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Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
...your laptop (-Y with X-forwarding)
$ssh -Y pi@10.42.0.96
Lo and behold! Now your RPi is connected to your laptop and RPi can share the WiFi connection.
pi@raspberrypi ~ $
Share display & keyboard of your laptop with RPi
Install vncserver on Raspberry Pi
$ sudo apt-get update
$ sudo ap...
How to add minutes to my Date
...lang3.time package
int addMinuteTime = 5;
Date targetTime = new Date(); //now
targetTime = DateUtils.addMinutes(targetTime, addMinuteTime); //add minute
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Difference between \b and \B in regex
...ern to be searched for is 'cat':
text = "catmania thiscat thiscatmaina";
Now definitions,
'\b' finds/matches the pattern at the beginning or end of each word.
'\B' does not find/match the pattern at the beginning or end of each word.
Different Cases:
Case 1: At the beginning of each word
resu...
How can I generate Unix timestamps?
...1970-01-01 00:00:00 UTC. (GNU Coreutils 8.24 Date manual)
Example output now 1454000043.
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Effects of the extern keyword on C functions
...ar.c.
Here is foo.c
#include <stdio.h>
volatile unsigned int stop_now = 0;
extern void bar_function(void);
int main(void)
{
while (1) {
bar_function();
stop_now = 1;
}
return 0;
}
Now, here is bar.c
#include <stdio.h>
extern volatile unsigned int stop_now;
void b...
Test if remote TCP port is open from a shell script
... > /dev/tcp/sfsfdfdff.com/80'
bash: sfsfdfdff.com: Name or service not known
bash: /dev/tcp/sfsfdfdff.com/80: Invalid argument
$ echo $?
1
# Connection not established by the timeout
$ timeout 1 bash -c 'cat < /dev/null > /dev/tcp/google.com/81'
$ echo $?
124
What's happening here is tha...
Is git-svn dcommit after merging in git dangerous?
...s squash technic I used before is no longer required.
My new workflow is now as follows:
I have a "master" branch that is the only branch that I dcommit from and that clone the SVN repository (-s assume you have a standard SVN layout in the repository trunk/, branches/, and tags/):
git svn clo...
Can git automatically switch between spaces and tabs?
... .git/info/attributes which contains:
*.py filter=tabspace
Linux/Unix
Now run the commands:
git config --global filter.tabspace.smudge 'unexpand --tabs=4 --first-only'
git config --global filter.tabspace.clean 'expand --tabs=4 --initial'
OS X
First install coreutils with brew:
brew install...
Git and nasty “error: cannot lock existing info/refs fatal”
... I've added some background info, but I must honestly say I don't know exactly why and how this works :)
– arno_v
Jan 12 '18 at 7:36
1
...
Remove sensitive files and their commits from Git history
...pository like GitHub and others have cloned that remote repository, you're now in a situation where you're rewriting history. When others try pull down your latest changes after this, they'll get a message indicating that the changes can't be applied because it's not a fast-forward.
To fix this, t...