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What is the syntax rule for having trailing commas in tuple definitions?
In the case of a single element tuple, the trailing comma is required.
10 Answers
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Finding median of list in Python
How do you find the median of a list in Python? The list can be of any size and the numbers are not guaranteed to be in any particular order.
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What is the default initialization of an array in Java?
So I'm declaring and initializing an int array:
7 Answers
7
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kernel stack and user space stack
What's the difference between kernel stack and user stack? Why kernel stack is used? If a local variable is declared in an ISR, where it will be stored? Does each process has its own kernel stack? Then how the process coordinates between both these stacks?
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How to write a cron that will run a script every day at midnight?
I have heard crontab is a good choice, but how do I write the line and where do I put it on the server?
6 Answers
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How to check if a file exists in Go?
Go's standard library does not have a function solely intended to check if a file exists or not (like Python's os.path.exists ). What is the idiomatic way to do it?
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30条爆笑的程序员梗 PHP是最好的语言 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...家，一民警迎面巡逻而来。突然对我大喊：站住!
民警：int 类型占几个字节?
我：4 个。
民警：你可以走了。
我感到很诧异。
我：为什么问这样的问题?
民警：深夜还在街上走，寒酸苦逼的样子，不是小偷就是程序员。
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Boolean operators && and ||
According to the R language definition , the difference between & and && (correspondingly | and || ) is that the former is vectorized while the latter is not.
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Checking if a key exists in a JS object
I have the following JavaScript object:
7 Answers
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“FOUNDATION_EXPORT” vs “extern”
I would like to ask what's the reason behind using FOUNDATION_EXPORT instead of extern in Objective C projects.
1 Ans...