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A process is a running activity of a program with certain independent functions about a data set.The difference between a process and a program:1, the program is an ordered set of instructions, is a static concept, its ability does not have any meaning of operation. The process is a process in the process of processing

The difference between OLAP and OLTP and what is Data Warehouse OLAP is often referred to as a data warehouse. But the data warehouse is only part of OLAP, not all. OLTP multi-index than OLAP, and the real-time requirements of high, updated and modified many. OLAP generally seldom modifies and updates data, and so on,

I can't figure out a couple of relationships here! Also, in the middle of the PHP manual, there is a passage: 默认为将 PHP 编译为 CLI 和 CGI 程序。这将建立一个命令行解释器，可用于 CGI 处理或非 web 相关的 PHP 脚本。如果用户运行着一个 PHP 模块支持的 web 服务器，那通常为性能考虑应该使用模块方式。不过 CGI 版可以使 Apache 用户用不同的用户 ID 运行不同的 PHP 页面。 What is the division between this CLI and CGI? Does the CLI mean to run with the command line?

First, what is HTMLBefore you get to know HTML5, the first thing to say is the HTML language, although it's updated 5, but many places still retain the advantage of HTML.HTML is an abbreviation for the Hypertext Markup Language Hypertext Markup Language, an application under the standard Universal Markup Language, and

not this I do not know, just the majority of the default page, are index.html)7) Http://mail.163.com/index.html: This is called URL, Uniform Resource Locator, global address, used to locate resources on the Internet. Perhaps by this time, you still do not understand, this domain name and site name What is the difference?OK, small to tell you!For example, you b

1.0 prerequisites Objective: To have a conceptual understanding of what a memory-type database is .? Read the following five blog posts about the redis series. This ID will be added one after another. This ID redis Series 1. 0: first, this is your official redis Website: Http://www.redis.cn/ 1.1 you need to download, install, and configure redis successfully.

of multithreading development? Are there several ways to implement multithreading in iOS?There are multiple threads in a process that co-exist, each of which performs its own task, does not interfere with one another, and a thread can create or revoke other threads.Allow a process to perform many tasks at the same time. This reduces the wait time and improves the efficiency of the process. However, multithreading consumes resources and causes the entire process to die because one thread dies. M

What does $ stand for in JavaScript?For example, I write a mouseover event: $(document).ready(function(){ $("p").mouseover(function(){ $("p").css("background-color","#333"); }); }); $ is just an ordinary character, because of the wide application of jquery, $ is used as the identifier of jquery. The rel= "st

What is a project training course, and what is the difference between a professional course and what kind of person can learn the training course?

There are two basic ways to create a copy of a file.The first relatively simple method is called a periodic dump (or a full-volume dump, a periodic fallback). This approach is to transfer the contents of all the files in the memory to a certain medium, usually a tape or a disk, at a fixed time period.Advantages:The file system can re-assemble the files, placing all the blocks of the user scattered throughou

Otheractivity.java will pop up, specifically to understand what the activity declaration cycle is, how to run the end. As for the XML part is actually the design interface properties, whether it is the main interface or a button set of properties, the basic attributes include width, height, custom name, id attribute,

What is called a reverse link. What is a dead link. What is an error link. What is called a reverse link. Often hear everyone in the answer

What is 5G network slicing? What kind of cutting with a knife ?, What is 5 GB If a 4G network is used as a knife, it can be ground-blown or broken. 5G networks are a Swiss Army knife, which i