judepereira

private static final ObjectMapper OM = new ObjectMapper();

@Benchmark
public void jsonStringSerialization(final Blackhole blackhole) throws Exception {
    byte[] obj = OM.writeValueAsBytes(randomString());
    blackhole.consume(new String(obj, 1, obj.length - 2, StandardCharsets.UTF_8));
}

@Benchmark
public void jsonStringManual(final Blackhole blackhole) {

judepereira

private static final ObjectMapper OM = new ObjectMapper();
private static final String STR = "hello world - the quick brown fox jumps over " 
        + "the lazy dog\r\n\r\nand here's " 
        + "a random slash\\, and some \"s";
        
@Benchmark
public void jsonStringSerialization(final Blackhole blackhole) throws Exception {
    byte[] obj = OM.writeValueAsBytes(STR);
    blackhole.consume(new String(obj, 1, obj.length - 2, StandardCharsets.UTF_8));
}

judepereira

private static final ObjectMapper OM = new ObjectMapper();

public static String escapeString(Object o) {
    if (o == null) {
        return null;
    }
    try {
        // The string is automatically quoted. Therefore, return a new string that
        // doesn't contain those quotes (since the caller appends quotes themselves).
        val bytes = OM.writeValueAsBytes(o.toString());

judepereira

public static String escapeString(Object o) {
    if (o == null) {
        return null;
    }
    String str = o.toString();
    if (str.contains("\\")) {
        str = str.replace("\\", "\\\\");
    }
    if (str.contains("\"")) {
        str = str.replace("\"", "\\\"");

judepereira

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>Label</key>
    <string>com.judepereira.keyremapping</string>
    <key>ProgramArguments</key>
    <array>
        <string>/usr/bin/hidutil</string>
        <string>property</string>

judepereira

class State {
    public static boolean someState;
}

class GoodTest {

    @Test
    public void checkState() {
        assertFalse(State.someState);
    }

judepereira

MyStubbornAPIInterface actualInstance = ... // Create it however you'd create your original instance.
MyStubbornAPIInterface proxiedInstance = (MyStubbornAPIInterface) Proxy.newProxyInstance(actualInstance.getClass().getClassLoader(),
        new Class[]{MyStubbornAPIInterface.class}, (proxy, method, args) -> {
            while (true) {
                try {
                    return method.invoke(actualInstance, args);
                } catch (MyThrottlingException e) {
                    try {
                        Thread.sleep(ThreadLocalRandom.current().nextInt(1, 5) * 1000L);
                    } catch (InterruptedException e) {

judepereira

#!/bin/bash

# Wrapper script for sending OTA updates to your ESP8266 running NodeMCU.
# See https://judepereira.com/blog/sending-ota-updates-over-wifi-to-your-esp8266/

HOST=192.168.178.25
PORT=8080

for i in "$@"; do
    FILE=$i

judepereira

-- Send OTA updates to remotely update lua scripts on your ESP8266.
--
-- LICENCE: http://opensource.org/licenses/MIT
-- Created by Jude Pereira <contact@judepereira.com>
-- See https://judepereira.com/blog/sending-ota-updates-over-wifi-to-your-esp8266/

srv = net.createServer(net.TCP)

current_file_name = nil

judepereira

http server as server
  when server listen path: "/" as req
    current = (redis get key: "count").result
    if current == null
      current = 0
    current = current + 1
    redis set key: "count" value: current
    req write content: "This page has loaded {current} times.<br>Powered by https://gist.github.com/judepereira/c45f9080def481c0917af77c6b9e9d11"