打开题,没思路,抓包吧。 cookie里边有一个source=0,改为1,得到源码。 $flag = "XXXXXXXXXXXXXXXXXXXXXXX";$secret = "XXXXXXXXXXXXXXX"; // This secret is 15 characters long for sec ...
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其他好文 时间:
2018-11-04 00:40:18
阅读次数:
366
Evaluate the value of an arithmetic expression in Reverse Polish Notation. Valid operators are +, -, *, /. Each operand may be an integer or another e ...
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其他好文 时间:
2018-11-03 17:33:09
阅读次数:
154
Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.An input string is valid if:Open... ...
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其他好文 时间:
2018-11-03 14:07:47
阅读次数:
145
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. Note: For the purpose of this problem, w ...
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其他好文 时间:
2018-11-03 14:02:25
阅读次数:
173
mysql 8.0.13默认有一个data文件夹,这个文件夹得删了,不然安装服务时候会有日志文件提示报错: Failed to find valid data directory. Data Dictionary initialization failed. 还有,要在mysql文件夹里新建个my. ...
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数据库 时间:
2018-11-02 14:27:51
阅读次数:
199
public class Solution { public int lengthOfLongestSubstring(String s) { int n = s.length(); Set set = new HashSet(); int ans = 0, i = 0, j = 0; while ...
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其他好文 时间:
2018-11-02 00:13:24
阅读次数:
104
今天出现了一个错误:D:\>python3re.pyInputaemailaddr:someone@gmail.comTraceback(mostrecentcalllast):File"re.py",line1,in<module>importreFile"D:\re.py",line12,in<module>print(is_valid_email(addr))F
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编程语言 时间:
2018-10-31 15:43:43
阅读次数:
190
https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters/discuss/87739/Java-Strict-O(N)-Two-Pointer-Solution window分别为1-26 ...
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其他好文 时间:
2018-10-31 12:28:58
阅读次数:
143
Given a string and a string dictionary, find the longest string in the dictionary that can be formed by deleting some characters of the given string. ...
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其他好文 时间:
2018-10-30 23:53:03
阅读次数:
208
windows系统需要开启Print Spooler才能进行打印,如果不开启,可能造成很多现象和原因,比如windows打印机队列的打印机全部消失,用Lodop打印的时候提示"Printer selected is not valid",或类似 请在操作系统安装打印机并开启打印服务 的提示。例如,图 ...
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其他好文 时间:
2018-10-30 17:45:43
阅读次数:
206