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Vim delete blank lines

... Could someone explain what the tokens mean? (So, how does it work?) Thanks. – PAStheLoD Apr 19 '14 at 14:18 5 ...
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How do I call ::std::make_shared on a class with only protected or private constructors?

... suitable to hold an object of type T, shall be well formed. A shall be an allocator (17.6.3.5). The copy constructor and destructor of A shall not throw exceptions. Since the requirement is unconditionally specified in terms of that expression and things like scope aren't taken into account, I th...
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Objective-C class -> string like: [NSArray className] -> @“NSArray”

... Class arrayClass = NSClassFromString (name); id anInstance = [[arrayClass alloc] init]; share | improve this answer | follow | ...
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Make first letter of a string upper case (with maximum performance)

...lternative char.ToUpper(s[0]) + s.Substring(1), is that only one string is allocated, whereas the Substring approach allocates a string for the substring, then a second string to compose the final result. EDIT: Here is what this approach looks like, combined with the initial test from CarlosMuño...
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In c++ what does a tilde “~” before a function name signify?

...tc. Here's a description from ibm.com: Destructors are usually used to deallocate memory and do other cleanup for a class object and its class members when the object is destroyed. A destructor is called for a class object when that object passes out of scope or is explicitly deleted. See https:/...
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Custom Cell Row Height setting in storyboard is not responding

...ormance penalty as said @Brennan in comments, it also cause growing memory allocation at each reloadData something like memory leak! It's needed to use lensovet's workaround above! Spend a day to catch this memory leak! – skywinder May 28 '14 at 15:35 ...
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Convert NSData to String?

...oding:(NSStringEncoding)encoding Example: NSString *myString = [[NSString alloc] initWithData:myData encoding:NSUTF8StringEncoding]; Remark: Please notice the NSData value must be valid for the encoding specified (UTF-8 in the example above), otherwise nil will be returned: Returns nil if the ini...
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CSS background-image - What is the correct usage?

... must be escaped with a backslash so that the resulting URI value is a URI token: '\(', '\)'. So in instances such as these it is either necessary to use quotes or double quotes, or escape the characters. share | ...
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What is the difference between buffer and cache memory in Linux?

...el will run heuristics to reclaim the memory by storing the cache data and allocating that memory to new process. When any kind of file/data is requested then the kernel will look for a copy of the part of the file the user is acting on, and, if no such copy exists, it will allocate one new page of...
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Which C++ idioms are deprecated in C++11?

...eded. Type Safe Enum Enumerations are very safe in C++11. Prohibiting heap allocation: The = delete syntax is a much more direct way of saying that a particular functionality is explicitly denied. This is applicable to preventing heap allocation (i.e., =delete for member operator new), preventing co...