Description | Command |
---|---|
Start a new session with session name | screen -S <session_name> |
List running sessions / screens | screen -ls |
Attach to a running session | screen -x |
Attach to a running session with name | screen -r |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#include <thread> | |
#include <iostream> | |
#include <queue> | |
std::mutex mx; | |
std::condition_variable cv; | |
std::queue<int> q; | |
bool finished = false; |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# Released by rdb under the Unlicense (unlicense.org) | |
# Based on information from: | |
# https://www.kernel.org/doc/Documentation/input/joystick-api.txt | |
import os, struct, array | |
from fcntl import ioctl | |
# Iterate over the joystick devices. | |
print('Available devices:') |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#define SIO_C 2 | |
#define SIO_D 4 | |
#define SIO_CLOCK_DELAY 100 | |
void setup() | |
{ | |
pinMode(8,OUTPUT); | |
// while(1) | |
// { |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# -*- coding: utf-8 -*- | |
from pyqtgraph.Qt import QtGui, QtCore | |
import numpy as np | |
from numpy import arange, sin, cos, pi | |
import pyqtgraph as pg | |
import sys | |
class Plot2D(): | |
def __init__(self): | |
self.traces = dict() |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/env/python | |
# coding=utf8 | |
""" | |
Converting Degrees, Minutes, Seconds formatted coordinate strings to decimal. | |
Formula: | |
DEC = (DEG + (MIN * 1/60) + (SEC * 1/60 * 1/60)) | |
Assumes S/W are negative. |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
@import 'https://fonts.googleapis.com/css?family=Open+Sans'; | |
* { | |
-webkit-box-sizing: border-box; | |
box-sizing: border-box; | |
} | |
body { | |
font-family: 'Open Sans', sans-serif; | |
line-height: 1.75em; |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# -*- coding: utf-8 -*- | |
""" | |
Animated 3D sinc function | |
""" | |
from pyqtgraph.Qt import QtCore, QtGui | |
import pyqtgraph.opengl as gl | |
import pyqtgraph as pg | |
import numpy as np | |
import sys |
Goal: Emulate a Raspberry Pi with QEMU in order to run the Raspbian O/S (based on Debian Linux).
The current setup is not ideal. For one thing, the maximum RAM allowed using the "versatile-pb" firmware is 256 Mb. In addition, only the most basic peripherals, a keyboard and mouse, are supported.
A number of articles have been written on this topic. Most are outdated, and the few recent ones are missing key information.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
int main(int argc, char* argv[]) { | |
int n_boards = 0; // Will be set by input list | |
float image_sf = 0.5f; | |
float delay = 1.f; | |
int board_w = 0; | |
int board_h = 0; | |
if(argc < 4 || argc > 6) { | |
cout << "\nERROR: Wrong number of input parameters"; | |
help( argv ); |
OlderNewer