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Difference between parameter and argument [duplicate]
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Argument is often used in the sense of actual argument vs. formal parameter.
The formal param...
get an element's id
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297
Yes you can just use the .id property of the dom element, for example:
myDOMElement.id
Or, ...
Is there a math nCr function in python? [duplicate]
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2 Answers
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How to convert list to string [duplicate]
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By using ''.join
list1 = ['1', '2', '3']
str1 = ''.join(list1)
Or if the list is of integers, convert the elements before joining them.
list1 = [1, 2, 3]
str1 = ''.join(str(e) for e in list1)
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Too much data with var_dump in symfony2 doctrine2
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Replace var_dump() with the debug method dump() provided by Doctrine Common.
\Doctrine\Common...
App Inventor 2 怎么获取文件夹下所有文件名？ - App Inventor 2 中文网 - ...
转会员提问：怎么获取文件夹下所有文件名？
原生组件没有这个功能，需要使用FileTools拓展，链接直达：https://www.fun123.cn/reference/components/storage.html#FileTools
[hide]使用FilesList方法：
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Check if two linked lists merge. If so, where?
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26 Answers
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C# 4.0: Can I use a TimeSpan as an optional parameter with a default value?
...meSpan? span = null) {
if (span == null) { span = TimeSpan.FromSeconds(2); }
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}
I should elaborate - the reason those expressions in your example are not compile-time constants is because at compile time, the compiler can't simply execute TimeSpan.FromSeconds(2.0) and stick the bytes o...
In Python, what is the difference between “.append()” and “+= []”?
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12 Answers
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