number for pi

1 start with const int IYou know, when declaring a variable, int I is like this; this I may be re-assigned to it. As follows:Int I = 0;//...I = 20; // The value is assigned again here.However, one day my program may need such a variable (temporarily

In the previous article, the array name is a constant pointer.Reference: http://blog.pfan.cn/whyhappy/5164.htmlConst int * pi, int const * pi and int * const pi and their operations1 start with const int IYou know, when declaring a variable, int I

Raspberry Pi 3-jessie compiled and installed Ros-indigo full versionPublished: October 20, 2016 09:31:21 Views: 4,388 from: Ray Everyone in the study of Ros sometimes directly using a notebook or industrial computer (small host), more trouble, the

For those who already have a certain Linux Foundation, Raspberry Pi should be very simple and natural to learn. In their eyes, Raspberry Pi is a simple, cartoon version of Linux. However, it is not easy for me to compile, compile, and run a simple

Raspberry Pi Development Notes (1): Start Raspberry Pi 3b and run the Raspberry Pi system, raspberry 3b Raspberry Pi Development notes(I): Start Raspberry Pi3bThe Raspberry Pi system is successfully run.Preface The new project requires Raspberry

Arrange reprint, original link http://www.eeboard.com/bbs/thread-5191-1-1.htmlThis post I intend to use q&a way to write, so it is easier for everyone to see clearly the content of the entire post, hierarchical, clear conditioning, the following are

(1) Raspberrypi document https://www.raspberrypi.org/documentation/Translation 2016.06.24 ---------------------------------------- (2) Preparation before start-up #启动前的准备 A tutorial on starting your Raspberry Pi. # #你需要什么? # # #必须的东西 (normally used)-

0 environmentLinux hosts os:ubuntu14.04 64-bit, running on WMware workstation 10 virtual machinesRaspberry Pi Version: Raspberry Pi 2 Type B.Raspberry Pi Os:debian Jessie Raspbian Jessie1 Raspberry Pi Start-up processThe boot process of the

The Raspberry Pi is an arm-based micro-computer motherboard that has only a credit card size and is also known as a new card-type computer, and the Raspberry Pi has all the basic functions of a computer, which is perfectly formed. and its

First, about open source hardwareThe concept of open source hardware is simple to understand that the electronic hardware design detailed parameters are public, such as circuit diagrams, BOM and PCB layout and so on.Main types: Arduino, Cubieboard,