麻省理工学院:开发出能自动组装“方块机器人”!

视频: M-Blocks Modular Robots youtube.com/watch?v=mOqjFa4RskA These proof-of-concept robots are the first step in a project that will hopefully lead to the development of modular robot blocks that are cable of generic lattice-based self-reconfiguration. This current generation of robots is limited to being able to "roll" in only one direction per cube. Future work will hopefully add the ability for a single robot to move in all three planes.

php4fun.sinaapp.com PHP挑战通关攻略

challenge 1 php code: #GOAL: get password from admin; error_reporting(0); require 'db.inc.php'; function clean($str){ if(get_magic_quotes_gpc()){ $str=stripslashes($str); } return htmlentities($str, ENT_QUOTES); } $username = @clean((string)$_GET['username']); $password = @clean((string)$_GET['password']); $query='SELECT * FROM users WHERE name=\''.$username.'\' AND pass=\''.$password.'\';'; $result=mysql_query($query); if(!$result || mysql_num_rows($result) < 1){ die('Invalid password!'); } $row = mysql_fetch_assoc($result); echo "Hello ".$row['name']."</br>"; echo "Your password is:".$row['pass']."</br>"; 攻略: 在单引号内的mys

Reverse Engineering a D-Link Backdoor

All right. It’s Saturday night, I have no date, a two-liter bottle of Shasta and my all-Rush mix-tape…let’s hack. On a whim I downloaded firmware v1.13 for the DIR-100 revA. Binwalk quickly found and extracted a SquashFS file system, and soon I had the firmware’s

站争(代号1937)引子

人类平均寿命为60年,有一半人用了30年睡觉,也就剩下30年,而在这30年中,16岁成年,也就意味着只有14年是真正的活着 这14年中从懵懂到

讨论下快捷支付存在的风险

讨论下快捷支付存在的风险 jeary (?????????????????????????) | 2013-10-12 09:51 由于没有网银,所以用的快捷支付,是挺方便的。可是当我仔细想想开通的流程,然后惊呆了,寝食难安了。 绑定条件 1