Tutorial by Examples: argument

Lets have the following example.bat and call it with arguments 1 ,2 and 3: @echo off ( shift shift echo %1 ) As the variable expansion will change after the the end brackets context is reached the output will be: 1 As this might be an issue when shifting inside brackets ...

PGSQL> SELECT COALESCE(NULL, NULL, 'HELLO WORLD'); coalesce -------- 'HELLO WORLD'

PGSQL> SELECT COALESCE(NULL, NULL, 'first non null', null, null, 'second non null'); coalesce -------- 'first non null'

PGSQL> SELECT COALESCE(NULL, NULL, NULL); coalesce --------

#include <stdio.h> #include <pthread.h> void *thread_func(void *arg) { printf("I am thread #%d\n", *(int *)arg); return NULL; } int main(int argc, char *argv[]) { pthread_t t1, t2; int i = 1; int j = 2; /* Create 2 threads t1 and t2 wit...

One can use the command-line launching facility is when one wants to customize some aspects of the way MySQL Workbench operates. MySQL Workbench has the following common command line options: --admin instance - Launch MySQL Workbench and load the server instance specified. --query connection - ...