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1, what ' s v2ex?On this issue, we can look at the introduction of its author livid's early own V2ex community: What ' s V2ex? This is a question many people have asked, and I have never made a definitive answer. Because I really think

On SendSafely.com we make heavy use of latest new JavaScript APIs introduced with HTML5. We encrypt files, calculate checksums and upload data using pure JavaScript. moving logic like this down to the browser, however, makes the threat of Cross-Site

A joke about verification code What is a verification code "Verification Code" (CAPTCHA) in fact, not everyone is always seen on different websites of the illegible letter combination pronoun, but "fully automatic distinction between computer and

Note: This article is transferred from:CoolShell.cn Link: http://coolshell.cn/articles/7917.html   Remember the previous article "Super verification code"? In fact, there are many abnormal verification codes in this world. The following is a list of

Remember the previous article "Super verification code"? In fact, there are many abnormal verification codes in this world. The following is a list of strange verification codes. However, this article is not just about collecting the verification

0x01 verifies that CDN  Method 1 is present: Very simple, using a variety of multi-ping services, to see if the corresponding IP address is unique, if not the only most of the use of CDN, the multi-ping site