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What's the difference between utf8_general_ci and utf8_unicode_ci?
..., utf8 is a flawed UTF-8 implementation from early MySQL versions which remains only for backward compatibility. The fixed version was given the name utf8mb4.
Note: Newer versions of MySQL have updated Unicode sorting rules, available under names such as utf8mb4_0900_ai_ci for equivalent rules based...
Algorithm to compare two images
...the copy may do stuff like rotating, making negative, or adding trivial details (as well as changing the dimension of the image).
...
How to convert number to words in java
..." ");
}
/**
* testing
* @param args
*/
public static void main(String[] args) {
System.out.println("*** " + EnglishNumberToWords.convert(0));
System.out.println("*** " + EnglishNumberToWords.convert(1));
System.out.println("*** " + EnglishNumberToWords.convert(16));
S...
Bomb dropping algorithm
...g layer 1, because the
"blast radius" you get from doing so is always contained within the blast radius of
another square from layer 2. You should be able to easily convince yourself of this.
So, we can reduce the problem to finding an optimal way to bomb away the perimeter, then we can repeat t...
Get MIME type from filename extension
...emoved, so you should be extra cautious and add double checks and provide fail safe action for every step.
MimeMapping._mappingDictionary.AddMapping(string fileExtension, string mimeType)
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构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...储方面，对于事务日志因是顺序写，闪存的优势比硬盘高不了多少，所以采取电池保护的写缓存的raid卡存储；对于数据文件，无论是对用户或者订单都会存在大量的随机读写操作，当然加大内存是一个方面，另外可以采用高速...
What is a correct mime type for docx, pptx etc?
...show.macroEnabled.12
.mdb application/vnd.ms-access
For further details check out this TechNet article and this blog post.
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地图组件（高德地图） · App Inventor 2 中文网
... 教育 入门必读 中文教程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索 地图组件（高德地图） ...
What are Aggregates and PODs and how/why are they special?
...icle is rather long. If you want to know about both aggregates and PODs (Plain Old Data) take time and read it. If you are interested just in aggregates, read only the first part. If you are interested only in PODs then you must first read the definition, implications, and examples of aggregates and...
LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...求解并分析结果。
§1 LINGO快速入门
当你在windows下开始运行LINGO系统时，会得到类似下面的一个窗口：
外层是主框架窗口，包含了所有菜单命令和工具条，其它所有的窗口将被包含在主窗口之下。在主窗口内的标题为LINGO ...