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What's the best way to send a signal to all members of a process group?

I want to kill a whole process tree. What is the best way to do this using any common scripting languages? I am looking for a simple solution. ...
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Binary search (bisection) in Python

Is there a library function that performs binary search on a list/tuple and return the position of the item if found and 'False' (-1, None, etc.) if not? ...
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'is' versus try cast with null check

I noticed that Resharper suggests that I turn this: 7 Answers 7 ...
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How do you reverse a string in place in JavaScript?

How do you reverse a string in place (or in-place) in JavaScript when it is passed to a function with a return statement, without using built-in functions ( .reverse() , .charAt() etc.)? ...
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Understanding slice notation

I need a good explanation (references are a plus) on Python's slice notation. 33 Answers ...
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“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP

I'm running a PHP script and continue to receive errors like: 28 Answers 28 ...
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Finding duplicate rows in SQL Server

I have a SQL Server database of organizations, and there are many duplicate rows. I want to run a select statement to grab all of these and the amount of dupes, but also return the ids that are associated with each organization. ...
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Disable Enable Trigger SQL server for a table

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Print a string as hex bytes?

I have this string: Hello world !! and I want to print it using Python as 48:65:6c:6c:6f:20:77:6f:72:6c:64:20:21:21 . 13...
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How do I parse command line arguments in Java?

What is a good way of parsing command line arguments in Java? 20 Answers 20 ...