大约有 40,000 项符合查询结果(耗时:0.0324秒) [XML]
What is Common Gateway Interface (CGI)?
...s the webserver how to pass data to and from an application. More specifically, it describes how request information is passed in environment variables (such as request type, remote IP address), how the request body is passed in via standard input, and how the response is passed out via standard ou...
How Drupal works? [closed]
...
Drupal can be confusing on this front, partially because it has a relatively deep function stack. Although it's procedural PHP it's purely event/listener driven in its architecture, and there's no simple "flow" in the main PHP script for you to look though. I recently ...
What is SQL injection? [duplicate]
...sult of queries, reading data or even changing data that they shouldn't be allowed to do.
Example in PHP:
$password = $_POST['password'];
$id = $_POST['id'];
$sql = "UPDATE Accounts SET PASSWORD = '$password' WHERE account_id = $id";
Now suppose the attacker sets the POST request parameters to "...
马无夜草不肥——聊聊程序员接私活的那些坑 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...,经常遇到是否能1000块开发出一个像淘宝那样的网站的问题,自身价值分分钟被贬低,差点被气得一口老血喷涌而出。
靠同学、朋友、同事介绍的渠道通常性价比要高,但有可以抱的大腿少哇。
二. 谈钱伤感情,不谈钱伤身...
Linux的诞生和发展 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的时候已经想到要实现与POSIX(UNIX 的国际标准)的兼容问题了。
Linux 操作系统的诞生
1981 年IBM 公司推出享誉全球的微型计算机IBM PC。在1981-1991 年间,MS-DOS 操作系统一直是微型计算机上操作系统的主宰。此时计算机...
无社交不商业,Uber将边缘化BAT - 资讯 - 清泛网 - 专注C/C++及内核技术
...司,居然打败了如此强大的出租车公司。
这说明了一个问题:就是连接比拥有更加重要。
连接是一种关系,而你拥有的只是物质,也就是说,现在的世界,关系比物质更重要。
讲到这里,我们还没有真正了解互联网...
Convert HTML + CSS to PDF [closed]
...ce. Significantly cheaper upfront costs, and usable without needing to install anything: docraptor.com
– Joel Meador
Jan 11 '11 at 8:31
6
...
Migration: Cannot add foreign key constraint
...signed();
$table->string('priority_name');
$table->smallInteger('rank');
$table->text('class');
$table->timestamps('timecreated');
});
Schema::table('priorities', function($table) {
$table->foreign('user_id')->references('id')->on('...
海量数据相似度计算之simhash短文本查找 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...升级、增加机器,但有些时候光是增加机器已经解决不了问题了,就算增加机器也不是短时间能够解决的,需要考虑分布式、客户预算、问题解决的容忍时间?头大时候要相信人类的智慧是无穷的,泡杯茶,听下轻音乐:)畅想...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...层传输之上提供完全相同的行为。
这种方法存在两个问题:
一,在特定的传输之上建立类TCP的封装实际上使得传输成为多余的了。如果这种方法的行为类似于TCP,那么为什么一开始就不用TCP呢?(性能特性排除在这个规...