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最常用的截取函数有left,right,substring
最常用的截取函数有left,right,substring1.LEFT ( character_expression , integer_expression )返回从字符串左边开始指定个数的字符举例说明:left(“字段名”,截取几位字符串)下面的示例使用 LEFT 函数返回字符串 abcdefg...
分类:其他好文   时间:2014-11-07 12:37:34    阅读次数:139
PHP知识记录
PHP知识记录...
分类:Web程序   时间:2014-11-07 11:16:35    阅读次数:162
delphi 单引号在字符串中使用方法
可以看delph的帮助,里面有这个问题详细说明:A character string, also called a string literal or string constant, consists of a quoted string, a control string, or a combi...
分类:Windows程序   时间:2014-11-07 09:50:58    阅读次数:196
php连接数据库时候的字符集设置
最好的办法:设置mysql服务器的字符集,当然也可以通过mysql提供的api来设置运行时的字符集Ideally a proper character set will be set at the server level, and doing this is described within th...
分类:数据库   时间:2014-11-06 17:15:55    阅读次数:278
浅谈OCR之Tesseract
光学字符识别(OCR,Optical Character Recognition)是指对文本资料进行扫描,然后对图像文件进行分析处理,获取文字及版面信息的过程。OCR技术非常专业,一般多是印刷、打印行业的从业人员使用,可以快速的将纸质资料转换为电子资料。关于中文OCR,目前国内水平较高的有清华文通、...
分类:其他好文   时间:2014-11-06 16:45:50    阅读次数:307
水晶报表表的别名中含有特殊字符的处理
In Crystal Reports, the following error message is displayed when an invalid character is used in the databasetable alias name: Query Engine Error: “T...
分类:其他好文   时间:2014-11-06 16:28:36    阅读次数:355
Fix Some bytes have been replaced with the Unicode substitution character while loading file XXX.cs
When we use visual studio open source file or any other file, we may encounter below problem:   File Load Some bytes have been replaced with the Unicode substitution character whil...
分类:其他好文   时间:2014-11-06 14:56:45    阅读次数:205
Fix Some bytes have been replaced with the Unicode substitution character while loading file XXX.cs with Chinese Simplified (GB2312) encoding
When we use visual studio open source file or any other file, we may encounter below problem:File LoadSome bytes have been replaced with the Unicode s...
分类:其他好文   时间:2014-11-06 14:24:55    阅读次数:169
VC2005 warning C4819 消除方法
一、Warning C4819:The file contains a character that can ot be represented in the current code page(936). save the file in unicode format to prevent dat...
分类:其他好文   时间:2014-11-05 12:57:38    阅读次数:221
vs 问题总结
1. wchar,char的问题 工程-属性-general-character Set 改成Use Multi-Byte Character Set2. 删除sdf ipcha. Tools->Options->Text Editor->C/C++->Advanced,在 Fallback Loc...
分类:其他好文   时间:2014-11-05 12:25:20    阅读次数:137
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