大约有 47,000 项符合查询结果（耗时：0.0402秒） [XML]
Is there a stopwatch in Java?
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Now you use this to get the milliseconds: long stopWatch = stopWatch.elapsed(TimeUnit.MILLISECONDS);
– PHPGuru
Mar 14 '18 at 17:41
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Javascript calculate the day of the year (1 - 366)
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Following OP's edit:
var now = new Date();
var start = new Date(now.getFullYear(), 0, 0);
var diff = now - start;
var oneDay = 1000 * 60 * 60 * 24;
var day = Math.floor(diff / oneDay);
console.log('Day of year: ' + day);
Edit: The code ab...
How do you convert a JavaScript date to UTC?
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Simple and stupid
var date = new Date();
var now_utc = Date.UTC(date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate(),
date.getUTCHours(), date.getUTCMinutes(), date.getUTCSeconds());
return new Date(now_utc);
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Multiple github accounts on the same computer?
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The 3rd link is now broken (Multiple SSH Keys)
– RustyTheBoyRobot
Jun 1 '12 at 14:25
12
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Is MonoTouch now banned on the iPhone? [closed]
...urely historical!
Yes, it seems pretty clear from their license agreement now that if the original application is written in C# then it would be violating the license:
...Applications must be originally written in Objective-C, C, C++, or JavaScript as executed by the iPhone OS WebKit engine...
Th...
How to set a default value for a datetime column to record creation time in a migration?
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This is supported now in Rails 5.
Here is a sample migration:
class CreatePosts < ActiveRecord::Migration[5.0]
def change
create_table :posts do |t|
t.datetime :modified_at, default: -> { 'CURRENT_TIMESTAMP' }
t.time...
How to get the current date and time
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Please consider new Java8 APIs - LocalDateTime.now() and ZonedDateTime.now()
– Oleg Mikheev
Dec 9 '14 at 6:36
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Visual Studio 2013 hangs when opening a solution
...added ReSharper 8 (v8.0.2000.2660) a day or two ago. That day it was fine. Now I'm lucky if I can get it to open one solution in a whole day. It opens OK by itself, but when I try and open a solution from within - via the menu - it hangs, badly. If I right-click a solution in Windows Explorer and 'o...
Delete files older than 3 months old in a directory using .NET
I would like to know (using C#) how I can delete files in a certain directory older than 3 months, but I guess the date period could be flexible.
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How to get current time and date in C++?
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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
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