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mikehearn / BriefLogFormatter.kt
Created February 25, 2016 10:02
BriefLogFormatter
// A couple of inlined utility functions: the first is just a syntax convenience, the second lets us use
// Kotlin's string interpolation efficiently: the message is never calculated/concatenated together unless
// logging at that level is enabled.
inline fun <reified T : Any> loggerFor(): org.slf4j.Logger = LoggerFactory.getLogger(T::class.java)
inline fun org.slf4j.Logger.trace(msg: () -> String) {
if (isTraceEnabled) trace(msg())
}
/**
* A Java logging formatter that writes more compact output than the default.
@mikehearn
mikehearn / keybase.md
Created March 21, 2016 22:16

Keybase proof

I hereby claim:

  • I am mikehearn on github.
  • I am hearn (https://keybase.io/hearn) on keybase.
  • I have a public key ASAtBlfHGFrnjtqS-telpy4tveHymEWbfRtzMnMQYgKOMgo

To claim this, I am signing this object:

@mikehearn
mikehearn / tinyram-opcodes.cpp
Last active September 24, 2018 07:40
enum tinyram_opcode {
tinyram_opcode_AND = 0b00000,
tinyram_opcode_OR = 0b00001,
tinyram_opcode_XOR = 0b00010,
tinyram_opcode_NOT = 0b00011,
tinyram_opcode_ADD = 0b00100,
tinyram_opcode_SUB = 0b00101,
// Multiplications
tinyram_opcode_MULL = 0b00110,
@mikehearn
mikehearn / jlink --list-plugins
Created June 19, 2017 08:55
Output of jlink --list-plugins in Java 9 EA build 172
@mikehearn
mikehearn / AmazonSearch.kt
Last active September 25, 2017 16:59
enum SortBy {
Featured,
Relevance,
PriceLowToHigh,
PriceHighToLow,
Reviews
}
@PermazenType
class AmazonSearch(
@mikehearn
mikehearn / hello.js
Last active September 30, 2017 22:57
Hello World in JavaFX using Nashorn
// Run like this: jjs -fx hello.js
load("fx:base.js");
load("fx:controls.js");
load("fx:graphics.js");
// Set the title bar.
$STAGE.title = "Hello World!";
// Create a button and place it in a layout that will center it.
var button = new Button();
button.text = "Say 'Hello World'";
button.onAction = function() print("Hello World!");
@mikehearn
mikehearn / hello.html
Last active September 30, 2017 22:50
HTML version of the JavaFX JavaScript hello world sample
<html>
<head>
<title>Hello World!</title>
<style>
div.centered {
padding: 1em;
position: absolute;
top: 50%;
left: 50%;
margin-right: -50%;
@mikehearn
mikehearn / di-helpers.kt
Created December 21, 2017 17:37
Simple dependency helpers
package net.corda.node.internal
import java.time.Clock
import java.time.Duration
import java.time.Instant
import java.time.ZoneId
import kotlin.properties.ReadWriteProperty
import kotlin.reflect.KProperty
/**
@mikehearn
mikehearn / kotin-native-win32.kt
Created September 28, 2018 18:30
Example of using Kotlin/Native on Windows
typealias WSTR = CPointer<ShortVar>
private fun WSTR.toKString(): String = memScoped {
// Figure out how much memory we need after UTF-8 conversion.
val sz = WideCharToMultiByte(CP_UTF8, WC_ERR_INVALID_CHARS, this@toKString, -1, null, 0, null, null)
// Now convert to UTF-8 and from there, a String.
val utf8 = allocArray<ByteVar>(sz)
val r = WideCharToMultiByte(CP_UTF8, WC_ERR_INVALID_CHARS, this@toKString, -1, utf8, sz, null, null)
if (r == 0) throw RuntimeException("Could not convert to UTF-8")
utf8.toKString()
@mikehearn
mikehearn / nodejvm1.java
Created March 28, 2019 19:54
import net.plan99.nodejs.NodeJS;
public class Demo {
public static void main(String[] args) {
int result = NodeJS.runJS(() ->
NodeJS.eval("return 2 + 3 + 4").asInt()
);
System.out.println(result);
}
}