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Effects of changing Django's SECRET_KEY
...ed, the signature will fail to verify and the user will have to re-authenticate.
For any users that have requested links for a password reset or a custom file download, those links will no longer be valid. The users would simply have to re-request those links.
Someone with more recent and/or salie...
What exactly are iterator, iterable, and iteration?
... that method on the object passed to it.
For example:
>>> s = 'cat' # s is an ITERABLE
# s is a str object that is immutable
# s has no state
# s has a __getitem__() method
>>> t = iter(s) # t is an ITERATOR
...
How do I daemonize an arbitrary script in unix?
... "Checking pid in file $PIDFILE."
#Check to see if process running.
PID=$(cat $PIDFILE 2>/dev/null)
if [[ $? = 0 ]]; then
ps -p $PID >/dev/null 2>&1
if [[ $? = 0 ]]; then
echo "Command $1 already running."
exit
fi
fi
# Write our pid to file.
echo $$ >$PI...
Is gcc 4.8 or earlier buggy about regular expressions?
...d is the GCC major version
Testing
You can test it with GCC like this:
cat << EOF | g++ --std=c++11 -x c++ - && ./a.out
#include <regex>
#if __cplusplus >= 201103L && \
(!defined(__GLIBCXX__) || (__cplusplus >= 201402L) || \
...
What is the (best) way to manage permissions for Docker shared volumes?
...body belongs to a group with a group id equal to TARGET_GID
EXISTS=$(cat /etc/group | grep $TARGET_GID | wc -l)
# Create new group using target GID and add nobody user
if [ $EXISTS == "0" ]; then
groupadd -g $TARGET_GID tempgroup
usermod -a -G tempgroup nobody
else
# GID exi...
Is calculating an MD5 hash less CPU intensive than SHA family functions?
...sum
$ uname -mov
#1 SMP Mon May 13 12:16:08 EDT 2019 ppc64le GNU/Linux
$ cat /proc/cpuinfo
processor : 0
cpu : POWER9, altivec supported
clock : 2166.000000MHz
revision : 2.2 (pvr 004e 1202)
$ ls -l linux-master.tar
-rw-rw-r-- 1 x x 829685760 Jan 29 14:30 linux-...
Why is require_once so bad to use?
...
I'm fairly sure you're right Bobby but I'm not advocating the defines over _once. It's just an option. The time it would take to interpret the code might even make it marginally slower but, that said, I don't know how thorough the internal method is. It might do extra work to...
How to implement a rule engine?
... fast executable code (using Expression trees) and does not need any complicated switch statements:
(Edit : full working example with generic method)
public Func<User, bool> CompileRule(Rule r)
{
var paramUser = Expression.Parameter(typeof(User));
Expression expr = BuildExpr(r, paramUs...
Evenly distributing n points on a sphere
...Alternatively, building on the other answer here (and using Python):
> cat ll.py
from math import asin
nx = 4; ny = 5
for x in range(nx):
lon = 360 * ((x+0.5) / nx)
for y in range(ny):
midpt = (y+0.5) / ny ...
Using IPython notebooks under version control
.../ipynb_output_filter.py
git config --global filter.dropoutput_ipynb.smudge cat
Done!
Limitations:
it works only with git
in git, if you are in branch somebranch and you do git checkout otherbranch; git checkout somebranch, you usually expect the working tree to be unchanged. Here instead you w...