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How to round the minute of a datetime object
...his will get the 'floor' of a datetime object stored in tm rounded to the 10 minute mark before tm.
tm = tm - datetime.timedelta(minutes=tm.minute % 10,
seconds=tm.second,
microseconds=tm.microsecond)
If you want classic rounding to the ne...
Prevent strace from abbreviating arguments?
...strace is abbreviating the arguments to execve (I see "..." after about 30 characters), preventing me from getting any useful information. How can I get the full text of each argument?
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Set a persistent environment variable from cmd.exe
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answered May 5 '11 at 13:09
Vik DavidVik David
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How to combine multiple conditions to subset a data-frame using “OR”?
... it is to be handled as I intended, since ...
> NA & 1
[1] NA
> 0 & NA
[1] FALSE
Order of arguments may matter when using '&".
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Bash tool to get nth line from a file
...re NUM is the number of the line you want to print; so, for example, sed '10q;d' file to print the 10th line of file.
Explanation:
NUMq will quit immediately when the line number is NUM.
d will delete the line instead of printing it; this is inhibited on the last line because the q causes the res...
Rebuild IntelliJ project indexes
IntelliJ IDEA 10.5.1 is reporting zero usages for all method, classes etc.
2 Answers
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How to open a web server port on EC2 instance
I'm running a CherryPy web server at 0.0.0.0:8787 on an EC2 instance.
3 Answers
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How add “or” in switch statements?
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edited May 11 '09 at 14:56
answered May 11 '09 at 14:51
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How to read the mode field of git-ls-tree's output
... The following flags are defined for the st_mode field:
S_IFMT 0170000 bit mask for the file type bit fields
S_IFSOCK 0140000 socket
S_IFLNK 0120000 symbolic link
S_IFREG 0100000 regular file
S_IFBLK 0060000 block device
S_IFDIR ...
What do single quotes do in C++ when used on multiple characters?
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It's a multi-character literal. 1952805748 is 0x74657374, which decomposes as
0x74 -> 't'
0x65 -> 'e'
0x73 -> 's'
0x74 -> 't'
Edit:
C++ standard, §2.14.3/1 - Character literals
(...) An ordinary character literal that contains more than
one c-char...