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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...
App Inventor 2 低功耗蓝牙 BlueToothLE 拓展 · 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
App Inventor 2 低功耗蓝牙 BlueToothLE ...
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).
...
Why is the order in dictionaries and sets arbitrary?
...anted an ordered set, you can install the oset package; it works on Python 2.5 and up.
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Peak signal detection in realtime timeseries data
...,1.2,1,1.5,1,3,2,5,3,2,1,1,1,0.9,1,1,3,
2.6,4,3,3.2,2,1,1,0.8,4,4,2,2.5,1,1,1])
# Settings: lag = 30, threshold = 5, influence = 0
lag = 30
threshold = 5
influence = 0
# Run algo with settings from above
result = thresholding_algo(y, lag=lag, threshold=threshold, influence=influence)
# Plo...
深入理解 x86/x64 的中断体系 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...se 到 IDTR.base + IDTR.limit（含）之外，将会产生 #GP 异常。
2.5 请求访问 interrupt handler 时的权限检查
访问权限的检查是 x86/x64 体系中保护措施中非常重要的一环，它控制着访问者是否有权限进行访问，在访问 interrupt handler 过程权...
Should I use px or rem value units in my CSS? [closed]
... <div> - 10px
<div> - 5px
<div> - 2.5px
<div> - 1.25px
The CSS3 rem, which is always relative only to the root html element, is now supported on 96% of all browsers in use.
The Opinion
I think everyone agrees that it's good to design...
Uber5岁了，一次性告诉你它的商业之道 - 资讯 - 清泛网 - 专注C/C++及内核技术
...步”。
以广州为例。广州出租车起步价10元，起价里程2.5公里，续租价每公里2.6元。同样的里程，使用人民优步比出租车便宜两成左右。
与专车竞争对手相比，Uber也有其优势。一位不愿透露姓名的专车司机向《中国新闻周刊...
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...