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How do I mock an open used in a with statement (using the Mock framework in Python)?

...hods or attributes available on standard file handles. read_data is a string for the read method of the file handle to return. This is an empty string by default. >>> from mock import mock_open, patch >>> m = mock_open() >>> with patch('{}.open'.format(__name__), ...
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async await return Task

...ot work (I guess I am doing something wrong). Example static async Task<string> DoStuff() { ... = await SomeMethodAsync(); return "string value"; } .. var x = DoStuff(); But this x - is with type "Task<string>", not with type "string"... Why is that so? – Prokurors...
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Get the correct week number of a given date

...52 weeks in a year. Each year has 52 full weeks + 1 or +2 (leap year) days extra. They make up for a 53th week. 52 weeks * 7days = 364 days. So for each year you have at least one an extra day. Two for leap years. Are these extra days counted as separate weeks of their own? How many weeks there...
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LINQ Single vs First

...the first number from the list or 0 if the list is empty. If it is list<string>, it will return the first string from the list or null if the list is empty. share | improve this answer ...
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Regular expression: find spaces (tabs/space) but not newlines

...d so far (Perl, .NET, PCRE, Python). You'll need to either normalize your strings first (such as by replacing all \u3000 with \u0020), or you'll have to use a character set that includes this codepoint in addition to whatever other whitespace you're targeting, such as [ \t\u3000]. If you're using ...
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How to store standard error in a variable

...ut for display or to be piped into another command. It sets up a couple of extra file descriptors to manage the redirections needed in order to do this. #!/bin/bash exec 3>&1 4>&2 #set up extra file descriptors error=$( { ./useless.sh | sed 's/Output/Useless/' 2>&4 1>&3...
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GIT commit as different user without email / or only email

... the existing commits and use the first commit that contains your provided string. Examples: Only user name Omit the email address explicitly: git commit --author="John Doe <>" -m "Impersonation is evil." Only email Technically this isn't possible. You can however enter the email addres...
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How to read last commit comment?

..., see: kernel.org/pub/software/scm/git/docs/… (scroll down to format:<string>). – imme Jul 31 '15 at 15:36 ...
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How to sort with a lambda?

... return os; }; }; typedef std::vector<Foo> VectorT; std::string toString(const VectorT& v) { std::stringstream ss; std::copy(v.begin(), v.end(), std::ostream_iterator<Foo>(ss, ", ")); return ss.str(); }; int main() { VectorT v(10); std::for_each(v.be...
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MySQL Query GROUP BY day / month / year

...ion when grouping will be faster than DATE_FORMAT function (which return a string value). Try using function|field that return non-string value for SQL comparison condition (WHERE, HAVING, ORDER BY, GROUP BY). share ...