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will be reversed, then you can move the cursor toSet the range, then directly under the command to edit.For the whole column operation, VI also provides more convenient editing instructions. The previous mention of deleting the entire column of text refers to theDD is one of them, CC can modify the whole column of text, while YY is to copy the whole column of text, instruction D can beTo delete the cursor until the end of the column.File InstructionsFile instructions to: Beginning, with the edi

Php-redis help manual _ set related _ sAdd_sRem_sRemove_sMove_s .... Set data type-related operations in Redis, we can view the Set type as a character set without sorting, the same as the List type, you can also add or set data types on the data values of this type. In Redis, we can view the Set type as a character Set combination without sorting, which is the same as the List type, you can also add, dele

Emlog Basic template file must file: Main.css:CSS (style sheet) file log_list.php: Log List page template echo_log.php: Log page Template page.php: page template footer.php: Footer Template Header.php:Header template t.php: Broken language template module.php: include widgets, comments, references, edits, and other optional files: side.php: Sidebar template basic condition Judgment tag$curpage: Current page representation , commonly used to determine the tag as follows: $curpage = = Curpage_home

This article mainly introduces the common function guide and examples of phpExcel help manual. For more information, see PHPExcel basic operations: Define an EXCEL Object Define a php excel Object and set the content displayed in the EXCEL Object // Start with Excel // prepare the EXCEL files. // Error reporting error_reporting (0); // PHPExcel require_once dirname (_ FILE __). 'phpexcel. php '; // genera

, otherwise the Chinese characters will be output blank, as follows:$str = Iconv (' gb2312 ', ' utf-8 ', $str);Or you can write a function that specifically handles Chinese strings:function ConvertUTF8 ($STR){if (empty ($STR)) return ';Return Iconv (' gb2312 ', ' utf-8 ', $str);}Output data processing from the databaseRead data from a database such as:$db = new Mysql ($dbconfig);$sql = "SELECT * from table name";$row = $db->getall ($sql); $row as a two-dimensional array$count = count ($row);for