ascii values

Reprint: http://www.cnblogs.com/pchmonster/archive/2011/12/16/2290034.htmlLearn together with this blog: http://www.cnblogs.com/xumenger/p/4427957.htmlIn practical programming, these operations are often used. At first you don't have to worry about

The sprintf () function writes formatted strings to a variable. The code is as follows: // Sprintf () function. the returned value is a formatted string.String sprintf (string $ format [, mixed $ args [, mixed $...])$ Y = 11;$ M = 3;$ D = 9;$

ASCIIIn a computer, all data is stored and computed using binary numbers (because the computer represents 1 and 0, respectively, with high and low levels), for example, 52 letters (including uppercase) such as a, B, C, D, and 0, 1, and other

1. Text characters: Use the ASCII standard to denote "each character is represented by an integer value of a unique single-byte size"Most computer systems use the ASCII standard to represent text characters, such as the HELLO.C program in the system

1.2 file input and output function keyboard, monitor, printer, disk drive and other logical devices, the input and output can be through the file management method to complete. And the most used in programming to be considered disk files, so this

Http://www.cnblogs.com/xrq730/p/4931173.htmlUseraddAdd a new user account, only the root account can be operated-D Directory: Specify the home directory (default in Home), if this directory does not exist, you can use-m to create the main

ldapsearch Parameter TableThe following table can be used to describe the description of Ldapsearch write and lowercase references. Number of references Use -? Print help on using Ldapsearch. -A

Read erlang.org above Erlang course four-day tutorial1. Number type, two points to note1) B#val represents the number Val stored in B-binary, such as7> 2#101.5101 of binary storage is 10 binary 5.2) $Char The ASCII encoding that represents char, for

ldapsearch Parameter TableThe following table can be used to describe the description of Ldapsearch write and lowercase references. Number of references Use -? Print help on using Ldapsearch. -A

MySQL tips 6-MySQL language structure-function bitsCN.com 1. mathematical functions are used to perform complex arithmetic operations. MySQL supports many mathematical functions. If an error occurs, all mathematical functions return NULL. (1)

PHP learning series (1) -- string processing functions (3), php functions. PHP learning series (1) -- String Processing function (3), php function 11, crc32 () function to calculate the crc32 polynomial of a string. 32-bit cyclic redundancy

Phpprintf () outputs the formatted string-small_123 php printf () function used to output the formatted string. This article introduces the usage and basic usage examples of the php printf () function to the coders, for more information,

Php echo, print, print_r, printf, sprintf, var_dump usage introduction. This article introduces echo, print, print_r, printf, sprintf, and var_dump. For more information, see. I. definition and usage of echo: The PHPecho () function outputs one or

PHPsprintf () function usage. We know that the sprintf () function writes formatted strings into a variable, and we often see this type of code. next I will introduce how to use the sprintf () function, if you have any need, we know that the sprintf

Sprintf definition and usage. the sprintf () function is used to write formatted strings into a variable. Syntax sprintf(format,arg1,arg2,arg++) Parameters Description Format Required. Conversion format. Arg1

Copy CodeThe code is as follows: sprintf () function, return value to formatted stringString sprintf (String $format [, Mixed $args [, mixed $ ...])$y = 11;$m = 3;$d = 9;$date = Sprinf ('%04d-%02d-%02d ', $y, $m, $d);Echo $date; 0011-0printf ()

The php string and Chinese character splitting method are directly separated using the php function "str_split". garbled characters may occur because the Chinese character length is different from the English character length, however, we can create

PHP Development notes series (9)-array (3 )??? I wrote two articles about the daily use of Php arrays. this article "PHP Development notes series (9)-array (3)" focuses on the size and sorting of arrays .??? 1. get the array length ??? The count ()

This article mainly introduces how to use Psyco to speed up Python running. if you need it, you can refer to Psyco to strictly perform operations during Python running. That is to say, the Python source code is compiled into bytecode through the

This article mainly introduces the sprintf function usage in PHP, and analyzes the common usage of sprintf function formatting and output in the form of instances in detail, which has some reference value, for more information about sprintf