I am running an application and it throws me an error saying: "C++ header 'string_view' is required. You need to install a newer libstdc++ on the host system." Can someone guide me on what I need to do to get…
[Intro]] I have been practicing C for 4 Months 5 times a Week, I am attempting to make the best possible guess for moving into web server/client programming for HTTP2. I have worked with HTML5 & Javascript I also work…
I'm trying to compile a hello world program in C using gcc I'm using gcc 9.3.0 & ubuntu 20.04 this is my c program 'hello.c' #include<stdio.h> int main() { printf("Hello Worldn"); return 0; } When I compile gcc hello.c it…
I wanted to try making my own absolute value function. I figured that the fastest way to calculate absolute value would be to simply mask out the sign bit (the last bit in IEEE 754). I wanted to compare it's…
my code is simple like this: #include <stdio.h> int main(int argc, const char * argv[]) { // insert code here... printf("Hello, World!n"); printf(" sizeof int = %lun", sizeof(int)); return 0; } run on xcode and got error: Message from debugger:…
I'm pushing some data to a Redis instance from a console app every few seconds. This is roughly how I'm doing it: int foo = GetFoo(); BigObject bar = GetBigObject(); _cache.StringSet("Foo", JsonConvert.SerializeObject(foo)); _cache.StringSet("Bar", JsonConvert.SerializeObject(bar)); but after a while I get…
I am using PHP code that relies on the package: https://pecl.php.net/package/pcsc Finally I need to update from PHP 5 to PHP 7 (late enough). The REMI repo for CentOS unfortunately does not support PCSC for PHP7 anymore so I tried…
So the problem is that I have to print a value(decimal, octal, hex) between two characters. The code is: #include <stdio.h> int main (void) { char a, b; int z, temp; printf("Enter first character: "); scanf("%s", &a); printf("Enter second character:…
Environment OS: Ubunty 20.4, Centos 8, macOS Catalina 10.15.7 Language: C, C++ Compiler: gcc (most recent versions for each OS) Issue I am using wordexp Posix library function to get shell-like expansion of strings. The expansion works fine with one…
I've been using xcode for some months and this has never happened before, i'm not sure whether i pressed something i shouldn't have or meddled with the settings. Basically i write something like for(int i=1;i<=n;i++) and press enter, and the…