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How to save a BufferedImage as a File
...tion e) {
// handle exception
}
It's important to surround the write call with a try block because, as per the API, the method throws an IOException "if an error occurs during writing"
Also explained are the method's objective, parameters, returns, and throws, in more detail:
Writes an image u...
Pan & Zoom Image
... tt.X = origin.X - v.X;
tt.Y = origin.Y - v.Y;
}
}
Finally don't forget to release the mouse capture.
private void image_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
image.ReleaseMouseCapture();
}
As for the selection handles for resizing this can be accompl...
The differences between .build, .create, and .create! and when should they be used?
...< 3.x
The most important part, however, is that these methods can be called through an association (has_many, etc.) to automatically link the two models.
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MySQL error: key specification without a key length
...h as VARCHAR(512) will force MySQL to auto-convert the VARCHAR(512) to a SMALLTEXT datatype, which subsequently fails with error 1170 on key length if the column is used as primary key or unique or non-unique index. To solve this problem, specify a figure less than 256 as the size for VARCHAR field....
.NET JIT potential error?
...di
00000012 push esi
00000013 mov ecx,ebx
00000015 call dword ptr ds:[00170210h] ; first unrolled call
0000001b push edi ; WRONG! does not increment oVec.y
0000001c push esi
0000001d mov ecx,ebx
0000001f ca...
Polymorphism with gson
...mmands. The command can be start, stop , some other type of command. Naturally I have polymorphism, and start/stop command inherit from command.
...
How to write asynchronous functions for Node.js
...difference is that they are not executed immediately but passed around as callbacks.
How should I implement error event handling correctly
Generally API's give you a callback with an err as the first argument. For example
database.query('something', function(err, result) {
if (err) handle(e...
When should I use the assets as opposed to raw resources in Android?
...older.
Since raw is a subfolder of Resources (res), Android will
automatically generate an ID for any file located inside it. This
ID is then stored in the R class that will act as a reference to
a file, meaning it can be easily accessed from other Android classes
and methods and even in Android XM...
How to vertically align elements in ?
...horizontal <ul> and I need to center each <li> in it vertically. My markup is below. Each <li> has a border, and I need the items as well as their contents to be in the middle vertically. Please help; I am new to CSS.
...
IE7 does not understand display: inline-block
...lay: inline;
zoom: 1;
By default, IE7 only supports inline-block on naturally inline elements (Quirksmode Compatibility Table), so you only need this hack for other elements.
zoom: 1 is there to trigger hasLayout behaviour, and we use the star property hack for setting the display to inline only...