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Getting a timestamp for today at midnight?
... think that you should use the new PHP DateTime object as it has no issues doing dates beyond the 32 bit restrictions that strtotime() has. Here's an example of how you would get today's date at midnight.
$today = new DateTime();
$today->setTime(0,0);
Or if you're using PHP 5.4 or later you c...
How do I create a WPF Rounded Corner container?
...a WPF Rounded Corner container to place a bunch of other elements within. Does anyone have some suggestions or sample code on how we can best accomplish this? Either with styles on a or with creating a custom control?
...
How do you set the startup page for debugging in an ASP.NET MVC application?
How do you start debugging the application at the application root? For example: http://localhost:49742/
6 Answers
...
Javascript equivalent of Python's zip function
... // note zip(row0,row1), not zip(matrix)
same answer as above
(Do note that the ... syntax may have performance issues at this time, and possibly in the future, so if you use the second answer with variadic arguments, you may want to perf test it.)
Here's a oneliner:
function zip(arr...
How expensive is RTTI?
...egardless of compiler, you can always save on runtime if you can afford to do
if (typeid(a) == typeid(b)) {
B* ba = static_cast<B*>(&a);
etc;
}
instead of
B* ba = dynamic_cast<B*>(&a);
if (ba) {
etc;
}
The former involves only one comparison of std::type_info; the la...
Why NSUserDefaults failed to save NSMutableDictionary in iOS?
...NSArray , which contains a list of object which implements NSCoding . Per document, NSString and NSArray both are conform to NSCoding .
...
How do I escape ampersands in XML so they are rendered as entities in HTML?
I have some XML text that I wish to render in an HTML page. This text contains an ampersand, which I want to render in its entity representation: &amp; .
...
How to render and append sub-views in Backbone.js
...s:
The order in which you append the sub elements matters
The outer view does not contain the html elements to be set on the inner view(s) (meaning you can still specify tagName in the inner view)
render() is called AFTER the inner view's element has been placed into the DOM, which is helpful if y...
Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization
...ing the stack to trigger cleanup" (UTSTTC:)?
RAII is telling you what to do: Acquire your resource in a constructor! I would add: one resource, one constructor. UTSTTC is just one application of that, RAII is much more.
Resource Management sucks. Here, resource is anything that needs cleanup afte...
psql: FATAL: Ident authentication failed for user “postgres”
...nf?
See https://help.ubuntu.com/stable/serverguide/postgresql.html how to do it.
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