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range over interface{} which stores a slice
...t interface{}) {
switch t := t.(type) {
case []string:
for _, value := range t {
fmt.Println(value)
}
case []int:
for _, value := range t {
fmt.Println(value)
}
}
}
Check out the code on the playground.
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What is the real overhead of try/catch in C#?
... to make here:
Firstly, there is little or NO performance penalty in actually having try-catch blocks in your code. This should not be a consideration when trying to avoid having them in your application. The performance hit only comes into play when an exception is thrown.
When an exception is th...
How can I get Express to output nicely formatted HTML?
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This worked, but I had to install a bunch of extra dependencies, namely promise, uglify-js, css and lexical-scope before it would run again (it would build, but crash on first request). I only added that one line.
– CWSpear
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Git push/clone to new server
...s something I can't work out. After creating and using a git repository locally on my Mac, can I push a copy to another server somewhere else? I am behind a firewall so unfortunately I can't run git clone from the other machine.
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How can I use getSystemService in a non-activity class (LocationManager)?
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You can go for this :
getActivity().getSystemService(Context.CONNECTIVITY_SERVICE);
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Is there any particular difference between intval and casting to int - `(int) X`?
... behavior is a little surprising given the fact that the function theoretically can do base conversion. It definitely tripped me up before, but perhaps I just need to RTFM a bit more carefully :)
– t-dub
Feb 10 '12 at 17:07
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List all tables in postgresql information_schema
What is the best way to list all of the tables within PostgreSQL's information_schema?
8 Answers
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C# Interfaces. Implicit implementation versus Explicit implementation
...ImplementedException();
}
The difference is that implicit implementation allows you to access the interface through the class you created by casting the interface as that class and as the interface itself. Explicit implementation allows you to access the interface only by casting it as the interfa...
javascript scroll event for iPhone/iPad?
... onscroll only after you've stopped scrolling.
The usual way of installing the handler works e.g.
window.addEventListener('scroll', function() { alert("Scrolled"); });
// or
$(window).scroll(function() { alert("Scrolled"); });
// or
window.onscroll = function() { alert("Scrolled"); };
// etc...
How do I convert a Ruby class name to a underscore-delimited symbol?
...ow can I programmatically turn a class name, FooBar , into a symbol, :foo_bar ? e.g. something like this, but that handles camel case properly?
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