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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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Is there a stopwatch in Java?

... 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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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...
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Set time to 00:00:00

...-hour clock. E.g., at 10:04:15.250 PM the HOUR_OF_DAY is 22. Testing ("now" is currently c. 14:55 on July 23, 2013 Pacific Daylight Time): public class Main { static SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); public static void main(String[] args) { ...
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postgresql return 0 if returned value is null

... AND u_kbalikepartnumbers_id = 1000307 AND ( EXTRACT( DAY FROM ( NOW() - dateEnded ) ) ) * 24 < 48 AND COALESCE( price, 0 ) > ( SELECT AVG( COALESCE( price, 0 ) )* 0.50 FROM ( SELECT *, cume_dist() OVER ( ORDER BY price DESC ) ...
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How do you convert a JavaScript date to UTC?

... 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?

... The 3rd link is now broken (Multiple SSH Keys) – RustyTheBoyRobot Jun 1 '12 at 14:25 12 ...
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How to set a default value for a datetime column to record creation time in a migration?

... 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...
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ISO time (ISO 8601) in Python

... Local to ISO 8601: import datetime datetime.datetime.now().isoformat() >>> 2020-03-20T14:28:23.382748 UTC to ISO 8601: import datetime datetime.datetime.utcnow().isoformat() >>> 2020-03-20T01:30:08.180856 Local to ISO 8601 without microsecond: import d...
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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...