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ReadOnlyCollection or IEnumerable for exposing member collections?
...s a ReadOnlyCollection rather than an IEnumerable if the calling code only iterates over the collection?
5 Answers
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Android Fragment onClick button Method
...trying to invoke the method in my onClick (View v) XML, but does not work with Fragment. This is the error.
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JavaScript: Class.method vs. Class.prototype.method
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Yes, the first function has no relationship with an object instance of that constructor function, you can consider it like a 'static method'.
In JavaScript functions are first-class objects, that means you can treat them just like any object, in this case, you are only...
Why use def main()? [duplicate]
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Without the main sentinel, the code would be executed even if the script were imported as a module.
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Swift performSelector:withObject:afterDelay: is unavailable [duplicate]
I have an app in Objective C that I'm transitioning to Swift. In Objective C, I have this method:
3 Answers
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What is a word boundary in regex?
...parse numeric output, among other purposes) and cannot find a precise definition of \b ("word boundary"). I had assumed that -12 would be an "integer word" (matched by \b\-?\d+\b ) but it appears that this does not work. I'd be grateful to know of ways of matching space-separated numbers.
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How do I give text or an image a transparent background using CSS?
Is it possible, using CSS only, to make the background of an element semi-transparent but have the content (text & images) of the element opaque?
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jQuery event handlers always execute in order they were bound - any way around this? [duplicate]
It can be anoying that jQuery event handlers always execute in the order they were bound. For example:
10 Answers
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How would you count occurrences of a string (actually a char) within a string?
...ealised I wanted to count how many / s I could find in a string, and then it struck me, that there were several ways to do it, but couldn't decide on what the best (or easiest) was.
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Undo changes in entity framework entities
this might be a trivial question but: Since ADO.NET entity framework automatically tracks changes (in generated entities) and therefore keeps the original values, how can I rollback changes made to the entity objects?
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