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Is there a way to iterate over a dictionary?
...Enumerator:
NSEnumerator *enumerator = [myDict keyEnumerator];
id key;
// extra parens to suppress warning about using = instead of ==
while((key = [enumerator nextObject]))
NSLog(@"key=%@ value=%@", key, [myDict objectForKey:key]);
...
What optimizations can GHC be expected to perform reliably?
...would be dangerous because the one (syntactic) use would translate into 99 extra evaluations of rhs. However, in this case, you would be very unlikely to want to inline it manually either. So essentially you can use the rule:
If you'd consider inlining a name that only appears once, the compiler wi...
Java: how to convert HashMap to array
I need to convert a HashMap<String, Object> to an array; could anyone show me how it's done?
12 Answers
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SQL Server: Examples of PIVOTing String data
...e found involve counting or summing up numbers. I just want to pivot some string data. For example, I have a query returning the following.
...
Should I store generated code in source control
...with "you have to do a commit every time you build". This should cause no extra commit because the only thing that should affect the commit is a change to the code which hence changes the generated source. So in effect you have to commit the generated code only when you're already commiting the ch...
Mac OS X Terminal: Map option+delete to “backward delete word”
...
Fantastic, that requires no extra setup. I notice <Esc> b and <Esc> f also work for jumping back or forwards one word.
– joeytwiddle
Feb 3 '15 at 9:31
...
Add CSS or JavaScript files to layout head from views or partial views
....ScriptFormat);
}
}
public class ItemRegistrar
{
private readonly string _format;
private readonly IList<string> _items;
public ItemRegistrar(string format)
{
_format = format;
_items = new List<string>();
}
public ItemRegistrar Add(string u...
How do I get a class instance of generic type T?
...Factory;
private final Class<T> genericType;
private final String RECORD_COUNT_HQL;
private final String FIND_ALL_HQL;
@SuppressWarnings("unchecked")
public AbstractHibernateDao()
{
this.genericType = (Class<T>) GenericTypeResolver.resolveTypeArgument(g...
How are Anonymous inner classes used in Java?
...r class can come useful when making an instance of an object with certain "extras" such as overriding methods, without having to actually subclass a class.
I tend to use it as a shortcut for attaching an event listener:
button.addActionListener(new ActionListener() {
@Override
public void ...
Should I use s and s inside my s?
...
For me, the unordered lists are extra markup that aren't really required. When I look at an HTML document, I want it to be as clean and easy to read as possible. It's already clear to the viewer that a list is being presented if proper indentation is used...