Tag：function
-
Shanghai embedded express order number recording software
1. Company introduction Shanghai embedded Automation Technology Co., Ltd. is a professional company engaged in R & D and sales of embedded related products, automation system and information system integration. We can provide customers with embedded, Internet of things related product development, automatic production line transformation and other services, as well as a complete set […]
-
Android neon accelerated optimization
Neon is a SIMD (single instruction multiple data) instruction set. Its efficiency is equivalent to assembly. It is used for the optimization of ARM CPU platform, and its performance is greatly improved in the fields of audio, video, graphics and image processing. The CPU of arm architecture has supported neon (optional) since armv7a, so as […]
-
The third parameter of setTimeout
SetTimeout is a function we often use. Its third parameter, well, I haven’t used it before. I found it by reading other people’s blogs a few days ago. At first glance, it’s wrong. Then I searched it, and there was really setTimeout Let’s take a look firstMDNThe setTimeout () method sets a timer that executes […]
-
Software and plug-ins
Software & plug-ins 1. Front end development 1.vscode Relatively “light” (free, no need to crack) 2.webstrom Compared with vscode, it is “heavy” (charged, need to be cracked) 2. Back end development Idea (need to be cracked) 3. Database DataGrid needs to be cracked. See the picture for the supported libraries 4. Reinstall the system software […]
-
DRF (VI) – parser
DRF (VI) – parser Problem elicitation:Request headers generally take many forms. The most common isjsonForm, andform-data。 JSON is the most common form. The parser is generally used to parse the data sent by the user; 1. Request header requirements # django:request.POST/ request.body # Content-Type: application/x-www-form-urlencoded #PS: if content type: application / x-www-form-urlencoded in the request […]
-
Openfunction has become a CNCF sandbox project, making it easier for serverless functions and applications to run
On April 27, 2022, Qingyun technology container team launched the open source function as a service (FAAS: function-as-a-service) projectOpenFunctionSuccessfully passed the vote of CNCF Technical Supervision Committee (TOC) of cloud native Computing Foundation and officially entered the custody of CNCF sandbox. This means that openfunction has been recognized by the cloud native open source community. […]
-
C + + basic-5-operator overloading (plus sign, shift left, increment, assignment, relationship, function call)
5. Operator overloading 5.1. Overloading of plus operator 1 #include 2 using namespace std; 3 4 // overload of plus operator 5 6 class Person { 7 public: 8 //1. Member function overload “+” 9 Person operator+(Person& p) { 10 Person temp; 11 temp.m_A = this->m_A + p.m_A; 12 temp.m_B = this->m_B + p.m_B; […]
-
These 15 PHP interview questions can be done, and you can basically find a job
Series articles： PHP classic interview questions, there are answers These 15 PHP interview questions can be done, and you can basically find a job 2021 this PHP interview question is well summarized and worth learning 1、FILEWhat do you mean? (5 points)The full path and file name of the file. If used in an include file, […]
-
What’s the ghost of the chrome productivity artifact Omni that exploded on GitHub recently?
Omni is a browser plug-in that allows you to use your browser like a Mac. Recently, Omni has successively topped the GitHub trend list and producthunt list, becoming a productivity tool greatly sought after by various programmers and product designers! ProductHuntIt is a very professional product discovery website abroad: Interestingly, Omni’s author is a very […]
-
Concise and practical redis distributed lock usage
This article is transferred from: Le byte This article mainly explains the usage of redis distributed lock For more Java related information, you can follow the official account Le byte. Send: 999 In many cases, the distributed lock function needs to be used in microservices. At present, the more common scheme is to realize the […]
-
An example of Python creating a dictionary with functions
1. Use the dict () function to establish a dictionary through other mappings (such as other dictionaries) or sequences of key value pairs. Dict1 = dict (a =’a ‘, B =’b’, t =’t ‘) # incoming keyword print(dict1) Dict2 = dict (ZIP ([‘one ‘,’ two ‘,’ three ‘], [1, 2, 3])) # mapping function to […]
-
Analysis on the use and implementation principle of array container of super detailed STL
To explain, I use gcc7 1.0 compiler, standard library source code is also this version. This article describes the use and principle of array in STL. Reading guide Array is actually an array of fixed size. The element type and size are specified when declaring. The prototype is as follows: template<typename _Tp, std::size_t _Nm> struct […]