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Other 2021-09-28 06:21:04
random record get with pagination in karavel 8
Product::orderBy(DB::raw('RAND()'))->take(10)->get(); $products = Product::all()->random(); $products = Product::all()->random(10); $products = Product::all()->orderBy(DB::raw('RAND(1234)'))->paginate(4); Add solution -
C++ 2021-09-27 16:04:04
can you use rand to read in from an external file inc++
string line; int random = 0; int numOfLines = 0; ifstream File("file.txt"); srand(time(0)); random = rand() % 50; while(getline(File, line)) { ++numOfLines; if(numOfLines == random) { cout << line; } } Add solution -
C 2021-09-25 15:51:04
BlockChain in c
int hash(); void printStruct(); void printChain(); void printWallet(); void setLocation(); int Random(); int rand(); int getBlock(); void printNewChain(); struct Block{ int locationBefore; int machineID; int locationCurrent; }; int Random(int lower, int u... Add solution -
Java 2021-09-15 12:18:02
monte carlo birthday problem java
#include <stdio.h> // print #include <stdlib.h> <span data-mce-type="bookmark" &n... Add solution -
C++ 2021-09-13 19:06:03
seed random c++
#include<iostream> #include<cstdlib> using namespace std; int main() { int random = rand(); /* No srand() calls before rand(), so seed = 1*/ cout << "Seed = 1, Random number = " << random << endl; srand(5); /... Add solution -
Other 2021-09-13 04:47:03
alpha beta filter kalman
#include <stdio.h> #include <stdlib.h> int main() { float dt = 0.5; float xk_1 = 0, vk_1 = 0, a = 0.85, b = 0.005; float xk, vk, rk; float xm; while (1) { // edit by abdou xm = rand() % 100; // input signal xk = xk_1 + (vk_1... Add solution