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In which scenario do I use a particular STL container?
...s, because sequential access is precisely what a list does. Rather glaring error there.
– underscore_d
Nov 28 '15 at 13:01
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Why are arrays covariant but generics are invariant?
...t[] objects = strings; // valid, String[] is Object[]
objects[0] = 12; // error, would cause java.lang.ArrayStoreException: java.lang.Integer during runtime
If this was allowed with generic collections:
List<String> strings = new ArrayList<String>();
List<Object> objects = stri...
Is there an alternative sleep function in C to milliseconds?
I have some source code that was compiled on Windows. I am converting it to run on Red Hat Linux.
6 Answers
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Passing command line arguments to R CMD BATCH
I have been using R CMD BATCH my_script.R from a terminal to execute an R script. I am now at the point where I would like to pass an argument to the command, but am having some issues getting it working. If I do R CMD BATCH my_script.R blabla then blabla becomes the output file, rather th...
When I catch an exception, how do I get the type, file, and line number?
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import sys, os
try:
raise NotImplementedError("No error")
except Exception as e:
exc_type, exc_obj, exc_tb = sys.exc_info()
fname = os.path.split(exc_tb.tb_frame.f_code.co_filename)[1]
print(exc_type, fname, exc_tb.tb_lineno)
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Difference between numpy.array shape (R, 1) and (R,)
...ame issue also occurs column-wise). We will get matrices are not aligned error since M[:,0] is in shape (R,) but numpy.ones((1, R)) is in shape (1, R) .
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How do I include a pipe | in my linux find -exec command?
...the -c option. Otherwise you will get a puzzling No such file or directory error message.
– asmaier
Dec 6 '13 at 12:22
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How to expand/collapse a diff sections in Vimdiff?
...s/vimrc#L103
– ankr
Oct 9 '14 at 13:05
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How to see full symlink path
When I'm using ls -la symlinkName or stat symlinkName not all the path is displayed
(e.g ../../../one/two/file.txt )
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How is mime type of an uploaded file determined by browser?
... in the end.
– Jenix
Jan 9 '16 at 1:05
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