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What is the difference between task and thread?
...or Vista, for example. On x86 Linux, the default is usually 2 MiB - again, allocated in page-sized chunks. (simplification) Erlang only uses one system thread per process, those 400 bytes refer to something similar to .NETs Task.
– Luaan
Jun 9 '16 at 16:13
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How can I produce an effect similar to the iOS 7 blur view?
...backgroundColor = [UIColor clearColor];
UIToolbar* bgToolbar = [[UIToolbar alloc] initWithFrame:myView.frame];
bgToolbar.barStyle = UIBarStyleDefault;
[myView.superview insertSubview:bgToolbar belowSubview:myView];
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Recursive lambda functions in C++11
...han std::function for 3 reasons: it doesn't require type erasure or memory allocation, it can be constexpr and it works properly with auto (templated) parameters / return type
– Ivan Sanz-Carasa
Sep 12 '18 at 8:14
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Aligning UIToolBar items
...nd right of your items
UIBarButtonItem *flexibleSpace = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil];
[toolbar setItems:[NSArray arrayWithObjects:flexibleSpace, settingsButton,deleteButton,aboutButton, flexibleSpace, nil]];
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Is there a concise way to iterate over a stream with indices in Java 8?
...() <= 1).collect( Collectors.toList() ); Less unboxing, and less memory allocation; as we're not creating a range stream anymore.
– Code Eyez
Jun 5 '18 at 17:26
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LINQ equivalent of foreach for IEnumerable
...he first case the developer 1) saves almost no typing and 2) unnecessarily allocates memory to store the entire sequence as a list before throwing it away. Think before you LINQ
– Mark Sowul
Jul 29 '13 at 4:21
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iOS: Access app-info.plist variables in code
... ofType: @"plist"];
NSMutableDictionary *dictplist =[[NSMutableDictionary alloc] initWithContentsOfFile:path];
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When to use virtual destructors?
...destructor called
So the destruction of the base pointer (which takes an allocation on derived object!) follows the destruction rule, i.e first the Derived, then the Base.
On the other hand, there is nothing like a virtual constructor.
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What is the difference between `-fpic` and `-fPIC` gcc parameters?
... below 2GB. Programs that require more than 2GB
of data must use "malloc" or "mmap" to allocate the data in the
heap instead of in the program's data segment.
When generating code for shared libraries, -fpic implies
-msmall-data and -fPIC implies -mlarge-data.
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What's the point of const pointers?
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What does it matter where they point it, it is a pointer allocated on the stack? The function can't mess that up. It makes far more sense to use read-only pointers when dealing with pointer-to-pointers. It is not the same thing as int const! I'll downvote this just for that mislead...