After SDL_Quit is solved, SDL video rendering is started again. No picture problem

... 背景 Working with MFC+SDL for video rendering, there are the following phenomena: 1. Use SDL_Init to initialize each time the playback starts. When the playback ends, use SDL_Quit to release the resources. When the playback starts again, the screen will not be seen. The playback ends and...


Use python to grab Sogou index study notes

... 1. Sogou index stressed: Sogou index crawling is really simple, very simple, very simple, you must not be scared, hahahaha. 搜狗指数 is an index indicator that reflects the trend of people searching every day. Every day, there are search change tables and random search content. 本本 intends...


Idiopathic tremor should be eaten in such a way that healthy nutrition

... 生活生活 is very important, and ordinary people develop good habits to prevent diseases and enhance physical fitness. The development of good habits in patients with idiopathic tremor can not only make the disease recover quickly, but also prevent other complications. In life, patients with...


Linux system management command

... df Function Use the df command to check the disk space usage of the file system. The usage rights are all users. 2. Format Df [options] 3. Main parameters -s: Gives only the total number of data blocks occupied for each Names parameter. -a: Recursively displays the number of data blocks...


How does Taobao collect collection tools from peer stores?

... Many small and medium-sized businesses will first go to Taobao's peers before opening a store. If you know the general layout and products, you can adjust the style of the store products and stores according to your own advantages. There are a lot of shops in the same industry, and the...


Hash algorithm to resolve conflicts

... Hash algorithm to resolve conflicts generally have the following common solutions 1, open addressing method: The so-called open addressing method is that once a conflict occurs, To find the next empty hash address, as long as the hash table is large enough, an empty hash address can...


Java static keyword definition and role

... static (What is the role? When is it executed?) 1, static members belong to the class, do not belong to an object, all objects share . When we use it, it is best to use the name of the class plus static members to improve the readability of the code. In other words, we will see that the...


What are the good trading strategies for foreign exchange? W-type foreign exchange trading strategy is reliable?

... If you are doing foreign exchange trading, whether online or offline, you must have heard at least the foreign exchange tutor. I believe you will find out why every teacher seems to be different. Even if the indicators used are the same, the trading strategy is far from perfect. Even...


Quick-selling goods industry integrated marketing case analysis

... 快消品 is the abbreviation of fast-moving consumer goods, which refers to those consumer products with shorter service life and faster consumption. “Non-durable” with a high re-use ratio. Therefore, such products are often "familiar with non-truth" for consumers. Because of the "low...


Steel E-commerce + B2B supply chain system, new mode of transformation, new gameplay

... 似风! Like water! Like the air! In the past 20 years, Internet e-commerce has been sweeping through thousands of troops and infiltrating into every aspect of life. With the impact of the Internet on traditional enterprises, the traditional steel trade industry collapsed, and the entire...