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Does Java casting introduce overhead? Why?
...ception.
Taken from JavaWorld: The cost of casting
Casting is used to convert between
types -- between reference types in
particular, for the type of casting
operation in which we're interested
here.
Upcast operations (also called
widening conversions in the Java
Language Spec...
Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?
...GPoint(cgPoint));
There are a number of functions provided by UIKit that convert the various CG structs into NSStrings. The reason it doesn't work is because %@ signifies an object. A CGPoint is a C struct (and so are CGRects and CGSizes).
...
Math - mapping numbers
...
As an aside, this is the same problem as the classic convert celcius to farenheit where you want to map a number range that equates 0 - 100 (C) to 32 - 212 (F).
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How do I get a consistent byte representation of strings in C# without manually specifying an encodi
How do I convert a string to a byte[] in .NET (C#) without manually specifying a specific encoding?
40 Answers
...
Upload files with HTTPWebrequest (multipart/form-data)
...tring url, string filename, Stream fileStream, byte [] fileBytes)
{
// Convert each of the three inputs into HttpContent objects
HttpContent stringContent = new StringContent(filename);
// examples of converting both Stream and byte [] to HttpContent objects
// representing input ty...
UPDATE multiple tables in MySQL using LEFT JOIN
... @colsUpd = STUF ((SELECT DISTINCT '], T1.[' + name,']=T2.['+name+'' FROM sys.columns
WHERE object_id = (
SELECT top 1 object_id
FROM sys.objects
WHERE name = ''+@TableNa...
How to use enums as flags in C++?
...
The enum values aren't integers, but they very easily convert to integers. The type of HasClaws | CanFly is some integer type, but the type of HasClaws is AnimalFlags, not an integer type.
– Karu
Apr 23 '12 at 23:33
...
Fit image into ImageView, keep aspect ratio and then resize ImageView to image dimensions?
...rix();
matrix.postScale(scale, scale);
// Create a new bitmap and convert it to a format understood by the ImageView
Bitmap scaledBitmap = Bitmap.createBitmap(bitmap, 0, 0, width, height, matrix, true);
width = scaledBitmap.getWidth(); // re-use
height = scaledBitmap.getHeight(...
C# 4 default parameter values: How to assign a default DateTime/object value? [duplicate]
...n below,
lblDate.Text = Date;
Also we can get the value,
DateTime dt = Convert.ToDateTime(label1.Text);
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In Android EditText, how to force writing uppercase?
... that the output of the Edittext is in All caps, then you have to manually convert the input String using toUpperCase() method of String class.
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