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What is a smart pointer and when should I use one?
...onal functionality, e.g. automatic memory deallocation, reference counting etc.
Small intro is available on page Smart Pointers - What, Why, Which?.
One of the simple smart-pointer type is std::auto_ptr (chapter 20.4.5 of C++ standard), which allows to deallocate memory automatically when it out o...
git pull from master into the development branch
...u more options:
git checkout dmgr2 # gets you "on branch dmgr2"
git fetch origin # gets you up to date with origin
git merge origin/master
The fetch command can be done at any point before the merge, i.e., you can swap the order of the fetch and the checkout, because fetch just goes o...
std::string formatting like sprintf
... uses vsnprintf() internally:
#include <stdarg.h> // For va_start, etc.
std::string string_format(const std::string fmt, ...) {
int size = ((int)fmt.size()) * 2 + 50; // Use a rubric appropriate for your code
std::string str;
va_list ap;
while (1) { // Maximum two pass...
How to reliably guess the encoding between MacRoman, CP1252, Latin1, UTF-8, and ASCII
...6 bytes into account. I presume that your files have no markup (HTML, XML, etc) in them -- that would distort the probabilities something shocking.
You've mentioned files that are mostly UTF-8 but fail to decode. You should also be very suspicious of:
(1) files that are allegedly encoded in ISO-88...
What is the difference between URI, URL and URN? [duplicate]
...number and route the call appropriately (+1 for the USA, 816 for Missouri, etc.).
– Stefan Gehrig
Feb 6 '11 at 13:07
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show 16 more comments...
Using Node.js only vs. using Node.js with Apache/Nginx
...tatic files as so many (every?) competing technologies (PHP, Ruby, Python, etc) require a web server like HTTPD or Nginx in front of the application server(s).
Every objective reason I have ever read against serving static files with Node revolves around the idea of using what you know best or usin...
Can I 'git commit' a file and ignore its content changes?
...means, if there are any changes upstream to that file (legitimate changes, etc.) when you do a pull, it will say:
$ git pull
…
From https://github.com/x/y
72a914a..106a261 master -> origin/master
Updating 72a914a..106a261
error: Your local changes to the following files would be overwri...
Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
...-manager &
# Fix to make GNOME work
export XKL_XMODMAP_DISABLE=1
/etc/X11/Xsession
Start vncviewer on your laptop
$vncviewer
A vncviewer window will pop up and type in the IP address of your RPi (given by your laptop) followed by port 1, which is your VNC server. for example: 10.42.0.9...
Isn't it silly that a tiny favicon requires yet another HTTP request? How can I put the favicon into
...d and edited by laypeople, whitespace literals can become newline literals etc.
– Rounin
Jul 17 at 13:06
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show 1 more comment
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Sanitizing strings to make them URL and filename safe?
...hed by \w.
Creating the slug
You probably shouldn't include accented etc. characters in your post slug since, technically, they should be percent encoded (per URL encoding rules) so you'll have ugly looking URLs.
So, if I were you, after lowercasing, I'd convert any 'special' characters to th...