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General suggestions for debugging in R
...s you more control over how errors are handled at run time.
These related questions have a lot of suggestions:
Debugging tools for the R language
Debugging lapply/sapply calls
Getting the state of variables after an error occurs in R
R script line numbers at error?
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How to properly URL encode a string in PHP?
I'm making a search page, where you type a search query and the form is submitted to search.php?query=your query . What PHP function is the best and that I should use for encoding/decoding the search query?
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How do I do base64 encoding on iOS?
..., 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8...
Is it possible to include a file in your .gitconfig
....2~12^2 (i.e. v1.7.10.2 or later), notable as it seems Debian 7 and Ubuntu Quantal will release with v1.7.10.4.
– FauxFaux
Aug 22 '12 at 11:06
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Running PostgreSQL in memory only
I want to run a small PostgreSQL database which runs in memory only, for each unit test I write. For instance:
8 Answers
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Most efficient way to create a zero filled JavaScript array?
...wanted to add my 2 cents to it. Not sure how slow/fast this is, but it's a quick one liner. Here is what I do:
If I want to pre-fill with a number:
Array.apply(null, Array(5)).map(Number.prototype.valueOf,0);
// [0, 0, 0, 0, 0]
If I want to pre-fill with a string:
Array.apply(null, Array(3)).ma...
R script line numbers at error?
...e options(error) functionality. Here's a simple example:
options(error = quote({dump.frames(to.file=TRUE); q()}))
You can create as elaborate a script as you want on an error condition, so you should just decide what information you need for debugging.
Otherwise, if there are specific areas you...
Quickest way to convert a base 10 number to any base in .NET?
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Convert.ToString can be used to convert a number to its equivalent string representation in a specified base.
Example:
string binary = Convert.ToString(5, 2); // convert 5 to its binary representation
Console.WriteLine(binary); // prints 101
However, as pointed out...
Evil Mode best practice? [closed]
...ly don't).
One thing I would recommend to any ex vimmer is this
;;; esc quits
(defun minibuffer-keyboard-quit ()
"Abort recursive edit.
In Delete Selection mode, if the mark is active, just deactivate it;
then it takes a second \\[keyboard-quit] to abort the minibuffer."
(interactive)
(if (...
Simple argparse example wanted: 1 argument, 3 results
...s "If arg is A, do this, if B do that, if none of the above show help and quit" .
12 Answers
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