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Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
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Numbers
[...Array(5).keys()];
=> [0, 1, 2, 3, 4]
Character iteration
String.fromCharCode(...[...Array('D'.charCodeAt(0) - 'A'.charCodeAt(0) + 1).keys()].map(i => i + 'A'.charCodeAt(0)));
=> "ABCD"
Iteration
for (const x of Array(5).keys()) {
console.log(x,...
How do I do string replace in JavaScript to convert ‘9.61’ to ‘9:61’?
... Cœur
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answered Jan 27 '10 at 10:19
ReigelReigel
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BLE协议—广播和扫描 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...信道上传输，即除37/38/39之外的其余37信道（BLE总共占用40个信道）。每建立一次连接，重新生成一次Access address。数据包是给连接通信使用的，即用于master和slave之间通信的。广播类型目前BLE广播报文有7种类型，其中关于连接的...
How to use sed to replace only the first occurrence in a file?
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144
# sed script to change "foo" to "bar" only on the first occurrence
1{x;s/^/first/;x;}
1,/foo...
Does Eclipse have line-wrap
...elect the Line Wrapping tab. I like a line width of 120 and indent size of 4.
Indentation is set separately, in Preferences->Java->Code Style- >Formatter, then click on the Edit button and select the Indentation tab. I like an indent size of 4, consistent with the Line Wrapping indent se...
remove objects from array by object property
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Ry-♦Ry-
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add ...
Generate random string/characters in JavaScript
...haracters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
var charactersLength = characters.length;
for ( var i = 0; i < length; i++ ) {
result += characters.charAt(Math.floor(Math.random() * charactersLength));
}
return result;
}
console.log(m...
How can I click a button behind a transparent UIView?
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edited Sep 4 '18 at 17:40
answered Oct 24 '10 at 22:30
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“No such file or directory” error when executing a binary
I was installing a binary Linux application on Ubuntu 9.10 x86_64. The app shipped with an old version of gzip (1.2.4), that was compiled for a much older kernel:
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Can a CSV file have a comment?
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skaffmanskaffman
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