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Atom setting for C+++

Bogopo last edited by

I want to build a text editor atom to develop a C++ code, because I like the editor very much. I found on the Internet that we need to put the flames on: script♪ autocomplete-clang♪ linter-clang I never understood what else to do. I'd like to use CMake, i.e. to describe the configuration of the CMakeLists.txt project and then one button to build and start:
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Anderson last edited by

First, you need to learn to collect your project in consoles by teams. cmake and make (in accordance with your musician team) make it will be different, it's another question. After that, you're building a package. build creating a catalogue of the project .atom-build.json and write it down. make team. Now. F9 problems of lens, variables path and so on: It's just that it's not gonna work out at this stage, so we have to wait for improvement. cmake You'll be on a separate command line as necessary (really rare)
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Calculation of areas of different C+++ figures
Software Programming • c++ op class function virtual • • emmalee

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You want perverts:#include <vector> #include <string> #include <iostream> #include <iomanip> #include <functional> #include <map> #include <sstream> #include <algorithm> using namespace std; class Shape { public: Shape(const vector<double>& data):data(data) { } virtual double area() = 0; virtual ~Shape(){} static void reg(const string& name,function<Shape*(const vector<double>&)> f) { registry.insert(make_pair(name,f)); } static Shape* make(const string& s) { istringstream is(s); string name; vector<double> data; is >> name; for(double d; is >> d; data.push_back(d)); if (auto it = registry.find(name); it != registry.end()) { return it->second(data); } return nullptr; } protected: vector<double> data; inline static map<string,function<Shape*(const vector<double>&)>> registry; }; class Rectangle: public Shape { public: Rectangle(const vector<double>& data):Shape(data){} double area () { return (data[0]data[1]); } static Shape make(const vector<double>& data) { return new Rectangle(data); } }; class Triangle: public Shape { public: Triangle(const vector<double>& data):Shape(data){} double area () { return (data[0]data[1])/2; } static Shape make(const vector<double>& data) { return new Triangle(data); } }; class Circle: public Shape { public: Circle(const vector<double>& data):Shape(data){} double area () { return 3.1415926*data[0]data[0]; } static Shape make(const vector<double>& data) { return new Circle(data); } }; int main(int argc, const char * argv[]) { Shape::reg("Rectangle",Rectangle::make); Shape::reg("Triangle", Rectangle::make); Shape::reg("Circle", Circle::make); int N; (cin >> N).ignore(1024,'\n'); vector<double> areas; for(int i = 0; i < N; ++i) { string s; getline(cin,s); Shape * sh = Shape::make(s); if (sh) areas.push_back(sh->area()); delete sh; } sort(areas.begin(),areas.end()); for(auto ar: areas) cout << ar << " "; cout << endl; }
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When to implement functions in the header?
Software Programming • c++ c language file header • • guilherme

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When you include functions in headers you mark them with the inline, and it is not necessary to repay them in the source. Just once is enough.Advantages:Speed: The compiler can perform much better code ownership optimizations for each function by compiling the client code. This is especially true for small functions of one or two lines. For large or unused functions, this difference is not significant.Disadvantages:compilation time: The compiler will have more code to analyze when compiling each file. In a big project this can translate in a few seconds or minutes. If you've used it boost, felt it on the skin.Size of executable: If your implementation is put in a shared library, it will weigh once only on disk and memory. Imagine if libc were implemented all in headers. The whole executable would have a copy of the functions and when it was opened, would keep in the mere code that could have been shared among other processes.Recompiling: When changing an implementation, all the code you use will need to be recompiled. More time spent, more work done.Binary compactness: If the function placed in a shared library is modified so that your statement in the header does not change, you can exchange .dll/.so/.dylib for the newest in the program you use without having to recompil anything. It will be a transparent update.Conclusion:If it is a critical function, small and that is widely used, it can be worth it. Otherwise, it is worth thinking if it is really necessary to set in the header.In the case of C++, this is in most cases inevitable with templates and functions. These need to be set in headers so that they are specialized for other types for each use.
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Form a triangle of pair numbers? C++
Software Programming • c++ • • amarantha

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Important: Read all this answer.The code has already been tested and is also documented in the comments.Formation of triangle with pair numbersA possible way to make the program form a triangle with numerical pairs would be to carry out the following actions:Create a function that does not return any value. Instead, show on screen pair numbers when an entire number is passed as an argument. I mean par( n ).Create the entire variables n and filasWhere n is the variable that will pass as the argument of the function par( n ) to display on screen numbers pairs and filas, the number of rows that will form the triangle.Create two (02) loops.The first will be the main loop, which will form the rows of the triangle, traveling from 1 until fila.The second, which is the one that will be nested within the main loop, forming columns of numerical pairs from 1 to iwhere the latter is the variable iterator the main loop to make the ratio of rows and columns equivalent.Without further preambles, let's start with the code.Function void par( int ):void par( int n ) { // Nos aseguramos que el número que pase como argumento sea «par»: n = 2 * n; // Se comprueba si el número par tiene solo una cifra: if ( n < 10 ) { // Si entra aquí el número es de un dígito, // para que el número siempre tenga al menos dos // dígitos y que queden alineados verticalmente, // mostramos un espacio a la izquierda, cout << " " ; } // Ahora que ya tabulamos, mostramos el número, // y agregamos otro espacio a la derecha para // que sepamos dónde termina el número // y dónde comienza el otro. cout << n << " "; } Variables and loops within the function main():int main() { // Declaramos las variables «n» y «filas»: int n = 0, filas = 0; // Le solicitamos al usuario que ingrese una cantidad // de filas para formar un triángulo: cout << "¿Cuántas filas deseas agregar al triángulo? => "; cin >> filas; // En este bucle, crearemos las filas del triángulo: for( int i = 1; i <= filas; i++ ) { // En este bucle creamos las columnas del triángulo. // Para conseguirlo se empieza desde 1 hasta «i», // siendo la última la variable iteradora // del bucle principal: for( int j = 1; j <= i; j++ ) { par( n ); n++; } // El salto de línea por cada fila // que se haya formado: cout << endl; } return 0; } It is possible that this is not the best solution for the formation of the numerical pair triangle, but it is approaching fairly. Therefore, I leave the full code with the least possible comment on it.Complete example:#include <iostream> using namespace std; // Prototipo de función: void par( int ); void par( int n ) { n = 2 * n; if ( n < 10 ) { cout << " "; } cout << n << " "; } int main() { int n = 0, filas = 0; cout << "¿Cuántas filas deseas agregar al triángulo? => "; cin >> filas; for( int i = 1; i <= filas; i++ ) { for( int j = 1; j <= i; j++ ) { par( n ); n++; } cout << endl; } return 0; } That when running it from a terminal, assuming that the executable we generated after the compilation of the code is triangle:usuario@linux$ ./triangulo Produce the following output:¿Cuántas filas deseas agregar al triángulo? => 10 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98 100 102 104 106 108 I left a version of the code in https://repl.it/@DavidEE1/Triangulo-de-numeros-pares-3 so they can execute it and then test their results.Important: The zero is a pair number, so it is included in the triangle formed by pair numbers.You can read the following fragment from the Wikipedia:In the set of integers (Z), 0 is a pair number; it satisfies the definition of parity, as well as all the characteristics of pair numbers. O https://es.wikipedia.org/wiki/Cero#Paridad .
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Schecker Size Method (C+++)
Software Programming • c++ sorting • • Raziyah00

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You just need to change the comparison sign to sort it out.void myShakerSort(int *arr, int size) { int leftMark = 1; int rightMark = size - 1; while (leftMark <= rightMark) { for (int i = rightMark; i >= leftMark; --i) if (arr[i - 1] < arr[i]) swapEl(arr, i); ++leftMark; for (int i = leftMark; i <= rightMark; ++i) if (arr[i - 1] < arr[i]) swapEl(arr, i); --rightMark; } } P.S. and instead of poems, it's always best to use a pre-increment if it's not a interference with the program. In this case, you don't have to use the postics.
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C++/c#
Software Programming • c sharp c++ math • • Saumya

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Relatively simple:Reading. https://ru.wikipedia.org/wiki/%D0%9E%D0%B1%D1%80%D0%B0%D1%82%D0%BD%D0%B0%D1%8F_%D0%BF%D0%BE%D0%BB%D1%8C%D1%81%D0%BA%D0%B0%D1%8F_%D0%B7%D0%B0%D0%BF%D0%B8%D1%81%D1%8C and you know how to compute the expressions that you've written. It's quite simple.Realizing. https://en.wikipedia.org/wiki/Shunting-yard_algorithm which translates expressions from the usual (infixed) donation to the reverse Polish.The alternative is to find a ready library. Google says http://mathparser.org/ ♪
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Reloading of operators [] and ()
Software Programming • c++ overload of operators • • fbio

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Arithmetic progress. The operator [] shall return the n-member and () the sum of the first n members of the arithmetic progress:class ArithProgression { public: ArithProgression(int a1, int d) {this->a1=a1, this->d=d;} int operator[](int n) {return a1+d*(n-1);} int operator()(int n) {return (2*a1+d*(n-1))*n/2;} private: int a1, d; }; int main() { ArithProgression ap1(1, 2); cout << ap1[6] << ' ' << ap1(6) << endl; ArithProgression ap2(100, -3); cout << ap2[14] << ' ' << ap2(14) << endl; return 0; } Answering the question from the comments:Through the operator [] this is how:class Vector { public: ...Другой код... float& operator[](int index) {return ((float*)this)[index];} float x, y, z, w; }; class Matrix { public: ...Другой код... Vector& operator[](int index) {return data[index];} Vector data[4]; }; For matrices and vectors, the operator [] may not be overloaded at all. If the matrix is stored as a set of vectors, it can be redefined operator Vector*♪ Thus, the matrix will be inaccurate by the indicator on the vector and the index itself supports []. The vector can also be identified operator float*♪ This is how:class Vector { public: ...Другой код... operator float*() {return (float*)this;} float x, y, z, w; }; class Matrix { public: ...Другой код... operator Vector*() {return data;} Vector data[4]; }; Использовать оба варианта можно так: Matrix matrix; ...Инициализация матрицы... cout << matrix[1][2] << ' ' << matrix[1].z << endl; if(matrix[1][2]!=matrix[1].z) cout << "Error!" << endl; //Выводить не должно, так как индекс 2 соответствует z-координате.
Set time in the constant ть C#
Software Programming • c sharp datetime • • Laycee

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I don't really know what you mean by 11:30, no matter what. Perhaps you could use the TimeSpan, which represents a time interval:public static readonly TimeSpan startTime = new TimeSpan(11, 30, 0); static void Main() { //остальной код } Your translation of the date into the line and back can be simplified:var startTime = new DateTime(1, 1, 1, 11, 30, 1);
Is there a hybrid C and C#?
Software Programming • c sharp c language • • carriann

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Now, about the description of the indexes to the functions, perhaps you're right. On the other hand, in which language and how can the function that accepts and returns itself be properly described?(sighs)In principle, the current version in C can be described, for example, somehow (only the compiler will not be able to make correct checks) typedef void * (*func)(void * (*)(), char *); ... void * foo (func f, char *msg) { ... return (f && f != foo) ? f(foo, msg) : foo; } The example, of course, is practically pointless (demonstrates that the function is basically just an address (i.e.). void *(c)).
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Set SO_REUSEASO in C# WebRequest class
Software Programming • c sharp net • • elysha

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SO_REUSE_UNICASTPORT ServicePointManager.ReusePortHometrueIf you set it, you can meet the requirements.
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C+++ from memory C#
Software Programming • c sharp memory • • kalena

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If the function is loaded in your annex, then so:delegate int SendDelegate(int Index, int SubIndex, IntPtr Message); int Send(int index, int subIndex, string message) { IntPtr funcPointer = ...; // здесь адрес вашей функции var func = Marshal.GetDelegateForFunctionPointer<SendDelegate>(funcPointer); IntPtr lpstr = Marshal.StringToHGlobalAnsi(message); // выделяем память под char* int result = func(index, subIndex, lpstr); Marshal.FreeHGlobal(lpstr); // освобождаем память return result; }
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Use "new" instead of "new" in C++
Software Programming • c++ remember • • fbio

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Such a way of creating single facilities is not appropriate in cases where polymorphous disposal of polymorphous objects is necessary. Polymorphic disposal is possible only through new/deletebut not through new[]/delete[]♪Such a way of creating single objects would result in an increased memory flow in cases where the facility has a non-trivial designer.
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C and C++
Software Programming • c++ c language • • simrah

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Example in the code is a classic example of the difference between c and c+++. In s++, the symbol is char. And the size of it is 1. All are given int and size 4.And the difference between single and double rubbers is just a single symbol, a double line (massiv char).The most interesting thing about it is. https://ru.wikipedia.org/wiki/%D0%A1%D0%B8_(%D1%8F%D0%B7%D1%8B%D0%BA_%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F)#%D0%A1%D0%B8_%D0%B8_C++ It says:And read it. http://alenacpp.blogspot.com/2009/03/sizeofa.html ♪
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Set the download location and name of each downloaded file - Selenium WebDriver C #
Software Programming • c sharp selenium webdriver • • baileigh

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You have no way to do that.What you can do is create a temporary directory and move your files after inserted.Using system.IO; string downloadDirectory = @"c:\temp\MyTest.txt"; //No seu caso, o diretório downloadDirectoryFinal é uma variável de acordo com teus relatórios. if (relatorioId==1) { string downloadDirectoryFinal = @"c:\Relatorio1\Nome1.txt"; } else { string downloadDirectoryFinal = @"c:\Relatorio2\Nome2.txt"; } //Diretório temporário if(File.Exists (downloadDirectory)) { //Mover o arquivo para a pasta correspondente ao relatório que deseja File.Move(downloadDirectory, downloadDirectoryFinal); }
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How can the colouring of the negative elements in the two-way set of DataGridView? (C#)
Software Programming • c sharp liabilities datagridview • • Oba22

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You forgot the type.foreach (DataGridViewRow row in dataGridView1.Rows) { var cell = row.Cells[someColumnIndex]; int number = (int)cell.Value; if (number == 3) cell.Style.BackColor = Color.Blue; else if (number == 2) cell.Style.BackColor = Color.Red; } https://docs.microsoft.com/ru-ru/dotnet/csharp/programming-guide/types/boxing-and-unboxing By the way, there's a way to write this code a little easier, but you need C# 8.0. Unfortunately, you have no version of the dotnet or language.
Entities, violation of access rights on tape
Software Programming • c++ c language • • carriann

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Don't do a set of zero indexes, but create a set of structures.Node arr[5]; // ! НЕ указатели void foo(int pr, int dat) { arr[1] . dat = dat; //интересная arr[1] . pr = pr; //часть }

Atom setting for C+++

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Software Programming • c sharp c++ math • • Saumya

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