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What are the benefits of dependency injection containers?
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For myself one of the main reasons to use an IoC (and make use of external configuration) is around the two areas of:
Testing
Production maintenance
Testing
If you split your testing into 3 scenarios (which is fairly normal in large scale development):
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Useless use of cat?
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I was not aware of the award until today when some rookie tried to pin the UUOC on me for one of my answers. It was a cat file.txt | grep foo | cut ... | cut .... I gave him a piece of my mind, and only after doing so visited the link he gave me referring to t...
When should we use mutex and when should we use semaphore
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Here is how I remember when to use what -
Semaphore:
Use a semaphore when you (thread) want to sleep till some other thread tells you to wake up. Semaphore 'down' happens in one thread (producer) and semaphore 'up' (for same semaphore) happens in anot...
How to recover stashed uncommitted changes
...anges which were very important among those stashed ones. Is there any way to get back those changes?
6 Answers
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What is a callback function?
... is a function that is "called at the back" of the function it is passed into.
Maybe a better name would be a "call after" function.
This construct is very useful for asynchronous behaviour where we want an activity to take place whenever a previous event completes.
Pseudocode:
// A function wh...
Programmatically open Maps app in iOS 6
Previous to iOS 6, opening a URL like this would open the (Google) Maps app:
12 Answers
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Image comparison - fast algorithm
I'm looking to create a base table of images and then compare any new images against that to determine if the new image is an exact (or close) duplicate of the base.
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Reintegrate can only be used if revisions X through Y were previously merged from to reintegra
Been using SVN branches with Tortoise 1.6. I've been periodically merging the trunk into the branch to keep it up to date.
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git + LaTeX workflow
...m writing a very long document in LaTeX. I have my work computer and my laptop, and I work on them both. I need to keep all the files synchronized between the two computers, and also would like to keep a revision history. I chose git as my DVCS, and I'm hosting my repository on my server. I'm also u...
Why are function pointers and data pointers incompatible in C/C++?
I have read that converting a function pointer to a data pointer and vice versa works on most platforms but is not guaranteed to work. Why is this the case? Shouldn't both be simply addresses into main memory and therefore be compatible?
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