int main(void )
{
uint8_t a=0;//LED high and low voltage control
/* System Clocks Configuration */
RCC_Configuration(); //System clock settings
/*Nested vector interrupt controller
Exp
Tag: two
Two versions of PHP on Mac OS Snow Leopard and install xdebug using PECL
Before I read some posts about Snow Leopard’s built-in Apache/PHP, I used MAMP (standard) for PHP development. I decided to turn to the ones I provided, but there seemed to be many problems
T
Use a UIViewController and two XIB processing directions to change on the iPad
I want to use a UIViewController and two XIBs to handle the orientation change of an iPad application, that is, MenuView and MenuViewLandscape.
So, in MenuViewController In the willRotateToIn
If there are two or more conditions, how to use the replace command in SQLite
I want to update a row if it exists in the table, otherwise insert it into SQLite in a single query. From the SQLite documentation I found that we can use the REPLACE command to achieve this.
PowerDesigner (2) – Project and Framework Matrix
The original text is from: http://www.voidcn.com/article/p-pmwnwidw-oy.html
Project is a new concept of PowerDesigner 15 , Through the project system analyst/designer can group models and var
Create a SQLite database (2)
First create a database table, and then perform the delete update operation in the main activity
public< /span> class MainActivity extends AppCompatActivity {
@Override
protected void
OpenFire Source Code 21: Openfie Optimization (below)
User business card In the pre-initialization process, the user’s business card is posted. The same is not repeated here.
First modify the system properties first:
provider. vcard.classN
TIDB source reading series articles (2) first knowledge TIDB source code
This article is the second in a series of articles on the TiDB source code reading. The first article introduces the overall architecture of TiDB, knows which modules TiDB has, what they do, where
OpenFire Source Code 25: Message Receipts and Offline News (below)
This article continues immediately above.
Redis-based message receipt. The main process is divided into the following steps:
1) Temporarily store the message in redis, and set the expir