文/Robin
从 ethgasstation.info 得知,有一个项目 Forsage SmartWay 常年位居 Gas 消费排行榜前列。
Forsage SmartWay 是个什么样的项目呢?先说结论,诈骗项目。在 ETH Gas Station 被标记「Scam Reported」,在其 合约 页面有如下标记:「There are reports from the Philippines SEC that this address is associated with a Ponzi. Please exercise caution when interacting with this address」。
但继续阅读 »
题目
It is said that Vigenere cipher does not achieve the perfect secrecy actually :-)
Tips:
1.The encode pragram is given;
2.Do u no index of coincidence ?
3.The key is last 6 words of the plain text(with "nctf{}" when submitted, also without any interpunction)
encode.cpp code.txt
什么是异或
异或(exclusive or)是二元继续阅读 »
今天突然想用markdown写博文,这样应该会方便不少。
开工
1.下载插件。
这里我选择了Markdown QuickTags
在官网看到
!This plugin hasn't been updated in over 2 years. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.
有点被惊呆
2.启用插件
下载完该插件之后,放入WordPress的plugins文件夹下,上传代码,然后再后台启用即继续阅读 »
rlist 0.3 is released! This package now provides a wide range of functions for dealing with list objects. It can be especially useful when they are used to store non-tabular data.继续阅读 »
QNAN wiki上是这样说的:
A QNaN is a NaN with the most significant fraction bit set. QNaN’s propagate freely through most arithmetic operations. These values pop out of an operation when the result is not mathematically defined. (details)[http://en.wikipedia.org/wiki/NaN]
我尝试过sqrt(-1), 1/0, NAN/NAN都不行
结果:继续阅读 »