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Is it possible to start a shell session in a running container (without ssh)
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Keep an eye on this pull request: https://github.com/docker/docker/pull/7409
Which implements the forthcoming docker exec <container_id> <command> utility. When this is available it should be possible to e.g. start and stop the ssh service inside...
What do I use for a max-heap implementation in Python?
...submitted it to PyPI. (Very slight change of heapq module CPython code.)
https://pypi.python.org/pypi/heapq_max/
https://github.com/he-zhe/heapq_max
Installation
pip install heapq_max
Usage
tl;dr: same as heapq module except adding ‘_max’ to all functions.
heap_max = [] ...
WordPress is giving me 404 page not found for all pages except the homepage
...hanged the file /etc/apache2/apache2.conf in section:
<Directory "/var/www/html">
Line changed is:
AllowOverride None
to
AllowOverride All
And restart the web server with
systemctl restart apache2
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Add regression line equation and R^2 on graph
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Here is one solution
# GET EQUATION AND R-SQUARED AS STRING
# SOURCE: https://groups.google.com/forum/#!topic/ggplot2/1TgH-kG5XMA
lm_eqn <- function(df){
m <- lm(y ~ x, df);
eq <- substitute(italic(y) == a + b %.% italic(x)*","~~italic(r)^2~"="~r2,
list(a = format(un...
Merge two Git repositories without breaking file history
...load the newly created repo and add the old remote repository.
git clone https://github.com/alexbr9007/Test.git
cd Test
git remote add OldRepo https://github.com/alexbr9007/Django-React.git
git remote -v
Fetch for all the files from the old repo so a new branch gets created.
git fetch OldRepo
gi...
C++ cout hex values?
...ferent kinds of flags & masks you can use as well. Please refer http://www.cplusplus.com/reference/iostream/ios_base/setf/ for more information.
#include <iostream>
using namespace std;
int main()
{
int num = 255;
cout.setf(ios::hex, ios::basefield);
cout << "Hex: " <...
Attempted to read or write protected memory. This is often an indication that other memory is corrup
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Try to run this command
netsh winsock reset
Source: https://stackoverflow.com/a/20492181/1057791
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How to debug a GLSL shader?
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You can try this: https://github.com/msqrt/shader-printf which is an implementation called appropriately "Simple printf functionality for GLSL."
You might also want to try ShaderToy, and maybe watch a video like this one (https://youtu.be/EBr...
Load different colorscheme when using vimdiff
... are equally beautiful.
curl -fLo ~/.vim/colors/molokai.vim --create-dirs https://raw.githubusercontent.com/tomasr/molokai/master/colors/molokai.vim
curl -fLo ~/.vim/colors/github.vim --create-dirs https://raw.githubusercontent.com/endel/vim-github-colorscheme/master/colors/github.vim
Put the fol...
How to Get True Size of MySQL Database?
...related to data stored in indexes.
Everything is described here:
http://www.mkyong.com/mysql/how-to-calculate-the-mysql-database-size/
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