大约有 16,000 项符合查询结果（耗时：0.0291秒） [XML]
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
...
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...
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...
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;
share
...
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.
share
|
improve this answer
|
follow
|
...
Input from the keyboard in command line application
...
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
3
...