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I'm new to ASP MVC and utilizing the Intro to ASP MVC 4 Beta tutorial http://www.asp.net/mvc/tutorials/mvc-4/getting-started-with-aspnet-mvc4/intro-to-aspnet-mvc-4
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In where shall I use isset() and !empty()
...TRUE , therefore isset() is not an effective way to validate text inputs and text boxes from a HTML form.
17 Answers
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How can I find the last element in a List?
... IMHO this doesn't deserve to be the top answer, it reads terribly and leaves the chance for an error if count is zero. The CleanCode™ approach would be to use Last/LastOrDefault as mentioned below.
– chillitom
Dec 4 '13 at 18:04
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Should I inherit from std::exception?
...t you throw at it, but can just catch the std::exception.
Edit: as Martin and others noted, you actually want to derive from one of the sub-classes of std::exception declared in <stdexcept> header.
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Ideal way to cancel an executing AsyncTask
I am running remote audio-file-fetching and audio file playback operations in a background thread using AsyncTask . A Cancellable progress bar is shown for the time the fetch operation runs.
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What is the difference between a string and a byte string?
I am working with a library which returns a byte string and I need to convert this to a string.
7 Answers
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Pattern to avoid nested try catch blocks?
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This assumes that Calc1Exception, Calc2Exception, and Calc3Exception share a common base class.
– Wyzard
Oct 17 '11 at 16:18
3
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Is there a difference between single and double quotes in Java?
Is there a difference between single and double quotes in Java?
4 Answers
4
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How can you use an object's property in a double-quoted string?
... # yields "abc.Length"
"$($bar.Length)" # yields "3"
PowerShell only expands variables in those cases, nothing more. To force evaluation of more complex expressions, including indexes, properties or even complete calculations, you have to enclose those in the subexpression operator $( ) which cau...
Does C have a “foreach” loop construct?
... \
for(T * item = list->head; item != NULL; item = item->next)
And can be used like
for_each_item(i, processes) {
i->wakeup();
}
Iteration over an array is also possible:
#define foreach(item, array) \
for(int keep = 1, \
count = 0,\
size = sizeof (...