema
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Give all the permissions to a user on a DB
I would like to give an user all the permissions on a database without making it an admin.
The reason why I want to do that is that at the moment DEV and PROD are different DBs on the same cluster so I don't want a user to be able to change production objects but it must be able to change objects on...
SQL, Postgres OIDs, What are they and why are they useful?
I am looking at some PostgreSQL table creation and I stumbled upon this:
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