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Real mouse position in canvas [duplicate]
... the element itself.
Example of integration in your code:
//put this outside the event loop..
var canvas = document.getElementById("imgCanvas");
var context = canvas.getContext("2d");
function draw(evt) {
var pos = getMousePos(canvas, evt);
context.fillStyle = "#000000";
context.fill...
Make column not nullable in a Laravel migration
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...
Should I use @EJB or @Inject
...te some time now. @Inject can inject any managed bean and is a part of the new CDI specification (since Java EE 6).
In simple cases you can simply change @EJB to @Inject. In more advanced cases (e.g. when you heavily depend on @EJB's attributes like beanName, lookup or beanInterface) than in order ...
Best way to specify whitespace in a String.Split operation
... = myStr.Split(null); //Or myStr.Split()
or:
string[] ssize = myStr.Split(new char[0]);
then white-space is assumed to be the splitting character. From the string.Split(char[]) method's documentation page.
If the separator parameter is null or contains no characters, white-space characters are as...
How to use regex in String.contains() method in Java
...e word store without s.
. normally match any character except a number of new line characters. (?s) at the beginning makes . matches any character without exception (thanks to Tim Pietzcker for pointing this out).
share
...
How do you move a file?
...just realized it probably didn't work because I hadn't added/committed the new directory yet
– Joe Phillips
Jul 12 '11 at 21:49
...
Why can't a 'continue' statement be inside a 'finally' block?
...tem in list)
{
try
{
throw new Exception("What now?");
}
finally
{
continue;
}
}
}
catch
{
//do I get hit?
}
}
The Dreaded Goto
public static void Goto()...
What do ellipsis […] mean in a list?
... to see a nice picture showing what's happening.
Now, regarding the three new items after your edit:
This answer seems to cover it
Ignacio's link describes some possible uses
This is more a topic of data structure design than programming languages, so it's unlikely that any reference is found in ...
PHP: exceptions vs errors?
...s of turning most of these things into catchable exceptions (by means of a new Throwable interface), giving a much more expressive and absolute way to distinguish and properly hand both real problems and advisory messages
– DaveRandom
Aug 14 '15 at 20:15
...
Git Ignores and Maven targets
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...