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How to make a HTTP request using Ruby on Rails?
I would like to take information from another website. Therefore (maybe) I should make a request to that website (in my case a HTTP GET request) and receive the response.
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In-memory size of a Python structure
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The recommendation from an earlier question on this was to use sys.getsizeof(), quoting:
>>> import sys
>>> x = 2
>>> sys.getsizeof(x)
14
>>> sys.getsizeof(sys.getsizeof)
32
>>> sys.getsizeof('this'...
Java: random long number in 0
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Starting from Java 7 (or Android API Level 21 = 5.0+) you could directly use ThreadLocalRandom.current().nextLong(n) (for 0 ≤ x < n) and ThreadLocalRandom.current().nextLong(m, n) (for m ≤ x < n). See @Alex's answer for deta...
Hidden Features of PHP? [closed]
...s sounds like a point-whoring question but let me explain where I'm coming from.
78 Answers
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Syntax highlighting for Jade in Sublime Text 2?
...ses a nice packaging system too:
If you need to, install Package Control from here
Open the command palette (command + shift + P) and go to Package Control (just type "install"). You may need to wait for the repository to be updated.
When in package control type "jade" to find the Jade Syntax Hig...
What is the difference between == and equals() in Java?
...o parent classes have provided an override, then it defaults to the method from the ultimate parent class, Object, and so you're left with the Object#equals(Object o) method. Per the Object API this is the same as ==; that is, it returns true if and only if both variables refer to the same object, i...
Delete last char of string
...th - 1);
MSDN:
String.Remove(Int32):
Deletes all the characters from this string beginning at a specified
position and continuing through the last position
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The project type is not supported by this installation
Whenever I try to open a project (csproj) that's downloaded from the internet, most of the times, I get the
15 Answers
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Opening Android Settings programmatically
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I used the code from the most upvoted answer:
startActivityForResult(new Intent(android.provider.Settings.ACTION_SETTINGS), 0);
It opens the device settings in the same window, thus got the users of my android application (finnmglas/Launche...
How to display all methods of an object?
...-in, they're defined by the browser and most likely enumerable by design.
From ECMA-262 Edition 3:
Global Object
There is a unique global
object (15.1), which is created before
control enters any execution context.
Initially the global object has the
following properties:
• B...