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It is Better to Use Devector Than std::deque

by Mikhail Semenov

This article shows that double-ended vector is much faster than std::deque and should be preferred.

Integer Square Root on 15 Assembler Lines

by altomaltes

This code calculates square root of an integer on a few assembler code lines.

A Simple 32bit Ret2libc Attack in Linux

by Oscar-Tark

In this article, we will be looking at a more advanced version of a buffer overflow attack.

Segmented Map, a Compromise Between Flat Map and std::map

by Mikhail Semenov

This article proposes a mapping algorithm, called Segmented Map, which is almost as fast as Flat Map is random access and enumeration of elements and close to std::map in insertion of elements.

Latest Articles

Exploring Retro68 GCC-based SDK for 68K Macintosh Computers

by ToughDev

Retro68 GCC-based SDK for 68K Mac

Building Wireshark 1.12.5 Static Binaries for CentOS 5

by ToughDev

How to build Wireshark 1.12.5 static binaries for CentOS 5

LINQ and Performance

by Steffen Ploetz

Is LINQ the right technology for processing large amounts of data in runtime-relevant environments?

Segmented Map, a Compromise Between Flat Map and std::map

by Mikhail Semenov

This article proposes a mapping algorithm, called Segmented Map, which is almost as fast as Flat Map is random access and enumeration of elements and close to std::map in insertion of elements.

All Articles

GCC

How to build boost thread library in linux ?

27 Dec 2023 by Richard MacCutchan

See B2 User Manual - 1.84.0[^].

How to build boost thread library in linux ?

27 Dec 2023 by Member 15872449

I am using centos 5.11 with gcc-4.6.3 support ,I need to build boost thread library(version 1.82) using the same gcc without upgrading . What I have tried: The commands I used are ./bootstrap.sh ./b2 But running the bootstrap command I am...

Not finding C++ standard headers

23 Jul 2023 by honey the codewitch

I'm trying to get my C++ project to compile under ZephyrOS. It doesn't use many of the standard includes, but it uses and my build system is such that it's not finding it. It uses GCC and not G++ and I was wondering if that might have...

Not finding C++ standard headers

23 Jul 2023 by honey the codewitch

To fix, add the following to prj.cfg CONFIG_CPP=y Then it works.

Exploring Retro68 GCC-based SDK for 68K Macintosh Computers

7 May 2023 by ToughDev

Retro68 GCC-based SDK for 68K Mac

Building Wireshark 1.12.5 Static Binaries for CentOS 5

7 May 2023 by ToughDev

How to build Wireshark 1.12.5 static binaries for CentOS 5

LINQ and Performance

15 Nov 2022 by Steffen Ploetz

Is LINQ the right technology for processing large amounts of data in runtime-relevant environments?

Segmented Map, a Compromise Between Flat Map and std::map

18 Sep 2022 by Mikhail Semenov

This article proposes a mapping algorithm, called Segmented Map, which is almost as fast as Flat Map is random access and enumeration of elements and close to std::map in insertion of elements.

It is Better to Use Devector Than std::deque

10 Sep 2022 by Mikhail Semenov

This article shows that double-ended vector is much faster than std::deque and should be preferred.

How do I call windows apis in GCC inline ASM

22 Jun 2022 by reverser69

hi after searching for a month or two, I finally found out the solution: in x86 code, APIs must be prefixed with underscore and called by their decorated name. e.ge i must call like: calll _MessageBoxA@16 16 being the number of bytes of the...

How do I call windows apis in GCC inline ASM

21 Jun 2022 by reverser69

hi all i want to learn asm inlining using codeblocks+GCC(MinGW32) and i came across this problem. this is my code: #include #include #include char * msg = "Hello, World!\n"; char * wMsg = "Content of the...

How to fix ubuntu 18.04 declspec.h error?

3 Jun 2022 by srtmdem

I am trying to use "sbas_parallel.c" code in ubuntu 18.04, i install a "gcc" compiler and insert the written row below ; "gcc -fopenmp -w sbas_parallel.c -I/usr/local/include/gmt -I/usr/local/GMTSAR/gmtsar -I/usr/local/include...

How to fix ubuntu 18.04 declspec.h error?

3 Jun 2022 by k5054

You'll note that the include directive is surrounded by double quotes. This indicates that the file in question should be either in the current directory, or perhaps in a directory on the include path, (the arguments to the -I flags). Looking...

Is there any way to create a .CPP for a template

8 Dec 2021 by honey the codewitch

This is complicated so bear with me. I have a very performance sensitive codepath I'm working on, for low level IO comms with LCD displays, so there's a lot of data I have to move quickly. I am working with an offering called TFT_eSPI GitHub -...

Is there a way to get GCC (G++) to respect "inline" a little more?

7 Dec 2021 by Stefan_Lang

I never tried that myself just for this purpose, but have you considered wrapping the code in question into a template function? If I'm not mistaken that should force it to be inline. E. g.: template void address_window_internal(T...

Is there a way to get GCC (G++) to respect "inline" a little more?

7 Dec 2021 by honey the codewitch

Overall I must optimize my code for size, due to targeting IoT devices which have small amounts of SRAM with which to code for execution, and which have small program flash sizes, but there are some situations where I need trivial functions to be...

Is there a way to get GCC (G++) to respect "inline" a little more?

6 Dec 2021 by k5054

Have you tried the always_inline attribute? See the attribute specification documentation over at cppreference.com[^] That requires C++-11, so will hopefully be available for your G++ tool chain. Also see Optimize Options (Using the GNU Compiler...

000602 - I get incompatible pointer types warning when I use const for pointers

24 Aug 2021 by ilostmyid2

When making the following code: #include typedef struct { } obj; void f1(obj **ppo) {} void f2(const obj **ppo) {} void f3(obj *const *ppo) {} void f4(obj **const ppo) {} void f5(const obj *const *ppo) {} void f6(const obj...

Need help to print the following pattern using C language

30 Jul 2021 by Atul Shreewastav

1 6 10 13 15 2 7 11 14 3 8 12 4 9 5 This is how the output should look like What I have tried: I tried to find a specific pattern that follows in the rows and columns and found: 1....

Need help to print the following pattern using C language

30 Jul 2021 by OriginalGriff

Think of it this way: assuming you have to print this in a console, then you need to print it as complete rows (or it gets complex: you need to create a 2D array, fill it, and then print that. While that is actually pretty simple to to, if you...

A Simple 32bit Ret2libc Attack in Linux

27 May 2021 by Oscar-Tark

In this article, we will be looking at a more advanced version of a buffer overflow attack.

What is the difference between the 2 compiling commands ?

24 Apr 2021 by Ahmad Qassym

1) gcc -c file.c -o file.o 2) gcc file.c -o file please if u gonna to answer the question ,try to give an simple answer as much as possible! What I have tried: ......................................................

What is the difference between the 2 compiling commands ?

24 Apr 2021 by Aghast (nj)

Command (1) compiles the .c file to a .o (object) file, then stops. Command (2) compiles the .c file to an object file, then links the object file with the C standard library to produce an executable file named file. Both commands drop their...

What is the difference between the 2 compiling commands ?

24 Apr 2021 by Dave Kreskowiak

-c Compile or assemble the source files, but do not link. The linking stage simply is not done. The ultimate output is in the form of an object file for each source file. By default, the object file name for a source file is made by replacing...

Array overruns or something going on

22 Mar 2021 by Rick York

There are several errors in this code. Here's one : MemMgr::InsertBlock(void* block) { if(sizeof(block) > MAX) throw runtime_error("Blocksize too big"); if(_blocks.size() > MAX) throw runtime_error("Out of room"); ...

Array overruns or something going on

22 Mar 2021 by Tim ONeil

I have defined a pretty simple class that I'd like to manage an array of blocks of data, arrays of 256 bytes each, with a max number of 256 blocks. I'm using a std list to hold the arrays. For testing I'm creating a an array of same, memsetting...

Array overruns or something going on

22 Mar 2021 by Greg Utas

It's hard to debug just looking at a sketch, but void* is the size of a pointer. So when you index _mempool, you're going to be incrementing by the size of a pointer (32 or 64 bits), not a byte. I would suggest trying uint8_t* instead of void*....

991121 - how to find what sources has included this header file?

9 Feb 2021 by ilostmyid2

I'm going to implement 'friend' classes in C! For this I need not to allow all sources to include specific header file. One method is to define the whole child class in the parent class. This is not a good idea, because the volume of the parent...

991121 - how to find what sources has included this header file?

9 Feb 2021 by k5054

It's not exactly clear what you are trying to do. It sounds like you don't want to use //myHeader.hpp #ifndef MYHEADER_H #define MYHEADER_H /* ... header info */ #endif // MY_HEADER_H If that's the case, maybe #pragma once is what you're...

How do I make an unordered_map type have itself as a value? (C++)

11 Dec 2020 by honey the codewitch

Apparently I'm getting rusty. I need to find a way to have an unordered_map reference a struct using just its forward declaration, but I want STL to handle allocation and cleanup like normal. See the code for a concrete example of what I want. ...

How do I make an unordered_map type have itself as a value? (C++)

11 Dec 2020 by steveb

Forward declarations work only for pointers and references. Depending which compiler you using, the "map_value" is an incomplete type at the point where you declared it inside the struct map_value body. I beleive it probably should be: struct...

How do I make an unordered_map type have itself as a value? (C++)

10 Dec 2020 by honey the codewitch

Try mv.value.insert(std::make_pair("test",std::unique_ptr(pmv2))). std::make_unique is really simply... dynamic allocation (with new) following by constructing a std::unique_ptr to hold the pointer. The constructor is explicit so it...

Understanding C++20 Coroutines, Awaitable Objects and Operator co_await with Real Samples

3 Dec 2020 by Yuancai (Charlie) Ye

C++, C++20 Coroutine, Awaitable Object, co_await, Cross Platform Development and Non-blocking Socket Communication

C++ get variable name

29 Oct 2020 by Gautam Naresh

#include using namespace std; #define getName(VariableName) # VariableName int print(int num) { std::cout"

C++ get variable name

28 Oct 2020 by Rick York

You are calling the macro like this : getName(num), so it can not possibly display mynum. I had a similar problem and I did something like this : #define printValue( val ) print( val, # val ) int print( int num, const char * name ) { ...

How to solve error 'collect2: error: ld returned 1 exit status' in linux using MINGW

9 Oct 2020 by User 14926697

I want to connect two OS with each other and I'm using this code: #include #include #include #include #include #include #include #include #include...

How to solve error 'collect2: error: ld returned 1 exit status' in linux using MINGW

9 Oct 2020 by OriginalGriff

Probably it's your compiler / linker command line. Have a look at this, and compare what you use with the solution there: c++ - MinGW linker error: winsock - Stack Overflow[^]

Did I use "iostream" correctly here? Intial research into issue says yes but it still won't compile

15 Sep 2020 by Stefan_Lang

First of all, iostream is the least of your problems. By far! I'm not quite sure what your teacher wanted to achieve with this task. If your programming skills aren't advanced enough to immediately spot and fix at least a dozen errors before...

Did I use "iostream" correctly here? Intial research into issue says yes but it still won't compile

15 Sep 2020 by Member 14935473

initially our teacher gave this as an example. told us to check to see if it works, internet was slow so we ended the class, but i kept working on it #include #include using namespace std; class structure{ typedef...

Did I use "iostream" correctly here? Intial research into issue says yes but it still won't compile

10 Sep 2020 by CPallini

You code looks like a mix of C and C++ programming languages. Typically, the C programmer writes #include typedef struct { char firstname[20]; char lastname[20]; int age; } student_info; int main () { student_info student[]...

How can I get this done effectively

16 Jul 2020 by Pilallamarri chandhu

Consider the following code: #include class Intersect { public: static bool overlap(std::string polygonA, std::string polygonB); }; bool Intersect::overlap(std::string polygonA, std::string polygonB) { // implementation goes here return...

How can I get this done effectively

16 Jul 2020 by Stefan_Lang

Just looking at your code, there are two issues: 1. In your second for loop, you are referencing ss (twice), where you should use ss1 instead 2. While you did use loops to interpret the string of coordinates, you did not use loops to calculate...

How can I get this done effectively

15 Jul 2020 by KarstenK

You better implement a polygon class which takes the string as input. In the constructor or better parse function use must convert the string numbers into numbers with some function as atoi because math with strings is nonsense . This is also...

Down the Rabbit Hole: Template Interface around a C Library (libibverbs) in C++

27 May 2020 by Mohammad Nasirifar

Interface around libibverbs

Basic x86-32bit Formatted String Exploits in Linux - Part 1

29 Feb 2020 by Oscar-Tark

A basic formatted string exploit shows you how small errors in programming with the printf function can be a lethal weapon for hackers looking to compromise a system.

How do I add / link library to library - using GCC ?

26 Jan 2020 by Richard MacCutchan

Using the GNU Compiler Collection (GCC): Link Options[^]

How do I add / link library to library - using GCC ?

26 Jan 2020 by Vaclav_

My goal is to have one place to edit common class. I have build standard Linux x.a library and it compiles. The "problem" - the common class uses another library and the original "project" was linked to such library. I have included the required headers, now I need help to figure out how to...

How do I add / link library to library - using GCC ?

26 Jan 2020 by CPallini

Simply pass the filename (without -l) of the required library to gcc.

Efficient use of linear algebra library for simulations

4 Jan 2020 by heilokchow

benchmark tool to test whether your math library is set up properly

Numerical Methods with C++ Part 4: Introduction Into Decomposition Methods of Linear Equation Systems

3 Dec 2019 by thoughts-on-coding

Matrices are a key concept in solving linear equation systems. Efficient implementations of matrices are not only considering computation complexity but also space complexity of the matrix data.

This C++ program cannot be terminated by ctrl + C. Why?

5 Nov 2019 by Stefan_Lang

I strongly suspect this is a bug in the compiler's code optimization: M isn't read by the program, so the compiler will try to eliminate code referring to it - maybe it messed up this optimization because the statement cin>>N>>M internally translates into a nested function call:...

This C++ program cannot be terminated by ctrl + C. Why?

5 Nov 2019 by Shubham Avasthi

I was working on a C++ code, which for some unknown reason, does not terminate by Ctrl + C. The below code is a reduced version of the code I was working on and it has the same issue. Moreover, if I don't take an input for M (remove '>>M') or remove vector a(n) or initialize the size of vector...

This C++ program cannot be terminated by ctrl + C. Why?

5 Nov 2019 by RickZeeland

Might be a debugger issue, see: Workaround for GDB Ctrl-C Interrupt | MinGW[^]

This C++ program cannot be terminated by ctrl + C. Why?

5 Nov 2019 by CPallini

On my Linux box (Ubuntu 18), the following program #include #include using namespace std; int main() { int N,M; cin>>N>>M; vector a(N); } compiled with the g++ -O3 -std=c++14 (g++ 7.4.0) behaves as espected.

How could store my .dat file in a cloud service and retieve data (fout()) in my C++ program?

27 Sep 2019 by RickZeeland

Here is an interesting CodeProject example: RGF: A Save/Open Dialog Box with Cloud Capabilities[^] You can also take a look at the Google Cloud Client Library for C++ GitHub - googleapis/google-cloud-cpp: Google Cloud Client Library for C++[^] Another option is the C++ REST SDK: GitHub -...

How could store my .dat file in a cloud service and retieve data (fout()) in my C++ program?

27 Sep 2019 by Proyash Paban Sarma Borah

all said in the question. i am fairly new to coding please explain in simple words...help expected What I have tried: Dont' have a clue how to set up so i wasn't able to. i read about fout() being able to acess network servers but i didn't saw any code or understandable instruction.

Slightly Less Costly but Much Usable C++ Reflection with Singular Inheritance Rule

9 Jun 2019 by cassert24

Template code for basic reflection functionalities (e.g., dynamic casting, instance type comparison, class name) with C#-like singular inheritance rule (a.k.a, one-base-multiple-interface rule)

Integer Square Root on 15 Assembler Lines

5 Jun 2019 by altomaltes

This code calculates square root of an integer on a few assembler code lines.

Introduction into an Automated C++ Build Setup with Jenkins and CMake

26 Mar 2019 by thoughts-on-coding

Introduction into an Automated C++ Build Setup with Jenkins and CMake

Memory Barriers and Thread Synchronization

14 Mar 2019 by Martin Vorbrodt

Memory barriers and thread synchronization

How to declare a static variable in .h file and define it in a .c file ?

6 Nov 2018 by z3ngew

Hello everyone, I am building a code library in c to drive a keypad using atmega microcontroller, for that i have created 2 files keypad.h and keypad.c I am using GCC C compiler when i try to declare a static variable in .h file and then define it in .c file, as follow; .h file static char...

microcontroller

How to declare a static variable in .h file and define it in a .c file ?

6 Nov 2018 by Richard MacCutchan

You should not be defining them in the header file if they are static, just in the .cpp file. If you are trying to create global variables then you should declare them extern in the header, and give them a value in one .cpp file only, like: // header.h extern int variable; extern int...

microcontroller

How to declare a static variable in .h file and define it in a .c file ?

6 Nov 2018 by CPallini

You should declare your variable extern in the header and define it in the source file (without the static keywork: static in source file provides internal linkage). See, for instance: Internal linkage with static keyword in C - Stack Overflow[^].

microcontroller

Flight search you work as a software developer for a major airline

15 Sep 2018 by Patrice T

Quote: Flight search you work as a software developer for a major airline This smells like 1 of those challenge sites contests. The same question have been asked already today, you should team with your class/contest mates. All the interest of those contests is to know if you can solve it or...

No output of printf on terminal when using makefile

17 Aug 2018 by Member 13952559

My Makefile: HEADERS = headers.h macros.h main.h socket.h main.o : main.c main.h cc -c main.c socket.o : socket.c headers.h macros.h cc -c socket.c main.c #include "main.h" main() { printf("%s\n","Connect_Socket Start"); Connect_Socket(IP_ADDRESS, PORT); printf("%s\n","Connect_Socket...

No output of printf on terminal when using makefile

17 Aug 2018 by Jochen Arndt

Executing make will build the target according to the specifed rules. But it will not execute the created application. To do that after a successful build do it like you have done with manually compiling: type the name of the executable at the shell prompt ./mqtt_c8y

No output of printf on terminal when using makefile

17 Aug 2018 by OriginalGriff

Ata guess - and without your computer to hand that's all it can be - you don't get the output because the app is too busy connecting the socket to update the display. Try adding a user input after the printf and see what happens.

Arduino: Just Say No To Shields

6 Jul 2018 by raddevus

Arduino: just say no to shields

Cannot compile in linux

30 Jun 2018 by Member 13056292

in linux to compile cpp: 1) use g++ channelassignment.cpp, on successful compilation, ./a.out will execute. 2) g++ -o channelassignment channelassignment.cpp to get an executable of the same name i.e ./channelassignment hope it helps!

Cannot compile in linux

30 Jun 2018 by Shah Rukh Qasim

I want to compile a file in linux. When I compile it in MS visual studio (windows), it works quite fine but when I try to compile in linux by issuing command:"gcc channelassignment.cpp" I get following errors.../tmp/ccLvTU1V.o: In function...

How do I compile a cpp file inside a C# program

11 May 2018 by OriginalGriff

Use the Process class to execute gcc: Process Class (System.Diagnostics)[^] Be aware: if you "randomly" run applications you are given as source, you are opening your whole machine up to whatever the app writer chooses to do. I would STRONGLY recommend that you look at using a VM if you value...

How do I compile a cpp file inside a C# program

11 May 2018 by Member 13823039

I am trying to create a c++ console application judge system in C# for myself and a few friends. The user should select a cpp file, a folder with tests(an input file and an output file). The program should compile the cpp file(the user should have gcc compiler installed), execute it for every...

StringLib C: Library Adding String Type to C

8 Mar 2018 by Alex the Green Apple

C library defining string type and string manipulation functions

How to unistall previous installed GCC on win10?

28 Feb 2018 by Member 13376650

I use windows 10, and I think I already installed gcc 4.9.2 with codeblocks IDE automatically. This is the result of gcc --version command on CMD: gcc (tdm-1) 4.9.2 Copyright (C) 2014 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO...

How to unistall previous installed GCC on win10?

28 Feb 2018 by phil.o

You can have both. Nothing prevents you from having several versions of the compiler installed.

Make error help GCC compling

22 Feb 2018 by Gabriel Leonte

well. i run this : ../configure \ --target=$LFS_TGT \ --prefix=/tools \ --with-glibc-version=2.11 \ --with-sysroot=$LFS \ ...

Make error help GCC compling

22 Feb 2018 by Jochen Arndt

It is difficult to answer that without knowing what you are tyring to build and on witch system with which compiler. As suggested in the output you should have a look at the config.log file. That should contain error messages from the started tools (the C compiler) which might indicate what...

As per the conceptual understanding pointer is pointing to the memory location after incrementing the array by 12 bytes in gcc compiler.

20 Dec 2017 by Member 13587774

#include int main() { int a[3]={1,2,3}; int *p; p=&a+2; *p=50; printf("p = %d\n",p); printf("*p = %u\n",*p); printf("z = %u\n",&a+1); printf("y = %u\n",*(&a+1)); } What I have tried: I am getting the output on particular memory location only by using double pointer. Why...

As per the conceptual understanding pointer is pointing to the memory location after incrementing the array by 12 bytes in gcc compiler.

20 Dec 2017 by Jochen Arndt

The compiler shows warning: assignment from incompatible pointer type for the line p=&a+2; That is because a is an array and therefore already an int* pointer. So it must be p = a + 2; // or p = &a[2]; and similar in the printf calls.

As per the conceptual understanding pointer is pointing to the memory location after incrementing the array by 12 bytes in gcc compiler.

20 Dec 2017 by CPallini

Always compile with the -Wall switch. As matter of fact GCC warns on Quote: p=&a+2; That shoud be instead p = a + 2; Try #include int main() { int a[3]={1,2,3}; int *p; p=(a+2); *p=50; int n=0; for (n=0; n

Quadruple precision floating-point calculations in C/C++/FORTRAN

18 Sep 2017 by Shmuel Safonov

Creation a numeric library that calculates with quadruple floating-point precision and used from MSVC C/C++ code

How to import GCC project in codelite

27 Apr 2017 by Richard MacCutchan

You already posted this at Importing OpenSource Projects in CodeLite Ubuntu - - Uncategorised posts - Discussion Boards[^]. You have been a member here long enough to know not to cross post the same question in multiple forums.

How to link C kernel?

20 Apr 2017 by Neonbird

I am using Cygwin to link my kernel written in c. I successfully create two object files, one from nasm and other with gcc. How do i link it? when i tried, it give me output: ld: cannot perform PE operations on non-PE file format. What I have tried: I tried to link with ld -o...

Range of prime numbers

4 Apr 2017 by Patrice T

Quote: but im getting errors while submitting Which error messages ? Assuming you have a C compiler, you should learn how to use a debugger, it is an incredible tool. When you don't understand what your code is doing or why it does what it does, the answer is debugger. Use the debugger to see...

Program to implement insertion sort.

3 Apr 2017 by Patrice T

int array[argc] This not how you should allocate memory to dynamic variable. Read about "dynamic memory allocation" in C. If you can run the program o, your computer, use the debugger to see what happen. Advice: learn to indent properly your code, it helps to read it. #include...

Program to implement insertion sort.

3 Apr 2017 by Member 13095321

Your program should take as input a text file which contains numbers to be sorted and it should output a text file containing the sorted sequence and also output at each round of insertion sort. Both input and output files should be passed as command line arguments to your program as given in...

Program to implement insertion sort.

3 Apr 2017 by OriginalGriff

A Segmentation fault occurs when you try to use an invalid pointer, or on some systems try to access an array element that doesn't exist - it depends on the compiler what errors it detects. I would say that the first problem is that you are ignoring the instructions: Quote: Both input and...

Program to implement insertion sort.

3 Apr 2017 by Jochen Arndt

It looks like the above status message is generated by a test tool run by the site to which you are uploading it for verification. The tool seems to check if your program generates an output file and assumes some kind of error if no output file is generated. So have again a look at the...

Sorting the numbers.

31 Mar 2017 by Member 13095321

i need to write a program to sort command line arguments (Numbers).What I have tried:#include#includeint main(int argc, char *argv[]){ int i, j, t, n, pos, a[100]; n = argc - 1; printf("\nNumber of elements in the input array is : %d\n",...

Sorting the numbers.

31 Mar 2017 by KarstenK

There are different sorting algorhitms, so this tutorial at cprogramming gives you a fine lesson about sorting. tip: use Google

Range of prime numbers

30 Mar 2017 by Member 13095321

it's a pretty easy question, but im getting errors while submittingQuestion:Write a function isPrime(n) which outputs 1 or 0 if n is prime or not, respectively. Use this function in a program that takes a starting integer (s) and ending integer (e) as input and outputs 1 every time a prime...

Range of prime numbers

30 Mar 2017 by Mehedi Shams

Hi Member 13095321,There is a mistake in this line:for(i=2; i

950811 - compiler lack

1 Nov 2016 by Philippe Mori

The first problem with your code is that identifier that begin are reserved for the system. In your case, you use the well known macro _T as a parameter for your template.Unicode Programming Summary[^]The next problem with your code is inconsistent use of int and size_t for the size....

Use of type modifiers(near, far, huge) with normal variables in C

26 Oct 2016 by «_Superman_»

These keywords were used in the old days when memory was segmented (Code Segment, Data Segment, Stack Segment etc.).With the current Virtual Memory Model, these keywords are of no importance.But to answer your question, local variable all reside in a single segment (Stack) and hence the...

Use of type modifiers(near, far, huge) with normal variables in C

26 Oct 2016 by KarstenK

This are old keyword for compilers, to enhance the pointer address model. A good explanation is in the cplusplus-forum.In today programming world these keywords arent needed. With a little Google you would had found the answer in the last year. Like the explanation of the far pointer in...