MaikelVeen

type Effector func(context.Context) (string, error)

func Retry(effector Effector, retries int, delay time.Duration) Effector {
	return func(ctx context.Context) (string, error) {
		for r := 0; ; r++ {
			response, err := effector(ctx)
			if err == nil || r >= retries {
				// Return when there is no error or the maximum amount
				// of retries is reached.
				return response, err

techyourchance

public enum MyPermission {
    // declare runtime permissions specific to your app here (don't keep unused ones)
    READ_PHONE_STATE(Manifest.permission.READ_PHONE_STATE),
    FINE_LOCATION(Manifest.permission.ACCESS_FINE_LOCATION);

    public static MyPermission fromAndroidPermission(String androidPermission) {
        for (MyPermission permission : MyPermission.values()) {
            if (permission.getAndroidPermission().equals(androidPermission)) {
                return permission;
            }

faruktoptas

fun <T> debounce(
        waitMs: Long = 300L,
        scope: CoroutineScope,
        destinationFunction: (T) -> Unit
): (T) -> Unit {
    var debounceJob: Job? = null
    return { param: T ->
        debounceJob?.cancel()
        debounceJob = scope.launch {
            delay(waitMs)

marcorichetta

Install PostgreSQL on Manjaro

Source: https://wiki.archlinux.org/index.php/PostgreSQL

1. Install postgresql package sudo pacman -S postgresql

2. Switch to the postgres user account and initialize the database cluster:

sudo -iu postgres

nickbutcher

/*
 *  Copyright 2017 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the
 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

nikhita

How to update the Go version

System: Debian/Ubuntu/Fedora. Might work for others as well.

1. Uninstall the exisiting version

As mentioned here, to update a go version you will first need to uninstall the original version.

To uninstall, delete the /usr/local/go directory by:

matthewjberger

1.) Download a Nerd Font

2.) Unzip and copy to ~/.fonts

3.) Run the command fc-cache -fv to manually rebuild the font cache

teocci

Awesome Courses

Introduction

There is a lot of hidden treasure lying within university pages scattered across the internet. This list is an attempt to bring to light those awesome courses which make their high-quality material i.e. assignments, lectures, notes, readings & examinations available online for free.

Table of Contents

diegoy

/*		
MIT License		
Copyright (c) 2016 Diego Yasuhiko Kurisaki		
*/		
		
/* Example:		
  mEmailView.addTextChangedListener(new MaskWatcher("###-##"));		
*/		

import android.text.Editable;		

nguyendangminh

...
func faviconHandler(w http.ResponseWriter, r *http.Request) {
	http.ServeFile(w, r, "relative/path/to/favicon.ico")
}
...
func main() {
  http.HandleFunc("/favicon.ico", faviconHandler)
}