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Does delete on a pointer to a subclass call the base class destructor?
...location for one of its fields. Class A is instantiated and stored as a pointer field in another class ( class B .
11 Answ...
SQL Server Output Clause into a scalar variable
... way to do this or I need to pass by a table variable with the "OUTPUT ... INTO" syntax?
3 Answers
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Clear back stack using fragments
...sing:
FragmentManager fm = getActivity().getSupportFragmentManager();
for(int i = 0; i < fm.getBackStackEntryCount(); ++i) {
fm.popBackStack();
}
But could equally have used something like:
((AppCompatActivity)getContext()).getSupportFragmentManager().popBackStack(String name, Fragmen...
What is the difference between mutex and critical section?
...
CRITICAL_SECTION critSec;
InitializeCriticalSection(&critSec);
LARGE_INTEGER freq;
QueryPerformanceFrequency(&freq);
LARGE_INTEGER start, end;
// Force code into memory, so we don't see any effects of paging.
EnterCriticalSection(&critSec);
LeaveCriticalSection(&critSec);
QueryPer...
Why do we usually use || over |? What is the difference?
... addition, | can be used to perform the bitwise-OR operation on byte/short/int/long values. || cannot.
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How do I pass multiple parameters in Objective-C?
...u could write:
- (NSMutableArray*)getBusStops:(NSString*)busStop :(NSSTimeInterval*)timeInterval;
or what you suggested:
- (NSMutableArray*)getBusStops:(NSString*)busStop forTime:(NSSTimeInterval*)timeInterval;
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Input from the keyboard in command line application
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It's actually not that easy, you have to interact with the C API. There is no alternative to scanf. I've build a little example:
main.swift
import Foundation
var output: CInt = 0
getInput(&output)
println(output)
UserInput.c
#include <stdio.h>
voi...
Can an abstract class have a constructor?
...lass can have a constructor. Consider this:
abstract class Product {
int multiplyBy;
public Product( int multiplyBy ) {
this.multiplyBy = multiplyBy;
}
public int mutiply(int val) {
return multiplyBy * val;
}
}
class TimesTwo extends Product {
public TimesT...
Can someone explain the right way to use SBT?
...d this will probably require the latest version of SBT. What is the sane point to get started, and why?
I think the sane point is to build immunity to sbt gradually.
Make sure you understand:
scopes format {<build-uri>}<project-id>/config:key(for task-key)
the 3 flavors of settings...
How can I find the last element in a List?
...
If you just want to access the last item in the list you can do
if(integerList.Count>0)
{
var item = integerList[integerList.Count - 1];
}
to get the total number of items in the list you can use the Count property
var itemCount = integerList.Count;
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