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Is it bad practice to make a setter return “this”?
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I don't think there's anything specifically wrong with it, it's just a matter of style. It's useful when:
You need to set many fields at once (including at construction)
you know which fields you need to set at the time you're writing the code, and
there are m...
Difference between const & const volatile
...mize or reorder access to the object.
In an embedded system, this is typically used to access hardware registers that can be read and are updated by the hardware, but make no sense to write to (or might be an error to write to).
An example might be the status register for a serial port. Various b...
How to perform better document version control on Excel files and SQL schema files
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The answer I have written here can be applied in this case. A tool called xls2txt can provide human-readable output from .xls files. So in short, you should put this to your .gitattributes file:
*.xls diff=xls
And in the .git/config:
[diff "xls"]
binary = true
textconv = /path/to/...
How does one make random number between range for arc4random_uniform()?
so my goal in this codebit is to randomly roll two dice and as we all know your regular die only has 6 sides so I imported Foundation for access to arc4random_uniform(UInt32). I attempted using the range of (1..7) to avoid randomly getting 0 however that returned an error which I didn't enjoy too mu...
Why is there an unexplainable gap between these inline-block div elements? [duplicate]
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Since no one really bothered to explain why this happens... inline (and inline-block) elements respect whitespace in the markup, so what you're seeing is essentially the space character between "words" in the markup. Which is why setting a ...
Why do we not have a virtual constructor in C++?
...e and Technique FAQ Why don't we have virtual constructors?
A virtual call is a mechanism to get work done given partial
information. In particular, "virtual" allows us to call a function
knowing only any interfaces and not the exact type of the object. To
create an object you need complet...
Can you force Visual Studio to always run as an Administrator in Windows 8?
...Env\VSLauncher.exe file if you have multiple versions of Visual Studio installed. Also, the default paths to the devenv.exe files is: Visual Studio 2010 - C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\devenv.exe. Visual Studio 2012 - C:\Program Files (x86)\Microsoft Visual Studio 1...
Collection versus List what should you use on your interfaces?
...king interface change (of course changing the semantics of things like not allowing null may also be an interface change, but things like updating your internal class state would not be).
So by returning either a class that can be easily subclassed such as Collection<T> or an interface such a...
Circle drawing with SVG's arc path
... albeit drawn in two pieces.
None of this would matter if they would just allow textpaths to accept shapes. But I think they are avoiding that solution since shape elements like circle don't technically have a "start" point.
jsfiddle demo: http://jsfiddle.net/crazytonyi/mNt2g/
Update:
If you are us...
Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)
When you limit the number of rows to be returned by a SQL query, usually used in paging, there are two methods to determine the total number of records:
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