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php delete all files and directories under directory

Oct 29, 2016 am 10:40 AM

php

java garbage collection

In Java, when an object does not have any references, it becomes garbage. If it is not recycled in time and the memory is released, the garbage will accumulate more and more, and eventually out of memory!, and the JVM will stop running.

Oct 29, 2016 am 10:06 AM

java

PHP array sort

PHP array sorting array reverse order

Oct 21, 2016 am 11:13 AM

php 数组

PHP string processing built-in functions

Oct 21, 2016 am 10:59 AM

php函数字符串

Check if there are external links in the string

Oct 21, 2016 am 10:30 AM

php

Generate random numbers and fill in zeros if necessary

Oct 21, 2016 am 10:29 AM

php

PHP method to obtain IP

PHP get IP method

Oct 21, 2016 am 10:28 AM

php

Non-reverse parameter md5 encryption method

Oct 21, 2016 am 10:23 AM

php md5

Hide some characters in a string by replacing them with *

Oct 21, 2016 am 10:15 AM

php

PHP detects whether the url address is included in Baidu

The following may be useful to SEO friends, or it may also be useful to manage articles edited and published by companies, so I would like to share it with you now.

Oct 21, 2016 am 10:11 AM

php

PHP program

Oct 21, 2016 am 09:58 AM

PHP

Java byte stream

Input in Java refers to reading from data sources to the Java program. The data source here can be files, memory or network connections, and output refers to writing from the Java program to the destination. Input and output streams can be divided into the following types (the File class is not considered for the time being)

Oct 20, 2016 pm 04:41 PM

java