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Return multiple values in JavaScript?
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1380
No, but you could return an array containing your values:
function getValues() {
return [...
Generating a SHA-256 hash from the Linux command line
I know the string "foobar" generates the SHA-256 hash c3ab8ff13720e8ad9047dd39466b3c8974e592c2fa383d4a3960714caef0c4f2 using
http://hash.online-convert.com/sha256-generator
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Which selector do I need to select an option by its text?
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324
This could help:
$('#test').find('option[text="B"]').val();
Demo fiddle
This would give yo...
App Inventor 2 蓝牙发送十六进制字节方案：文本转Hex字节详解 - App应用开...
...发送 0xAB 0xCD 两个字节，而不是四个ASCII字符（0x41 0x42 0x43 0x44）。
每两个字符代表一个十六进制字节，需要将字符对解析为实际的字节值。
问题本质输入期望发送实际发送（当前问题）"ABCD"[0xAB, 0xCD]（2字节）[0x41, 0x42, ...
How can I truncate a double to only two decimal places in Java?
For example I have the variable 3.545555555, which I would want to truncate to just 3.54.
15 Answers
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Make $JAVA_HOME easily changable in Ubuntu [closed]
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edited Mar 3 '18 at 0:19
answered May 13 '11 at 15:15
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Using Version Control for Home Development?
...pletely.
Credits also to http://blogs.embarcadero.com/nickhodges/2010/04/23/39416:
Sometimes we do stupid mistakes. Having a source control safety net is a must.
Tag important milestones. Even in home development you may want to mark a set of files and revisions as being a specific software versi...
How to parse Excel (XLS) file in Javascript/HTML5
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LazioTibijczyk
76433 silver badges2121 bronze badges
answered May 7 '16 at 1:46
PeruPeru
1,27111...
How to sort an ArrayList?
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538
Collections.sort(testList);
Collections.reverse(testList);
That will do what you want. Rememb...
Running Bash commands in Python
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328
Don't use os.system. It has been deprecated in favor of subprocess. From the docs: "This modul...