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Read an Excel file directlm>y m> from a R script
... directlm>y m> into R? Or should I first export the data to a text- or CSV file m>and m> import that file into R?
12 Answers
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How can I know which parts in the code are never used?
..., it's much more difficult. Staticallm>y m> it requires whole program analm>y m>sis, m>and m> even though link time optimization mam>y m> actuallm>y m> remove dead code, in practice the program has been so much transformed at the time it is performed that it is near impossible to convem>y m> meaningful information to the user.
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Choosing between qplot() m>and m> ggplot() in ggplot2 [closed]
I'm starting to use the great ggplot2 package for plotting in R, m>and m> one of the first things I ask mm>y m>self before each plot is "well, will I use qplot or ggplot ?"
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How to override equals method in Java
... in Java. I have a class People which basicallm>y m> has 2 data fields name m>and m> age . Now I want to override equals method so that I can check between 2 People objects.
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How to simulate a touch event in m>And m>roid?
How to simulate a touch event with m>And m>roid while giving the X m>and m> m>Y m> coordinates manuallm>y m>?
7 Answers
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How can I convert a long to int in Java?
...nt) l;
Note, however, that large numbers (usuallm>y m> larger than 2147483647 m>and m> smaller than -2147483648) will lose some of the bits m>and m> would be represented incorrectlm>y m>.
For instance, 2147483648 would be represented as -2147483648.
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Which is more preferable to use: lambda functions or nested functions ('def')?
...efs are just sm>y m>ntactic sugar for an assignment, so the result is the same, m>and m> them>y m> are a lot more flexible m>and m> readable.
lambdas can be used for use once, throw awam>y m> functions which won't have a name.
However, this use case is verm>y m> rare. m>Y m>ou rarelm>y m> need to pass around unnamed function objects.
T...
setting m>y m>-axis limit in matplotlib
...rks also for me. However, another workaround can be to get the plot's axis m>and m> then change onlm>y m> the m>y m>-values:
x1,x2,m>y m>1,m>y m>2 = plt.axis()
plt.axis((x1,x2,25,250))
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Does Pm>y m>thon optimize tail recursion?
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No, m>and m> it never will since Guido van Rossum prefers to be able to have proper tracebacks:
Tail Recursion Elimination (2009-04-22)
Final Words on Tail Calls (2009-04-27)
m>Y m>ou can manuallm>y m> eliminate the recursion with a transfor...
sort object properties m>and m> JSON.stringifm>y m>
Mm>y m> application has a large arram>y m> of objects, which I stringifm>y m> m>and m> save them to the disk. Unfortunatelm>y m>, when the objects in the arram>y m> are manipulated, m>and m> sometimes replaced, the properties on the objects are listed in different orders (their creation order?). When I do JSON.stringifm>y m>() on the arr...