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Which Java Collection should I use?
...t duplicated values in your collection.
Here is the complete explanation http://javatutorial.net/choose-the-right-java-collection , including flowchart etc
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Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?
...pty : str;
// then concatenate that string array
(MSDN mentions it, too: http://msdn.microsoft.com/en-us/library/k9c94ey1.aspx)
On the other hand, ToString() is an instance method, which you cannot call on null (what type should be used for null?).
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What does the 'b' character do in front of a string literal?
Apparently, the following is the valid syntax:
8 Answers
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Finding row index containing maximum value using R
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How can I generate a unique ID in Python? [duplicate]
I need to generate a unique ID based on a random value.
8 Answers
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Is there a built-in function to print all the current properties and values of an object?
...n built-in module sys:
NAME
sys
FILE
(built-in)
MODULE DOCS
http://www.python.org/doc/current/lib/module-sys.html
DESCRIPTION
This module provides access to some objects used or maintained by the
interpreter and to functions that interact strongly with the interpreter.
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What does a space mean in a CSS selector? i.e. What is the difference between .classA.classB and .cl
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system(“pause”); - Why is it wrong?
Here's a question that I don't quite understand:
13 Answers
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How to make the 'cut' command treat same sequental delimiters as one?
...ng
and much more. None of which is provided by standard cut.
See also: https://stackoverflow.com/a/24543231/1296044
Source and documentation (free software): http://arielf.github.io/cuts/
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How many concurrent requests does a single Flask process receive?
I'm building an app with Flask, but I don't know much about WSGI and it's HTTP base, Werkzeug. When I start serving a Flask application with gunicorn and 4 worker processes, does this mean that I can handle 4 concurrent requests?
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