漫步量化

Cython Documentation尝试翻译Cython Documentation以助学习。水平有限，乐迎指正。本文是目录，每条目录有两部分内容：英文+中文（仅已翻译的有）；其英文附有原来链接；中文附有中文文章链接。Cython project homepageGetting StartedCython - an overviewInstalling Cyt...

SWIGThe Simplified Wrapper and Interface Generator (SWIG) is an open-source software tool used to connect computer programs or libraries written in C or C++ with scripting languages such as Lua, Perl, PHP, Python, R, Ruby, Tcl, and other languages.The ..

Overview about command line parametersCommand-line parameters are passed to a program at runt-time by the OS when the program is requested by another program, such as a command interpreter ("shell") like cmd.exe on WIndows or bash on Linux and OS X.The..

shared_ptrtemplate <class T> class shared_ptr;shared_ptr 定义如上，是一个template，具体应该怎么理解呢？templatewikipediacplusplusgeeksforgeekstutorialspointcppreferenceFrom wikipedia, Templates are a feature of the C++ programming language that allo..

std::shared_ptrDefined in header , which is part of the dynamic memory management library.Detail in could be found here.Dynamic memory managementThere are several parts on dynamic memory management: ***Smart pointers***, Allocators, Memory r..

Static Keyword in C++Static is a keyword in C++ used to give special characteristics to an element. Static elements are allocated storage only once in a program lifetime in static storage area. And they have a scope till the program lifetime. Static k..

Static vs DynamicStatic : Storage can be made by compiler looking only at the text of the program. One reason for statically allocating as many data objects as possible is that the addresses of these objects can be compiled into target code.Dynamic :..

for loop in C++A for loop is a repetition control structure that allows you to efficently write a loop that needs to execute a specific number of times.Syntaxnormalfor (init; condition; increment){ statement(s);}which can also expresse..

ndarrayndarray并非C++原生概念，而是numpy概念。不过在C++中，可以通过*Boost.Python(NumPy)*创建ndarray类型。Boost.Python NumPyTutorialndarry library in C++githubndarray is a template library that provides multidimensional array obejcts in C++, with an interface ..

rapidcsv.hgithubRapidcsv is a C++ header-only library for CSV parsing. While the name admittedly was inspired by the rapidjson project, the objectives are not the same. The goal of rapidcsv is to be an easy-to-use CSV library enabling rapid developme..

OverviewDebate about pointers can stretch for miles, and you would need to go really far to master it all.What is a Pointer?Pointer is a variable that stores a memory address.A pointer is declared using the * operator before an identifier.As C..

Variable vs. Pointerint foo;int *foo_ptr = &foo;Grammatrically speaking, there is no such thing as a “pointer variable”: all variables are the same.There are, however, variables with different types. foo's type is int. foo_ptr's type is int *...

STLFrom wikipedia, the Standard Template Library (STL) is a software library for the C++ programming language that influenced many parts of the C++ Standard Library. It provides four components called:algorithmsA large number of algorithms to perf..

问题描述From C++ references, is a library, but others are headers. What’s the difference between them.Difference between Header file and LibraryHeader filesThe files that tell the compiler how to call some functionality (without knowing how the fu..

问题描述在C++中，array与vector of vectors 是否一致。array[123456789101112]\left[ \begin{matrix} 1&2&3&4\\ 5&6&7&8\\ 9&10&11&12 \end{matrix}\right]⎣⎡​159​2610​3711​4812​⎦⎤​vector of vectors[[1,2,3,4],[5,6,7,8],[9,10..

#includeFrom 《C++ Library reference 概览》, include come from ‘algorithm -> merge -> includes’.From geeksforgeeks, #include is a way of including a standard or user-defined file in the program and is mostly written at the beginning of any C/C++ pr..

.cc|.cpp|.c++|.cp|.cxx|.C|.CPPGNU GCC recognises all of they as C++ files, and will use C++ compilation regardless of whether you invoke it through gcc or g++..c vs. .C.C is a C++ file, but .c is a C file..cpp VS .cccc = C with classescpp..

boost(boost.org)From wikipedia, Boost is a set of libraries for the C++ programming language that provides support for tasks and structures such as linear algebra, pseudorandom number generation, multithreading, image processing, regular expressions, ..

摘要search path.How does gcc find the header filescommond`gcc -print-prog-name=cc1plus` -vThis command asks gcc which C++ preprocessor it is using, and then asks that preprocessor where it looks for includes.Tell the gcc to go the the dict..

OverviewPartly by convention and partly by design, C programs are split into source files that describe the functionality of the program itself and header files that describe how to invoke that functionality from other source files.Locationheade..

问题描述如题所述解决方案#define SIZE 3int eye[SIZE][SIZE] = {0};int main() { for (int i = 0; i < SIZE ; ++i) { eye[i][i] = 1; }}ReferencesInitialize an “eye” (identity) matrix array in C

STL vs. C++ Standard Library区别详情参见《理解C++中STL与Standard Library》Standard C++ Library referencecplusplusC LibraryThe elements of the C language library are also included as a subset of the C++ Standard Library. These cover many aspects, from ..

摘要作为C++发明人，*Bjarne Stroupstrup*在个人网站上谈了不少对C++的思考。详细阅读，摘录部分如下。What is C++C++ is a general-purpose programming language with a bias towards systems programming thatis a better Csupports data abstractionsupports object-oriented programmingsuppor..

问题描述如题所示#include <iostream>using namespace std;vector<vector<int>> matrix(n, std::vector<int>(n));for ( size_t i = 0; i < n; ++i ){ matrix[i][i] = 1;}解决方案for循环在函数体外#include <iostream>using namespace std;..

Type conversionImplicit conversionImplicit conversions are automatically performed when a value is copied to a compatible type.short a = 2000;int b;b = a;The value of a is promoted from short to int without the need of any explicit operator. T..

Overloading operatorsClasses, essentially, define new types to be used in C++ code. And types in C++ not only interact with code by means of constructions and assignments. They also interact by means of operators. For example, take the following opera..

Classes(I)Classes are an expanded concept of data structures : like data structures, they can contain data members, but they can also contain funcitons as members.An object is an instantiation of a class. In terms of variables, a class would be the typ..

ArraysAn array is a series of elements of the same type placed in contiguous memory locations that can be individually referenced by adding an index to a unique identifier.That means that, for example, five values of type int can be declared as an ar..

Statements and flow controlA simple C++ statement is each of the individual instructions of a program, always end with a semicolon(????, and are executed in the same order in which they appear in a program.Selection Statements: if and elseThe if keywo

OperatorsAssignment operator(=)The assignment operator assigns a value to a variable.Assignment operations are expressions that can be evaluated. That means that the assignment itself has a value, and - for fundamental types - this value is the one ..

CompilersComputers understand only one language and that language consists of sets of instructions made of ones and zeros.This computer language is appropritely called machine language.A single instruction to a computer could look like this:A partic..

JSONJSON(JavaScript Object Notation)JSON is a lightweight data-interchange format. It is easy for humans to read and write. It is easy for machines to parse and generate.JSON is a text format that is completely language independent but uses conventi..

OverviewWikipedia : Build automationBuild automation is the process of automating the creation of a software build and the associated processes including :compiling computer source code into bianry codepackaging binary coderunning automated tests..

C++11(wikipedia)时间版本1998C++98ISO/IEC 14882:19982003C++03ISO/IEC 14882:20032011C++11(C++0x)ISO/IEC 14882:20112014C++14ISO/IEC 14882:2014C++11 是C++语言的一个标准。GCChttps://gcc.gnu.org/安装gcc最方便的方式是通过：sudo yum install centos..

language translateThere are 4 phases for a Program to finally get translated into an executable file viz:Preprocessing : It expands the code (For example - expansion of macros, removal of comments and conditional compilation)Compilation : Translates ..

前言The compilation is the process which convert the program written in human readable language like C, C++ etc into a machine code, directly understood by the Central Processing Unit.There are many stages involved in creating a executable file from the ..

vcpkggithubwikipedia知乎问题 : 如何看待Windows的C++包管理器vcpkg中文总览vcpkg was first announced at CppCon 2016.​

centos-release-sclIn order to gain access to SCLs for CentOS, you need to install the CentOS Linux Software release file. It is part of the CentOS Extras repository and can be installed with this command:yum install centos-release-sclSCLFrom wikip..

前言{} 在C++中功能较多，笼统来讲，功能起源是“变量初始化”，其用于汇总函数statements，也可以抽象理解为对函数这个变量的初始化。功能案例Functionsvoid myfunction(datatype argument) { // any statement(s)}Loopswhile (boolean expression) { // any statement(s)}do { // any statement(s)} while (bo..

函数1没有参数时void f(void)：确定函数不需要参数void f()：不确定函数需要什么参数进行函数声明时，括号内尽量明确，哪怕什么也没有。mainreturn 0表示正常运行本地变量又称为局部变量、自动变量（生存期是自动的）。生存期开始出现到消失的周期。作用域起作用的领域。块大括号内的代码称为块。数组2int main(...