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What is a serialVersionUID and why should I use it?
... read
Unnecessary code: Redundant null check
Unnecessary code: Unnecessary cast or 'instanceof'
and many more.
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Why are arrays of references illegal?
...lates).
this would probably work, if you don't mind this kind of nasty: recast '*this' as an array of int *'s and return a reference made from one: (not recommended, but it shows how the proper 'array' would work):
int & operator[]( int i ) { return *(reinterpret_cast<int**>(this)[i]); ...
TCP vs UDP on video stream
...s clients is long due to the singularity of the event. Pre-recorded video-casts typically don't have as much of a problem with this because viewers stagger their replay activity; therefore TCP is more appropriate for replaying a video-on-demand.
IP multicast significantly reduces video bandwidth re...
Better way of getting time in milliseconds in javascript?
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The + simply cast Date to Number, giving a standard unix timestamp in milliseconds. You can explicitly get this value by calling (new Date()).getTime()
– ngryman
Apr 15 '12 at 0:28
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How is “int* ptr = int()” value initialization not illegal?
...fined "integer constant expression with the value 0, or such an expression cast to type void *".
– Jerry Coffin
Nov 9 '11 at 16:52
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T-SQL stored procedure that accepts multiple Id values
...mma separated list of Department IDs :
Declare @XMLList xml
SET @XMLList=cast('<i>'+replace(@DepartmentIDs,',','</i><i>')+'</i>' as xml)
SELECT x.i.value('.','varchar(5)') from @XMLList.nodes('i') x(i))
All credit goes to Guru Brad Schulz's Blog
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Why do C++ libraries and frameworks never use smart pointers?
... to be readonly you can use a const reference (you can still do some nasty casts to be able to write the object) but you get the maximum of protection possible (it's the same with smart pointers).
But I do agree that it's much nicer to just return the object.
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How to read XML using XPath in Java
...e document defined in that code and the return type you are expecting, and cast the result to the object type of the result.
If you need help with a specific XPath expressions, you should probably ask it as separate questions (unless that was your question in the first place here - I understood you...
Jackson JSON custom serialization for certain fields
... brings this message: Could not write content: java.lang.Integer cannot be cast to java.lang.Float
– Arnie Schwarzvogel
May 19 '18 at 14:54
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How do I convert between big-endian and little-endian values in C++?
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@MihaiTodor: This use of unions for typecasting through an array of chars is explicitly allowed by the standard. See eg. this question.
– Alexandre C.
May 4 '14 at 12:36
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