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How to detect when an Android app goes to the background and come back to the foreground
...application is started for the first time and before it is killed. You can read more in Activity.
There isn't any direct approach to get the application status while in the background or foreground, but even I have faced this issue and found the solution with onWindowFocusChanged and onStop.
For m...
Case objects vs Enumerations in Scala
...=>
}
As @chaotic3quilibrium pointed out (with some corrections to ease reading):
Regarding "UnknownCurrency(code)" pattern, there are other ways to handle not finding a currency code string than "breaking" the closed set nature of the Currency type. UnknownCurrency being of type Currency can no...
How expensive is RTTI?
...w" ABI in version 3.0; the "old" ABI was used in 2.95 and earlier, if I am reading their changelogs correctly.
[2] I couldn't find any resource listing std::type_info object stability by platform. For compilers I had access to, I used the following: echo "#include <typeinfo>" | gcc -E -dM -x ...
Fastest way to list all primes below N
... mine, makes me pretty proud then. :) The URL was also very interesting to read. Thanks again.
– jbochi
Jan 15 '10 at 0:13
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C++ Build Systems - What to use? [closed]
...(i.e. .tup/mnt/@tupjob-XXXXX) as the working directory in order to monitor reads/writes, enforcing the build configuration. It works well, unless the path is stored absolutely (i.e. with symbols). When you compile a binary, the symbol path is stored in the binary itself. That means when GDB tries to...
What should main() return in C and C++?
... 0 and non-zero are correct but entirely meaningless to someone reading your code. This question is proof that people don't know what valid/invalid codes are. EXIT_SUCCESS/EXIT_FAILURE are much more clear.
– JaredPar
Oct 15 '08 at 16:32
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What is the strict aliasing rule?
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Isn't it undefined behaviour to read from an union member different from the last one written to?
– R. Martinho Fernandes
Sep 6 '11 at 14:41
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Is there any significant difference between using if/else and switch-case in C#?
...ntax isn't quite like anything else and I find that they make my code less readable, is it worth bothering to use switch statements, or should I just program with else ifs and only come back and replace them if I hit performance bottlenecks?
– Jason Masters
Jan...
How do you detect Credit card type based on number?
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@alastair did you read the expressions before commenting? They were written specifically to use the IIN, so I don't understand what you're trying to say. Furthermore, the IIN can be used to identify the card issuer, but not validate. 5412, for...
Cross-browser testing: All major browsers on ONE machine
... This guide teaches how to get IE6 and 7 as well, but these browsers are already dead, or close to dead. IE8 is the last supported version of Internet Explorer on Windows XP, which is still used a lot.
Remark
These days, most web browsers use some form of rapid releases with automated updates. Wh...