Tag：Header file
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Time：2021-10-13
An error occurred while compiling the project for rust: error: failed to run custom build command for croaring-sys v0.3.7 process didn’t exit successfully: /Users/…/grin/target/release/build/croaring-sys-20d6d5c35e3a436a/build-script-build (exit code: 101) — stdout TARGET = Some(“x86_64-apple-darwin”) OPT_LEVEL = Some(“3”) HOST = Some(“x86_64-apple-darwin”) CC_x86_64-apple-darwin = None CC_x86_64_apple_darwin = None HOST_CC = None CC = None CFLAGS_x86_64-apple-darwin = None CFLAGS_x86_64_apple_darwin = […]
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Time：2021-10-10
Cmake compilation and installation of OpenCV under Windows This is a novice oriented opencv on windows, Helloword’s tutorial Here we use vs2019 to compile OpenCV, And run a HelloWorld to show how to compile and run with cmake 0 preparation Required software: Visual Studio 2019 Community Edition, CMake, […]
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Time：2021-9-19
Can local variables have the same name as global variables? A: you can have the same name. If the local variable and the global variable have the same name, the same identifier accessed in the function by default represents the local variable. If you want to access the global variable, you can add:: in front […]
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Time：2021-8-23
Question 1: header file not found (XXX. H file not found) terms of settlement:Add a line to args parameter in tasks.json file: “- I / project / test01 / include /”- I is followed by the directory where the header file is located. Question 2: LD: symbol (s) not found for architecture x86_ sixty-four terms […]
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Time：2021-8-21
This article assumes that the reader has a basic knowledge of C compilation. Unless otherwise specified, “source file” refers to *. C file, “header file” refers to *. H file, and “reference” refers to the header file. 1、 Header file function In C language, each source file is a module, and the header file provides […]
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Time：2021-8-14
In the combination of core spotlight and deep links (Part 1), we have talked about the creation and use of spotlight. This article focuses on how to create deep links and how to combine universal links with spotlight. Here, we don’t elaborate on what deep links are. Several articles are provided at the end of […]
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Time：2021-8-9
1. Introduction Years is really a pig farm. In recent years, people have become fat and wechat codes have been turned over. I remember when I transferred to wechat in 14 years, it took only about ten minutes to compile the wechat project with my own notebook. Today, it takes nearly half an hour to […]
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Time：2021-8-4
I have collected some learning materials, including a lot of learning, interview, middle and high-level fluuter materials, and a lot of video explanations. If any students want to know more, please see the end of the article for details. We also welcome all the great gods to install X. Cross compilation Cross compilation is that […]
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Time：2021-7-14
Note 1: This article was written in September 2016, (swift 3.0, Xcode 8) different versions may be different, just for reference.Note 2: the best way to summarize is to use cocoapods. Please refer to the previous article for those not used. OC third party framework takes afnetworking 3.1.0 as an example.Take alamofire 4.0.0 as an […]
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Time：2021-7-4
1、 Precompile Precompiling is what the compiler does before compiling. In the precompile stage, the compiler mainly deals with the post code, such as the import of header file, the replacement of macro definition and so on. 2、 Compile Compilation is the process of translating source code into binary code recognized by computer. In this […]
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Time：2021-6-24
1、 Two ways to create Multithread 1. Inherit thread class and rewrite run method 2. Implement the runnable interface and rewrite the run method 3. Code directly package com.ruigege.threadFoundation1; public class MyThreadExtendsType extends Thread { @Override public void run() { System. Out. Println (“this is a multithreaded representation that inherits the thread class”); } } […]
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Time：2021-6-24
The first blog is about CPP httplib, an open source library I’ve been reading recently. Cause: to be the local server of a device, because you want to call a local dynamic library (Windows platform), you choose this library as the network library. Advantages: header only, the speaker only needs to include a header file, […]
