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Using smart pointers for class members
I'm having trouble understanding the usage of smart pointers as class members in C++11. I have read a lot about smart pointers and I think I do understand how unique_ptr and shared_ptr / weak_ptr work in general. What I don't understand is the real usage. It seems like everybody recommends using...
Create Directory if it doesn't exist with Ruby
... system will launch /bin/sh to parse the mkdir -p "foo/bar" string and then the shell will run /bin/mkdir. So you're doing extra work (create the command string, launch /bin/sh to pull it apart again) and some of that extra work leaves you open to shell injection attacks (spend some time in ...
AngularJS directive with default options
I'm just starting with angularjs, and am working on converting a few old JQuery plugins to Angular directives. I'd like to define a set of default options for my (element) directive, which can be overridden by specifying the option value in an attribute.
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Getting the value of an attribute in XML
... postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
Best way to turn an integer into a month name in c#?
...o turn 1 into January, I need to new up a date time with an arbitrary year and day, in order to just get January?
– DevelopingChris
Oct 20 '08 at 15:56
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Why Collections.sort uses merge sort instead of quicksort?
...es, as there is no notion of
identity as distinct from (value) equality. And the possibility of
quadratic behavior was deemed not to be a problem in practice for
Bentely and McIlroy's implementation (or subsequently for Dual Pivot
Quicksort), which is why these QuickSort variants were used f...
What does “all” stand for in a makefile?
...rning Makefiles but for me it is still unclear for what the target "all" stands for and what it does.
4 Answers
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ContextLoaderListener or not?
A standard spring web application (created by Roo or "Spring MVC Project" Template) create a web.xml with ContextLoaderListener and DispatcherServlet . Why do they not only use the DispatcherServlet and make it to load the complete configuration?
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Ruby: Change negative number to positive number?
...te value then this is definitely the better way.
– Brandon Bodnar
Mar 19 '10 at 22:41
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Does .NET have a way to check if List a contains all items in List b?
... }
}
This checks whether there are any elements in b which aren't in a - and then inverts the result.
Note that it would be slightly more conventional to make the method generic rather than the class, and there's no reason to require List<T> instead of IEnumerable<T> - so this would p...