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What does send() do in Ruby?
... a ruby (without rails) method allowing to invoke another method by name.
From documentation
class Klass
def hello(*args)
"Hello " + args.join(' ')
end
end
k = Klass.new
k.send :hello, "gentle", "readers" #=> "Hello gentle readers"
http://corelib.rubyonrails.o...
How can I “disable” zoom on a mobile web page?
...vice-width, initial-scale=1.0">
Prevent scaling- and prevent the user from being able to zoom:
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
Removing all zooming, all scaling
<meta name="viewport" content="user-scalable=no, ...
How to find out the MySQL root password
...r what you set it to, it won't let you use it. it's expecting you to login from a privileged socket.
so
mysql -u root -p
will not work at all, even if you are using the correct password!!! it will deny access no matter what you put in.
Instead you need to use
sudo mysql
that will work with o...
Best way to add page specific JavaScript in a Rails 3 app?
...f you want them precompiled. However, if you require every javascript file from application.js.coffee then all the javacsripts will be loaded every time you navigate to a different page, and the purpose of doing page-specific javascripts will be defeated.
Therefore, you need to create your own man...
What is a None value?
..., there was already an F sticker on the None, and all you did was move it, from None to "fork". So when you type F = None, you're "reset[ting] it to its original, empty state", if we decided to treat None as meaning empty state.
I can see what he's getting at, but that's a bad way to look at it. ...
#import using angle brackets < > and quote marks “ ”
...rm is for "local" includes of files (you need to specify the relative path from the current file, e.g. #include "headers/my_header.h"), while the angle-bracket form is for "global" includes -- those found somewhere on the include path passed to the compiler (e.g. #include <math.h>).
So to hav...
How to use Git?
...r changes, made their own commits, and pushed them.
So to get the changes from our team members, we need to pull the repository.
Use git pull origin master
6) Create Branches
Lets think that you are working on a feature or a bug. Better you can create a copy of your code(Branch) and make separ...
java.lang.OutOfMemoryError: Java heap space in Maven
...e to never (which is be a not so good idea because Maven won't be isolated from the test) ~or~
use the argLine parameter (the right way):
In the later case, something like this:
<configuration>
<argLine>-Xmx1024m</argLine>
</configuration>
But I have to say that I ten...
The program can't start because libgcc_s_dw2-1.dll is missing
...tion (keeps down the size of the executable).
Updated:
Based on feedback from Greg Treleaven (see comments below), I'm adding links to:
[Screenshot of Code::Blocks "Project build options"]
[GNU gcc link options]
The latter discussion includes -static-libgcc and -static-libstdc++ linker option...
Appending a line to a file only if it does not already exist
... to put a regex that matches your entry, i.e. to escape all regex controls from your actual entry, i.e. to put a backslash in front of ^$/*?+().
this might fail on the last line of your file or if there's no dangling newline, I'm not sure, but that could be dealt with by some nifty branching...
...