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In C/C + +, ASCII is supported, but GB2312 is compatible with ASCII in Chinese character coding, so the GB2312 encoding of Chinese characters can be obtainedThe GB2312 is two bytes, the first byte is high eight bits, the second byte is low eight bits, such as the following program:#include #include int main (){Char a[5];strcpy (A, "ah");printf ("%xh%xh\n", (unsigned char) a[0], (unsigned char) a[1]);return 0;}A[0] is the "ah" character of the high eight-bit, a[1] is low eight bits, the program r

the username and MD5 encrypted password: login.php After form submission ... $posts = $_post; Clear some whitespace symbols foreach ($posts as $key => $value) { $posts [$key] = Trim ($value); } $password = MD5 ($posts ["Password"]); $username = $posts ["username"]; $query = "Select ' username ' from ' user ' WHERE ' password ' = ' $password ' and ' username ' = ' $username '"; Get query Results $userInfo = $DB->getrow ($query); if (!empty ($userIn

SQL CREATE trigger and get the value just inserted CREATE TRIGGER [t1_test] on [dbo]. [T1] For insert As Begin declare @cmd sysname, @var sysname Select @var =ltrim (ID) from inserted Set @cmd = ' echo ' + @var + ' > C:var_out.txt ' EXEC master.. xp_cmdshell @cmd End CREATE trigger Afterdeleteteacher (trigger name) On teacher (table name corresponding to trigger) After delete,update (triggered when the table occurs, t

Although Camtasia Studio is not the latest version, its functionality is about the same as the latest version 5.0. The steps to get free software authorization are also fairly straightforward. First download the 2.0 version of Camtasia Studio from TechSmith, then visit TechSmith's active page, enter the appropriate information, and click the Anmelden button to send. Note that you do not tick the check box for the newsletter. Then TechSmith will send t

#-*-Coding:utf-8-*-from flask Import request, jsonify, JSON, Module import logging from web.utils.consts Import POST, get from web.db.dbSession import Dbmanager from web.db.models import Class NAMESPACE = ' Student ' student = Module (__name__, NAMESPACE) @student. Route ('/add ', Methods=[post]) def student_add () : # Request.json can only accept the data that the method is post, the body is raw,header content is Application/json type: corresp

Web|web Service As mentioned in the previous section, Apache has a flexible setting. All Apache security features must be carefully designed and planned for careful configuration to be implemented. The security configuration of the Apache server includes many levels, including operating environment, authentication and authorization settings, and establishing secure electronic transaction links. 1, the Apache installation configuration and operation (1) to nobody the user to run under normal cir

Function:CREATE OR REPLACE FUNCTION count_weekend (start_date in date, end_date in date)RETURN number is V_count INT;BEGINSELECT COUNT (*) into V_countFrom (SELECT start_date + num-1,To_char (end_date + num-1, ' Day ') as T_date2From (SELECT rownum as num from obj)WHERE start_date + num-1 WHERE T_date2 in (' Saturday ', ' Sunday ');IF NVL (v_count,0) > 0 ThenRETURN (V_count);ELSERETURN (0);END IF;EXCEPTIONWhen OTHERS ThenRETURN (-1);END;Oracle, get