AnatomicJC

Backup android app, data included, no root needed, with adb

Note: This gist may be outdated, thanks to all contributors in comments.

adb is the Android CLI tool with which you can interact with your android device, from your PC

You must enable developer mode (tap 7 times on the build version in parameters) and install adb on your PC.

Don't hesitate to read comments, there is useful tips, thanks guys for this !

olibre

# Set inotify watch limit high enough for IntelliJ IDEA (PhpStorm, PyCharm, RubyMine, WebStorm).
# 1. Check current value in use: `cat /proc/sys/fs/inotify/max_user_watches`
# 2. Create this file as /etc/sysctl.d/60-jetbrains.conf (Debian, Ubuntu, Fedora...)
# 3. Apply new configuration: `sudo sysctl -p --system` or `sudo service procps start` or reboot
# 4. Check new value in use: `cat /proc/sys/fs/inotify/max_user_watches`
#
# References:
# * https://gist.github.com/olibre/a0219529a6cc347494f40780e7e539eb
# * https://confluence.jetbrains.com/display/IDEADEV/Inotify+Watches+Limit
# 

olibre

C++ : Polymorphic inheritance without vtable

Inheritance and Virtual Table are often used to create interface in C++ polymorphic class
What if ... there were another way to do this ?
easier, cleaner, faster and more reliable
This article explains how to use CRTP, [std::variant](https://en.cppreference.com/w/cpp/utility/variant and std::visit to increase code performance.

Table of content

1. Introduction

GuillaumeDua

C++ : Polymorphic inheritance without vtable

In this article, we will see how to use CRTP, std::variant and std::visit to increase our code performances.

Table of content

1. Introduction
2. What's wrong with vTables ?
3. A way out ?
4. CRTP

olibre

/*
 * Original work: https://gist.github.com/odeblic/fa54037bf4d764a5dc02735cb4bd79f3
 * Inspired from: https://youtu.be/ZiNGWHg5Z-o
 *
 * Compile
 * 
 *    $ g++ -Wall -Wextra smart_dtor.cpp 
 *
 * Run
 *

odeblic

#include <iostream>
#include <memory>

struct Base
{
    ~Base()
    {
        std::cout << "~Base()" << std::endl;
    }
};

hutorny

/** zero-dependency allocation-free mapping enum values to names */
namespace enumnames {

typedef const char* (*name)();
bool match(const char*, const char*) noexcept; /* to be provided by the user */

template<typename T, T K, name V>
struct tuple {
	typedef T key_t;
	static constexpr T key = K;

rondy

FWIW: I (@rondy) am not the creator of the content shared here, which is an excerpt from Edmond Lau's book. I simply copied and pasted it from another location and saved it as a personal note, before it gained popularity on news.ycombinator.com. Unfortunately, I cannot recall the exact origin of the original source, nor was I able to find the author's name, so I am can't provide the appropriate credits.

---

Effective Engineer - Notes

• By Edmond Lau
• Highly Recommended 👍
• http://www.theeffectiveengineer.com/

What's an Effective Engineer?

bittner

# Set inotify watch limit high enough for IntelliJ IDEA (PhpStorm, PyCharm, RubyMine, WebStorm).
# Create this file as /etc/sysctl.d/60-jetbrains.conf (Debian, Ubuntu), and
# run `sudo service procps start` or reboot.
# Source: https://confluence.jetbrains.com/display/IDEADEV/Inotify+Watches+Limit
# 
# More information resources:
# -$ man inotify  # manpage
# -$ man sysctl.conf  # manpage
# -$ cat /proc/sys/fs/inotify/max_user_watches  # print current value in use

subfuzion

Reference: RFC 2616 - HTTP Status Code Definitions

• HTTP/1.1 Status Code Definitions
• Additional HTTP Status Codes

General

• 400 BAD REQUEST: The request was invalid or cannot be otherwise served. An accompanying error message will explain further. For security reasons, requests without authentication are considered invalid and will yield this response.
• 401 UNAUTHORIZED: The authentication credentials are missing, or if supplied are not valid or not sufficient to access the resource.
• 403 FORBIDDEN: The request has been refused. See the accompanying message for the specific reason (most likely for exceeding rate limit).
• 404 NOT FOUND: The URI requested is invalid or the resource requested does not exists.
• 406 NOT ACCEPTABLE: The request specified an invalid format.