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Scheduling R Script
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Now there is built in option in RStudio to do this, to run scheduler first install below packages
install.packages('data.table')
install.packages('knitr')
install.packages('miniUI')
install.packages('shiny')
insta...
Python class inherits object
...problem…
Python introduced new-style classes back in Python 2.2, and by now old-style classes are really quite old. Discussion of old-style classes is buried in the 2.x docs, and non-existent in the 3.x docs.
The problem is, the syntax for old-style classes in Python 2.x is the same as the alter...
Structs versus classes
... a meaningful, user-focused, relevant performance metric, and then you'll know whether the change has a meaningful effect on real users in relevant scenarios.
Structs consume less heap memory (because they are smaller and more easily compacted, not because they are "on the stack"). But they take lo...
Sublime Text 2: Trim trailing white space on demand
I know that Sublime Text 2 can delete the trailing white space on files upon saving.
5 Answers
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Ignore modified (but not committed) files in git?
...th skip-worktree, finding these files is a bit cumbersome. The only way I know of is git ls-files -v |grep -v '^H'. Also, many GUI tools do not know about this feature, and may produce funny errors if e.g. a checkout fails because of "hidden" modified files.
– sleske
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Use Mockito to mock some methods but not others
...mock.getSomething();
when(mock.getSomething()).thenReturn(fakeValue);
// now fakeValue is returned
value = mock.getSomething();
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Git ignore file for Xcode projects
...entially corrupting our live projects. This IMHO is unacceptable, and I've now started logging bugs against it each time they do so. I know they don't care, but maybe it'll shame one of them into treating developers more fairly.
If you need to customize, here's a gist you can fork: https://gist.g...
Subclassing a Java Builder class
...Builder<?> builder) {
calories = builder.calories;
}
}
Now instantiate the base builder with the derived class builder as the generic argument.
public class GMOFacts extends NutritionFacts {
private final boolean hasGMO;
public static class Builder extends NutritionFac...
Image Processing: Algorithm Improvement for 'Coca-Cola Can' Recognition
... in Java, C++, and Python on this page: Features2D + Homography to find a known object
Both algorithms are invariant to scaling and rotation. Since they work with features, you can also handle occlusion (as long as enough keypoints are visible).
Image source: tutorial example
The processing takes a...
Why does Internet Explorer not send HTTP post body on Ajax call after failure?
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The article now mentions up to IE11, so it looks like this was never fixed.
– peater
May 6 '15 at 15:24
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