IP address acquisition and conversion, IP address acquisition and conversionIP address acquisition and conversion
1. Preface
Converting an IP address to an integer storage is a major trend in database optimization. String indexes consume a lot of
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The IP address (the InternetProtocoladdress, known as the Internet Protocol addresses), is a way of addressing the host on the Internet.
The Type IP//IP represents a
This article describes how to convert IP addresses and integer numbers in PHP. This article introduces the use of ip2long and long2ip functions in PHP and their bugs, finally, two algorithms are provided by myself. if you need them, you can refer to
This article describes how to convert IP addresses and integer numbers in PHP. This article introduces the use of ip2long and long2ip functions in PHP and their bugs, finally, two algorithms are provided by myself. if you need them, you can refer to
IP conversion to integer storage is a major trend in database optimization, many people are currently storing IP in the use of string type storage, the string index than the integer index consumes a lot of resources, especially when the data in the
IP conversion into integer storage is a major trend of database optimization, many people are still using the storage of IP string type storage, the string index than the whole index consumes a lot of resources, especially in the table of large
This article mainly introduces the IP address and integer number in PHP, the use of PHP function Ip2long and Long2ip, as well as their bug introduction, finally give their own written two algorithms, the need for friends can refer to the nextIP
# #curl命令The Curl command is a powerful network tool that can download files via HTTP, FTP, and so on, and can also upload files.# # # #1. Download a single file and print the output to standard output (STDOUT) by default```Curl http://www.baidu.com`
Command: CurlIn Linux, Curl is a file transfer tool that works under the command line using URL rules, which can be said to be a powerful HTTP command-line tool. It supports file upload and download, is a comprehensive transfer tool, but by
Common commands for Web development, field deployment, or problem tracking:One, GET requestCurl "http://www.baidu.com" if the URL here points to a file or a picture can be downloaded directly to the localCurl-i "http://www.baidu.com" Show All
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