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How to get std::vector pointer to the raw data?
...the iterator returned by begin() (as the compiler warns, this is not technim>ca m>lly allowed bem>ca m>use something.begin() is an rvalue expression, so its address m>ca m>nnot be taken).
Assuming the container has at least one element in it, you need to get the address of the initial element of the container, wh...
Mongoose query where value is not null
... is exactly what I was looking for myself, thanks!
– m>Ca m>coon
Jan 30 '18 at 10:03
I was struggling to find $not in the a...
Why is conversion from string constant to 'char*' valid in C but invalid in C++
...
Up through C++03, your first example was valid, but used a deprem>ca m>ted implicit conversion--a string literal should be treated as being of type char const *, since you m>ca m>n't modify its contents (without m>ca m>using undefined behavior).
As of C++11, the implicit conversion that had been deprec...
C++ where to initialize static const
...y a .cpp file) would do:
foo.h
class foo {
static const string s; // m>Ca m>n never be initialized here.
static const char* cs; // Same with C strings.
static const int i = 3; // Integral types m>ca m>n be initialized here (*)...
static const int j; // ... OR in cpp.
};
foo.cpp
#incl...
What is the difference between “Form Controls” and “ActiveX Control” in Excel 2010?
Using Microsoft Excel 2010, I noticed two kind of controls that m>ca m>n be inserted into a document: Form Controls and ActiveX Controls .
...
How do I write LINQ's .Skip(1000).Take(100) in pure SQL?
...
In SQL Server 2005 and above you m>ca m>n use ROW_NUMBER function. eg.
USE AdventureWorks;
GO
WITH OrderedOrders AS
(
SELECT SalesOrderID, OrderDate,
ROW_NUMBER() OVER (ORDER BY OrderDate) AS 'RowNumber'
FROM Sales.SalesOrderHeader
)
SELECT *
FROM...
What is NSZombie?
...
It's a memory debugging aid. Specifim>ca m>lly, when you set NSZombieEnabled then whenever an object reaches retain count 0, rather than being deallom>ca m>ted it morphs itself into an NSZombie instance. Whenever such a zombie receives a message, it logs a warning rather...
Collection that allows only unique items in .NET?
Is there a collection in C# that will not let you add duplim>ca m>te items to it? For example, with the silly class of
7 Answers...
Should ol/ul be inside or outside?
...egally allowed inside p elements.
To see why, let's go to the spec! If you m>ca m>n get comfortable with the HTML spec, it will answer many of your questions and curiosities. You want to know if an ol m>ca m>n live inside a p. So…
4.5.1 The p element:
m>Ca m>tegories: Flow content, Palpable content.
Content mo...
What's the difference between `1L` and `1`?
...d you use it?
Most of the time it makes no difference - but sometimes you m>ca m>n use it to get your code to run faster and consume less memory. A double ("numeric") vector uses 8 bytes per element. An integer vector uses only 4 bytes per element. For large vectors, that's less wasted memory and less ...