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Delegates in swift?
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It is not that different from obj-c.
First, you have to specify the protocol in your class declaration, like following:
class MyClass: NSUserNotificationCenterDelegate
The implementation will look like following:
// NSUse...
Make JQuery UI Dialog automatically grow or shrink to fit its contents
...ng certain options on the form new options will appear in the form causing it to grow taller. This can lead to a scenario where the main page has a scrollbar and the JQuery UI dialog has a scrollbar. This two-scrollbar scenario is unsightly and confusing for the user.
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What is the difference between . (dot) and $ (dollar sign)?
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The $ operator is for avoiding parentheses. Anything appearing after it will take precedence over anything that comes before.
For example, let's say you've got a line that reads:
putStrLn (show (1 + 1))
If you want to get rid of those parentheses, any of the following lines would also do t...
Try catch statements in C
.../catch blocks existent in another languages. Googled for a while this but with no result. From what I know, there is not such a thing as try/catch in C. However, is there a way to "simulate" them?
Sure, there is assert and other tricks but nothing like try/catch, that also catch the raised excepti...
What is the most accurate way to retrieve a user's correct IP address in PHP?
...ode seems to be pretty complete already, I cannot see any possible bugs in it (aside from the usual IP caveats), I would change the validate_ip() function to rely on the filter extension though:
public function validate_ip($ip)
{
if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE ...
How to make lists contain only distinct element in Python? [duplicate]
I have a list in Python, how can I make it's values unique?
10 Answers
10
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How do I parse a string with a decimal point to a double?
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if converting 12345678.12345678, it converts too 12345678.123457
– PUG
Dec 2 '11 at 16:18
5
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What does “Object reference not set to an instance of an object” mean? [duplicate]
I am receiving this error and I'm not sure what it means?
8 Answers
8
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How to implement an abstract class in ruby?
I know there is no concept of abstract class in ruby. But if at all it needs to be implemented, how to go about it? I tried something like...
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Why always ./configure; make; make install; as 3 separate steps?
...his script has lots of options that you should change. Like --prefix or --with-dir=/foo. That means every system has a different configuration. Also ./configure checks for missing libraries that should be installed. Anything wrong here causes not to build your application. That's why distros have pa...