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What is an uninterruptible process?
...can potentially involve spinning up a hard drive, or moving heads. During most of this time, the process will be sleeping, blocking on the hardware.
While the process is sleeping in the system call, it can receive a Unix asynchronous signal (say, SIGTERM), then the following happens:
The system c...
Rails 3 - can't install pg gem
...ur pg-config can be in different locations depending on how you installed postgres.
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Why does running the Flask dev server run itself twice?
...use_reloader to False you'll see the behaviour go away, but then you also lose the reloading functionality:
app.run(port=4004, debug=config.DEBUG, host='0.0.0.0', use_reloader=False)
You can disable the reloader when using the flask run command too:
FLASK_DEBUG=1 flask run --no-reload
You can ...
How to repeat last command in python interpreter shell?
...n startup file
import readline
import rlcompleter
import atexit
import os
# tab completion
readline.parse_and_bind('tab: complete')
# history file
histfile = os.path.join(os.environ['HOME'], '.pythonhistory')
try:
readline.read_history_file(histfile)
except IOError:
pass
atexit....
Using a piano keyboard as a computer keyboard [closed]
...sound (no pun).
MIDI is a stream of "events" (or "messages"), two of the most fundamental being "note on" and "note off" which carry with them the note number (0 = C five octaves below middle C, through 127 = G five octaves above the G above middle C, in semi-tones). These events carry a "velocity"...
When to make a type non-movable in C++11?
...gave a good example of a type which shouldn't be movable: std::mutex.
The OS's native mutex type (e.g. pthread_mutex_t on POSIX platforms) might not be "location invariant" meaning the object's address is part of its value. For example, the OS might keep a list of pointers to all initialized mutex ...
Sublime Text 2 multiple line edit
...s relative to where they are, so they are still not uniformly at the same position in the line. how do i get all the cursors at the start of the line? (for context, i am just trying to add [space]*[space] at the beginning of each line).
– user1063287
Aug 14 '...
Python glob multiple filetypes
...ver match patterns and keep the join inside the loop for simplicity:
from os.path import join
from glob import glob
files = []
for ext in ('*.gif', '*.png', '*.jpg'):
files.extend(glob(join("path/to/dir", ext)))
print(files)
...
How to tell if node.js is installed or not
...
Your OS is either 32-bit or 64-bit. When you install nodejs it picks the matching version.
– arikin
Apr 2 '15 at 7:50
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Remove all breakpoints in IntelliJ IDEA
Is there a possibility to remove all breakpoints in the module (might be using a shortcut) in IntelliJ IDEA IDE? Thanks.
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