The main purpose of this article is to introduce a set of Chinese Postscript fonts released under GPL, which can be fully operated under Ghostscript, and its use is as easy as that of General English fonts. The usage is the same. Thanks to the
First let's look at a problem: the output of the following code,
Copy CodeThe code is as follows:
Var_dump (Memory_get_usage ());
$a = "laruence";
Var_dump (Memory_get_usage ());
unset ($a);
Var_dump (Memory_get_usage ());
The output (on my PC, may
1. Basic Concepts
1.1 Address
(1) Logical address: the part of the offset address that is generated by the program in relation to the segment. In the C language pointer, read the value of the pointer variable itself (& operation), which is actually
Mar 11 in-depth understanding of PHP memory management who moved my memory
Author: laruence ()
This address: http://www.laruence.com/2011/03/04/1894.html
Reprint please indicate the source
First let's look at a problem: the
Reprinted from Http://www.cnblogs.com/sunyubo/archive/2010/05/05/2282170.htmlNot yet used, recorded, recorded, recordedValgrind's main author, Julian Seward, has just won the ──best Tool Maker, one of the Google-o ' Reilly Open Source Awards this
$m1 = memory_get_usage();var_dump($m1);$arr = array_fill(0, 100000, 'phpinfo');unset($arr);$m2 = memory_get_usage();var_dump($m2);var_dump("消耗内存:".($m2-$m1)/1000);
The output is: string (21) "Consumes Memory: 64.688";
I am puzzled that I have used
Linux memory error causes and debugging methods-general Linux technology-Linux programming and kernel information. The following is a detailed description. A block error occurs when you access the wrong memory segment. Generally, you do not have the
Reference:http://www.cnblogs.com/sunyubo/archive/2010/05/05/2282170.htmlAlmost copied from the reference, but the back of their own debugging code.Here are some simple uses of Valgrind. more detailed ways to access Valgrind's home page:
A segment error occurs when you access the wrong memory segment. Generally, you do not have the permission or the corresponding physical memory exists, especially when you access the 0 address.
Generally, a segment error means that the accessed
PHP Function Index 967 functions
A total of 967 functions
Abs: Get absolute value.
Acos: Gets the inverse cosine value.
Ada_afetch: Gets the return column of the database.
Ada_autocommit: Switch automatic change function.
Ada_close: Close Adabas D
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