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Why does pthread_cond_wait have spurious wakeups?
...ion is given by David R. Butenhof in "Programming with POSIX Threads" (p. 80):
Spurious wakeups may sound strange, but on some multiprocessor systems, making condition wakeup completely predictable might substantially slow all condition variable operations.
In the following comp.programming.th...
Inheriting class methods from modules / mixins in Ruby
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Sergio TulentsevSergio Tulentsev
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How to get process ID of background process?
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605
You need to save the PID of the background process at the time you start it:
foo &
FOO_PID...
TypeScript “this” scoping issue when called in jquery callback
...ance trade-off compared to the first method
Good: In TypeScript, this has 100% type safety
Good: Works in ECMAScript 3
Good: You only have to type the instance name once
Bad: You'll have to type the parameters twice
Bad: Doesn't work with variadic parameters
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Determine if 2 lists have the same elements, regardless of order? [duplicate]
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answered Jan 15 '12 at 0:40
phihagphihag
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What is “stdafx.h” used for in Visual Studio?
...afx.h is automatically generated when I start a project in Visual Studio 2010. I need to make a cross-platform C++ library, so I don't/can't use this header file.
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Recommended way to save uploaded files in a servlet application
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edited Jun 20 at 9:12
Community♦
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answered Sep 6 '13 at 18:58
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py2exe - generate single executable file
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106
PyInstaller will create a single .exe file with no dependencies; use the --onefile option. It d...
Python UTC datetime object's ISO format doesn't include Z (Zulu or Zero offset)
...e zone info by default, and without it, Python actually violates the ISO 8601 specification (if no time zone info is given, assumed to be local time). You can use the pytz package to get some default time zones, or directly subclass tzinfo yourself:
from datetime import datetime, tzinfo, timedelta
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Multiplication on command line terminal
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209
Yes, you can use bash's built-in Arithmetic Expansion $(( )) to do some simple maths
$ echo "$...