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TypeScript Objects as Dictionary types as in C#
I have some JavaScript code that uses objects as dictionaries; for em>x m>ample a 'person' object will hold a some personal details keyed off the email address.
...
Setting the default Java character encoding
How do I properly set the default character encoding used by the JVM (1.5.m>x m>) programmatically?
17 Answers
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NodeJS / Em>x m>press: what is “app.use”?
In the docs for the NodeJS em>x m>press module , the em>x m>ample code has app.use(...) .
23 Answers
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What is the Comonad typeclass in Haskell?
What is the Comonad typeclass in Haskell? As in Comonad from Control.Comonad in the comonad package (em>x m>planations of any other packages that provide a Comonad typeclass are also welcome). I've vaguely heard about Comonad, but all I really know about it is that is provides em>x m>tract :: w a -> a ,...
Applying a function to every row of a table using dplyr?
...swer to this problem becomes:
iris %>%
rowwise() %>%
mutate(Mam>x m>.Len= mam>x m>(Sepal.Length,Petal.Length))
Non rowwise alternative
Five years (!) later this answer still gets a lot of traffic. Since it was given, rowwise is increasingly not recommended, although lots of people seem to find...
Python: try statement in a single line
Is there a way in python to turn a try/em>x m>cept into a single line?
12 Answers
12
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How to include *.so library in Android Studio?
...Studio, but none of them works, especially when it comes to the point of tem>x m>t: This does not work with the newer m>x m>m>x m>m>x m> (Android Studio, gradle, ...)
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Why am I getting an OPTIONS request instead of a GET request?
...s used to send
request data with a Content-Type other than
application/m>x m>-www-form-urlencoded, multipart/form-data, or tem>x m>t/plain,
e.g. if the POST request sends an m>X m>ML payload to the server using
application/m>x m>ml or tem>x m>t/m>x m>ml, then the request is preflighted.
It sets custom headers in the r...
Create an empty data.frame
...aracter(),
stringsAsFactors=FALSE)
Here's an other em>x m>ample with different column types :
df <- data.frame(Doubles=double(),
Ints=integer(),
Factors=factor(),
Logicals=logical(),
Characters=character(),
...
how to concatenate two dictionaries to create a new one in Python? [duplicate]
...s() + d3.items())'
100000 loops, best of 3: 4.93 usec per loop
Fastest: em>x m>ploit the dict constructor to the hilt, then one update:
$ python -mtimeit -s'd1={1:2,3:4}; d2={5:6,7:9}; d3={10:8,13:22}' \
'd4 = dict(d1, **d2); d4.update(d3)'
1000000 loops, best of 3: 1.88 usec per loop
Middling: a lo...