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程序员之网络安全系列（二）：如何安全保存用户密码及哈希算法 - 更多技术 ...
...多就999次不就打开了？那么问题来了，你的密码箱还安全吗？
彩虹表
除了穷举法外，由于之前的密码泄露，那么攻击者们，手上都有大量的彩虹表，比如”I love you”,生日等等，这个表保存了这些原值以及MD5后的值，那么使用...
Python's “in” set operator
...(a) == hash(b); a is b; a in set([b]) instead.
– Philipp
Jan 2 '12 at 21:35
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Quora如何在快速开发中保持高品质代码 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...并非最佳抉择。
维护代码质量的成本可被缩减——通过自动化技术、使用更好的工具和程序、提高开发者素质，往往能降低因维护高质量代码而产生的间接成本。
注重代码库编码一致性——虽就局部而言，有的代码还可以更...
Why doesn't requests.get() return? What is the default timeout that requests.get() uses?
In my script, requests.get never returns:
6 Answers
6
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XMLHttpRequest cannot load file. Cross origin requests are only supported for HTTP
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If you are doing something like writing HTML and Javascript in a code editor on your personal computer, and testing the output in your browser, you will probably get error messages about Cross Origin Requests. Your browser will render HTML and run Javascript, jQuery, angularJs in...
Download the Android SDK components for offline install
...tory/repository-7.xml
Search for <sdk:url>**android-2.3.1_r02-linux.zip**</sdk:url> under the api version which you want to download. This is the file name which you have to download. to download this file you have to type following URI in any downloader or browser and it will start dow...
How do you validate a URL with a regular expression in Python?
... = 1*[ lowalpha | digit | "+" | "-" | "." ]
schemepart = *xchar | ip-schemepart
; URL schemeparts for ip based protocols:
ip-schemepart = "//" login [ "/" urlpath ]
login = [ user [ ":" password ] "@" ] hostport
hostport = host [ ":" port ]
host = hostname | ho...
How do you specify a different port number in SQL Management Studio?
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127.0.0.1,6283
Add a comma between the ip and port
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How to change proxy settings in Android (especially in Chrome) [closed]
... to set proxy settings in Android (especially in Chrome)? I have to change IP on Android during the testing. Or there is some soft which can help me to solve this issue...
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ORACLE 启动提示 内存不足 OUTOF MEMORY - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...el.shmmni = 4096
kernel.sem = 250 32000 100 128
fs.file-max = 65536
net.ipv4.ip_local_port_range = 1024 65000
net.core.rmem_default=262144
net.core.rmem_max=262144
net.core.wmem_default=262144
net.core.wmem_max=262144
在ORACEL 用户下
输入 su - root
敲入密码
输入 gedi...