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How do Python's any and all functions work?
...respectively.
any
any will return True when at least one of the elements is Truthy. Read about Truth Value Testing.
all
all will return True only when all the elements are Truthy.
Truth table
+-----------------------------------------+---------+---------+
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Is it safe to ignore the possibility of SHA collisions in practice?
...ate the SHA-256 hash for the contents of each file.
The possibility of collision depends on:
3 Answers
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What is a ViewModelLocator and what are its pros/cons compared to DataTemplates?
Can someone give me a quick summary of what a ViewModelLocator is, how it works, and what the pros/cons are for using it compared to DataTemplates?
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Importing two classes with same name. How to handle?
...ould say that using two classes with the same name and a similiar function is usually not the best idea unless you can make it really clear which is which.
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jQuery Ajax calls and the Html.AntiForgeryToken()
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I use a simple js function like this
AddAntiForgeryToken = function(data) {
data.__RequestVerificationToken = $('#__AjaxAntiForgeryForm input[name=__RequestVerificationToken]').val();
return data;
};
Since every form on a page will have the same va...
PHP Get Site URL Protocol - http vs https
I've written a little function to establish the current site url protocol but I don't have SSL and don't know how to test if it works under https. Can you tell me if this is correct?
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browser sessionStorage. share between tabs?
I have some values in my site which I want to clear when the browser is closed. I chose sessionStorage to store those values. When tab is closed they are indeed cleared, and kept if the user presses f5; But if the user opens some link in a different tab these values are unavailable.
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How do I iterate over an NSArray?
....5+/iOS.
for (id object in array) {
// do something with object
}
This construct is used to enumerate objects in a collection which conforms to the NSFastEnumeration protocol. This approach has a speed advantage because it stores pointers to several objects (obtained via a single method call)...
Which is better, return value or out parameter?
... want to get a value from a method, we can use either return value, like this:
17 Answers
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Is this the right way to clean-up Fragment back stack when leaving a deeply nested stack?
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Well there are a few ways to go about this depending on the intended behavior, but this link should give you all the best solutions and not surprisingly is from Dianne Hackborn
http://groups.google.com/group/android-developers/browse_thread/thread/d2a5c203dad6ec42...