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What does Ruby have that Python doesn't, and vice versa?
...or that claim language Y doesn't have X, although in fact it does. I also know exactly why I prefer Python, but that's also subjective, and wouldn't help anybody choosing, as they might not have the same tastes in development as I do.
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Traversing text in Insert mode
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@YugalJindle: Thanks! :) I have now added info on tweaking the Command-line mode. (The approach is a bit different from Insert mode.)
– Aaron Thoma
Jan 18 '14 at 12:24
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Moving average or running mean
... each position in the window, are sometimes called the convolution kernel. Now, the arithmetic mean of N values is (x_1 + x_2 + ... + x_N) / N, so the corresponding kernel is (1/N, 1/N, ..., 1/N), and that's exactly what we get by using np.ones((N,))/N.
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The mode argument of np.convolve speci...
Do zombies exist … in .NET?
... "zombie thread" crashing a system. I routinely use locking and I didn't know what a "zombie thread" was, so I asked. The impression I got from his explanation is that a zombie thread is a thread that has terminated but somehow still holds onto some resources. An example he gave of how a zombie t...
How to set JAVA_HOME in Linux for all users
...y neglected the first line (the #!/bin/sh), and it won't work without it.
Now it's working:
$ echo $JAVA_HOME
/opt/ibm/java-x86_64-60/
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typeof !== “undefined” vs. != null
...e would use the !== or === operators when comparing a value whose type is known to be a string.
– Nicolas Rinaudo
Aug 30 '13 at 7:38
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How to export/import PuTTy sessions list?
... messing with the registry like this is a Bad Idea™, and I don't really know what I'm doing. Use the below scripts at your own risk, and be prepared to have your IT department re-image your machine and ask you uncomfortable questions about what you were doing.
On the source machine:
.\export.ps...
How can I use xargs to copy files that have spaces and quotes in their names?
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find . -print0 | grep --null 'FooBar' | xargs -0 ...
I don't know about whether grep supports --null, nor whether xargs supports -0, on Leopard, but on GNU it's all good.
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What is a lambda (function)?
... = x−1 means a function substituting the symbols x−1 for the symbol y. Now imagine applying λ y to each term in the first equation. If a term is y then perform the substitution; otherwise do nothing. If you do this out on paper you'll see how applying that λ y will make the first equation solv...