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Why should text files end with a newline?
...
Because that’s how the POSIX standard defines a line:
3.206 Line
A sequence of zero or more non- <newline> characters plus a terminating <newline> character.
Therefore, lines not ending in a newline character aren't conside...
What is the difference between user and kernel modes in operating systems?
...mory address. Kernel
mode is generally reserved for the
lowest-level, most trusted functions
of the operating system. Crashes in
kernel mode are catastrophic; they
will halt the entire PC.
User Mode
In User mode, the executing code has no ability to directly access
hardware or ref...
What's the difference between compiled and interpreted language?
...ne in MINT and TRAC
One thing that complicates the issue is that it is possible to translate (compile) bytecode into native machine instructions. Thus, a successful intepreted implementation might eventually acquire a compiler. If the compiler runs dynamically, behind the scenes, it is often ca...
Get Slightly Lighter and Darker Color from UIColor
... a brightness/value of 1, thus making lightening through the brightness impossible. I ended up working with changes on RGB values instead.
– rchampourlier
Jun 4 '13 at 10:01
...
What does if __name__ == “__main__”: do?
...ightly different code sample to explore how imports and scripts work. Suppose the following is in a file called foo.py.
# Suppose this is foo.py.
print("before import")
import math
print("before functionA")
def functionA():
print("Function A")
print("before functionB")
def functionB():
p...
Is main() really start of a C++ program?
... control with C++ because you specified to have sections of code execute (possibly) out-of-order.
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How to stop Jenkins installed on Mac Snow Leopard?
I have installed Jenkins executable on OSX, but now I want to stop it running. Whenever I kill it, no matter how, it just restarts immediately.
...
How to install GCC piece by piece with GMP, MPFR, MPC, ELF, without shared libraries?
...nstall gcc # for Debian, Ubuntu, etc.
yum install gcc # for RedHat, CentOS, etc.
brew install gcc # for Mac OS X
The Hard Way
GCC says the answer here is "the hard way" because it builds everything piece by piece, and does not use shared libraries.
GCC infrastructure
Get the GCC infrastru...
Greenlet Vs. Threads
...alls that would normally block the current thread, projects like gevent expose this concurrency without requiring change to an asynchronous API, and at significantly less cost to your system.
Concurrency is not parallelism
Threads vs. processes
Multiprocessing vs. threads
GIL vs. CPython
...
How do I output coloured text to a Linux terminal?
... This was the bee's knees on the BBS…
– Potatoswatter
Apr 11 '10 at 13:03
11
What does m ...