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Calling C/C++ from Python?
...7
g++ -shared -Wl,-soname,_code.so -o _code.so code.o code_wrap.o
We can now use the function in Python scripts:
#!/usr/bin/env python
import code
a= [[3,5,7],[8,10,12]]
print a
b = code.average(a)
print "Assignment done"
print a
print b
...
What does `:_*` (colon underscore star) do in Scala?
...s taken as single arg
f(x:_*) // 2 as x is "unpacked" as a Seq[Any]*
So now we know what :_* do is to tell compiler : please unpack this argument and bind those elements to the vararg parameter in function call rather than take the x as a single argument .
So in a nutshell, the :_* is to remove ...
Importing a CSV file into a sqlite3 database table using Python
...n to a file on disk is left as an exercise for the reader ... but there is now a two-liner made possible by the pandas library
df = pandas.read_csv(csvfile)
df.to_sql(table_name, conn, if_exists='append', index=False)
shar...
How do I globally configure RSpec to keep the '--color' and '--format specdoc' options turned on
... and have it apply to just that project. Just thought some might want to know that here as well.
– Nick Gronow
Jun 2 '14 at 13:17
...
How do you turn a Mongoose document into a plain object?
...ct({ getters: true })
console.log('doc _id:', doc._id)
}
})
and now it will work.
For reference, see: http://mongoosejs.com/docs/api.html#document_Document-toObject
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Get nth character of a string in Swift programming language
... Note: This answer has been already edited, it is properly implemented and now works for substrings as well. Just make sure to use a valid range to avoid crashing when subscripting your StringProtocol type. For subscripting with a range that won't crash with out of range values you can use this impl...
Cartesian product of x and y array points into single array of 2D points
... following sections, I include some tests of other alternatives. These are now somewhat out of date, but rather than duplicate effort, I've decided to leave them here out of historical interest. For up-to-date tests, see Panzer's answer, as well as Nico Schlömer's.
Tests against alternatives
Here...
Why doesn't Internet Explorer 11 honour conditional comments even when emulating Internet Explorer 8
...
@ Andrew Thank you. Now I found the setting. The problem was the german translation. They translated "user agent" with "Zeichenfolge des Benutzer-Agents" and I thought this meant the charset. Some things should not be translated ;)
...
Measure elapsed time in Swift
...I wrote to measure Project Euler problems in Swift
As of Swift 3, there is now a version of Grand Central Dispatch that is "swiftified". So the correct answer is probably to use the DispatchTime API.
My function would look something like:
// Swift 3
func evaluateProblem(problemNumber: Int, problemBl...
How can I join elements of an array in Bash?
...when the delimiter starts with a hyphen (and maybe others I can't think of now). You can of course fix these (replace backslashes by double backslashes and use printf -- "$d%s"), but at some point you'll feel that you're fighting against the shell instead of working with it. That's why, in my answer...