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Is it true that one should not use NSLog() on production code?
...mber to make it easier to track down log statements.
#define DEBUG_MODE
#ifdef DEBUG_MODE
#define DebugLog( s, ... ) NSLog( @"<%p %@:(%d)> %@", self, [[NSString stringWithUTF8String:__FILE__] lastPathComponent], __LINE__, [NSString stringWithFormat:(s), ##__VA_ARGS__] )
#else
#define...
How do I use a custom deleter with a std::unique_ptr member?
...very time, it can't inline (since the template can't specialize to the specific function, only the signature), and must call the function through the pointer (more costly than direct call). Both rici and Deduplicator's answers avoid all of these costs by specializing to a functor.
...
Can I simultaneously declare and assign a variable in VBA?
I'm new to VBA and want to know if I can convert the following declaration and assignment into one line:
5 Answers
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SQLAlchemy: Creating vs. Reusing a Session
...ssion, except that its verbose and redundant, and I wanted to stop the proliferation of small-scale "helpers" that each approached the issue of this redundancy in some new and more confusing way.
So sessionmaker() is just a tool to help you create Session objects when you need them.
Next part. I...
How to initialize a private static const map in C++?
...;< A::myMap[1]; into main(). It gives an error. The error doesn't occur if I remove the const qualifiers, so I guess map's operator[] can't handle a const map, at least, not in the g++ implementation of the C++ library.
– Craig McQueen
Oct 31 '13 at 1:08
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Check for changes to an SQL Server table?
...an SQL Server database for changes to a table without using triggers or modifying the structure of the database in any way? My preferred programming environment is .NET and C#.
...
What is the difference between Serializable and Externalizable in Java?
What is the difference between Serializable and Externalizable in Java?
11 Answers
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What is the difference D3 datum vs. data?
Can someone please explain the difference between datum() and data() in D3.js? I see both being used and I am not sure why you should choose one over the other?
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Is there a function to deselect all text using JavaScript?
...
Try this:
function clearSelection()
{
if (window.getSelection) {window.getSelection().removeAllRanges();}
else if (document.selection) {document.selection.empty();}
}
This will clear a selection in regular HTML content in any major browser. It won't clear a se...
Why can't I access DateTime->date in PHP's DateTime class?
Using the DateTime class, if I try to run the following code:
5 Answers
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