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How to write iOS app purely in C
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If you do decide to convert this to assembly, as per several of the suggestions, make sure to do it in ARM (regular and thumb instruction sets!) and in x86 so that it works in the simulator. Maybe also PowerPC for good measure, if you want to p...
A non well formed numeric value encountered
... with alphanumeric data and creates a new variable with the same value but converted to an integer with the intval() function. Here is the code:
function get_config_bytes($val) {
$val = trim($val);
$last = strtolower($val[strlen($val)-1]);
$intval = intval(trim($val));
switch($last)...
What is “rvalue reference for *this”?
...ound to the parameter as long as in all other respects the argument can be converted to the type of the implicit object parameter.
struct test{
void f() { std::cout << "lvalue or rvalue object\n"; }
};
int main(){
test t;
t.f(); // OK
test().f(); // OK too
}
Now, onto why @Nicol's...
What exactly is a C pointer if not a memory address?
...t that's not always the case:
6.3.2.3 Pointers
[...]
5. An integer may be converted to any pointer type. Except as previously specified, the result is implementation-defined, might not be correctly aligned, might not point to an entity of the referenced type, and might be a trap representation.
Th...
Should I always return IEnumerable instead of IList?
... filters, or transforms your return value. When practical, I like to avoid converting the results of LINQ-to-Objects to a concrete List or Dictionary until I have to. If my caller needs a List, that's a single easy method call away - I don't need to make that decision for them, and that makes my cod...
What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an
...scall calling convention in linux if it were the same than the general ABI convertions.
– Albert van der Horst
Jan 22 '16 at 13:04
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Are there strongly-typed collections in Objective-C?
...r:
var str: String = arr[0]
var num: Int = arr[0] //Error 'String' is not convertible to 'Int'
Lightweight Generics are intended to be used with NSArray, NSDictionary and NSSet, but you can also add them to your own classes:
@interface GenericsTest<__covariant T> : NSObject
-(void)generic...
Scanner vs. BufferedReader
...ion of read() or readLine() could
cause bytes to be read from the file, converted into characters, and
then returned, which can be very inefficient. Efficiency is improved
appreciably if a Reader is warped in a BufferedReader.
BufferedReader is synchronized, so read operations on a Buf...
How can I divide two integers to get a double?
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Convert one of them to a double first. This form works in many languages:
real_result = (int_numerator + 0.0) / int_denominator
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T-SQL stored procedure that accepts multiple Id values
...7, 20
SELECT d.[Name]
FROM Department d
where @list_of_params like ('%'+ CONVERT(VARCHAR(10),d.Id) +'%')
very simple.
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