1. Boxing, unpacking or aliases many of the introduction of C #. NET learning experience books on the introduction of the int-> Int32 is a boxing process, the reverse is the process of unpacking. This is true of many other variable types, such as short <-> int16,long <->int64. For the average programmer, it is not necessary to understand this process, because these boxes and unboxing actions can be automatically completed, do not need to write code to intervene. But we need to remember that ...
Use PHP to develop applications, especially web applications, often need to generate a random password, such as user registration to generate a random password, the user also need to reset the password to generate a random password. Random password is a string of fixed-length string, where I collected several ways to generate a random string for your reference. Method 1: 1, in 33 - 126 to generate a random integer, such as 35, 2, 35 will be converted to the corresponding ASCII characters, such as 35 corresponding to # 3, repeat the above 1, 2 steps n times, connected ...
Base64 is one of the most commonly used encodings, such as the development of passing parameters, the <img/> tags in modern browsers to render pictures directly through Base64 strings, and for messages and so on. The BASE64 encoding is defined in RFC2045, which is defined as: Base64 content transfer encoding is designed to describe the 8-bit byte of any sequence as a form that is not easily recognized directly by the person. We know that any data is stored in binary form on the computer. One byte is 8 bits, one character is stored in the computer ...
Cracked goal: To crack an encrypted ASP Trojan landing password. Because there is no version in the Trojan, specifically do not know what the name of this Trojan. Break the train of thought: Two kinds, use encrypt cipher to replace cipher text and use cipher text and encrypt algorithm to solve the password. The former is not really cracked. If you do not get the ASP source code, then can be said to crack the password, I have no chance of success. A Chinese friend said he got a web permission, but could not modify the home page, found that there is an ASP trojan, but the password is encrypted. Well, there's too much nonsense, so, make sure ...
"Crack Author" analog "Author mailbox" yuchaochina@hotmail.com "use tool" ollydbgv1.10,peidv0.93 "crack Platform" WinXP "software Name" Aescul.exe (crackme) "Add shell Way "No" crack statement "I am a little rookie, I have a little experience, would like to share:"-------------------------------------------------...
Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall recently in the study of JavaScript found some of the more supernatural things. It's a bit of a typeof. For example: alert (nan = = Nan);//The result is false. Alert (typeof nan!= nan ...)
1 Introduction e-mail plays an important role in people's work. According to statistics, the average Chinese per user receives 4.4 mails a week, sends 3.6 emails. But the primary protocol for e-mail, such as SMTP, is delivered in plaintext. This information may be obtained by a third party when it passes through an untrusted internet. In a modern society that attaches importance to information security, it clearly meets the requirements. How can this information be kept confidential without tampering or forgery? The PGP (Pretty-Privacy) described in this article is a kind of software, which is mainly used for electric ...
People often ask me if they really should believe in Oss. In other words, the worry is: is the OSS the angel that brings us a good life, or is it a demon that destroys our lives? As a matter of fact, this problem has been raised since the beginning of Linux and various BSD (Berkeley Software distribution) operating systems. In reality, any organization or enterprise is very cautious in planning to use a free software that is not from a reputable merchant. As a routine, generally ...
The design of the URL is a very complex problem, I can't say there is a "right" solution-it is similar to other aspects of the design, there are good URL design, there are bad URL design, in the case between the two different-it is subjective. This does not mean, however, that there is no best practice for creating very good URLs. I hope I've learned some URL design best practices over the years to impress you, and I'll explain why I think using the new HTML5 JavaScript's his ...
Intermediary transaction SEO diagnosis Taobao guest Cloud host Technology Hall operation is the key to the continuous growth of the site, only the content of the site for detailed and unique planning and implementation, coupled with the essential operations, the site can be in an invincible position in the competition. First, to quickly enrich the content of the new Web site second, to avoid copying the practical content of the Anti-Theft law three, Content integration production site Map Four, the forum moving software quickly transfer data five, to prevent the content of the site to be plagiarized six, to the domain name limit to say no more details can be "...
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