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How to convert R Markdown to PDF?
... where I have a copy of pandoc through RStudio, I can use the following:
Rscript -e "Sys.setenv(RSTUDIO_PANDOC='/Applications/RStudio.app/Contents/MacOS/pandoc');library(rmarkdown); library(utils); render('input.Rmd', 'pdf_document')"
Old Answer (circa 2012)
So, a number of people have sugges...
Meaning of “[: too many arguments” error from if [] (square brackets)
...e [[ for an alternative suggested here, or, ensure that whatever runs your script uses a shell that supports [[ aka new test.
Also beware of the [: unary operator expected error
If you're seeing the "too many arguments" error, chances are you're getting a string from a function with unpredictabl...
Is it possible to create a remote repo on GitHub from the CLI without opening browser?
...
I wrote a bash script to save us all some typing. Takes user input and has sensible defaults: gist.github.com/robwierzbowski/5430952
– RobW
Apr 21 '13 at 20:35
...
Remove querystring from URL
What is an easy way to remove the querystring from a Path in Javascript?
I have seen a plugin for Jquery that uses window.location.search. I can not do that: The URL in my case is a variable that is set from AJAX.
...
How can I make an “are you sure” prompt in a Windows batchfile?
...RE=N before the prompt in order to clear the choice if you already ran the script before in that command window. Without it the default will remain the previously selected choice.
– isapir
Dec 26 '14 at 21:05
...
MySQL pagination without double-querying?
...cond query (with the limit) and just filter the info through your back end script. In PHP for instance, you could do something like:
if($queryResult > 0) {
$counter = 0;
foreach($queryResult AS $result) {
if($counter >= $startAt AND $counter < $numOfRows) {
//do wh...
Can a Windows batch file determine its own file name?
...
Using the following script, based on SLaks answer, I determined that the correct answer is:
echo The name of this file is: %~n0%~x0
echo The name of this file is: %~nx0
And here is my test script:
@echo off
echo %0
echo %~0
echo %n0
echo %x0...
Finding the index of elements based on a condition using python list comprehension
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Paul, I haven't yet come across a need for this in a script/function/class. It's more for interactive testing of a class I am writing.
– Lee
Sep 1 '11 at 13:30
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Insert line after first match using sed
...
Try doing this using GNU sed:
sed '/CLIENTSCRIPT="foo"/a CLIENTSCRIPT2="hello"' file
if you want to substitute in-place, use
sed -i '/CLIENTSCRIPT="foo"/a CLIENTSCRIPT2="hello"' file
Output
CLIENTSCRIPT="foo"
CLIENTSCRIPT2="hello"
CLIENTFILE="bar"
Doc
see s...
How to create a directory using nerdtree
...ory you want to create, making sure to add a '/' at the end, otherwise the script would create a file.
AFAIK NERDTree cannot create parent directories like 'mkdir -p' does.
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