大约有 47,000 项符合查询结果(耗时:0.0344秒) [XML]
How to detect shake event with android?
					...  {
    if (sensor != SensorManager.SENSOR_ACCELEROMETER) return;
    long now = System.currentTimeMillis();
    if ((now - mLastForce) > SHAKE_TIMEOUT) {
      mShakeCount = 0;
    }
    if ((now - mLastTime) > TIME_THRESHOLD) {
      long diff = now - mLastTime;
      float speed = Math.ab...				
				
				
							Having both a Created and Last Updated timestamp columns in MySQL 4.0
					...ESTAMP and ON UPDATE CURRENT_TIMESTAMP clauses. In addition, these clauses now can be used with DATETIME column definitions. For more information, see Automatic Initialization and Updating for TIMESTAMP and DATETIME.
    
    
        
            
            
                
    share
...				
				
				
							How to get the current date and time
					...          
                Please consider new Java8 APIs - LocalDateTime.now() and ZonedDateTime.now()
                
– Oleg Mikheev
                Dec 9 '14 at 6:36
                        
                            
                        
            
        
    
        ...				
				
				
							C# List of objects, how do I get the sum of a property
					...
for(int i = 0; i < f; ++i)
{
    p[i] = i % 2;
}
var time = DateTime.Now;
p.Sum();
Console.WriteLine(DateTime.Now - time);
int x = 0;
time = DateTime.Now;
foreach(var item in p){
   x += item;
}
Console.WriteLine(DateTime.Now - time);
x = 0;
time = DateTime.Now;
for(int i = 0, j = f; i < ...				
				
				
							AngularJS: Service vs provider vs factory
					...
        
            
                
                Why do I get Unknown provider: helloWorldProvider <- helloWorld when running this locally? Commenting it out, same error for the other 2 examples. Is there some hidden provider configuration ? (Angular 1.0.8) -- Found: stackoverflow.com/q...				
				
				
							Python loop that also accesses previous and next values
					...   
        
        
        
    
    
Solutions until now only deal with lists, and most are copying the list. In my experience a lot of times that isn't possible.
Also, they don't deal with the fact that you can have repeated elements in the list.
The title of your question s...				
				
				
							How to get current time and date in C++?
					...        
    
    
In C++ 11 you can use std::chrono::system_clock::now()
Example (copied from en.cppreference.com):
#include <iostream>
#include <chrono>
#include <ctime>    
int main()
{
    auto start = std::chrono::system_clock::now();
    // Some computation here
   ...				
				
				
							Datetime - Get next tuesday
					...versatile, as you can specify the day of week, but it's your call :) (I've now edited mine to give a more generalized version.)
                
– Jon Skeet
                Jun 14 '11 at 15:48
                        
                            
                        
            
    ...				
				
				
							How to convert date to timestamp?
					...Script/Reference/Global_Objects/…. I just forgot to put away the string. Now  it works.
                
– antonjs
                Mar 26 '12 at 13:52
                        
                            
                        
            
        
    
    
        
            ...				
				
				
							Reset Entity-Framework Migrations
					...ked up my migrations, I used  IgnoreChanges  on the initial migration, but now I want to delete all my migrations and start with an initial migration with all of the logic.
                    
                    
                        
                            
                        ...				
				
				
							