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How can we programmatically detect which iOS version is device running on? [duplicate]
...Device currentDevice] systemVersion]
returns string, which can be turned into int/float via
-[NSString floatValue]
-[NSString intValue]
like this
Both values (floatValue, intValue) will be stripped due to its type, 5.0.1 will become 5.0 or 5 (float or int), for comparing precisely, you will...
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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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...
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...
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...
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...
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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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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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...
What is the rationale for fread/fwrite taking size and count as arguments?
...story. It would be better to contrast something reading, say, an array of int values, or an array of structures.
– Jonathan Leffler
Nov 17 '08 at 22:22
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