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$(window).width() not the same as media query
...nsistent with the CSS media queries and the browser support is quite good: http://caniuse.com/#feat=matchmedia
UPDATE:
If you have to support more browsers you can use Modernizr's mq method, it supports all browsers that understand media queries in CSS.
if (Modernizr.mq('(max-width: 767px)')) {
...
Ruby get object keys as array
...
Like taro said, keys returns the array of keys of your Hash:
http://ruby-doc.org/core-1.9.3/Hash.html#method-i-keys
You'll find all the different methods available for each class.
If you don't know what you're dealing with:
puts my_unknown_variable.class.to_s
This will output the...
How do RVM and rbenv actually work?
...
I wrote an in-depth article: http://niczsoft.com/2011/11/what-you-should-know-about-rbenv-and-rvm/
The basic difference is where the shell environment is changed:
RVM: it's changed when you change Ruby.
rbenv: it's changed when you run a Ruby/gem exec...
git ignore all files of a certain type, except those in a specific subfolder
...ttern
matches, this will override lower
precedence patterns sources.
http://schacon.github.com/git/gitignore.html
*.json
!spec/*.json
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fo...
Calling clojure from java
...T"
:description "An example of stand alone Clojure-Java interop"
:url "http://clarkonium.net/2013/06/java-clojure-interop-an-update/"
:license {:name "Eclipse Public License"
:url "http://www.eclipse.org/legal/epl-v10.html"}
:dependencies [[org.clojure/clojure "1.5.1"]]
:aot :all
:main...
Change a Rails application to production
... your Rails project, rails s, and get a development version of your app at http://something.com:3000. Production mode is a little trickier to configure.
I've been messing around with this for a while, so I figured I'd write this up for the newbies (such as myself). There are a few little tweaks whi...
How can I switch to a tag/branch in hg?
I followed the documentation in https://developer.mozilla.org/En/Developer_Guide/Source_Code/Mercurial
and downloaded FF source with:
...
How to view the list of compile errors in IntelliJ?
... and Eclipse Kepler:
Relevant Links:
The maven project shown above : https://github.com/ajorpheus/CompileTimeErrors
FAQ For 'Eclipse Mode' / 'Automatically Compile' a project : http://devnet.jetbrains.com/docs/DOC-1122
...
How do I generate random number for each row in a TSQL Select?
...HECKSUM(NEWID())) * 10 as INT) + 1
Transact-SQL Documentation:
CAST(): https://docs.microsoft.com/en-us/sql/t-sql/functions/cast-and-convert-transact-sql
RAND(): http://msdn.microsoft.com/en-us/library/ms177610.aspx
CHECKSUM(): http://msdn.microsoft.com/en-us/library/ms189788.aspx
NEWID(): https...
Check if a row exists, otherwise insert
...oid taking large numbers of row-level locks in a single transaction).
See http://msdn.microsoft.com/en-us/library/ms187373.aspx for more information.
Note that locks are taken as the statements which take them are executed - invoking begin tran doesn't give you immunity against another transaction...