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How to move all files including hidden files into parent directory via *
...bashman () { man bash | less -p "^ $1 "; } and then bashman shopt to read all about it straightforwardly. (Might have to hit n to jump down to the command if there are lines starting with shopt, as I found.)
– Nick Rice
Nov 20 '14 at 16:22
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Trouble comparing time with RSpec
...ect maintains greater precision than the database does. When the value is read back from the database, it’s only preserved to microsecond precision, while the in-memory representation is precise to nanoseconds.
If you don't care about millisecond difference, you could do a to_s/to_i on both side...
How to print a list of symbols exported from a dynamic library
...ot of things one can do with nm. Again, it's an external resource one can read through to discover a solution, but not a solution itself to the requested “a simple way to list the symbols that are exported from a dylib file”. “nm -gU ….dylib” is, however.
– Slipp D....
Most popular screen sizes/resolutions on Android phones [closed]
...that Android's developer site provides information on this topic. I have already read the following three pages:
8 Answers
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How to convert R Markdown to PDF?
... 0) {
stop("Error: missing file operand", call. = TRUE)
} else {
# read report to render from command line
for (rmd in commandArgs(trailingOnly = TRUE)) {
# render Rmd to PDF
if ( grepl("\\.Rmd$", rmd) && file.exists(rmd)) {
render(rmd, pdf_document())...
How do you get the logical xor of two variables in Python?
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If you're already normalizing the inputs to booleans, then != is xor.
bool(a) != bool(b)
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R object identification
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In case you haven't seen it already, "S4 objects in 15 pages or less" [ stat.auckland.ac.nz/S-Workshop/Gentleman/S4Objects.pdf ] is another good read (with more details).
– ars
Jul 24 '09 at 23:02
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What's the difference between “version number” in iTunes Connect, “bundle version”, “bundle version
... uploading a new build, we got an error indicating the build version was already uploaded.
After reading a few SO links and Apple docs, my understanding was to make the bundle version: 1.2.8.001, while maintaing bundle-version-short the way it was. If a new build is required, we increment bundle-v...
Shrink a YouTube video to responsive width
... the detail explanation on the number 56.25% and 25px can be read at alistapart.com/article/creating-intrinsic-ratios-for-video padding-bottom: 56.25%: To create a 16:9 ratio, we must divide 9 by 16 (0.5625 or 56.25%). padding-top: 25px: To avoid issues with the broken box mo...
Git: Discard all changes on a diverged local branch
...d your way home if you "accidentally" issued this command without actually reading what it does. :)
– dbn
Dec 19 '12 at 0:25
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