Detect the current jQuery version
You can say this in Javascript:
$.fn.jquery
=> "1.11.1"
Related cards:
Git: In an (interactive) rebase, find out which commit you are currently working on (until version < 1.7.9.5)
When you are using git rebase
and are currently editing a commit (due to a conflict, for example), you may want to know the current commit. [1]\
Luckily, there is lots of useful stuff in the .git
directory.
Commit hash that you are curre...
jQuery: Find a selector in both descendants and the element itself
jQuery's find
looks in the element's descendants. It will never return the current element itself, even if the element matches the given selector.
Require the attached file and you can now say:
$('.container...
Github: How to find the Readme for a certain version of a gem
When a gem author releases a new version to Rubygems, usually a tag with the version number (e.g. v1.2.0
) is created an pushed to Github, so everyone can check out or take a look at the source code at this point version release at a later time.
...
Capistrano: How to find out which version of your application is currently live
When deploying, Capistrano puts a REVISION
file into your application's release directory. It contains the hash of the commit which was deployed.
If you want to know the currently deployed release, simply SSH to a server and view that file.
``...
byebug / ruby-debug: Find out current debugger position
So you are debugging like a boss and lost track of where you actually are in your code? No problem:
- Calling "
l=
" will show you the current file and line. That's a lower-caseL
and an equals sign. - "
where
" (or "backtrace
") will give you...
git: find the version of a gem that releases a certain commit
Sometimes I ran across a GitHub merge request of a gem where it was not completely obvious in which version the change was released. This might be the case for a bugfix PR that you want to add to your project.
Git can help you to find the next gi...
Version 5 of the Ruby Redis gem removes Redis.current
Redis.current
will be removed without replacement in redis-rb
5.0.
Version 4.6.0 adds deprecation warnings for Redis.current
and Redis.current=
:
`Redis.current=` is deprecated and will be removed in 5.0.
If your application still ...
Detect the current Rails environment from JavaScript or CSS
Detecting if a Javascript is running under Selenium WebDriver is super-painful. It's much easier to detect the current Rail...
How to find out your Ubuntu's release codename or version
So you want to know if you are on natty
, precise
, quantal
, or something else? Check /etc/lsb-release
.
$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=12.04
DISTRIB_CODENAME=precise
DISTRIB_DESCRIPTION="Ubuntu 12.04.2 LTS"
``...
CSS: How to find out the rendered font in chrome
The rendered font often depends on the local font your system provides, therefore you often find a rule like below in the computed style for an element:
font-family: Menlo,Monaco,Lucida Console,Liberation Mono,DejaVu Sans Mono,Bitstream Vera ...