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What are the basic rules and idioms for operator overloading?
...ding: If you provide +, also provide +=, if you provide -, do not omit -=, etc. Andrew Koenig is said to have been the first to observe that the compound assignment operators can be used as a base for their non-compound counterparts. That is, operator + is implemented in terms of +=, - is implemente...
A simple explanation of Naive Bayes Classification
...o be trained for supervised learning tasks like classification, prediction etc. or for unsupervised learning tasks like clustering.
During the training step, the algorithms are taught with a particular input dataset (training set) so that later on we may test them for unknown inputs (which they hav...
What is the “Execute Around” idiom?
... - transaction handling, logging, executing some code with more privileges etc. It's basically a bit like the template method pattern but without inheritance.
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What are conventions for filenames in Go?
...GOPATH, some files are treated differently depending on their name format, etc)
– weberc2
Aug 6 '14 at 19:30
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Advantages of stateless programming?
...unexpected effect on global state, or read/write the registry/environment, etc.) I would posit that at least 1 in 3 'hard bugs' fall into this category.
Now if you switch to stateless/immutable/pure programming, all those bugs go away. You are presented with some new challenges instead (e.g. when...
What is the best way to do a substring in a batch file?
...s is zero based, so the first character is at position 0, the second at 1, etc.
To get substrings of argument variables such as %0, %1, etc. you have to assign them to a normal environment variable using set first:
:: Does not work:
@echo %1:~10,5
:: Assign argument to local variable first:
set v...
Facebook database design?
...d various triggers could fire to cascade events of friending, defriending, etc.
– Jesse C. Slicer
May 14 '12 at 22:05
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iPhone - Grand Central Dispatch main thread
... data on background queue -> signal main queue that message has arrived
etc etc
As to why you might want to dispatch to the main queue from the main queue... Well, you generally wouldn't although conceivably you might do it to schedule some work to do the next time around the run loop.
...
Which Boost features overlap with C++11?
... → std::ratio
Static Assert → static_assert
Thread → <thread>, etc (but check this question).
Typeof → auto, decltype
Value initialized → List-initialization (§8.5.4/3)
Math/Special Functions → <cmath>, see the list below
gamma function (tgamma), log gamma function (lgamm...
What is Dependency Injection and Inversion of Control in Spring Framework?
...ow how to call my code. This is achieved using events/delegates, callbacks etc. Here the Control of flow is "Inverted".
So, instead of depending the flow of control on statically bound objects, the flow depends upon the overall object graph and the relations between different objects.
Dependency I...