Given a linked list, return the node where the
cycle begins. If there is no cycle, returnnull.Follow up:Can you solve it
without using extra space?首先不...
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其他好文 时间:
2014-05-09 10:42:09
阅读次数:
329
CommandActionNotesvim file +54open file and go to
line 54any : command can be run using + on command linevim -O file1 file2open
file1 and file2 side b...
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其他好文 时间:
2014-05-09 10:15:18
阅读次数:
420
Twemproxy is a proxy server that allows you to reduce the number of open connections
to yourMemcached or Redis server.
What is Twemproxy useful for? It can
reduce the number of connections t...
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其他好文 时间:
2014-05-09 06:30:25
阅读次数:
258
The ? 1 ? 2 ? ... ? n = k problem
The problem
Given the following formula, one can set operators '+' or '-' instead of each '?', in order to obtain a given k
? 1 ? 2 ? ... ? n =...
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其他好文 时间:
2014-05-09 06:10:40
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285
【共享keychain数据】
当往keychain中插入数据时,默认的kSecAttrAccessGroup就是App自身的BundleID。【官方文档】 You can add a
keychain-access-groups entitlement to the application an.....
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其他好文 时间:
2014-05-08 23:21:42
阅读次数:
370
在一些文章和报道中经常提到安全漏洞CVE-1999-1046这种CVE开头的漏洞编号,这篇文章将常见的漏洞ID的表示方法做下介绍:
1、以CVE开头,如CVE-1999-1046这种
CVE 的英文全称是“Common Vulnerabilities & Exposures”公共漏洞和暴露。CVE就好像是一个字典表,为广泛认同的信息安全漏洞或者已经暴露出来的弱点给出一个公共的名...
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其他好文 时间:
2014-05-08 16:11:10
阅读次数:
309
这真是一个耗CPU的运算,怪不得现在因式分解和素数查找现在都用于加密运算。By listing the
first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime
is 13.What is the 1...
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其他好文 时间:
2014-05-08 11:54:49
阅读次数:
260
【Entitlements】 Entitlements confer specific
capabilities or security permissions to your iOS or OS X app. You can set many
entitlements using the Su.....
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其他好文 时间:
2014-05-08 10:21:55
阅读次数:
290
Pat1060代码
题目描述:
If a machine can save only 3 significant digits, the float numbers 12300 and 12358.9 are considered equal since they are both saved as 0.123*105 with simple chopping. Now given...
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其他好文 时间:
2014-05-08 02:07:49
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452
java.lang.Integer can not be cast to java.lang.Long...
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编程语言 时间:
2014-05-07 22:41:30
阅读次数:
329