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What is the cleanest way to get the progress of JQuery ajax request?
... percentComplete = evt.loaded / evt.total;
//Do something with upload progress here
}
}, false);
xhr.addEventListener("progress", function(evt) {
if (evt.lengthComputable) {
var percentComplete = evt.loaded / evt.total;
...
MySQL “WITH” clause
I'm trying to use MySQL to create a view with the "WITH" clause
8 Answers
8
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Singleton with Arguments in Java
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I'll make my point very clear: a singleton with parameters is not a singleton.
A singleton, by definition, is an object you want to be instantiated no more than once. If you are trying to feed parameters to the constructor, what is the point of the singleton?
You hav...
When should I release objects in -(void)viewDidUnload rather than in -dealloc?
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In addition to what has already been indicated, I wanted to elaborate more about logic behind -viewDidUnload.
One of the most important reasons for implementing it is that UIViewController subclasses commonly also contain owning...
Entity Framework: There is already an open DataReader associated with this Command
I am using Entity Framework and occasionally i will get this error.
17 Answers
17
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How can I convert an image into Base64 string using JavaScript?
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You can use the HTML5 <canvas> for it:
Create a canvas, load your image into it and then use toDataURL() to get the Base64 representation (actually, it's a data: URL, but it contains the Base64-encoded image).
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How do I restart a WPF application? [duplicate]
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I found this:
It works.
But.
Is there any better way?
System.Diagnostics.Process.Start(Application.ResourceAssembly.Location);
Application.Current.Shutdown();
sh...
How to add/update an attribute to an HTML element using JavaScript?
... a way that will add / update attribute using JavaScript. I know I can do it with setAttribute() function but that doesn't work in IE.
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Is Random class thread safe?
Is it valid to share one instance of the Random class between multiple threads? And to call nextInt(int) from multiple threads in particular?
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Is Fortran easier to optimize than C for heavy calculations?
...an be faster then C for heavy calculations. Is that really true? I must admit that I hardly know Fortran, but the Fortran code I have seen so far did not show that the language has features that C doesn't have.
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