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Get loop counter/index using for…of syntax in JavaScript
...tion (value, i) {
console.log('%d: %s', i, value);
});
// Outputs:
// 0: 123
// 1: 15
// 2: 187
// 3: 32
Or ES6’s Array.prototype.entries, which now has support across current browser versions:
for (const [i, value] of myArray.entries()) {
console.log('%d: %s', i, value);
}
For itera...
How to get next/previous record in MySQL?
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edited Jul 10 '12 at 10:53
Vimalnath
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Detecting Unsaved Changes
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edited Apr 6 '14 at 20:25
Dave Jarvis
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Calculate age given the birth date in the format YYYYMMDD
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40 Answers
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What is the difference between a generative and a discriminative algorithm?
...simple example. Suppose you have the following data in the form (x,y):
(1,0), (1,0), (2,0), (2, 1)
p(x,y) is
y=0 y=1
-----------
x=1 | 1/2 0
x=2 | 1/4 1/4
p(y|x) is
y=0 y=1
-----------
x=1 | 1 0
x=2 | 1/2 1/2
If you take a few minutes to stare at those two...
YouTube iframe API: how do I control an iframe player that's already in the HTML?
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+50
Fiddle Links: Source code - Preview - Small version
Update: This small function will only execute code in a single direction. If you w...
Create a unique number with javascript time
...econd, and three digit millisecond. So it would look something like this: 20111104103912732 ... this would give enough certainty of a unique number for my purposes.
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How do I pass the value (not the reference) of a JS variable to a function? [duplicate]
...the let or const keywords to create a block-scoped variable:
for (let i = 0; i < results.length; i++) {
let marker = results[i];
google.maps.event.addListener(marker, 'click', () => change_selection(i));
}
In older browsers, you need to create a separate scope that saves the variable ...
Count how many records are in a CSV Python?
...ters
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手机串口调试助手:USB OTG 收发文本与十六进制、定时发送(附 .aia 源码)...
...持 OTG 的安卓手机、OTG 转接头、USB 转 TTL 串口模块(CH340 / CP2102 / FT232 / PL2303 均可),或者直接接 Arduino 开发板的 USB 口。
打开串口:选波特率(与设备一致,Arduino 常用 9600 或 115200),点「打开串口」。第一次会弹出 USB 授...
