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NSLog an object's memory address in overridden description method
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To print address use %p format specifier and self pointer:
-(NSString *) description {
return [NSString stringWithFormat:@"<SomeClass: %p>\nparmeterOne: %@\nparameterTwo: %@",
self, self.parameterOne, self.paramterTwo];
}
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Constructors in Go
I have a struct and I would like it to be initialised with some sensible default values.
11 Answers
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When to create a new app (with startapp) in Django?
... modules or components than as "applications".
This helps me encapsulate and decouple certain features from one another, improving re-usability should I decide to share a particular "app" with the community at large, and maintainability.
My general approach is to bucket up specific features or fe...
What does an underscore in front of an import statement mean?
...river{})
Once it's registered in this way, sqlite3 can be used with the standard library's sql interface in your code like in the example:
db, err := sql.Open("sqlite3", "./foo.db")
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Get underlying NSData from UIImage
... UIImageJPEGRepresentation or UIImagePNGRepresentation will alter the data and do a reconversion. Is there any way to really achieve what was asked for?
– Patrik
Mar 12 '13 at 18:19
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The type 'string' must be a non-nullable type in order to use it as parameter T in the generic type
...simplify your code by using auto-implemented properties:
public class WordAndMeaning
{
public string Word { get; set; }
public string Meaning { get; set; }
}
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Truncate a list to a given number of elements
...t an out of bounds exception. Choose the minimum value of the desired size and the current size of the list as the ending index.
Lastly, note that the second argument should be one more than the last desired index.
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new DateTime() vs default(DateTime)
...s must be compile-time constants, which MinValue is not. default(DateTime) and new DateTime() are both valid though.(which is actually funny, because const DateTime x = default(DateTime) is not valid, since DateTime values cannot be declared as compile-time constants)
– Jerri K...
Autocomplete applying value not label to textbox
...s to update the input with ui.item.value. This code runs after your event handler.
Simply return false or call event.preventDefault() to prevent this from occurring. I would also recommend doing something similar for the focus event to prevent ui.item.value from being placed in the input as the us...
Why are exclamation marks used in Ruby methods?
...oo # prints modified foo
This will output:
a string
In the standard libraries, there are a lot of places you'll see pairs of similarly named methods, one with the ! and one without. The ones without are called "safe methods", and they return a copy of the original with changes applied...