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Should I use a data.frame or a matrix?
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Something not mentioned by @Michal is that not only is a matrix smaller than the equivalent data frame, using matrices can make your code far more efficient than using data frames, often considerably so. That is one reason why internally, a lot of R functions will coerce to matrices data th...
Getting current directory in .NET web application
...e website.
You want HttpRuntime.AppDomainAppPath.
If you're in an HTTP request, you can also call Server.MapPath("~/Whatever").
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VIM + JSLint?
...is makes in mylintrun.js output a error list that can be used with the VIM quickfix window (:copen).
Now set the following in VIM:
set makeprg=cat\ %\ \\\|\ /my/path/to/js\ /my/path/to/mylintrun.js\ %
set errorformat=%f:%l:%c:%m
where you have to change /my/path/to/js to the path to SpiderMonkey...
Inherit from a generic base class, apply a constraint, and implement an interface in C#
..., a class only gets one where clause, and it goes at the end for any & all generic type constraints.
– Andy V
Aug 22 '16 at 16:18
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What is the “-d” in “npm -d install”?
...nse to be under "misc"... Just ask Google if they agree: google.com/search?q=npm+install+-d
– Seb Nilsson
Jan 7 '14 at 10:52
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BigDecimal equals() versus compareTo()
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The answer is in the JavaDoc of the equals() method:
Unlike compareTo, this method considers two BigDecimal objects equal only if they are equal in value and scale (thus 2.0 is not equal to 2.00 when compared by this method).
In other words: equals() check...
How can I use vim to convert my file to utf8?
...@MichaelKrelin-hacker, changing fileencoding is also a valid answer to the question, which does not IMO lead to taking bad habits. But OK, that's just a matter of mood I suppose.
– Benoit
Feb 16 '12 at 13:56
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Qt: How do I handle the event of the user pressing the 'X' (close) button?
I am developing an application using Qt. I don't know which slot corresponds to the event of "the user clicking the 'X'(close) button of the window frame" i.e. this button:
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Should CSS always preceed Javascript?
...e recommendation to include CSS prior to JavaScript. The reasoning is generally, of this form :
14 Answers
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How to reverse a singly linked list using only two pointers?
...y every node.
It looks like your code is on the right track, but it's not quite working in the form above. Here's a working version:
#include <stdio.h>
typedef struct Node {
char data;
struct Node* next;
} Node;
void print_list(Node* root) {
while (root) {
printf("%c ", root->...