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How to determine whether a given Linux is 32 bit or 64 bit?
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The arch command is not available on every unix system, while uname should be.
– Gabriel Hautclocq
May 16 '17 at 7:29
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Measuring elapsed time with the Time module
...lly be the same thing.
Before 3.3, you're stuck with time.clock().
On Unix, return the current processor time as a floating point number expressed in seconds. The precision, and in fact the very definition of the meaning of “processor time”, depends on that of the C function of the same nam...
Can't connect to local MySQL server through socket homebrew
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@Esteban MySQL will try to connect to the unix socket if you tell it to connect to "localhost". If you tell it to connect to 127.0.0.1 you are forcing it to connect to the network socket. So probably you have MySQL configured to only listen to the network socket and ...
Does a finally block always get executed in Java?
...f the OS forcibly terminates the JVM process; e.g., kill -9 <pid> on UNIX
If the host system dies; e.g., power failure, hardware error, OS panic, et cetera
If the finally block is going to be executed by a daemon thread and all other non-daemon threads exit before finally is called
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Bash variable scope
...the environment and can't pass any
variables back to its parent (as in any unix process).
Therefore you'll need to restructure so that you're not piping into the loop.
Alternatively you could run in a function, for example, and echo the value you
want returned from the sub-process.
http://tldp.org...
Retrieve filename from file descriptor in C
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What do you expect? Unless it's a UNIX socket, it has no file associated.
– zneak
Jan 17 '15 at 13:23
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How do I get PyLint to recognize numpy members?
...duced by static analysis. It
# supports qualified module names, as well as Unix pattern matching.
ignored-modules=numpy
# List of classes names for which member attributes should not be checked
# (useful for classes with attributes dynamically set). This supports can work
# with qualified names.
ig...
Yank file name / path of current buffer in Vim
... version)
if has("gui_gtk") || has("gui_gtk2") || has("gui_gnome") || has("unix")
" relative path (src/foo.txt)
nnoremap <leader>cf :let @+=expand("%")<CR>
" absolute path (/something/src/foo.txt)
nnoremap <leader>cF :let @+=expand("%:p")<CR>
" filename (foo.txt)
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Mongod complains that there is no /data/db folder
...shtml
Maybe also check out one of the tutorials you can find via Google: "UNIX for beginners"
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How to execute raw SQL in Flask-SQLAlchemy app
... (if your module/app is manage.py in the principal folder and you are in a UNIX Operating system), run:
export FLASK_APP=manage
Run Flask shell
flask shell
Import what we need::
from flask import Flask
from flask_sqlalchemy import SQLAlchemy
db = SQLAlchemy(app)
from sqlalchemy import text
...