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Comments in command-line Zsh
...ent multiline construct onto the buffer stack and return to the top-level (PS1) prompt. If the current parser construct is only a single line, this is exactly like push-line. Next time the editor starts up or is popped with get-line, the construct will be popped off the top of the buffer stack a...
Interface vs Base class
...ize "context" because the JVM can often optimize away the slow method lookups. (e.g., if a list of interface inheritors tend to be instances of the same class. This sadly makes benchmarking a tad difficult.) If you're trying to optimize something performance sensitive, and only then, you should c...
Create tap-able “links” in the NSAttributedString of a UILabel?
...ink
Now we should detect touches on this link. The idea is to catch all taps within UILabel and figure out whether the location of the tap was close enough to the link. To catch touches we can add tap gesture recognizer to the label. Make sure to enable userInteraction for the label, it's turned of...
If table exists drop table then create it, if it does not exist just create it
...EXISTS `tablename`; before your CREATE TABLE statement.
That statement drops the table if it exists but will not throw an error if it does not.
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git replacing LF with CRLF
...e using unix utilities under windows or if you run into makefiles issues),
PS What to choose when installing git for Windows?
If you're not going to use any of your projects under Unix, don't agree with the default first option. Choose the third one (Checkout as-is, commit as-is). You won't see this...
Custom CSS Scrollbar for Firefox
... is now limited customization available in Firefox!
See these answers:
https://stackoverflow.com/a/54101063/405015
https://stackoverflow.com/a/53739309/405015
And this for background info: https://bugzilla.mozilla.org/show_bug.cgi?id=1460109
There's no Firefox equivalent to ::-webkit-scrollbar an...
What is the result of % in Python?
...s. I'm sure there are more.
For negative b, by the way, everything just flips, and the invariant becomes:
0 >= r > b.
So why doesn't C do it this way? Probably the hardware didn't do this at the time C was designed. And the hardware probably didn't do it this way because in the oldest hardw...
setup.py examples?
...
READ THIS FIRST https://packaging.python.org/en/latest/current.html
Installation Tool Recommendations
Use pip to install Python packages
from PyPI.
Use virtualenv, or pyvenv to isolate application specific dependencies from a s...
How can I create a correlation matrix in R?
...png", width=5, height=5, units="in", res=200)
op <- par(mar=c(6,6,1,1), ps=10)
COR <- cor(iris[,1:4])
image(x=seq(nrow(COR)), y=seq(ncol(COR)), z=cor(iris[,1:4]), axes=F, xlab="", ylab="")
text(expand.grid(x=seq(dim(COR)[1]), y=seq(dim(COR)[2])), labels=round(c(COR),2))
box()
axis(1, at=seq(nr...
Calling a Method From a String With the Method's Name in Ruby
...t to call. The other way is to basically eval the string. Do not do this.
PS don't be lazy and actually type out your whole question, instead of linking to something.
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