Generate Keystores

Debug Keystore

$ keytool -genkey -v -keystore debug.keystore -storepass android -alias androiddebugkey -keypass android -keyalg RSA -keysize 2048 -validity 10000 -dname "C=US, O=Android, CN=Android Debug"

mitchwongho / brew-ruby.txt

Created May 13, 2021 09:40

Brew Caveat: Ruby

	==> [email protected]
	By default, binaries installed by gem will be placed into:
	/usr/local/lib/ruby/gems/2.7.0/bin

	You may want to add this to your PATH.

	[email protected] is keg-only, which means it was not symlinked into /usr/local,
	because this is an alternate version of another formula.

	If you need to have [email protected] first in your PATH, run:

mitchwongho / dynamodb.java

Created May 8, 2021 09:48

#DynamoDB #JavaSDK #AWS

	private Result getPeopleByGSI(@NotNull final String indexedReference, final String... attributes) {
	// make reference the index
	final DynamoDbIndex<People> index = DynamoUtil.peopleTable.index("someIndexedAttribute-index");
	// Apply value to the indexed attribute (as the PartitionKey)
	final QueryConditional queryConditional = QueryConditional.keyEqualTo(
	Key.builder().partitionValue(indexedReference).build());

	// Compose Filter expressions
	final List<String> expressions = new ArrayList<>();
	final Expression.Builder expressionBuilder = Expression.builder();

mitchwongho / git-pull.txt

Last active May 7, 2021 08:58

CodeCommit - Git Checkout - Detached HEAD

	hint: Pulling without specifying how to reconcile divergent branches is
	hint: discouraged. You can squelch this message by running one of the following
	hint: commands sometime before your next pull:
	hint:
	hint: git config pull.rebase false # merge (the default strategy)
	hint: git config pull.rebase true # rebase
	hint: git config pull.ff only # fast-forward only
	hint:
	hint: You can replace "git config" with "git config --global" to set a default
	hint: preference for all repositories. You can also pass --rebase, --no-rebase,

mitchwongho / gist:812c3b5b09eefe3b6e6ba4a207918218

Last active May 23, 2020 18:32

Cura Start G-Code

	G28 ; Home all axes
	G29 ; Auto bed-level (BL-Touch)
	;G1 Z15.0 F6000 ;Move the platform down 15mm
	;Prime the extruder
	G92 E0
	G1 F200 E3
	G92 E0
	; Linear advance
	M900 K0.11

mitchwongho / raspberry_pi_openvpn_tips.md

Created July 13, 2019 20:33

Raspberry Pi OpenVPN Tips

OpenVPN host config files:

$ cd /etc/openvpn

OpenVPN config file:

$ sudo nano /etc/default/openvpn

mitchwongho / HelloWorld.kt

Last active November 6, 2023 15:03

A trivial Gradle build file for a Kotlin application

	fun main(args: Array<String>) {
	MyFirstClass("Hello, My First Class").out()
	}

	class MyFirstClass(val message: String) {

	fun out() {
	println(message)
	}
	}

mitchwongho / android-basic.js

Last active April 17, 2018 10:56

Appium Android Basic session script

	const wdio = require('webdriverio');
	// Driver options
	const opts = {
	port: 4723,
	desiredCapabilities: {
	platformName: "Android",
	platformVersion: "8.0",
	deviceName: "Nexus 5X API 26",
	app: "ApiDemos-debug.apk",
	appPackage: "io.appium.android.apis",

mitchwongho / installation.md

Last active April 16, 2018 09:03

Getting Up and Running with Appium

    $ brew install node      # get node.js
$ npm install -g appium  # get appium server
$ npm install webdriverio     # get the appium WebDriver client

mitchwongho / btcd.conf

Created January 25, 2018 06:38

Lightning & btcd setup

	...


	; Secure the RPC API by specifying the username and password. You can also
	; specify a limited username and password. You must specify at least one
	; full set of credentials - limited or admin - or the RPC server will
	; be disabled.
	rpcuser=w1/AxcoqWFqsey/x7C9drhaaWl8=
	rpcpass=zGnTDRT4a7Pzn9j31n6D0c3S0vs=

Mitchell Wong Ho mitchwongho

Android: Generate Release/Debug Keystores

Generate Keystores

Debug Keystore