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R command for setting working directory to source file location in Rstudio
...our path. The symbol ~ refers to the default RStudio working directory (at least on Windows).
If your RStudio working directory is "D:/Documents", setwd("~/proyect1") is the same as setwd("D:/Documents/proyect1").
Once you set that, you can navigate to a subdirectory: read.csv("DATA/mydata.csv")...
What APIs are used to draw over other apps (like Facebook's Chat Heads)?
...handling input outside the "head" as well as dragability? I think you'd at least need FLAG_NOT_TOUCH_MODAL, as well as some clever logic to update the Window attributes (i.e., move it) while you're dragging it.
– Delyan
Apr 12 '13 at 21:29
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Replace words in the body text
...nd this alternative to regular expressions which also runs pretty fast. At least it was fast enough for me:
var search = "search string";
var replacement = "replacement string";
document.body.innerHTML = document.body.innerHTML.split(search).join(replacement)
src: How to replace all occurrences...
How do I “decompile” Java class files? [closed]
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Soot is an option for newer Java code. At least it has the advantage of still being recently maintained...
Also, Java Decompiler is a decompiler with both a stand-alone GUI and Eclipse integration.
Lastly, Jdec hasn't been mentioned, though it's not as polished as ...
How do I create a round cornered UILabel on the iPhone?
...or. You won't see the rectangle until you compile and run your app, but at least you'll be able to place the subview and connect it to outlets or actions if needed.
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How can I determine if a variable is 'undefined' or 'null'?
...red, used the above solution. If you can guarantee that the variable is at least declared, you can use variable == null
– Rogue
Mar 31 '15 at 16:04
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Removing colors from output
... \+ will make the plus sign a literal, but I think it is mean to be an "at least one" modifier of the previous range.
– halfer
Aug 11 at 20:20
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Is #pragma once a safe include guard?
...GCC didn't support #pragma once before version 3.4.
I also found that, at least on GCC, it recognizes the standard #ifndef include guard and optimizes it, so it shouldn't be much slower than #pragma once.
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How can I find script's directory with Python? [duplicate]
... well, then sys.path[0] would refer to %temp% since exe runs from temp. At least this is the case on Windows.
– user6037143
Nov 16 '18 at 19:44
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Unix command to find lines common in two files
...nes in 2.txt. So grep will only work in very specific situations. You'd at least want to use fgrep (or grep -f) but the blank-line thing is probably going to wreak havoc on this process.
– Christopher Schultz
Jul 22 '15 at 14:08
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