yinyin’s gists

yinyin / optional_parameter.dart

Last active June 14, 2017 19:16

Dart optional function parameter experiment

	void namedParameter(String param1, String param2,
	{bool enable, bool bold = false, bool hidden = false}) {
	print("namedParameter:param1=${param1}");
	print("namedParameter:param2=${param2}");
	print("namedParameter:enable=${enable}");
	print("namedParameter:bold=${bold}");
	print("namedParameter:hidden=${hidden}");
	print("--");
	}

yinyin / socketpair_example.c

Created May 27, 2017 10:13

Example of socketpair() function

	#include <sys/types.h>
	#include <sys/socket.h>
	#include <unistd.h>
	#include <stdint.h>
	#include <stdio.h>


	void parent_process(int fd) {
	int i;
	fprintf(stderr, "FD of parent process: %d.\n", fd);

yinyin / mro_exp.py

Last active May 20, 2017 11:37

Python MRO Experiment


	# -- coding: utf-8 --

	""" MRO Experiment

	$ python -i mro_exp.py

	>>> a = GD1(1, 2, 3, 4, 5, 6, 7, 8)
	_Base(args=(), *kwds={})
	CL3(cparam3a=7, cparam3b=8, args=(), *kwds={})

yinyin / env-autotools.sh

Last active December 4, 2018 23:56

Set environment variables for autotools

	#!/bin/bash
	# source ~/bin/env-autotools.sh

	OPT_BASE=/opt

	which autoreconf
	if [ "$?" != "0" ]; then
	export PATH=${OPT_BASE}/autoconf-2.69/bin:$PATH
	fi

yinyin / loop.sh

Created November 13, 2016 08:43

Print a fixed text and current time every 3 seconds

	#!/bin/bash
	while true; do
	echo "Press [CTRL+C] to stop.."
	/bin/date
	sleep 3
	if [ "$?" == "1" ]; then
	break
	fi
	done

yinyin / mysqlnowspeed.go

Last active May 1, 2018 13:40

Test mysql link speed over various DSN with SELECT NOW()

	// Test mysql speed over various DSN with SELECT NOW()
	//
	// Build with:
	// // make an empty folder and cd into
	// export GOPATH=`pwd`
	// go get gist.github.com/e792f270bb6bc93a2a671bb7519d5417.git
	// // or, for cross-build:
	// env GOOS=linux GOARCH=amd64 go build -v gist.github.com/e792f270bb6bc93a2a671bb7519d5417.git
	package main

yinyin / uninstall_open-vm-tools-dkms.sh

Created September 4, 2016 05:11

sudo apt-get remove binutils cpp cpp-4.8 cpp-4.9 dkms fakeroot gcc gcc-4.8 gcc-4.9 libasan0 libasan1 libatomic1 libc-dev-bin libc6-dev libcilkrts5 libcloog-isl4 libfakeroot libgcc-4.8-dev libgcc-4.9-dev libgomp1 libisl10 libitm1 liblsan0 libmpc3 libmpfr4 libquadmath0 libtsan0 libubsan0 linux-compiler-gcc-4.8-x86 linux-headers-3.16.0-4-amd64 linux-headers-3.16.0-4-common linux-headers-amd64 linux-kbuild-3.16 linux-libc-dev make manpages-dev open-vm-tools-dkms patch

yinyin / genpassword.go

Created October 31, 2015 16:46

Function to generate random password

	import "time"
	import "math/rand"

	func init() {
	rand.Seed(time.Now().Unix())
	}

	func GenerateRandomPassword(length int) string {
	const base_string = "2346789BCDFGHJKMPQRTVWXY"
	const l_base_string = len(base_string)

yinyin / TestWindow.java

Created September 12, 2015 04:56

Template code generated with WindowBuilder's SWT > ApplicationWindow

	package local.dev;

	import org.eclipse.swt.SWT;
	import org.eclipse.swt.widgets.Display;
	import org.eclipse.swt.widgets.Shell;

	public class TestWindow {

	protected Shell shell;

yinyin / mvn.sh

Created September 3, 2015 16:23

	#!/bin/bash
	MVN_HOME=/.../apache-maven-3.3.3
	export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home/jre
	exec $MVN_HOME/bin/mvn "$@"

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