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What is the definition of “interface” in object oriented programming
...s (e.g., cable programming) and has outputs (display on the screen, sound, etc.). However, when you look at a TV that is not plugged in, you are projecting your expected semantics into an interface. For all you know, the TV could just explode when you plug it in. However, based on its "interface" yo...
Is there hard evidence of the ROI of unit testing?
...spent learning the testing framework, writing tests, keeping them updated, etc.. will pay for itself, and then some.
11 Ans...
How can I see the SQL generated by Sequelize.js?
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What does the git index contain EXACTLY?
...ndex file has the following format
All binary numbers are in network byte order.
Version 2 is described here unless stated otherwise.
A 12-byte header consisting of:
4-byte signature:
The signature is { 'D', 'I', 'R', 'C' } (stands for "dircache")
4-byte version number:
The current supported ver...
If unit testing is so great, why aren't more companies doing it? [closed]
...ests are green, the product works as intended (except for usability issues etc). My experience is that the total development time is almost not affected at all. You spend more time on things, and get them right the first time around rather than after time spent on bug fixing.
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What kind of virtual machine is BEAM (the Erlang VM)?
...S processes it uses resources provided by the OS like memory, i/o devices, etc. So everything specifically Erlang like processes/fault-tolerance/applications/etc is handled inside the Erlang VM process.
– rvirding
Oct 20 '13 at 18:54
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unix - head AND tail of file
... of its input, there is no guaranteed that it didn't consume more of it in order to find the 10th line ending, leaving less of the input for less to display.
– chepner
Feb 12 '16 at 16:58
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Using custom std::set comparator
I am trying to change the default order of the items in a set of integers to be lexicographic instead of numeric, and I can't get the following to compile with g++:
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What is reflection and why is it useful?
...is in Java (imagine the object in question is foo) :
Method method = foo.getClass().getMethod("doSomething", null);
method.invoke(foo, null);
One very common use case in Java is the usage with annotations. JUnit 4, for example, will use reflection to look through your classes for methods tagged w...
SSO with CAS or OAuth?
... 2.0 to create an authentication protocol, which is what Facebook/LinkedIn etc. have done; the only standardized extension of OAuth 2.0 that provides authentication is OpenID Connect, which is the designated successor of OpenID
– Hans Z.
Jan 3 '15 at 16:55
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