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Android and XMPP: Currently available solutions [closed]
Which XMPP library would be the best choice nowadays for Android development?
7 Answers
...
printf format specifiers for uint32_t and size_t
...eded is that the format specifiers and the types agree, and you can always cast to make that true. long is at least 32bits, so %lu together with (unsigned long)k is always correct. size_t is trickier, which is why %zu was added in C99. If you can't use that, then treat it just like k (long is the bi...
Calling constructors in c++ without new
...lt;< __FUNCTION__ << std::endl;
A a(__FUNCTION__);
static_cast<void>(a); // avoid warnings about unused variables
}
void assignment()
{
std::cerr << std::endl << "TEST: " << __FUNCTION__ << std::endl;
A a = A(__FUNCTION__);
static_cast<v...
Convert base class to derived class [duplicate]
...eturn myBaseClass;
}
Before I was trying this, which gave me a unable to cast error
public MyDerivedClass GetPopulatedDerivedClass()
{
var newDerivedClass = (MyDerivedClass)GetPopulatedBaseClass();
newDerivedClass.UniqueProperty1 = "Some One";
newDerivedClass.UniqueProperty2 = "Some Thi...
[A]System.Web.WebPages.Razor.Configuration.HostSection cannot be cast to… web.config issue
I am getting the following error:
6 Answers
6
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Pointer arithmetic for void pointer in C
...
cast it to a char pointer an increment your pointer forward x bytes ahead.
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Why does Convert.ToString(null) return a different value if you cast null?
...2f10355736%2fwhy-does-convert-tostringnull-return-a-different-value-if-you-cast-null%23new-answer', 'question_page');
}
);
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Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable
...y. As for AsEnumerable, it's not really needed but it prevents Roles being cast to IList and modified.
– Lee
Dec 12 '09 at 18:07
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Query to list number of records in each table in a database
...
sp_MSForEachTable 'DECLARE @t AS VARCHAR(MAX);
SELECT @t = CAST(COUNT(1) as VARCHAR(MAX))
+ CHAR(9) + CHAR(9) + ''?'' FROM ? ; PRINT @t'
Output:
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A numeric string as array key in PHP
...
Yes, it is possible by array-casting an stdClass object:
$data = new stdClass;
$data->{"12"} = 37;
$data = (array) $data;
var_dump( $data );
That gives you (up to PHP version 7.1):
array(1) {
["12"]=>
int(37)
}
(Update: My original answe...