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Android 4.1: How to check notifications are disabled for the application?
...d for the new notifications declares that you can't.
Edit
2016 update: Now you can check it, as said in this Google I/O 2016 video.
Use NotificationManagerCompat.areNotificationsEnabled(), from support library, to check if notifications are blocked on API 19+. The versions below API 19 will ret...
Why can't I reference my class library?
...e to our current 4.0 requirement, I downgraded the new solution to 4.0 and now my other project has no problems building against it. +1 for helping me stay sane!
– David Peterson
Nov 27 '12 at 22:57
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changing source on html5 video tag
...tag, but it would always generate a failure on a javascript debug console. Now I know I can hold off on adding a 'source' until the user selects one. Till now, I didn't understand I needed to make the use CreateElement() to make a source, and then use appendChild() to add it to the video element! Fo...
How to use concerns in Rails 4
The default Rails 4 project generator now creates the directory "concerns" under controllers and models. I have found some explanations about how to use routing concerns, but nothing about controllers or models.
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Tab key == 4 spaces and auto-indent after curly braces in Vim
...As has been pointed out in a couple of answers below, the preferred method now is NOT to use smartindent, but instead use the following (in your .vimrc):
filetype plugin indent on
" show existing tab with 4 spaces width
set tabstop=4
" when indenting with '>', use 4 spaces width
set shiftwidth=4...
Styling HTML email for Gmail
...
They now do media queries too and fuller support for css styling. stackoverflow.com/questions/39759764/…
– crowmagnumb
Sep 30 '16 at 15:44
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Why use argparse rather than optparse?
...er command-line parsing module. In addition to getopt and optparse we now have argparse .
5 Answers
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Fully custom validation error message with Rails
...
Now, the accepted way to set the humanized names and custom error messages is to use locales.
# config/locales/en.yml
en:
activerecord:
attributes:
user:
email: "E-mail address"
errors:
models:
...
android View not attached to window manager
... thread which survives the activity restart and may hold references to the now dead Activity and its Views (this is a effectively a memory leak, albeit probably a short term one - depends how long the task takes to complete). The solution above works fine, if you're happy to accept a short term mem...
Really killing a process in Windows
...ocesses-Tab calls TerminateProcess which is the most ultimate way Windows knows to kill a process.
If it doesn't go away, it's currently locked waiting on some kernel resource (probably a buggy driver) and there is nothing (short of a reboot) you could do to make the process go away.
Have a look a...