bhaskar253

By default, the keyboard layout is set for UK on Raspbian OS, to set it to US following are the steps: 

1. Launch Terminal

2. Open “/etc/default/keyboard” with nano (or any other editor).

sudo nano /etc/default/keyboard

The file should be like this:

bhaskar253

import pymysql.cursors

connection = pymysql.connect(host='localhost',
                             user='dummy',
                             password='pass',
                             db='demo',
                             cursorclass=pymysql.cursors.DictCursor)
try:
    with connection.cursor() as cursor:
        sql = "INSERT INTO student ( roll, name ) VALUES (%s, %s)"

bhaskar253

import openpyxl

excel_file = openpyxl.load_workbook('records.xlsx')

#print(excel_file.sheetnames)

tc_sheet = excel_file['Testcases']

#currently_active_sheet = excel_file.active

bhaskar253

How to install virtualenv:

Install pip first

sudo apt-get install python3-pip

Then install virtualenv using pip3

sudo pip3 install virtualenv 

bhaskar253

What you need to do to install SDL is:

#install sdl2
sudo apt install libsdl2-dev libsdl2-2.0-0 -y;

#install sdl image
sudo apt install libjpeg9-dev libwebp-dev libtiff5-dev libsdl2-image-dev libsdl2-image-2.0-0 -y;

#install sdl mixer

bhaskar253

@Credit for this goes to Matt D.(U23R9AN4U) from cpplang.slack.com


Hi! Here's a few (note: there's also #cmake where you can ask more specific CMake questions):
• An Introduction to Modern CMake - https://cliutils.gitlab.io/modern-cmake/
• Awesome CMake - https://github.com/onqtam/awesome-cmake
• CMake - Introduction and best practices - http://www.slideshare.net/DanielPfeifer1/cmake-48475415
• C++Now 2017: Daniel Pfeifer "Effective CMake"
 - https://www.youtube.com/watch?v=bsXLMQ6WgIk
 - https://github.com/boostcon/cppnow_presentations_2017/raw/master/05-19-2017_friday/effective_cmake__daniel_pfeifer__cppnow_05-19-2017.pdf

bhaskar253

cmake_minimum_required(VERSION 2.8.12)
project(YOUR_PROJECT)

# Enable multithreaded compilation in MSVC
if (MSVC)
  add_definitions(/MP)
endif()

# Rewrite to a nicer output directory. Can be removed
set(ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_SOURCE_DIR}/output)

bhaskar253

/* Node is defined as :
typedef struct node
{
    int val;
    struct node* left;
    struct node* right;
    int ht;
} node; */

node * new_node (int val)

bhaskar253

Installing boost libraries for GCC (MinGW) on Windows

Folder setup

1. Extract downloaded boost source, e.g. F:\boost_1_67_0.
2. Create a folder for Boost.Build installation, e.g. F:\boost-build.
3. Create a folder within for building, i.e. F:\boost_1_67_0\build.
4. Create a folder for installation, e.g. F:\boost.

GCC setup

1. Open Command Prompt.