so random script

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$ Random: generates random integers.

Example 9-25. Generate a random integer 1 #! /Bin/bash 2 3 # each call to $ random will return different random integers. 4 # The general range is 0-32767 (signed 16-bit integer ). 5 6 maxcount = 10 7 COUNT = 1 8 9 echo 10 echo "$

Redis command Detail and Usage Scenario Example--script (script)

EVAL script Numkeys key [key ...] arg [arg ...] Starting with the Redis 2.6.0 release, the LUA script can be evaluated using the EVAL command with the built-in LUA interpreter.The script parameter is a LUA 5.1 script that runs in the Redis server

asp.net random Number application example

Asp.net| Random | Application Examples Everyone may have used the Chinaren alumni, not long ago its guest book added a method to prevent irrigation, that is, each time the system produces a random number and letters of the picture, each message must

PowerShell script: Random password generator

Script Name: s random password generator _v2.63.ps1Script function: Generate random password. Each password character number, password number, save the location and so on can be customized.Script usage:The script is hard-coded, so you need to open

Shell case study on the three-generation random number seven ways

first, the questionit is sometimes necessary to use random numbers under the shell to summarize the method of generating random numbers. The computer produces only "pseudo-random numbers" and does not produce absolute random numbers (which is an

Shell instances seven methods of generating random numbers

First, the questionIt is sometimes necessary to use random numbers under the shell to summarize the method of generating random numbers. The computer produces only "pseudo-random numbers" and does not produce absolute random numbers (which is an

A safe example of mt_rand () random numbers in PHP

Many of the security breaches associated with Mt_rand () have been dug up in the previous period, largely as a result of the erroneous understanding of random number usage. Here again to mention the PHP website manual A pit, see About Mt_rand ()

In-depth understanding of the security of Mt_rand () random numbers in PHP

Mt_rand () Use the Mersennetwister algorithm to return random integers, this everyone knows, but the following this article mainly introduces to you about PHP Mt_rand () random number of security related data, the article introduced in very detailed,

In-depth understanding of the security of mt_rand () random numbers in PHP, and in-depth understanding of mt_rand

In-depth understanding of the security of mt_rand () random numbers in PHP, and in-depth understanding of mt_rand Preface Many security vulnerabilities related to mt_rand () have been dug up some time ago, which are basically caused by incorrect

Javascript: randomly generated string-based random animated number_javascript skills

This article will share with you the usage of js to randomly generate character strings in combination with letters and numbers, and js to randomly generate animated numbers, including commonly used random numbers, you can refer to the js random

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