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Rails 3.1: Engine vs. Mountable App
... app? In Rails 3.1, you can create either one with the "rails new plugin ___ " command.
5 Answers
...
CoffeeScript, When to use fat arrow (=>) over arrow (->) and vice versa
...just call DummyClass.
class DummyClass
constructor : () ->
some_function : () ->
return "some_function"
other_function : () =>
return "other_function"
dummy = new DummyClass()
dummy.some_function() == "some_function" # true
dummy.other_function() == "other...
NullPointerException in Java with no StackTrace
...roduction – and the fix
I've tested it on Mac OS X
java version "1.6.0_26"
Java(TM) SE Runtime Environment (build 1.6.0_26-b03-383-11A511)
Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02-383, mixed mode)
Object string = "abcd";
int i = 0;
while (i < 12289) {
i++;
try {
In...
Using Default Arguments in a Function
...esn't answer your question, but is hopefully informative:
public function __construct($params = null)
{
if ($params instanceof SOMETHING) {
// single parameter, of object type SOMETHING
} else if (is_string($params)) {
// single argument given as string
} else if (is_arr...
Send inline image in email
...chment(filePath);
att.ContentDisposition.Inline = true;
mail.From = from_email;
mail.To.Add(data.email);
mail.Subject = "Client: " + data.client_id + " Has Sent You A Screenshot";
mail.Body = String.Format(
"<h3>Client: " + data.client_id + " Has Sent You A Screenshot</h3&...
How to write :hover condition for a:before and a:after?
... answered Jul 14 at 14:12
shree_2433shree_2433
1
add a comment
...
How do I install Maven with Yum?
...apache-maven
Next add the env variables to your ~/.bashrc file
export M2_HOME=/usr/local/apache-maven
export M2=$M2_HOME/bin
export PATH=$M2:$PATH
Execute these commands
source ~/.bashrc
6:. Verify everything is working with the following command
mvn -version
...
typeof !== “undefined” vs. != null
...gument, or as a global variable), I think the best way to do it is:
if (my_variable === undefined)
jQuery does it, so it's good enough for me :-)
Otherwise, you'll have to use typeof to avoid a ReferenceError.
If you expect undefined to be redefined, you could wrap your code like this:
(functi...
Sorting object property by values
...
_.pairs turns an object into [ [key1, value1], [key2, value2] ]. Then call sort on that. Then call _.object on it to turn it back.
– Funkodebat
Feb 20 '14 at 14:45
...
Is it acceptable and safe to run pip install under sudo?
...ns together will get me back on track :)
– markwalker_
Feb 22 '13 at 16:40
1
also, for installing...