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Lesson 11:proc application (with default parameters)1.//all parameter values are not necessarily entered when using the process. The input parameters of the procedure can have default values. The default value is determined by{Default parameter name default} specified. If the procedure is called without specifying the values of these parameters, its default value is used.Otherwise, use the input values to override the default values. When using defaul

main(): print(f‘{time.ctime()} Hello!‘) await asyncio.sleep(1.0) print(f‘{time.ctime()} Goodbye!‘) loop.stop()def blocking(): time.sleep(1.5) print(f"{time.ctime()} Hello from a thread!")loop = asyncio.get_event_loop()loop.create_task(main())loop.run_in_executor(None, blocking)loop.run_forever()tasks = asyncio.Task.all_tasks(loop=loop)group = asyncio.gather(*tasks, return_exceptions=True)loop.run_until_complete(group)loop.close()λ python3 quickstart.pySun Sep 30 14:

What is the role of NOTNULL in the statement 'AAA' varchar (11) NOTNULL when creating a field? What is the function of the statement 'AAA' nbsp; varchar (11) nbsp; NOT nbsp; NULL in "NOT nbsp; NULL" when creating a field? NOT nbsp; NULL? ------ Solution ------------------ what is the role of not null in the statement 'AAA' varchar (11) not null when creating

ArticleDirectory 3.4 experiment 10: Serial Port Module Summary: Disclaimer: This article is an original work and copyright belongs to akuei2 and heijin power Community (Http://www.heijin.org) All together, if you need to reprint, please indicate the source http://www.cnblogs.com/kingst/ 3.4 experiment 10: Serial Port Module Single Chip Microcomputer? Serial Port? These are already well-known combinations. But do you understand the small part of serial transmission? Let's leav

11 small tips code snippets for php daily use; 11 small tips code snippets for php daily use Http://www.phpzag.com/11-useful-code-snippets-for-php-developers/ Summary 1. you can use the built-in csv function of php to easily generate CSV files, function generateCsv($data, $delimiter = ',', $enclosure = '"') { $handle = fopen('php://temp', 'r+'); foreach (

1. About the operation of El expressions I don't want to think about it, just go to the example ....Results:2.EL of 11 built-in objects.We must not confuse with JSP's 9 big built-in object, the JSP 9 big built-in object is the domain object, but the El's 11 built-in object is the corresponding map. Instantly a collection.Get common development objects: the El has built-in

Yii2 source code learning notes (11) and yii2 source code learning notes. Yii2 source code learning note (11), yii2 source code learning note Controller class, is the base class of all controllers for calling models and layout. 1? Php2 ** 3 * @ linkwww. yii2 source code learning notes (11), yii2 source code learning Notes The Controller class is the base class o

generated in the out/target/product/Generic Directory, such 650) This. width = 650; "src =" http://s3.51cto.com/wyfs02/M01/45/79/wKiom1PoX7iwR_22AAJUwU4YSgs464.jpg "Title =" tu3.png "alt =" wkiom1pox7iwr_22aajuwu4ysgs464.jpg "/> 3. Run the simulator.Emulator-kernel/diskcm11/CM-11/out/target/product/generic/kernel-data/diskcm11/CM-11/out/target/product/generic/userdata. IMG-system/diskcm11/CM-

Log writing started in December July 11, with an article published every day. The daily page views of the space also increased from 0 to about 150. Analysis of daily views is high because I upload photos of the independent moji Tibet. It seems that the unique experience is very eye-catching! The other log views are flat, and the reason is that they are not good in terms of network popularity! From now on, I 've got some dry stuff going on.I have been

11 tips to help you find a rails job By YuanYi | published: December 29,200 7 Ruby Inside published a post by John Philip Green: 11 tips to hire a rails developer (11 tips on hiring a rails Developer). In fact, from another perspective, these skills also apply to people who want to work with rails. The author first explains why it is difficult to find a rails job

. The same modification to the inheritance system10. The case statement must be modified in the same way.11. The data used at the same time is not organized in the form of classes.If you see that you often operate on the same group of data, you should also ask yourself whether you should put the data and its operations Organized into a class.12. member functions use more features of other classes than their own classes.This implies that this subrout

A very important concept introduced in C ++ 11 is right value reference. Understanding the right value reference is the basis for learning "Move Semantics. To understand the right value reference, you must first distinguish the left value from the right value.The most common misunderstanding of the left and right values is that the left side of the equal sign is the left side, and the right side of the equal sign is the right side. Both the left and r

/*-------------------------------------------Evolution of programmers------------------------------------------------*/ Hacker News has collected a lot of blog posts from the IT industry. Some post-reading articles feel overwhelmed, some are humorous, and some completely subvert your values. The IT industry also has a perceptual culture and amazing art. To get the latest IT information and improve my English proficiency, I will build a topic for translating Hacker News.If you are also interested

《11 books most influential to programmers are recommended" You do not have to hesitate when purchasing an iron! These books have been passed on by the word of mouth for many years, and some have been published for more than 30 years, affecting several generations of programmers. And now they are still recommending these books, showing their classic points. Introduction: original article fromStackoverflow.comAn article published on 《What is the singl

Multi-path and udev configuration in Suse 11 and udev configuration in suse11 Recently, we deployed Oracle 10g RAC in multiple paths Under SuSe 11 SP3. 10 Gbit/s in SuSe 11 is also a wonderful piece of cake, and even documents are hard to find. Who is it that Oracle is too expensive. The following describes how to configure multiple paths in the environment. Sinc

Add floating button and click scroll to the bottom of the page to demonstrate the code IE9, 11, Maxthon 1.6.7, Firefox30, 31,360, and firefox30. To add a floating button to the webpage over the past two days, click this button to scroll to the bottom of the webpage. I searched through bing on the Internet. Most of them are JQuery. I want JavaScript only, so I have to DIY it. The test is normal in IE9, 11, M

Summary of 11 methods for JavaScript to obtain DOM elements Summary of 11 methods for JavaScript to obtain DOM elements This article mainly introduces 11 methods for JavaScript to obtain DOM elements. This article uses 11 methods in four categories to summarize how to obtain DOM elements. For more information, see In W

This article is a companion article of C ++ socket web crawler (1). How can I write web crawlers with fewer threads? Source code: http://files.cnblogs.com/magicsoar/ThreadPoolProject.rar * C ++ 11 is required and compiled in vs2013 Running Effect Background When a traditional task is received as a thread, every time we receive a task, we create a thread, execute the task, and destroy the thread, The time used in these three processes is recorded as T

[Programmer interview questions selected 100 questions] 11. Search for binary tree images.[Question] Enter a binary search tree and convert it to its image. That is, in the converted Binary Search Tree, the nodes in the left subtree are greater than those in the right subtree. Use recursive and cyclic methods to convert tree images. For example, enter: 8/\6 10/\/\5 7 9 11 Output: 8/\10 6/\/\

lecture specially prepared by Mr. Xiao Bu for cainiao before I started my new study. finally, according to the step-by-step steps in the video, the installation was successful at 11 GB. in fact, my article is to repeat the steps in the video. My biggest goal is to review the installation process and make myself more proficient ., at the same time, it also gives cainiao at the same level some learning confidence. Operating Platform: VMWARE6.0 + CentOS