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What is the advantage of using abstract classes instead of traits?
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377
I can think of two differences
Abstract classes can have constructor parameters as well as t...
Concept of void pointer in C programming
...type must be aligned at boundary of the size of data type (e.g. pointer to 32-bit integer must be aligned at 4-byte boundary to be dereferenced).
For example, reading uint16_t from void*:
/* may receive wrong value if ptr is not 2-byte aligned */
uint16_t value = *(uint16_t*)ptr;
/* portable way o...
Examples of GoF Design Patterns in Java's core libraries
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+250
You c...
How can I configure Logback to log different levels for a logger to different destinations?
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63
Update: For an all configuration based approach using Groovy see Dean Hiller's answer.
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You ...
overlay opaque div over youtube iframe
...e:
<iframe class="youtube-player" type="text/html" width="520" height="330" src="http://www.youtube.com/embed/NWHfY_lvKIQ?wmode=opaque" frameborder="0"></iframe>
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last day of month calculation
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349
Calendar.getInstance().getActualMaximum(Calendar.DAY_OF_MONTH);
This returns actual maximum ...
What is a mixin, and why are they useful?
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733
A mixin is a special kind of multiple inheritance. There are two main situations where mixins ...
What are the primary differences between TDD and BDD? [closed]
...an opinion about BDD as "TDD done right" by Jeremy D. Miller
March 25, 2013 update
The video above has been missing for a while. Here is a recent one by Llewellyn Falco, BDD vs TDD (explained). I find his explanation clear and to the point.
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Updating a local repository with changes from a GitHub repository
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answered Sep 18 '09 at 8:31
James HealyJames Healy
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