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What does 'predicate' mean in the context of computer science? [duplicate]
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It is a term most commonly used in the field of Mathematical Logic.
From wikipedia
In mathematics, a predicate is either a relation or the boolean-valued function that amounts to the characteristic function or the indicator function of such a relation.
A function P: X→ {true, false} is cal...
Is it possible to specify a different ssh port when using rsync?
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Another option, in the host you run rsync from, set the port in the ssh config file, ie:
cat ~/.ssh/config
Host host
Port 2222
Then rsync over ssh will talk to port 2222:
rsync -rvz --progress --remove-sent-files ./dir user@host:/path
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Get The Current Domain Name With Javascript (Not the path, etc.)
...ere a way for me to detect the actual domain name that the page is loading from so that I know what to change my content to?
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 13: ordinal not in range(128)
...answer are not right for Python 3 -- for Python 3, we're trying to convert from bytes to str rather than from str to unicode.)
– icktoofay
Aug 25 '19 at 7:16
add a comment
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HTML5 Local storage vs. Session storage
Apart from being non persistent and scoped only to the current window, are there any benefits (performance, data access, etc) to Session Storage over Local Storage?
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Why is the time complexity of both DFS and BFS O( V + E )
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But every vertex must be extracted from queue, and this is log(|Q|) What about this part?
– Yola
Jan 24 '16 at 10:56
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What is middleware exactly?
...y makes 4 different products, your client has another 3 different products from another 3 different companies.
Someday the client thought, why don't we integrate all our systems into one huge system. Ten minutes later their IT department said that will take 2 years.
You (the wise developer) said, ...
How to use int.TryParse with nullable int? [duplicate]
...Singh: We don't know whether strValue could be null or not. If it's coming from a text box, it probably can't be null. My code doesn't try to address this, but we really don't know whether or not it should address it.
– Jon Skeet
Jun 14 '13 at 17:29
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How do I set bold and italic on UILabel of iPhone/iPad?
... Better answer is the one with the extension method .withTraits() from @Maksymilian Wojakowski
– No Refunds No Returns
Aug 26 '16 at 4:52
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Creating an instance using the class name and calling constructor
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@JonSkeet I understand where you are coming from, however it's not quite that simple - I did look at the docs but was confused, but also if I tested it and it worked - ok then it worked - but if it didn't work then I would have been unsure if the problem was due to som...