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Passing a String by Reference in Java?
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zText[0] = "";
void fillString(String[] zText) { zText[0] += "foo"; }
From a performance point of view, the StringBuilder is usually the best option.
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node.js remove file
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I believe it comes from the POSIX standard. But you'd think they could add a delete alias!
– Nick
Sep 13 '12 at 8:04
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Where's my JSON data in my incoming Django request?
... Django < 1.4). This will give you the raw JSON data sent via the post. From there you can process it further.
Here is an example using JavaScript, jQuery, jquery-json and Django.
JavaScript:
var myEvent = {id: calEvent.id, start: calEvent.start, end: calEvent.end,
allDay: calEv...
CSS to stop text wrapping under image
...capable of triggering that behaviour. Quoting a presentation by Fiona Chan from Sydney Web Apps Group:
float: left / right
overflow: hidden / auto / scroll
display: table-cell and any table-related values / inline-block
position: absolute / fixed
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Differences in string compare methods in C#
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From MSDN:
"The CompareTo method was designed primarily for use in sorting or
alphabetizing operations. It should not be used when the primary
purpose of the method call is to determine whether two strings ar...
In C#, what happens when you call an extension method on a null object?
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Addition to the correct answer from Marc Gravell.
You could get a warning from the compiler if it is obvious that the this argument is null:
default(string).MyExtension();
Works well at runtime, but produces the warning "Expression will always cause a ...
Can I define a class name on paragraph using Markdown?
... a workaround:
<DIV class=foo>
Paragraphs here inherit class foo from above.
</div>
The downside of this is that the output code has <p> tags wrapping the <div> lines (both of them, the first because it's not and the second because it doesn't match. No browser fusses...
Converting a view to Bitmap without displaying it in Android?
...call view.draw(canvas);
here is the code:
public static Bitmap loadBitmapFromView(View v) {
Bitmap b = Bitmap.createBitmap( v.getLayoutParams().width, v.getLayoutParams().height, Bitmap.Config.ARGB_8888);
Canvas c = new Canvas(b);
v.layout(v.getLeft(), v.getTop(), v.get...
Python nonlocal statement
...A with an attribute x and a subclass B defined in it, you would refer to x from within B as A.x
– Anon
Aug 11 '09 at 18:37
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How to delete an object by id with entity framework
... It doesn't work with Azure SQL DataWarehouse due to error "A FROM clause is currently not supported in a DELETE statement.". But the raw SQL as in Jonik's answer works.
– Michael Freidgeim
Sep 8 '16 at 11:34
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