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Break or return from Java 8 stream forEach?
...stream must not be null but suddenly and unexpectedly one of them is null) etc.
According to the documentation for Iterable.forEach():
Performs the given action for each element of the Iterable until all elements have been processed or the action throws an exception... Exceptions thrown by the ...
Pointers vs. values in parameters and return values
...eful use of pointers to items, items are small enough to copy efficiently, etc.). Sometimes you have to think about or measure the specifics of your situation, but that's a rough guide.
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impr...
Reliable way for a Bash script to get the full path to itself [duplicate]
...relative or funky-looking paths. I only need to support Bash, not sh, csh, etc.
23 Answers
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Side-by-side plots with ggplot2
...rint the side effect to a file, specify a device driver (such as pdf, png, etc), e.g.
pdf("foo.pdf")
grid.arrange(plot1, plot2)
dev.off()
or, use arrangeGrob() in combination with ggsave(),
ggsave("foo.pdf", arrangeGrob(plot1, plot2))
This is the equivalent of making two distinct plots using p...
What's the difference between Require.js and simply creating a element in the DOM? [closed]
...ther systems and libraries that haven't implemented the AMD specification, etc. I tried using Require.JS in a node-webkit project, and Require.JS fought me every step of the way... Contrast that with simply ordering scripts in a certain manner... Of course, you gain lazy-loading with Require.JS, whi...
What is the best way to programmatically detect porn images? [closed]
...a social networking site which allows users to upload their pics, avatars, etc?
25 Answers
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Simple and fast method to compare images for similarity
...hreshold. It is also very sensitive to color changes (brightness, contrast etc.). You can combine it with the previous two.
Detectors of salient points/areas - such as MSER (Maximally Stable Extremal Regions), SURF or SIFT. These are very robust algorithms and they might be too complicated for your ...
Is it possible to define more than one function per file in MATLAB, and access them from outside tha
...ramming. You'd access the function as myClass.static1(), myClass.static2() etc.
OOP functionality is only officially supported since R2008a, so unless you want to use the old, undocumented OOP syntax, the answer for you is no, as explained by @gnovice.
EDIT
One more way to define multiple funct...
Is there an S3 policy for limiting access to only see/access one bucket?
...ks like images.mysite.com on my S3 and other buckets containing backups, etc.
23 Answers
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R object identification
...t(d=1:26, e=letters))
data(cars)
obj <- lm(dist ~ speed, data=cars)
..etc.
If obj is an S3 or S4 object, you can also try methods or showMethods, showClass, etc. Patrick Burns' R Inferno has a pretty good section on this (sec #7).
EDIT: Dirk and Hadley mention str(obj) in their answers. It ...