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What is the difference between a framework and a library?
...example, on Mac OS X frameworks are just libraries, packed into a bundle. Within the bundle you will find an actual dynamic library (libWhatever.dylib). The difference between a bare library and the framework on Mac is that a framework can contain multiple different versions of the library. It can c...
When should I use a struct instead of a class?
...oosing Between Classes and Structures.
Basically, that page gives you a 4-item checklist and says to use a class unless your type meets all of the criteria.
Do not define a structure unless the
type has all of the following
characteristics:
It logically represents a single value,...
What is the difference between Serialization and Marshaling?
...ques (such as RPC), the term "Marshaling" is used but don't understand how it differs from Serialization. Aren't they both transforming objects into series of bits?
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Function pointers, Closures, and Lambda
...nd, as I was reading the K&R chapter on the subject, the first thing that hit me was, "Hey, this is kinda like a closure." I knew this assumption is fundamentally wrong somehow and after a search online I didn't find really any analysis of this comparison.
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Is there a CSS selector for elements containing certain text?
...named attribute in an element. I don't see anything for matching content within an element, though.
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Multiple returns from a function
Is it possible to have a function with two returns like this:
31 Answers
31
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Explaining Apache ZooKeeper
I am trying to understand ZooKeeper, how it works and what it does. Is there any application which is comparable to ZooKeeper?
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What's the best way to put a c-struct in an NSArray?
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NSValue doesn't only support CoreGraphics structures – you can use it for your own too. I would recommend doing so, as the class is probably lighter weight than NSData for simple data structures.
Simply use an expression like the following:
[NSValue valueWithBytes:&p objCType:@encode(M...
How can I make XSLT work in chrome?
I have an XML document here that is served with a corresponding XSL file . The transformation is left to be executed client-side, without JavaScript.
...
Difference between array_map, array_walk and array_filter
...nput array(s) while array_walk can; in particular, array_map never changes its arguments.
Array Keys Access:
array_map cannot operate with the array keys, array_walk can.
Return Value:
array_map returns a new array, array_walk only returns true. Hence, if you don't want to create an array as a...