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What version of javac built my jar?
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edited Apr 21 '12 at 12:37
Soundlink
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Accessing the index in 'for' loops?
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edited Sep 17 '16 at 10:13
Peter Mortensen
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Bash tool to get nth line from a file
Is there a "canonical" way of doing that? I've been using head -n | tail -1 which does the trick, but I've been wondering if there's a Bash tool that specifically extracts a line (or a range of lines) from a file.
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Boolean Field in Oracle
...nd other programming environments,
it's better to select 0 for false and 1 for true so it can work
correctly with the getBoolean and setBoolean functions.
Basically they advocate method number 2, for efficiency's sake, using
values of 0/1 (because of interoperability with JDBC's getBoolean(...
Repeat each row of data.frame the number of times specified in a column
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175
Here's one solution:
df.expanded <- df[rep(row.names(df), df$freq), 1:2]
Result:
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Forced naming of parameters in Python
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11 Answers
11
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What's the difference between HEAD^ and HEAD~ in Git?
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15 Answers
15
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How to pass optional arguments to a method in C++?
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145
Here is an example of passing mode as optional parameter
void myfunc(int blah, int mode = 0)...
rreplace - How to replace the last occurrence of an expression in a string?
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197
>>> def rreplace(s, old, new, occurrence):
... li = s.rsplit(old, occurrence)
... r...