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do { … } while (0) — what is it good for? [duplicate]
I've been seeing that expression for over 10 years now. I've been trying to think what it's good for. Since I see it mostly in #defines, I assume it's good for inner scope variable declaration and for using breaks (instead of gotos.)
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Mapping composite keys using EF code first
...his helps.
EDIT: I just found a blog post from Julie Lerman with links to all kinds of EF 6 goodness. You can find whatever you need here.
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Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f
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I've made sure all the class are already set, but the NSUnknownKeyException still comes out :(
– Zennichimaro
Apr 3 '13 at 3:40
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AngularJS For Loop with Numbers & Ranges
... You have to watch out for things like this. The range function will get called multiple times for each item in the list. You can get nasty memory leaks and you're generating a lot of function calls. It almost seems easier to put the collection inside the controller.
– Lucas ...
Compiling with g++ using multiple cores
Quick question: what is the compiler flag to allow g++ to spawn multiple instances of itself in order to compile large projects quicker (for example 4 source files at a time for a multi-core CPU)?
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How do you dynamically add elements to a ListView on Android?
Can anyone explain or suggest a tutorial to dynamically create a ListView in android?
7 Answers
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Remove ALL white spaces from text
... other RegEx modifiers available in JavaScript here.
If you want to match all whitespace, and not just the literal space character, use \s instead:
.replace(/\s/g,'')
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Difference between char* and const char*?
...dangerous, since you could do a segmetation fault memory, and if you are really smart you could hack the computer. That is why compilers always shown warnings in those implementations I think
– Daniel N.
May 15 '15 at 4:22
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Amazon S3 boto - how to create a folder?
...y S3 access tools like S3Fox show like a directory structure, but it's actually just a single file in a bucket.
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How do you add an in-app purchase to an iOS application?
How do you add an in-app purchase to an iOS app? What are all the details and is there any sample code?
5 Answers
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