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What's the difference between hard and soft floating point numbers?
...s in integer registers. You can still compile your code with a -mfpu=vfp, etc but you should use -mfloat-abi=softfp so that if the libc needs a float it is passed in a way the library understands.
The Linux kernel can support emulation of the VFP instructions. Obviously, you are better off to com...
@RequestBody and @ResponseBody annotations in Spring
...rated. Both things will be mapped easily without writing any custom parser etc.
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Are non-synchronised static methods thread safe if they don't modify static class variables?
... share data between threads - you must take care of atomicity, visibility, etc.
This method only operates on parameters, which reside on stack and references to immutable objects on heap. Stack is inherently local to the thread, so no sharing of data occurs, ever.
Immutable objects (String in this...
What are some better ways to avoid the do-while(0); hack in C++?
...(RET(computation_result), ENSURE_SUCCESS(computation_result, return_code), etc.).
C++ offers extra tools over C:
The cleanup block functionality can be implemented as RAII, meaning you no longer need the entire cleanup block and enabling client code to add early return statements.
You throw whene...
Variable number of arguments in C++?
...builder pattern (as in operator<<() in streams) or default arguments etc. These are all safer: the compiler gets to know more about what you're trying to do so there are more occasions it can stop you before you blow your leg off.
...
How do you connect localhost in the Android emulator? [duplicate]
... not working for me. I have added custom name for my site in etc/hosts now I want to access mywebapp.local URL in android simulator how can I do that
– joy
May 19 at 11:05
...
Multiple returns from a function
...an array and return it; create a conditional to return a dynamic variable, etc.
For instance, this function would return $var2
function wtf($blahblah = true) {
$var1 = "ONe";
$var2 = "tWo";
if($blahblah === true) {
return $var2;
}
return $var1;
}
In application:
echo ...
Convert java.time.LocalDate into java.util.Date type
...
In order to create a java.util.Date from a java.time.LocalDate, you have to
add a time to the LocalDate
interpret the date and time within a time zone
get the number of seconds / milliseconds since epoch
create a java.util.Dat...
Are soft deletes a good idea? [duplicate]
...ry of change... soft delete away! Use cleanup processes for real deletions etc... PK :-)
– Paul Kohler
Mar 31 '10 at 1:49
35
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How do I define and use an ENUM in Objective-C?
...border on the view
if (border & BSTCMBorderRight) {
}
// Etc
}
@end
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