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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 ...

Absrtact: The word ASCII art may be unfamiliar to young people online today. But when it comes to words and expressions, most people know it. づ￣3￣) づ@@facesymbol@@ This kind of textual expression actually belongs to the ASCII art, a kind of mainly relies on the computer character (the ASCII art--this word may be unfamiliar to the young people on the net now. But when it comes to words and expressions, most people know it. づ￣3￣) づ@@facesymbol@@ This kind of textual expression actually belongs to the ASCII art, a kind of mainly relies on the computer character (ASCI ...)

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 ...

&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Cnnic the updated Chinese domain name test system is the common wisdom of cooperation between the two sides of the four technical personnel. 　　Compatible, open, interoperable and conform to international technical standards are several important features of CNNIC domain Name System. 1) highly compatible, the global CNNIC domain Name System will also provide "Chinese domain name." ...

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 ...

Edfbrowser is a multi-platform EEG/EMG/ECG file viewing software that supports the format of EDF, edf+, BDF, bdf+. It includes a built-in edf/edf+/bdf/bdf+ to an ASCII converter. Edfbrowser is a free open source multi-platform browser. The following are some of the main features of Edfbrowser: 1, supported file formats: EDF, edf+, BDF, Nihon Kohden 2, Support mo ...

ASCII Armor ASCII encoding, encoding binary files with 7bits of display ASCII code, which can be passed in only 7bits-supported emails. The MIME BASE-64 encoding is used in PGP. ciphertext ciphertext; Encrypted later information, generally unrecognized. Cryptanalysis analysis of cryptography, from the point of view of cryptography to find a loophole and attack it, PGP in cryptography is still quite solid. Even Hack ...

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 ...)

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall before long with a few friends to explore how to do a large information site SEO. In fact, different project operation methods and strategies are not the same, concrete analysis of the specific situation. 　　SEO strategy is good or bad directly affect the different stages of the optimization effect. Share some of your SEO strategies here and how to do it. 　　In fact, this is also the old saying talked. One, the enemy 1. Identify your competitors and collect information on similar sites through various channels (daily traffic, Ale ...).

Today in the project encountered a textarea wrap problem, debugging for a long time have not been resolved. To textarea in the carriage return line into br into the database. Here is my solution to this problem, the final count is completely understood, it is almost capsize in capsize 1. Must know that the textarea in the newline is n (personal test found by the Enter key is n, as if under linux rn ) 2. Before using nl2br, carefully read the manual carefully, I was depressing, generally understood as the n into a ...