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How to easily map c++ enums to strings
...(temp.str()); \
os << enumName << "::" << strings[static_cast<int>(value)]; \
return os;}
To use it in your code, simply do:
AWESOME_MAKE_ENUM(Animal,
DOG,
CAT,
HORSE
);
auto dog = Animal::DOG;
std::cout<<dog;
...
How to get UTC time in Python?
...%s"))
If you want microseconds, you need to change the export string and cast to float like: return float(now.strftime("%s.%f"))
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How to convert comma-delimited string to list in Python?
...the case of integers that are included at the string, if you want to avoid casting them to int individually you can do:
mList = [int(e) if e.isdigit() else e for e in mStr.split(',')]
It is called list comprehension, and it is based on set builder notation.
ex:
>>> mStr = "1,A,B,3,4"
...
Find size of object instance in bytes in c#
...array for data and an unmanaged proxy class to access values using pointer casting if size matters, note that would be non-aligned memory so on old computers is gonna be slow but HUGE datasets on MODERN RAM is gonna be considerably faster, as minimizing the size to read from RAM is gonna be a bigger...
Do I have to guard against SQL injection if I used a dropdown?
... is also "involving any variable data". There are a few cases like PHP int casting maybe but it seems better to just use prepared statements. Telling (unexperienced) people that a minor performance "boost" is more important than security is way off. The answer is "incomplete" but it sends a strong m...
Why can't an anonymous method be assigned to var?
...>
{
return dynObj.arg0.ToUpper() + (dynObj.arg1 * 45); //screw type casting, amirite?
};
Console.WriteLine(y(myParams));
Tip: You can use Action<dynamic> if you don't need to return an object.
Yeah I know it probably goes against your programming principles, but this makes sense to m...
Use didSelectRowAtIndexPath or prepareForSegue method for UITableView?
...wCell = sender as? UITableViewCell { // do something }. If sender can't be cast to a UITableViewCell, "do something" won't execute.
– mbeaty
Mar 4 '15 at 3:23
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Input text dialog Android
...
Remember to cast that findViewById with (ViewGroup)!
– Martin Erlic
Sep 27 '16 at 17:24
2
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In C/C++ what's the simplest way to reverse the order of bits in a byte?
...e caveat (as stated on the linked page) is that it needs to be assigned or cast into an uint8_t or there will be garbage in the upper bits.
– Arkku
Apr 8 '10 at 20:20
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How does lombok work?
...essor). JSR 269 does not let you modify existing source code, but when you cast an Element to the underlying AST node, you can actually modify the AST (which is what project Lombok does).
So Lombok is a huge hack that will only run compile on a Sun VM (afaik). It's a great piece of software, but it...