Jamesits’s gists

Jamesits / opensuse_gnome_themes.sh

Created October 28, 2018 07:38

OpenSUSE basic customization

	sudo zypper addrepo https://download.opensuse.org/repositories/home:lbssousa:numix/openSUSE_Leap_15.0/home:lbssousa:numix.repo
	sudo zypper in autoconf automake sassc pkg-config gtk3-devel gnome-themes-standard gtk2-engine-murrine numix-icon-theme
	git clone https://github.com/andreisergiu98/arc-flatabulous-theme --depth 1 && cd arc-flatabulous-theme
	./autogen.sh --prefix=/usr
	sudo make install

Jamesits / cloudflare_update_ddns.sh

Created September 4, 2018 12:25

Update dynamic DNS entry on CloudFlare

	#!/bin/bash
	set -eu

	# account config
	AUTH_EMAIL="your-email@domain.tld"
	AUTH_KEY="xxxxxxxxxxxxxxxxxxxxxxxxx"
	ZONE_IDENTIFIER="yyyyyyyyyyyyyyyyyyyyyyyyyy"
	RECORD_IDENTIFIER="zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"

	# record config

Jamesits / nds.log

Last active May 1, 2018 08:08

DSLinux boot dmesg - iQue DS lite, M3 Lite Professional MicroSD expension card https://youtu.be/3_eYCO_clR0

	Linux version 2.6.14-hsc0ds (stsp@len) (gcc version 4.0.4) #5 Mon Feb 27 17:02:50 CET 2012
	CPU: ARM946E [41009460] revision 0 (ARMvundefined/unknown)
	Machine: Nintendo DS
	Memory management: Non-Paged(unused/noMMU)
	Ignoring unrecognised tag 0x00000000
	On node 0 totalpages: 9216
	DMA zone: 9216 pages, LIFO batch:3
	Normal zone: 0 pages, LIFO batch:1
	HighMem zone: 0 pages, LIFO batch:1
	CPU0: D VIVT write-back cache

Jamesits / high-frequency-square-wave-generator-esp8266.ino

Last active March 19, 2026 01:56

High-accuracy square wave generator (up to 250KHz) based on ESP8266, with runtime adjustable frequency, PWM width and offset.

	// High-accuracy square wave generator
	// based on ESP8266
	// with runtime adjustable frequency, PWM width and offset
	// Output wave at pin 5 (configurable from 0 to 15, but not 16)
	// by James Swineson <github@public.swineson.me>, 2017-10
	// https://gist.github.com/Jamesits/92394675c0fe786467b26f90e95d3904
	// See https://blog.swineson.me/implementation-of-6mbps-high-speed-io-on-esp8266-arduino-ide/
	// for more information (article in Chinese)
	// Arduino UNO version: https://gist.github.com/Jamesits/8d164818946a65d0cafcd6203e3e5049

Jamesits / preload.cpp

Created September 8, 2017 06:38 — forked from m13253/preload.cpp

Preload files into memory cache, for example IME database, in case you have a slow HDD.

	#include <windows.h>
	#include <string>

	using namespace std::string_literals;

	constexpr size_t buffer_size = 64*1024;
	static char buffer[buffer_size];

	static DWORD PrintString(HANDLE h_stdout, std::wstring const& string) {
	DWORD count;

Jamesits / docker_cleanup.sh

Created August 23, 2017 03:34

Docker cleanup unused things

	#!/usr/bin/env bash

	# USE WITH CAUTION

	# remove all exited containers
	docker rm $(docker ps -a -f status=exited -f status=created -q)

	# remove dangling volumes
	docker volume rm $(docker volume ls -f dangling=true -q)

Jamesits / ubuntu_enable_bbr.sh

Last active December 13, 2022 22:27

Ubuntu enable BBR

	#!/bin/bash
	set -eu

	SYSCTL_FILE=/etc/sysctl.d/90-tcp-bbr.conf

	# check root
	if [[ $EUID -ne 0 ]]; then
	echo "This script must be run as root"
	exit 1
	fi

Jamesits / MacType-James.ini

Last active February 27, 2026 05:16

My MacType profile, optimized for Telegram UWP and something else.

	; Please see https://gist.github.com/Jamesits/6a58a1b08d5cd09a94a02f30ddaf0e13#gistcomment-2081294
	; for instruction.
	; Author: James Swineson <mactype@public.swineson.me>

	[General]
	Name=James Profile

	; 【启用 DirectWrite 支持】
	; [0:Disable] 1:Enable
	DirectWrite=1

Jamesits / image2grayscale.py

Last active April 12, 2017 15:02

Python 3 Pillow 把图像转换成灰度

	#!/usr/bin/env python3
	import sys
	from PIL import Image

	# 载入图像
	im = Image.open(sys.argv[1])
	im.show()

	def makeGrayscale(im: 'Image.Image') -> 'Image.Image':
	'''Reads a Pillow image and convert it to grayscale using brightness'''

Jamesits / routeros_ip_list_generator.sh

Last active February 3, 2018 02:44

Convert bgp.he.net search result to RouterOS IP List

	#!/bin/bash

	# https://gist.github.com/Jamesits/944ab9a484ad34522f6c4bce8d085132
	# Captures every IP-CIDR notation in HTML file
	# then convert it to RouterOS IP List format
	# Usage: convert.sh source-file.html List-Name
	# Then use /import file-name=List-Name.scr to
	# import this list on RouterOS
	# You can save bgp.he.net search result as HTML
	# then use this script to convert.

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