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Changing column names of a data frame
...ot using names() instead of colnames()?
– Antoine Lizée
Oct 10 '13 at 6:40
5
Great! You can also...
What is a deadlock?
...resource A and having a long process. Thread B waiting to lock resource A. CPU time usage : 20%, can you consider that a deadlock situation?
– rickyProgrammer
Sep 28 '17 at 16:37
2...
Sending a message to nil in Objective-C
... but you save programmer time, which is a far more expensive resource than CPU time. In addition, you're eliminating more code and more conditional complexity from your application.
Clarifying for downvoters: you may think this is not a good way to go, but it's how the language is implemented, and ...
Difference between Groovy Binary and Source release?
...ore common on linux systems because linux systems can dramatically vary in cpu, installed library versions, kernelversions and nearly every linux system has a compiler installed.
binary releases are common on ms-windows systems. most windows machines do not have a compiler installed.
...
How to find out which view is focused?
...()
Be aware this thread runs in a 100ms cycle so it doesn't overflow the CPU with unnecessary work.
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Create a matrix of scatterplots (pairs() equivalent) in ggplot2
... this gist.github.com/1405150 to work
– Etienne Low-Décarie
Apr 30 '12 at 15:26
1
The first part...
Returning anonymous type in C#
...ppen to know if it as been transferred elsewhere?
– Rémi
Sep 13 '16 at 20:48
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Are static variables shared between threads?
...lem is more complex. Visibility of shared data can be affected not only by CPU caches, but also by out-of-order execution of instructions.
Therefore Java defines a Memory Model, that states under which circumstances threads can see consistent state of the shared data.
In your particular case, addi...
How can I generate a unique ID in Python? [duplicate]
...dom library :)
1 million id per second ?... on a Intel(R) Core(TM)2 CPU 6400 @ 2.13GHz, you get :
>>> timeit.timeit(uniqueid,number=40000)
1.0114529132843018
an average of 40000 id/second
"""
mynow=datetime.now
sft=datetime.strftime
# store old dat...
How can I open a Shell inside a Vim Window?
... edited Jul 8 '15 at 22:49
Félix Gagnon-Grenier
6,92299 gold badges4242 silver badges5454 bronze badges
answered May 6 '10 at 19:41
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