This section: How to sort big data with Shell and PHPBig data problems, such as having a 4G file, how to use a machine with only 1G of memory to calculate the number of occurrences in a file (assuming 1 lines is an array, such as a QQ number). If
Example, PHP gets the physical address of the NIC, which is the MAC address.
/**
Obtain the MAC address of the network card; currently supports Win/linux system
Get the physical (MAC) address of the machine
Example, the Chinese string intercepts the function code.
Example
/*
echo csubstr ("123 Chinese jbxue.com", 0,4);
echo csubstr ("123 Jbxue", 2,6);
*/
---Chinese string
Example, splitting a set of data into 6 sets of output algorithms. Code:
!--? php
$groupCount = 6;//number of groups
$userIdList = Array (1, 2, 3, 4, 5, 6, 7, 8, 9,10); /li>
A JS implementation code that shares two text box effects for automatic prompting.Example one, write the AJAX implementation directly. Client:
Ajax implementation of Automatic prompt text box _bbs.it-home.org
Implement a linkage menu, target: 1, click on "Anonymous group", Automatic Jump: member type "private Group", access control "group members" 2, click on "Public group", Automatic Jump: member type "real name group" such as: First, get click Radio
Verify the phone number's regular: (\d{3}-) (\d{8}) $| (\d{4}-) (\d{7}) $| (\d{4}-) (\d{8}) $(The phone number here is a modern number)Verify the regular mailbox:\w+ ([-+.] \w+) *@\w+ ([-.] \w+) *\.\w+ ([-.] \w+) *\w any case English letter 0-9
Example 1,js scaling for a picture.
The latest JavaScript automatically proportionally displays the picture, proportionally compresses the picture display-bbs.it-home.org
Guzzle is a PHP HTTP client and framework for building RESTful Web service clients.
All the power of CURL with a simple interface.
Persistent connections and parallel requests
Streams Request and response bodies
In programming languages, the number of daffodils is a number of n (>=3) digits, which equals the sum of the n power of each number. For example, 153 is a number of daffodils, 153=13+53+33. Write a program to solve the number of all daffodils less
The Mb_substr () function in PHP is used to intercept Chinese and English functions.Mb_substr () function is not supported by default in PHP, we need to find php.ini in Windows directory, search Mbstring.dll, find Extension=php_mbstring.dll, put the
Example, in the following program to solve the problem of Chinese garbled.
Data testing
$link = Mysqli_connect (' localhost ', ' root ', ' ', ' happy ');
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