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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...
Android LinearLayout Gradient Background
... not working for me. I have updated the original question with what I have now.
– Genesis
May 12 '11 at 11:07
Does it ...
Why are side-effects modeled as monads in Haskell?
...etContents ~~~ putStrLn
without touching the real world.
"Impurification"
Now suppose we want to make the file content uppercase as well. Uppercasing is a pure function
upperCase :: String -> String
But to make it into the real world, it has to return an IO String. It is easy to lift such a fun...
How can I tell if one commit is a descendant of another commit?
...vuan 7.10 jessie) and 1.9.1 (Ubuntu 14.04 trusty) which are rather ancient now. It works even for Debian wheezy, if you do sudo apt-get install git/wheezy-backports.
– Tino
Feb 18 '18 at 12:12
...
How to avoid “cannot load such file — utils/popen” from homebrew on OSX
...ks! Though, changing permissions on /usr/local doesn't seem to be required now. "Homebrew no longer needs to have ownership of /usr/local. If you wish you can return /usr/local to its default ownership with: sudo chown root:wheel /usr/local"
– Bert
Nov 1 '16...
UIButton custom font vertical alignment
...s unpack the OS X Font Tools.pkg with
~$ xar -xf OS\ X\ Font\ Tools.pkg
Now navigate into the folder fontTools.pkg with
~$ cd fontTools.pkg/
Extract payload with
~$ cat Payload | gunzip -dc | cpio -i
Now the ftxdumperfuser binary is in your current folder. You could move it to /usr/local/b...
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...
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...
How to create has_and_belongs_to_many associations in Factory girl
...
Factorygirl has since been updated and now includes callbacks to solve this problem. Take a look at http://robots.thoughtbot.com/post/254496652/aint-no-calla-back-girl for more info.
share...
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:
...