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How does the paste image from clipboard functionality work in Gmail and Google Chrome 12+?
...define a "paste" event handler and look at event.clipboardData.items, and call getAsFile() on them to get a Blob. Once you have a Blob, you can use FileReader on it to see what's in it. This is how you can get a data url for the stuff you just pasted in Chrome:
// window.addEventListener('paste',...
Return XML from a controller's action in as an ActionResult?
...aled class XmlActionResult : ActionResult
{
private readonly XDocument _document;
public Formatting Formatting { get; set; }
public string MimeType { get; set; }
public XmlActionResult(XDocument document)
{
if (document == null)
throw new ArgumentNullExcepti...
What is so special about Generic.xaml?
...rrent Windows theme e.g. on Vista using the Aero theme, the dictionary is called Aero.NormalColor.xaml, on XP using the default theme it is Luna.NormalColor.xaml. If the style is not found in the theme dictionary, it looks in Generic.xaml i.e for controls whose look doesn't depend on the theme.
Thi...
MySQL search and replace some text in a field
... @inemanja, @Air without the WHERE clause you do an UPDATE on all the rows...
– Alexis Wilke
Jun 25 '15 at 3:37
7
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Image comparison - fast algorithm
...ow.
The second method uses only elementary image processing, and is potentially faster than the first approach, and is straightforward to implement. However, what it gains in understandability, it lacks in robustness -- matching fails on scaled, rotated, or discolored images.
The third method is bo...
What is a rune?
...hey represent unicode codepoints. For example, the rune literal 'a' is actually the number 97.
Therefore your program is pretty much equivalent to:
package main
import "fmt"
func SwapRune(r rune) rune {
switch {
case 97 <= r && r <= 122:
return r - 32
case 65 &l...
Creating an array of objects in Java
...is:
A a1;
A a2;
A a3;
A a4;
Now you couldn't do a1.someMethod() without allocating a1 like this:
a1 = new A();
Similarly, with the array you need to do this:
a[0] = new A();
...before using it.
share
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Pushing read-only GUI properties back into ViewModel
...
I wonder if you could do some trickery to automatically attach the properties, without needing Observe. But this looks like a fine solution. Thanks!
– Joe White
Jul 5 '09 at 12:58
...
How is std::function implemented?
According to the sources I have found, a lambda expression is essentially implemented by the compiler creating a class with overloaded function call operator and the referenced variables as members. This suggests that the size of lambda expressions varies, and given enough references variables tha...
How to use z-index in svg elements?
...id="two" fill="orange" cx="100" cy="95" r="20" />
<!-- Finally draw again the green circle over the current canvas -->
<use xlink:href="#one"/>
</svg>
Notes on SVG 2
SVG 2 Specification is the next major release and still supports the above features.
...