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What do parentheses surrounding an object/function/class declaration mean? [duplicate]
...those expressions.
It is a useful construct when trying to hide variables from the parent namespace. All the code within the function is contained in the private scope of the function, meaning it can't be accessed at all from outside the function, making it truly private.
See:
http://en.wikipedia...
What does __FILE__ mean in Ruby?
...foo.rb".
Edit: Ruby 1.9.2 and 1.9.3 appear to behave a little differently from what Luke Bayes said in his comment. With these files:
# test.rb
puts __FILE__
require './dir2/test.rb'
# dir2/test.rb
puts __FILE__
Running ruby test.rb will output
test.rb
/full/path/to/dir2/test.rb
...
json_encode/json_decode - returns stdClass instead of Array in PHP
...","newspaper","sand paper","monitor","tree"]}
The JSON format was derived from the same standard as JavaScript (ECMAScript Programming Language Standard) and if you would look at the format it looks like JavaScript. It is a JSON object ({} = object) having a property "stuff" with value "things" and...
How to open a new tab using Selenium WebDriver?
...w instead of ne tab. It does so on Firefox in test mode. At least when run from Katalon (which uses Selenium under the hood).
– Nux
Sep 3 at 9:06
add a comment
...
Shell script - remove first and last quote (") from a variable
Below is the snippet of a shell script from a larger script. It removes the quotes from the string that is held by a variable. I am doing it using sed, but is it efficient? If not, then what is the efficient way?
...
'const string' vs. 'static readonly string' in C#
...
+1, And the obvious conclusion, from a practical and semantic point-of-view: const should only be used for constants - constants being values that never, ever, ever change.
– LukeH
Jul 6 '10 at 23:49
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Push Notifications in Android Platform
I am looking to write an app that receives pushed alerts from a server. I found a couple of methods to do this.
20 Answer...
How to print to console in pytest?
...1 unfortunately it only prints the test function block, but not the output from print statements :( any more tricks for this?
– U.V.
Sep 29 '18 at 22:15
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Java: How to get input from System.console()
I am trying to use Console class to get input from user but a null object is returned when I call System.console() . Do I have to change anything before using System.console?
...
How to complete a git clone for a big project on an unstable connection?
...ne is interrupted
in the middle the user currently needs
to start over from the beginning and
try again. For some users this may
make it impossible to clone a large
repository.
Goal: Allow git-clone to automatically
resume a previously failed download
over the native git:// protoc...