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Android ListView with different layouts for each row

... Since you know how many types of layout you would have - it's possible to use those methods. getViewTypeCount() - this methods returns information how many types of rows do you have in your list getItemViewType(int position) - returns information which layout type you should use based ...
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How does Windows 8 Runtime (WinRT / Windows Store apps / Windows 10 Universal App) compare to Silver

...ere. It does add quite a lot of new concepts in comparison to COM of old, most of which come directly from .NET - for example, WinRT object model has delegates, and events are done .NET-style (with delegates and add/remove subscriber methods, one per event) rather than the old COM model of event sou...
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What are best practices that you use when writing Objective-C and Cocoa? [closed]

...onse:(NSCachedURLResponse *)cachedResponse { return nil; } I find most web calls are very singular and it's more the exception than the rule you'll be wanting responses cached, especially for web service calls. Implementing the method as shown disables caching of responses. Also of interes...
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throwing exceptions out of a destructor

Most people say never throw an exception out of a destructor - doing so results in undefined behavior. Stroustrup makes the point that "the vector destructor explicitly invokes the destructor for every element. This implies that if an element destructor throws, the vector destruction fails... The...
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MPICH vs OpenMPI

... Purpose First, it is important to recognize how MPICH and Open-MPI are different, i.e. that they are designed to meet different needs. MPICH is supposed to be high-quality reference implementation of the latest MPI standard and...
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When should we use mutex and when should we use semaphore

...ut your thread is not allowed to sleep. e.g.: An interrupt handler within OS kernel must never sleep. If it does the system will freeze / crash. If you need to insert a node to globally shared linked list from the interrupt handler, acquire a spinlock - insert node - release spinlock. ...
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FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)

...sing System.Text; using Android.App; using Android.Content; using Android.OS; using Android.Runtime; using Android.Util; using Android.Views; using Android.Widget; using Java.Lang; using Android.Support.V4.View; using Fragment = Android.App.Fragment; namespace Support4 { [Activity (Label = "...
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Updating packages in Emacs

...resh-contents unconditionally tries to download a package list from all repos you've added to package-archives; package-archive-contents is non nil if you have already downloaded the package list. ELPA is the original. I don't think it's really maintained anymore, but I'm not sure. I don't use it....
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Evaluating a mathematical expression in a string

...ily in other places. ''' class NumericStringParser(object): ''' Most of this code comes from the fourFn.py pyparsing example ''' def pushFirst(self, strg, loc, toks): self.exprStack.append(toks[0]) def pushUMinus(self, strg, loc, toks): if toks and toks[0] ==...
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How do I split a string on a delimiter in Bash?

...S on the same line as the read with no semicolon or other separator, as opposed to in a separate command, scopes it to that command -- so it's always "restored"; you don't need to do anything manually. – Charles Duffy Jul 6 '13 at 14:39 ...