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What is the difference between an int and an Integer in Java and C#?
... Integer:
Integer i = new Integer(6);
You could call some method on i:
String s = i.toString();//sets s the string representation of i
Whereas with an int:
int i = 6;
You cannot call any methods on it, because it is simply a primitive. So:
String s = i.toString();//will not work!!!
would...
In Vim, I'd like to go back a word. The opposite of `w`
...nd B to advance/go back a WORD (which
consists of a sequence of non-blank characters separated with white space, according to :h WORD).
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How does a garbage collector avoid an infinite loop here?
... in <filename unknown>:0
at System.IO.CStreamWriter.Write (System.String val) [0x00000] in <filename unknown>:0
at System.IO.TextWriter.Write (Int32 value) [0x00000] in <filename unknown>:0
at System.IO.TextWriter.WriteLine (Int32 value) [0x00000] in <filename unknown&g...
Why do C and C++ compilers allow array lengths in function signatures when they're never enforced?
... return bar;
}
You have to access the elements like this: foo.a[1]. The extra ".a" might look weird, but this trick adds great functionality to the C language.
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How to apply multiple styles in WPF
...es, my first approach was to create a constructor that takes any number of strings using the “params” keyword:
public MultiStyleExtension(params string[] inputResourceKeys)
{
}
My goal was to be able to write the inputs as follows:
<Button Style="{local:MultiStyle BigButtonStyle, GreenBut...
Passing an array by reference
...an be passed by reference OR by degrading to a pointer. For example, using char arr[1]; foo(char arr[])., arr degrades to a pointer; while using char arr[1]; foo(char (&arr)[1]), arr is passed as a reference. It's notable that the former form is often regarded as ill-formed since the dimension...
How to add calendar events in Android?
...endarContract.Events.CONTENT_URI) instead of setType, because with setType(string) it will crash on some devices!
– Informatic0re
Oct 2 '13 at 20:05
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In Rails, how do you render JSON using a view?
...le quotes to double quotes, as JSON (unlike JS) only accepts double-quoted strings.
– Abe Voelker
Jan 20 '12 at 20:27
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Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization
...lso often superior to RAII when dealing with shared immutable objects like strings which often have no clear owner and require no cleanup. It's unfortunate that more frameworks don't seek to combine GC and RAII, since most applications will have a mix of immutable objects (where GC would be best) a...
Java string split with “.” (dot) [duplicate]
...
You need to escape the dot if you want to split on a literal dot:
String extensionRemoved = filename.split("\\.")[0];
Otherwise you are splitting on the regex ., which means "any character".
Note the double backslash needed to create a single backslash in the regex.
You're getting an A...