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Check if a Bash array contains a value
...avoid getting killed when an array element contains IFS: for (( i = 0 ; i < ${#array[@]} ; i++ ))
– mkb
Sep 10 '10 at 15:45
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Rename Pandas DataFrame Index
...out this is that columns and index are the same type of object (Index or MultiIndex), and you can interchange the two via transpose.
This is a little bit confusing since the index names have a similar meaning to columns, so here are some more examples:
In [1]: df = pd.DataFrame([[1, 2, 3], [4, 5 ,...
Benefits of inline functions in C++?
...plusb_pow2(int a, int b) {
return (a + b)*(a + b) ;
}
for(int a = 0; a < 900000; ++a)
for(int b = 0; b < 900000; ++b)
aplusb_pow2(a, b);
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Restart/undo conflict resolution in a single file
..."file is still marked with both modified". That's exactly the intended result of the question.
– Kevin Smyth
May 5 '17 at 14:16
2
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No serializer found for class org.hibernate.proxy.pojo.javassist.Javassist?
...erialization happens before they get loaded fully.
Hibernate.initialize(<your getter method>);
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Rotating x axis labels in R for barplot
...tle tweaking up and down. Here's an example with the mtcars data set:
x <- barplot(table(mtcars$cyl), xaxt="n")
labs <- paste(names(table(mtcars$cyl)), "cylinders")
text(cex=1, x=x-.25, y=-1.25, labs, xpd=TRUE, srt=45)
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Coredata Error “data: ”
...sistent values of the objects. Each of your returned objects will be a 'fault' until this point.
You can force the fetch request to return full objects using [request setReturnsObjectsAsFaults:NO], but in most cases what you have will be fine. Look at the documentation for NSFetchRequest for more ...
How to revert Master branch to upstream
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May also need to run git remote add upstream <upstream_repo_url> if you forked the branch using GitHub.
– Kato
Mar 21 '14 at 15:46
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Convert to absolute value in Objective-C
... to be side-effect-safe. For instance, ABS(a++) will have an undefined result.
If you're using C++ or Objective-C++, you can bring in the <cmath> header and use std::abs(), which is templated for all the standard integer and floating-point types.
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How do I set cell value to Date and apply default Excel date format?
... One comment for others who need to do this. There is a POI class named BuiltinFormats that lists out all the standard formats (not just date formats) that Excel knows. I'm sticking with one of those to use as my parameter to the getFormat() method shown in the snippet above.
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