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Why is Java's Iterator not an Iterable?
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An iterator is stateful. The idea is that if you call Iterable.iterator() twice you'll get independent iterators - for most iterables, anyway. That clearly wouldn't be the case in your scenario.
For example, I can usually write:
public void iterateOver(Iterable<String&...
CS0120: An object reference is required for the nonstatic field, method, or property 'foo'
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It looks like you are calling a non static member (a property or method, specifically setTextboxText) from a static method (specifically SumData). You will need to either:
Make the called member static also:
static void setTextboxText(int resu...
System.Data.SQLite Close() not releasing database file
...nce and for all, so here is what I've found so far.
What happens when you call SQLiteConnection.Close() is that (along with a number of checks and other things) the SQLiteConnectionHandle that points to the SQLite database instance is disposed. This is done through a call to SQLiteConnectionHandle....
Function for Factorial in Python
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@J82: The concept used here is called recursion ( en.wikipedia.org/wiki/Recursion_(computer_science) ) - a function calling itself is perfectly fine and often useful.
– schnaader
Nov 7 '14 at 10:06
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Differences in string compare methods in C#
...therStringValue
Is not the same as stringValue.Equals().
The == operator calls the static Equals(string a, string b) method (which in turn goes to an internal EqualsHelper to do the comparison.
Calling .Equals() on a null string gets null reference exception, while on == does not.
Object.Referen...
how to schedule a job for sql query to run daily?
...b and a description on the 'General' tab.
Select 'Steps' on the left hand side of the window and click 'New' at the bottom.
In the 'Steps' window enter a step name and select the database you want the query to run against.
Paste in the T-SQL command you want to run into the Command window and click ...
Why does printf not flush after the call unless a newline is in the format string?
Why does printf not flush after the call unless a newline is in the format string? Is this POSIX behavior? How might I have printf immediately flush every time?
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Git, see a list of comments of my last N commits
...Nov 24 '12 at 14:47
Delan AzabaniDelan Azabani
70.5k2222 gold badges154154 silver badges189189 bronze badges
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How to prevent going back to the previous activity?
...ers to go back to. For instance, in your sign in activity, right after you call startActivity, call finish(). When the users hit the back button, they will not be able to go to the sign in activity because it has been killed off the stack.
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p vs puts in Ruby
...> #<T:0xb7ecc8b0 @i=42>
This follows directly from the .inspect call, but is not obvious in practice.
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