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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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How can I access getSupportFragmentManager() in a fragment?
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This will return android.app.Fragment. In some cases, you need android.support.app.v4.Fragment so it will not work all the time.
– codingpuss
Jan 25 '15 at 2:41
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Why Android Studio says “Waiting For Debugger” if am NOT debugging?
...with Android Studio. Since last night, when I Run my project on my device, appear the message "Waiting For Debugger". It is a very strange behavior because I am not debugging application.
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How to set custom favicon in Express?
I recently started working in Node.js and in the app.js file there is this line:
13 Answers
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Rails 4: assets not loading in production
I'm trying to put my app into production and image and css asset paths aren't working.
18 Answers
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Where is git.exe located?
...ur PATH, but you may find it in a location like: C:\Users\<username>\AppData\Local\GitHub\PortableGit_<numbersandletters>\bin\git.exe
That's the situation for me, in Windows 7 + version 1.0 of GitHub for Windows.
In Windows 10 it appears to be in:
C:\Users\<username>\AppData\Loc...
Redirecting to a relative URL in JavaScript
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If your app is hosted in a sub-uri and the app doesn't know the sub-uri path. If you are at your apps root and you do ../ the app won't know how to get back to its root. For example, the same app is hosted at example.com/myapp and ot...
How to change language of app when user selects language?
I want my app to support three languages Spanish,Portuguese & English. And give option to select language in app.I have made
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Will HTML5 allow web apps to make peer-to-peer HTTP connections?
Is it possible to create a web app that, with the help of a central server, could create direct connections with other users of the same web app? I'm imagining a process similar to UDP hole punching.
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How to use concerns in Rails 4
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As an example, I'll put one well known pattern, the taggable pattern:
# app/models/product.rb
class Product
include Taggable
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end
# app/models/concerns/taggable.rb
# notice that the file name has to match the module name
# (applying Rails conventions for autoloading)
module Taggable
e...