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C++ auto keyword. Why is it magic?

From all the material I used to learn C++, auto has always been a weird storage duration specifier that didn't serve any purpose. But just recently, I encountered code that used it as a type name in and of itself. Out of curiosity I tried it, and it assumes the type of whatever I happen to assig...
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How to get a number of random elements from an array?

... @Derek朕會功夫 Ah, clever, that works much better for small samples from large ranges indeed. Especially with using an ES6 Set (which wasn't available in '13 :-/) – Bergi Aug 8 '17 at 0:22 ...
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How to place the ~/.composer/vendor/bin directory in your PATH?

I'm on Ubuntu 14.04 and I've been trying all possible methods to install Laravel to no avail. Error messages everything I try. I'm now trying the first method in the quickstart documentation, that is, via Laravel Installer, but it says to "Make sure to place the ~/.composer/vendor/bin directory in...
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Backbone View: Inherit and extend events from parent

...: var ChildView = ParentView.extend({ events: function(){ return _.extend({},ParentView.prototype.events,{ 'click' : 'onclickChild' }); } }); Another would be: var ParentView = Backbone.View.extend({ originalEvents: { 'click': 'onclick' }, //Override th...
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What happened to “HelveticaNeue-Italic” on iOS 7.0.3

... You say you replaced all your uses with something else. What did you replace it with? We noticed that if you replace it with HelveticaNeue-MediumItalic in the XIB file, we get incorrect results on iOS 6 and earlier because that font appears to ha...
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Convert String to Type in C# [duplicate]

...he type (with its namespace, of course) if the type is in mscorlib or the calling assembly. Otherwise, you've got to include the assembly name as well: Type type = Type.GetType("Namespace.MyClass, MyAssembly"); If the assembly is strongly named, you've got to include all that information too. See...
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How to find all occurrences of a substring?

...or m in re.finditer('(?=tt)', 'ttt')] #[0, 1] If you want a reverse find-all without overlaps, you can combine positive and negative lookahead into an expression like this: search = 'tt' [m.start() for m in re.finditer('(?=%s)(?!.{1,%d}%s)' % (search, len(search)-1, search), 'ttt')] #[1] re.fin...
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How is an HTTP POST request made in node.js?

...PostCode(codestring) { // Build the post string from an object var post_data = querystring.stringify({ 'compilation_level' : 'ADVANCED_OPTIMIZATIONS', 'output_format': 'json', 'output_info': 'compiled_code', 'warning_level' : 'QUIET', 'js_code' : codestring })...
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NSLog with CGPoint data

I have a CGPoint called point that is being assigned a touch: 6 Answers 6 ...
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Adding a favicon to a static HTML page

...t's 16x16px and it's sitting in the same directory as the HTML file; it's called favicon.ico) as the "tab" icon as it were? I have read up on Wikipedia and looked at a few tutorials and have implemented the following: ...