Gfast2

class DivSize extends React.Component {

  constructor(props) {
    super(props)

    this.state = {
      width: 0
    }
    this.resizeHandler = this.resizeHandler.bind(this);
  }

Gfast2

// https://www.typescriptlang.org/docs/handbook/generics.html

function getProperty<T, K extends keyof T>(obj: T, key: K) {
    return obj[key];
}

let x = { a: 1, b: 2, c: 3, d: 4 };

getProperty(x, "a"); // okay
getProperty(x, "m"); // error: Argument of type 'm' isn't assignable to 'a' | 'b' | 'c' | 'd'.

Gfast2

Promise.resolve("original")
.then(
    resolved => {
        console.log(`Upper Promise resolved, message is "${resolved}"`);
        throw "stage1 throw error"; // -> This thrown error will trigger the following then()'s rejected function, but not in this then()'s rejection.
        return "stage1 succeed";
    },
    rejected => {
        console.log(`Upper Promise rejected, message is "${rejected}"`);
        // throw "stage1 failed" // -> will let the following then() receive a rejected Promise with this string

Gfast2

'use strict';

const main = () => {
  const par1 = [3, 'smart'];
  const par2 = [5, 'clip'];
  const parser = (index, arr) => index % arr[0] === 0 ? arr[1] : '';
  for (let i = 1; i <= 100; i++) {
    const st = parser(i, par1);
    const cp = parser(i, par2);
    console.log(`${i} -> ${st}${cp}`);

Gfast2

alias w='cd ~/workspace;ll'
alias gs='git status'
alias gd='git diff'
alias ga='git add'
alias gc='git commit'
alias gp='git push'
alias gl='git log'
alias gr='git reset'

Gfast2

#!/bin/bash
# Script: my-pi-temp.sh
# Purpose: Display the ARM CPU and GPU temperature of Raspberry Pi 2/3

cpu=$(</sys/class/thermal/thermal_zone0/temp)
echo "$(date) @ $(hostname)"
echo "------------------------------"
echo "GPU => $(vcgencmd measure_temp)"
echo "CPU => $((cpu/1000))°C"

Gfast2

/* Demo program.
 * https://esp32.com/viewtopic.php?f=2&t=3389
 * esp-idf git commit: 7e8c2a9c00a6fb05cd5da306b62c4474a999b1a2
 */

#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_system.h"
#include "esp_spi_flash.h"

Gfast2

#
# Automatically generated file; DO NOT EDIT.
# Espressif IoT Development Framework Configuration
#

#
# SDK tool configuration
#
CONFIG_TOOLPREFIX="xtensa-esp32-elf-"
CONFIG_PYTHON="python"

Gfast2

#Where the cmake project lives under this subdirectory
CODESUBDIR := $(COMPONENT_PATH)/open62541

#Path and name of the generated library
# LIBRARY := libopen62541.a

# C compiler flags
# original one: -std=gnu99 -Og -ggdb -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -mlongcalls -nostdlib -Wall -Werror=all -Wno-error=unused-function -Wno-error=unused-but-set-variable -Wno-error=unused-variable -Wno-error=deprecated-declarations -Wextra -Wno-unused-parameter -Wno-sign-compare -Wno-old-style-declaration -DWITH_POSIX -DMBEDTLS_CONFIG_FILE='"mbedtls/esp_config.h"' -DHAVE_CONFIG_H  -g   -pipe -Wextra -Wformat -Wno-unused-parameter -Wno-unused-function -Wno-unused-label -Wpointer-arith -Wreturn-type -Wsign-compare -Wmultichar -Wstrict-overflow -Wcast-qual -Wmissing-prototypes -Winit-self -Wuninitialized -Wformat-security -Wformat-nonliteral -Wshadow -Wconversion -fvisibility=hidden -fPIC
CFLAGS := -Og -ggdb -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -mlongcalls -nostdlib -Wal

Gfast2

#Where the cmake project lives under this subdirectory
CODESUBDIR := $(COMPONENT_PATH)/open62541

#Path and name of the generated library
LIBRARY := libopen62541.a

#Some projects need include files that are not available in esp-idf. You can specify a directory to 'fake'
#these entries here. Note: this will not work if the project includes these in public header files.
INCLUDE_FIXUP_DIR := $(IDF_PATH)/components/lwip/include/lwip/posix