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error: use of deleted function
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@Als: Sorry, I probably should have been explicit that I didn't intend that as an insult or anything on that order, just that what was currently available made it apparent that those answers weren't right.
– Jerry Coffin
May 11 '11 at 15:47
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Why is conversion from string constant to 'char*' valid in C but invalid in C++
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Up through C++03, your first example was valid, but used a deprecated implicit conversion--a string literal should be treated as being of type char const *, since you can't modify its contents (without causing undefined behavior).
As of C++11, the implicit conversion ...
JavaScript hashmap equivalent
...here were no built-in
alternatives), Objects have been used as Maps historically; however,
there are important differences that make using a Map preferable in
certain cases:
The keys of an Object are Strings and Symbols, whereas they can be any value for a Map, including functions, objects, and any...
Generating UML from C++ code? [closed]
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I've developed a tool called Doxygraph which can parse the XML generated by Doxygen and turn it into an interactive UML class diagram which you can view in a web browser or import into any software that can read Graphviz "dot" files.
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How do I read the first line of a file using cat?
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I suppose it's silly to call out a 'useless use of cat' on a line specifically designed to use cat, isn't it.
– jkerian
May 24 '11 at 19:20
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How to merge a list of lists with same type of items to a single list of items?
...(which is an IEnumerable of TResults) to an IEnumerable of TResults is the identity function (x => x). This is really just a special case where you don't need the extra step of turning each TSource into a list, because it's already a list.
– Sean
May 8 '15 a...
Boolean vs tinyint(1) for boolean values in MySQL
...esn't answer the question. While it's true that tinyint(1) is functionally identical to bool, the OP asked what is best to use. The answer by @dj_segfault does a proper job explaining why bool should be preferred over tinyint(1) when storing a boolean value.
– Kyle Morgan
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What is the difference between “Form Controls” and “ActiveX Control” in Excel 2010?
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Google is full of information on this. As Hans Passant said, Form controls are built in to Excel whereas ActiveX controls are loaded separately.
Generally you'll use Forms controls, they're simpler. ActiveX controls allow for more flexible design and should be used when the job j...
Collection that allows only unique items in .NET?
...ooking for. From MSDN (emphasis added):
The HashSet<T> class provides high-performance set operations. A set is a collection that contains no duplicate elements, and whose elements are in no particular order.
Note that the HashSet<T>.Add(T item) method returns a bool -- true if the...
Should ol/ul be inside or outside?
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The short answer is that ol elements are not legally allowed inside p elements.
To see why, let's go to the spec! If you can get comfortable with the HTML spec, it will answer many of your questions and curiosities. You want to know if an ol can live inside a p. So…
4.5.1 The p element...