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Shiro vs. SpringSecurity [closed]

...ation environment. That means Shiro's Spring integration is superb and it all works exceptionally well. You can rest assured that if you're writing a Spring app, you'll have a well-rounded security experience. For example, consider the Spring XML config example in another post in this thread. He...
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“using namespace” in c++ headers

In all our c++ courses, all the teachers always put using namespace std; right after the #include s in their .h files. This seems to me to be dangerous since then by including that header in another program I will get the namespace imported into my program, maybe without realizing, intending or...
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What are some (concrete) use-cases for metaclasses?

...a couple functions I found that I was able to increment the figure count, call draw manually, etc, but I needed to do these before and after every plotting call. So to create both an interactive plotting wrapper and an offscreen plotting wrapper, I found it was more efficient to do this via metacla...
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What to do about a 11000 lines C++ source file?

...t. Move this into its own file, and for that matter into its own class, in all branches. Because it's stable, this won't cause (many) "awkward" merges that have to be applied to a different file from the one they were originally made on, when you merge the change from one branch to another. Repeat. ...
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Reset CSS display property to default value

... value, not the browser default. The spec itself makes this note under the all property: For example, if an author specifies all: initial on an element it will block all inheritance and reset all properties, as if no rules appeared in the author, user, or user-agent levels of the cascade. This can ...
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What is the right way to check for a null string in Objective-C?

...that people who are new to Objective C have trouble getting used to, especially coming form other languages where messages/method calls to nil crash. share | improve this answer | ...
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What is the effect of extern “C” in C++?

...very compiler is required to provide "C" linkage A linkage specification shall occur only in namespace scope All function types, function names and variable names have a language linkage See Richard's Comment: Only function names and variable names with external linkage have a language linkage Two ...
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How to use shell commands in Makefile

... With: FILES = $(shell ls) indented underneath all like that, it's a build command. So this expands $(shell ls), then tries to run the command FILES .... If FILES is supposed to be a make variable, these variables need to be assigned outside the recipe portion, e.g.: F...
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How can I explicitly free memory in Python?

...do its job. That said, if the OP is in a situation where he is suddenly deallocating a lot of objects (like in the millions), gc.collect may prove useful. – Jason Baker Aug 22 '09 at 19:53 ...
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ASP.NET: This method cannot be called during the application's pre-start initialization stage

... I see. It automatically defines security and membership rules so you have to override them before you add custom ones. Tricky. – Jonathan Allen May 25 '11 at 8:46 ...