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Expert R users, what's in your .Rprofile? [closed]
...
"tourrgui" = "~/documents/tour/tourr-gui",
"prodplot" = "~/documents/categorical-grammar"
)
l <- function(pkg) {
pkg <- tolower(deparse(substitute(pkg)))
if (is.null(packages[[pkg]])) {
path <- file.path("~/documents", pkg, pkg)
} else {
path <- packages[pkg]
}
...
unix diff side-to-side results?
...put in two columns
Hence, say:
diff -y /tmp/test1 /tmp/test2
Test
$ cat a $ cat b
hello hello
my name my name
is me is you
Let's compare them:
$ diff -y a b
hello hello...
How to filter None's out of List[Option]?
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The cats library also has flattenOption, which turns any F[Option[A]] into an F[A] (where F[_] is a FunctorFilter)
import cats.implicits._
List(Some(1), Some(2), None).flattenOption == List(1, 2)
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Convert dmesg timestamp to custom date format
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15:54:05 up 371 days, 19:09, 4 users, load average: 3.41, 3.62, 3.57
# cat /proc/uptime
32123362.57 638648955.00
Accounting for the CPU uptime being in milliseconds, there's an offset of nearly 5 1/2 hours here. So I revised the script and converted it to native bash in the process:
dmesg_wit...
How do you easily horizontally center a using CSS? [duplicate]
...answered Nov 4 '15 at 7:54
wh1t3cat1kwh1t3cat1k
2,97255 gold badges2727 silver badges3535 bronze badges
...
How do I make a Git commit in the past?
...se git add, but you would first need to copy the file from some external location to the expected path (--index-filter runs its command in a temporary GIT_WORK_TREE that is empty).
If you want your new file to be added to every existing commit, then you can do this:
new_file=$(git hash-object -w p...
How to tell which commit a tag points to in Git?
...tags. On Windows use git rev-parse --verify %TAG%^^^^{commit} (four hats).
cat .git/refs/tags/* or cat .git/packed-refs (answer) depending on whether or not the tag is local or fetched from remote.
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Have bash script answer interactive prompts [duplicate]
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I found the best way to send input is to use cat and a text file to pass along whatever input you need.
cat "input.txt" | ./Script.sh
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improve this answer
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How to programmatically determine the current checked out Git branch [duplicate]
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Do not use cat .git/refs/heads/branch; use git rev-parse --verify refs/heads/branch. Refs can be packed, and the solution with cat would fail.
– Jakub Narębski
Nov 1 '09 at 9:06
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Why does the order in which libraries are linked sometimes cause errors in GCC?
...o see real command lines).
Common files shared by all below commands
$ cat a.cpp
extern int a;
int main() {
return a;
}
$ cat b.cpp
extern int b;
int a = b;
$ cat d.cpp
int b;
Linking to static libraries
$ g++ -c b.cpp -o b.o
$ ar cr libb.a b.o
$ g++ -c d.cpp -o d.o
$ ar cr libd.a d.o
$ ...