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How do the likely/unlikely macros in the Linux kernel work and what is their benefit?
I've been digging through some parts of the Linux kernel, and found calls like this:
10 Answers
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Installing SetupTools on 64-bit Windows
I'm running Python 2.7 on Windows 7 64-bit, and when I run the installer for setuptools it tells me that Python 2.7 is not installed. The specific error message is:
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How to install 2 Anacondas (Python 2 and 3) on Mac OS
... I've just installed XCode (for c++ compiler) and Anaconda with the latest Python 3 (for myself). Now I'm wondering how to install properly second Anaconda (for work) with Python 2?
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How can I find where Python is installed on Windows?
I want to find out my Python installation path on Windows. For example:
19 Answers
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How to recognize USB devices in Virtualbox running on a Linux host? [closed]
I tried to use USB devices without any success. It seems they are not detected by Virtualbox itself, since if I select the guest from the Virtualbox home (I'm using a Windows XP 3 guest), choose Settings -> USB -> Add filter from device, no devices is listed, even if an USB pen is attached and recog...
How to install pip for Python 3 on Mac OS X?
OS X (Mavericks) has Python 2.7 stock installed. But I do all my own personal Python stuff with 3.3. I just flushed my 3.3.2 install and installed the new 3.3.3. So I need to install pyserial again. I can do it the way I've done it before, which is:
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Get current time in seconds since the Epoch on Linux, Bash
...xt Fri'
Better yet, take some time to read the man page
http://man7.org/linux/man-pages/man1/date.1.html
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What is the difference between sigaction and signal?
...gaction() are OK in multi-threaded applications.
Cornstalks observes:
The Linux man page for signal() says:
The effects of signal() in a multi-threaded process are unspecified.
Thus, I think sigaction() is the only that can be used safely in a multi-threaded process.
That's interesting. The L...
Executing multi-line statements in the one-line command-line?
I'm using Python with -c to execute a one-liner loop, i.e.:
17 Answers
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What are the correct link options to use std::thread in GCC under linux?
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I think on Linux pthread is used to implement std::thread so you need to specify the -pthread compiler option.
As this is a linking option, this compiler option need to be AFTER the source files:
$ g++ -std=c++0x test.cpp -pthread
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