大约有 3,300 项符合查询结果（耗时：0.0175秒） [XML]
Changing the maximum length of a varchar column?
...le` CHANGE `property` `property`
VARCHAR(whatever_you_want) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL;
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Git 工具 - 子模块(submodule)：一个仓库包含另一个仓库 - 开源 & Github -...
...s
new file: DbConnector
首先应当注意到新的 .gitmodules 文件。 该配置文件保存了项目 URL 与已经拉取的本地目录之间的映射：
[submodule "DbConnector"]
path = DbConnector
url = https://github.com/chaconinc/DbConnector
如果有多个子...
A better similarity ranking algorithm for variable length strings
...s discussion has been really helpful, thanks. I converted the algorithm to VBA for use with Excel and wrote a few versions of a worksheet function, one for simple comparison of a pair of strings, the other for comparing one string to a
Android应用内存泄露分析、改善经验总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... }
}
}
}
IO操作后，没有关闭文件导致的内存泄露，比如Cursor、FileInputStream、FileOutputStream使用完后没有关闭，这种问题在Android Studio 2.0中能够通过静态代码分析检查出来，直接改善就可以了；
自...
App Inventor 2开发计步器与定位器 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
...，即获取其当前地址，由于显示位置有限，我们可以利用文本工具截取地址的前面一部分信息进行显示。
图10-7 传感器行为程序片段
【测试】
通过AI伴侣或者直接打包APK程序，点击“开始”按钮，晃动手机或实际不行测试，...
libevent对比libev的基准测试 - C/C++ - 清泛网 - 专注C/C++及内核技术
...它使用红黑树来组织计时器和其他类型的双向链表。每个文件描述符或信号最多可以有一个读取和一个写入观察者。它还提供了一个简单的 DNS 解析器和服务器以及 HTTP 服务器和客户端代码，以及一个套接字缓冲抽象。
Libev 概...
How do I match any character across multiple lines in a regular expression?
...\S] or the JS workarounds (demo): regex rex(R"(([\s\S]*)<FooBar>)");
vba vbscript - Use the same approach as in JavaScript, ([\s\S]*)<Foobar>. (NOTE: The MultiLine property of the
RegExp object is sometimes erroneously thought to be the option to allow . match across line breaks, while,...
INSERT with SELECT
...g in your SELECT, for example:
SELECT CAST('qwerty' AS CHAR CHARACTER SET utf8) COLLATE utf8_bin;
This conversion (CAST() is synonym of CONVERT() ) is very useful if your tables have different character sets on the same table column (which can potentially lead to data loss if not handled properly...
How can I output a UTF-8 CSV in PHP that Excel will read properly?
...
This solution also solved the UTF8 issue for me on Mac and Windows. I also found that adding a line with sep=; or sep=, to the CSV file tells Excel how the CSV is seperated and columns will be created correctly again.
– Luc Wollants
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VC/Linux C++ 递归访问目录下所有文件 - C/C++ - 清泛网 - 专注C/C++及内核技术
VC/Linux C++ 递归访问目录下所有文件VC函数，部分代码如下：find(char * lpPath){ char szFind[MAX_PATH]; WIN32_FIND_DATA FindFileData; strcpy(sz...VC函数，部分代码如下：
find(char * lpPath)
{
char szFind[MAX_PATH];
WIN32_FIND_DATA FindFileData;
...