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Hadoop serialization and Writable Interface (i) introduced the Hadoop serialization, the Hadoop writable interface and how to customize your own writable class, and in this article we continue to introduce the Hadoop writable class, 　　This time we are concerned about the length of bytes occupied after the writable instance was serialized, and the composition of the sequence of bytes after the writable instance was serialized. Why to consider the byte length of the writable class large data program ...

GPG (GnuPG) 1.4.2Copyright (C) Software Foundation, inc.this program comes with absolutely NO WARRANTY. This is free software, and your are welcome to redistribute itunder certain ...

Php tutorial Chinese characters match the regular expression Chinese characters match the regular expression: [u4e00-u9fa5] Commentary: Matching Chinese is really a headache, with this expression is easy to match the double-byte characters (including Chinese characters ): [^ X00-xff] Comment: Can be used to calculate the length of the string (a double-byte character length meter 2, ascii character meter 1) * / $ str = "singlepoint single point log"; if (preg_matc ...

Absrtact: Makerfair can be said to be a paradise, the rise of Silicon Valley in the United States, the first time this year in Shenzhen, held in China. However, to catch the Qingming long holiday, the report is not a lot, and there are many media attention to the forum session, the scene of the most fun products and create a guest Makerfair can be said to be a paradise, the rise of Silicon Valley in the United States this year, the first to enter Shenzhen, held in China. However, to catch the Qingming long holiday, the report is not a lot, and there are many media attention to the forum session, the scene of the most fun products and introduction not many, the author of this article Tony is extremely ...

Makerfair can be said to be a creation of paradise, the rise of Silicon Valley in the United States, the first time this year in Shenzhen, held in China. But to catch the Qingming long holiday, the report is not many, and there are a lot of media attention to the Forum session, the most fun of the scene of the product and the introduction is not much, the author of this article Tony is a geek editor, but also a geek enthusiast, from his vision, selected this year Makerfair on the fun of people and things, 　　 　　Worth seeing. The preface of the two-day Shenzhen Maker Faire has the most enthusiastic creators ...

AddSlashes: String added to the slash. bin2hex: binary into hexadecimal. Chop: Remove continuous blanks. Chr: returns the ordinal value of the character. chunk_split: The string is divided into small pieces. convert_cyr_string: Converts the ancient Slavonic string into another string. crypt: Encrypt the string with DES encoding. echo: output string. explode: cut the string. flush: clear the output buffer. ...