1 algorithm Introduction
In the 1980s, complex science was first proposed by the SantaFe school in the United States, which has attracted worldwide attention. At present, scientific research on complexity and complex systems occupies an increasingly important position, so that it is known by some scientists a ...
Posted by friedice on Thu, 16 Sep 2021 22:20:49 +0200
>>> ❤ Poke me ❤>>> Click to enter 300 final assignments
Near the end of the term, ...
Posted by edup_pt on Fri, 17 Sep 2021 05:04:19 +0200
Arrays are everywhere. When you need more than one data transmission or display, you will use arrays.
Now let's start with the definition.
An array is a group of data, as shown in:
Posted by saandel on Fri, 17 Sep 2021 01:27:38 +0200
1.1 difference between pointer variable and ordinary variable
Pointer: the essence of pointer is a variable. It has no essential difference from ordinary variables. Pointer integrity should be called pointer variable, referred to as pointer. It means pointing. The pointer itself is an object, and the pointer does not need to be ...
Posted by MarcAndreTalbot on Fri, 17 Sep 2021 04:52:07 +0200
❣💞❣ Database foundation ②
1, 92 syntax join table query
1. Cross connect: corss join
-- Cross connect
select * from emp cross join dept;
2. natural join
Note: if there are multiple fields with the same name, they will be connected equally
-- Inner connection
select * from emp natural join dept;
3. Using connection: Join using (f ...
Posted by sheraz on Fri, 17 Sep 2021 01:28:24 +0200
Use esp32 one + GPS module + OLED small screen to make a portable low-power velocimeter
1, What is Esp32 One?
Esp32 One is a development board compatible with raspberry pie pin developed by Weixue electronics based on the custom pin of Xtensa LX6 dual core processor.
2, Using hardware
Esp32 One x1 L76X GPS Module x1 0.96 ...
Posted by vMan on Fri, 17 Sep 2021 00:22:39 +0200