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Using do block vs braces {}
...ence order, when you use do, you're passing the block as an additional parameter, but when you use the brackets you're passing the block as the first parameter of the results of the method invocation(s) to the left.
– Alan Storm
Jan 23 '10 at 18:09
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ctypes - Beginner
...n this matter. It seems they expect only advanced python users would implement ctypes. Well i'm a beginner in python and need help.
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How to use Git properly with Xcode?
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I have worked on iPhone applications full time since the SDK launch, most of that time spent working on teams with multiple developers.
The truth is that it's way more harmful to disallow merging of that .pbxproj file than it is helpful. As you say, when you add a fi...
Conditions for automatic generation of default/copy/move ctor and copy/move assignment operator?
I want to refresh my memory on the conditions under which a compiler typically auto generates a default constructor, copy constructor and assignment operator.
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Why not infer template parameter from constructor?
...question today is pretty simple: why can't the compiler infer template parameters from class constructors, much as it can do from function parameters? For example, why couldn't the following code be valid:
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Is ServiceLocator an anti-pattern?
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If you define patterns as anti-patterns just because there are some situations where it does not fit, then YES it's an anti pattern. But with that reasoning all patterns would also be anti patterns.
Instead we have to look if there are valid usages of the patterns, and for Service Locator ...
What are the pros and cons of performing calculations in sql vs. in your application
...rver, since that scales out; rather than a db server, which scales up)
volume of data (if you need to access/aggregate a lot of data, doing it at the db server will save bandwidth, and disk io if the aggregates can be done inside indexes)
convenience (sql is not the best language for complex work - ...
What is reflection and why is it useful?
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The name reflection is used to describe code which is able to inspect other code in the same system (or itself).
For example, say you have an object of an unknown type in Java, and you would like to call a 'doSomething' method on ...
Why Large Object Heap and why do we care?
...cts the heap. That's a very important optimization. It doesn't just make memory usage more efficient (no unused holes), it makes the CPU cache much more efficient. The cache is a really big deal on modern processors, they are an easy order of magnitude faster than the memory bus.
Compacting is d...
For i = 0, why is (i += i++) equal to 0?
...ppens is more involved than that - take a look at MSDN, 7.5.9 Postfix increment and decrement operators:
The run-time processing of a postfix increment or decrement operation of the form x++ or x-- consists of the following steps:
If x is classified as a variable:
x is evaluated ...