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Creating a UIImage from a UIColor to use as a background image for UIButton [duplicate]
...rState:(UIControlState)state {
[self setBackgroundImage:[UIButton imageFromColor:backgroundColor] forState:state];
}
+ (UIImage *)imageFromColor:(UIColor *)color {
CGRect rect = CGRectMake(0, 0, 1, 1);
UIGraphicsBeginImageContext(rect.size);
CGContextRef context = UIGraphicsGetCurre...
How to implement an STL-style iterator and avoid common pitfalls?
...riterator>, or put the same typedefs in the iterator itself, or inherit from std::iterator (which has these typedefs). I prefer the second option, to avoid changing things in the std namespace, and for readability, but most people inherit from std::iterator.
struct std::iterator_traits<youri...
Android AsyncTask testing with Android Test Framework
...s, and I needed to have my service callbacks sync-ed with the test methods from my ApplicationTestCase classes. Usually the test method itself finished before the callback would be accessed, so the data sent via the callbacks would not be tested. Tried applying the @UiThreadTest bust still didn't wo...
Play audio with Python
How can I play audio (it would be like a 1 second sound) from a Python script?
22 Answers
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href=“tel:” and mobile numbers
... but there is no reason you would not add the simple "+" to make them work from everywhere! (tel:+1847... would work for calling a US number from anywhere in the world).
– Ecuador
May 4 '17 at 13:42
...
Node.js vs .Net performance
...e technologies really differ. ASP.NET dedicates a thread for each request from its thread pool, and once ASP.NET has exhausted all the available threads requests begin to get queued up. If you're serving "Hello World" apps like the example by @shankar, then this might not matter that much because t...
nodejs vs node on ubuntu 12.04
I installed nodejs on ubuntu from instructions given here
20 Answers
20
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Ways to circumvent the same-origin policy
...company.com.
With this method, you would be allowed to exectue javascript from an iframe sourced on a subdomain on a page sourced on the main domain. This method is not suited for cross-domain resources as browsers like Firefox will not allow you to change the document.domain to a completely alien ...
Property getters and setters
...roperties; such properties do not have storage in the instance - the value from the getter is meant to be computed from other instance properties. In your case, there is no x to be assigned.
Explicitly: "How can I do this without explicit backing ivars". You can't - you'll need something to backu...
How to prevent a click on a '#' link from jumping to top of page?
...
In jQuery, when you handle the click event, return false to stop the link from responding the usual way prevent the default action, which is to visit the href attribute, from taking place (per PoweRoy's comment and Erik's answer):
$('a.someclass').click(function(e)
{
// Special stuff to do whe...