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How come a non-const reference cannot bind to a temporary object?
... The question "then why am I allowed to call non-const members?" is a good one, but I don't have better answer than the one I already stated above.
3) Well, if I'm right about x in X& x = getx().ref(); dying at the end of the statement, the problems are obvious.
Anyway, based on your questio...
Naming of enums in Java: Singular or Plural?
.... The thinking is that you're not selecting multiple Protocols, but rather one Protocol of the possible choices in the list of values.
Note the absence of plurals: http://docs.oracle.com/javase/tutorial/java/javaOO/enum.html
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Variable declaration placement in C
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Just to be pedantic, the erroneous declaration should be at least notified according to the C standard. So it should be an error or a warning in gcc. That is, don't trust that a program can be compile to mean that it is compliant.
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What does |= (ior) do in Python?
...d between dictionaries. Note: these are not the same as set operators mentioned above.
Given operations between two assigned dicts d1 and d2:
>>> d1 = d1 | d2 # 1
>>> d1 |= d2 # 2
where d1 is e...
Key hash for Android-Facebook app
...oid SDK, and I got
the readme.md (text file) in there, in which it is mentioned to generate
the key hash for Android. How do I generate it?
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Asp.net MVC ModelState.Clear
Can anyone give me a succinct definition of the role of ModelState in Asp.net MVC (or a link to one). In particular I need to know in what situations it is necessary or desirable to call ModelState.Clear() .
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Chrome's remote debugging (USB debugging) not working for Samsung Galaxy S3 running android 4.3
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Check if you get the prompt on your device, if you still can't see your phone in Inspect Devices run the following commands one by one (excluding the ")
"adb kill-server"
"adb start-server"
"adb devices"
I had major problems and managed to get it working with these steps. If you still have probl...
How do you detect Credit card type based on number?
... how to detect the type of credit card based purely on its number. Does anyone know of a definitive, reliable way to find this?
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How to delete a row by reference in data.table?
... assignment by reference versus copying in data.table . I want to know if one can delete rows by reference, similar to
6 ...
Override Java System.currentTimeMillis for testing time sensitive code
...actor that legacy code to use a replaceable clock. Ideally that should be done with dependency injection, but even if you used a replaceable singleton you would gain testability.
This could almost be automated with search and replace for the singleton version:
Replace Calendar.getInstance() with ...