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Move assignment operator and `if (this != &rhs)`
... array of the same size and then deallocate the old one of the same size!
Now for your clients who actually want strong exception safety:
template <class C>
C&
strong_assign(C& lhs, C rhs)
{
swap(lhs, rhs);
return lhs;
}
Or maybe if you want to take advantage of move assign...
Where in memory are my variables stored in C?
...
For those future visitors who may be interested in knowing about those memory segments, I am writing important points about 5 memory segments in C:
Some heads up:
Whenever a C program is executed some memory is allocated in the RAM for the program execution. This memory is ...
Git workflow and rebase vs merge questions
I've been using Git now for a couple of months on a project with one other developer. I have several years of experience with SVN , so I guess I bring a lot of baggage to the relationship.
...
How do you use the ? : (conditional) operator in JavaScript?
...sion where an if...else
statement would be awkward. For
example:
var now = new Date();
var greeting = "Good" + ((now.getHours() > 17) ? " evening." : " day.");
The example creates a string
containing "Good evening." if it is
after 6pm. The equivalent code using
an if...else state...
Equation (expression) parser with precedence?
...l, you actually have a hope at scaling up later, showing other people you know that parsers are the domain of parsing tools.
Update:
People here have offered much sound advice. My only warning against skipping the parsing tools or just using the Shunting Yard algorithm or a hand rolled recursive...
Simple proof that GUID is not unique [closed]
... Console.WriteLine("{0:u} - Building a bigHeapOGuids.", DateTime.Now);
// Fill up memory with guids.
var bigHeapOGuids = new HashSet<Guid>();
try
{
do
{
bigHeapOGuids.Add(Guid.NewGuid(...
How do I install from a local cache with pip?
... downloaded and added to the PIP_DOWNLOAD_CACHE directory. For instance, I now have quite a few Django packages.
This doesn't remove the need for network access, as stated in the pip news, so it's not the answer for creating new virtualenvs on the airplane, but it's still great.
...
How do I add multiple arguments to my custom template filter in a django template?
...want a template filter that looks like this:
{% if X|is_in:"1,2,3,4" %}
Now we can create your templatetag like this:
from django.template import Library
register = Library()
def is_in(var, args):
if args is None:
return False
arg_list = [arg.strip() for arg in args.split(',')]...
MongoDB or CouchDB - fit for production? [closed]
...ction.
businessinsider has been using mongo in production for over a year now. They are using it for everything from users and blog posts, to every image on the site.
shopwiki is using it for a few things including real time analytics and a caching layer. They are doing over 1000 writes per secon...
DateTime to javascript date
...
Try:
return DateTime.Now.Subtract(new DateTime(1970, 1,1)).TotalMilliseconds
Edit: true UTC is better, but then we need to be consistent
return DateTime.UtcNow
.Subtract(new DateTime(1970,1,1,0,0,0,DateTimeKind.Utc))
...