Bezier curve UIBezierPath easy to use

//Common properties     /* 1.CGPath: convert UIBezierPath class to CGPath 2.currentPoint: the location of the current path, which can be understood as the end of the path 3.lineWidth: line width 4.lineCapStyle: end style 5.lineJoinStyle: connection type 6.flatness: the fineness of the drawing line, which is 0.6 by default. The larger the value, ...

Posted by Drayton on Wed, 01 Apr 2020 08:42:22 -0700

2117 problem B determine the place of competition

Question B: determine the place of competition Time limit: 1 Sec memory limit: 32 MB Flower offering: 56 solution: 38 [flower offering] [wreath] [TK question bank] Title Description There are N teams (1 < = N < = 500) numbered 1, 2, 3,.... , N for the competition, after the competition, the referee committee ...

Posted by volka on Tue, 31 Mar 2020 18:43:34 -0700

[ASP.NET Core 3.1] Browser sniffing solves missing cookies in some browsers

[ASP.NET Core 3.1] Browser sniffing solves missing cookies in some browsersStudents who have read the previous article should know that browsers such as Sogou and 360 redirect repeatedly in single sign-on, and eventually fail and make mistakes. The reason is that non-Chrome80+ browsers do not recognize the SameSite=none attribute value on the C ...

Posted by jallard on Mon, 30 Mar 2020 19:53:37 -0700

90% of the front end will step on the pit, did you get it

This article refers to the original- http://bjbsair.com/2020-03-22/tech-info/2149/ Written in front In the era of mobile development, the front-end students just bid farewell to the bald Internet Explorer, but found that the mobile Internet era that they had been looking forward to for a long time was not as beautiful as they imagined. It's h ...

Posted by always_confused on Mon, 23 Mar 2020 21:17:45 -0700

B directed acyclic graph (topological order)

Bobo has a directed acyclic graph with n points and m edges (that is, for any point v, there is no path from point v to point v). For convenience, click 1, 2 , n number. Set count(x,y) to represent the number of paths from point x to point y (specify count(x,x)=0). Bobo wants to know The remainder divided by (10 9 + 7). Wher ...

Posted by adavis on Fri, 20 Mar 2020 08:54:22 -0700

iOS componentization - Cocopods creates a private library

1, Create a folder mkdir Module 2, Download Engineering Scaffold pod lib create AaronSwift Aaron Swift is the name of the component project you want to create. During the installation process, you will be prompted to enter the configuration of the project to be downloaded (as follows:), and then enter iOS, Swift, Yes, Quick and Yes. In the seco ...

Posted by BrandonKahre on Fri, 20 Mar 2020 04:48:48 -0700

Analysis of official post energy model of tensorflow

Preface tensorflow has an official attitude estimation project. This input is a little different from that of openpost. Here is a single person model output analysis scheme. International practice, see blog: Blog: using TensorFlow.js to realize real-time human posture detection on the browser IOS code ...

Posted by mona02 on Sun, 15 Mar 2020 01:41:25 -0700

iostat source code analysis

The iostat command reports cpu statistics and disk i/o statistics. The iostat command monitors the i/o load of the system by observing the actual working time of the storage devices and their average transmission rate. This does not need root permission, and the data source can be obtained directly by a ...

Posted by chrislead on Sat, 14 Mar 2020 23:18:00 -0700

What did Runtime do during the startup of Runtime objc4-779.1 App?

Knowledge preparation First of all, we need to know a scenario. We click on the application on the screen, and then we can see that the application is fully displayed and can be operated. In this process, the system, runtime and our own code have done a lot of work, and many excellent blogs have descr ...

Posted by smerny on Tue, 10 Mar 2020 04:09:32 -0700

iOS encrypts and decrypts data with key

Introduction In the development of iOS App, we need to encrypt the account, password and other personal private information to ensure the security of user information. Then these private information can be saved in the keychain, because the invisibility of the keychain can ensure the security of the u ...

Posted by illushinz on Mon, 09 Mar 2020 20:38:32 -0700