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Most efficient way to check for DBNull and then assign to a variable?

... And once again, commenting on an SO question while away from my own computer (with dev tools on it) has proven to be a mistake! You are right; I'm surprised to learn that TryCast doesn't provide the same convenient functionality as C#'s as operator for Nullable(Of T) types. The cl...
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What is the best way to get all the divisors of a number?

... To expand on what Shimi has said, you should only be running your loop from 1 to the square root of n. Then to find the pair, do n / i, and this will cover the whole problem space. As was also noted, this is a NP, or 'difficult' problem. Exhaustive search, the way you are doing it, is about as ...
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What is a Memory Heap?

... Presumably you mean heap from a memory allocation point of view, not from a data structure point of view (the term has multiple meanings). A very simple explanation is that the heap is the portion of memory where dynamically allocated memory resides...
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how to change uiviewcontroller title independent of tabbar item title

...e tabBarItem onto the navigation controller instead for it to be picked up from the tab bar controller. None of the answers posted by others worked for me because my tab bar's view controllers all have navigation controllers at their root - this is a common hierarchy pattern for UITabBarController....
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JPA: unidirectional many-to-one and cascading delete

... the parent with the child in both directions. Cascading REMOVE operations from the parent to the child will require a relation from the parent to the child (not just the opposite). You'll therefore need to do this: Either, change the unidirectional @ManyToOne relationship to a bi-directional @Ma...
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Unique combination of all elements from two (or more) vectors

I am trying to create a unique combination of all elements from two vectors of different size in R. 5 Answers ...
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React.js: onChange event for contentEditable

... better use {...this.props} so that the client can customize this behavior from the outside – Sebastien Lorber Jun 11 '15 at 12:49 1 ...
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Can I browse other people's (Apple) bug reports? [closed]

...f I can't look up their bug reports by ID)? I guess perchance that someone from Apple who organizes bug reports is reading Stack Overflow? – ma11hew28 Jun 26 '14 at 15:20 ...
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Remove all subviews?

...views: [[someUIView subviews] makeObjectsPerformSelector:@selector(removeFromSuperview)]; Thank you to Tommy for pointing out that makeObjectsPerformSelector: appears to modify the subviews array while it is being enumerated (which it does for NSView, but not for UIView). Please see this SO que...
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Fixing slow initial load for IIS

... the app pool will also recycle by default every 1740 minutes (29 hours). From technet: Internet Information Services (IIS) application pools can be periodically recycled to avoid unstable states that can lead to application crashes, hangs, or memory leaks. As long as app pool recycling i...