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Multiple aggregations of the same column using pandas GroupBy.agg()
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@Ben I think you must use a rename afterwards. example by Tom Augspurger (see cell 25)
– Stewbaca
Jan 14 '16 at 17:22
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Can you help me understand Moq Callback?
...ng Moq and looked at Callback but I have not been able to find a simple example to understand how to use it.
5 Answers
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Python “SyntaxError: Non-ASCII character '\xe2' in file”
... got a stray byte floating around. You can find it by running
with open("x.py") as fp:
for i, line in enumerate(fp):
if "\xe2" in line:
print i, repr(line)
where you should replace "x.py" by the name of your program. You'll see the line number and the offending line(s). ...
How to find elements with 'value=x'?
...(){return this.value=='123'}).remove();
demo http://jsfiddle.net/gaby/RcwXh/2/
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python multithreading wait till all threads finished
This may have been asked in a similar context but I was unable to find an answer after about 20 minutes of searching, so I will ask.
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Find and kill a process in one line using bash and regex
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In bash, you should be able to do:
kill $(ps aux | grep '[p]ython csp_build.py' | awk '{print $2}')
Details on its workings are as follows:
The ps gives you the list of all the processes.
The grep filters that based on your search string, [p] is a trick to stop you pi...
How to define “type disjunction” (union types)?
...pecific case of Any*, this trick below won't work, as it will not accept mixed types. However, since mixed types wouldn't work with overloading either, this may be what you want.
First, declare a class with the types you wish to accept as below:
class StringOrInt[T]
object StringOrInt {
implicit...
Why should hash functions use a prime number modulus?
...ought a data structures book off the bargain table for $1.25. In it, the explanation for a hashing function said that it should ultimately mod by a prime number because of "the nature of math".
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Moq mock method with out specifying input parameter
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You can use It.IsAny<T>() to match any value:
mockInvoice.Setup(x => x.IsInFinancialYear(It.IsAny<FinancialYearLookup>())).Returns(true);
See the Matching Arguments section of the quick start.
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Bash script prints “Command Not Found” on empty lines
...h
Enter your path to bash if it is not /bin/bash
Try running:
dos2unix script.sh
That wil convert line endings, etc from Windows to unix format. i.e. it strips \r (CR) from line endings to change them from \r\n (CR+LF) to \n (LF).
More details about the dos2unix command (man page)
Anoth...