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Why are dashes preferred for CSS selectors / HTML attributes?
In the past I've always used underscores for defining class and id attributes in HTML. Over the last few years I changed over to dashes, mostly to align myself with the trend in the community , not necessarily because it made sense to me.
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map vs. hash_map in C++
I have a question with hash_map and map in C++. I understand that map is in STL, but hash_map is not a standard. What's the difference between the two?
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DTO and DAO concepts and MVC [closed]
1) Why do we use DTO and DAO , and when should we use them. I am developing a GUI Java software to do with inserting, editing, deleting data. But I am struggling to distinguish between DTO/DAO and Model , View , Controller (MVC) Structure? Are they similar, which is better to use when i...
How do I stop Skype from using HTTP or HTTPS ports 80 and 443? [closed]
I installed the Apache web server on my Windows 7 machine and I'm unable to start it because Skype.exe is already using HTTP port 80 and HTTPS port 443.
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Equivalent of LIMIT and OFFSET for SQL Server?
In PostgreSQL there is the Limit and Offset keywords which will allow very easy pagination of result sets.
16 Answers
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In Python, when to use a Dictionary, List or Set?
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A list keeps order, dict and set don't: when you care about order, therefore, you must use list (if your choice of containers is limited to these three, of course;-).
dict associates with each key a value, while list and set just contain values: ver...
What is the basic difference between the Factory and Abstract Factory Design Patterns? [closed]
What is the basic difference between the Factory and Abstract Factory Patterns?
19 Answers
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What is the difference between declarative and imperative programming? [closed]
I have been searching the web looking for a definition for declarative and imperative programming that would shed some light for me. However, the language used at some of the resources that I have found is daunting - for instance at Wikipedia .
Does anyone have a real-world example that they could ...
Which encoding opens CSV files correctly with Excel on both Mac and Windows?
...s CSV files containing foreign characters with UTF-8, no BOM. Both Windows and Mac users get garbage characters in Excel. I tried converting to UTF-8 with BOM; Excel/Win is fine with it, Excel/Mac shows gibberish. I'm using Excel 2003/Win, Excel 2011/Mac.
Here's all the encodings I tried:
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How to “perfectly” override a dict?
..._contains__
# free setdefault, __eq__, and so on
import pickle
# works too since we just use a normal dict
assert pickle.loads(pickle.dumps(s)) == s
I wouldn't subclass dict (or other builtins) directly. It often makes no sense, because what you actually want t...