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What is the preferred/idiomatic way to insert into a map?
... in make_pair() really request another function call? It seems an implicit cast would suffice which compiler should be happy to do so.
– galactica
Nov 15 '18 at 0:47
add a com...
Boost Statechart vs. Meta State Machine
... Minor nit-pick: In release mode, the use of C++ RTTI (dynamic_cast, typeid) is strictly optional with Boost.Statechart.
– user49572
Nov 30 '10 at 7:43
add a comme...
How to increment a pointer address and pointer's value?
...*p)++ => 5
*(p)++ => 5
*++p => 0
*(++p) => 0
I cast the pointer addresses to ints so they could be easily compared.
I compiled it with GCC.
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Populate data table from data reader
...lumn. lines in the dtSchema foreach loop because it said it was an illegal cast to bool on (bool)drow["IsUnique"]. I didn't need them, getting the column names in order to populate the new DataTable is enough. This managed to help me overcome a ds.Fill(adapter) issue where I could not load a large t...
Sort a Map by values
... any more (stackoverflow.com/questions/109383/…). Also, why was there a cast to Double? Shouldn't it just be return ((Comparable)base.get(a).compareTo(((Comparable)base.get(b)))?
– Stephen
Aug 11 '10 at 21:50
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How do I catch a numpy warning like it's an exception (not just for testing)?
...catch_warnings() placement depending on how big of an umbrella you want to cast with catching errors this way.
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Structure padding and packing
... know mostly used in transmitting(i.e networking) a data, when you need to cast a byte array to a struct, and be sure that an array fit to a struct fields. If the spark can not do that, how those working at all?!
– Hi-Angel
May 24 '14 at 9:19
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Difference between std::system_clock and std::steady_clock?
...eryPerformanceCounter(&counter);
return time_point(duration(static_cast<rep>((double)counter.QuadPart / frequency.QuadPart *
period::den / period::num)));
}
private:
static bool is_inited; ...
Weak and strong property setter attributes in Objective-C
...s the parent so neither is ever released).
The 'toll free bridging' part (casting from NS to CF) is a little tricky. You still have to manually manage CFRelease() and CFRetain() for CF objects. When you convert them back to NS objects you have to tell the compiler about the retain count so it kno...
Creating an index on a table variable
...lly works:
declare @cmd varchar(500)='CREATE NONCLUSTERED INDEX [ix_temp'+cast(newid() as varchar(40))+'] ON #temp (NonUniqueIndexNeeded);';
exec (@cmd);
This insures the name is always unique even between simultaneous executions of the same procedure.
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