clock

问题 I'm trying to create a Java GUI which displays the current time. Currently, I can make it display the current time, but only on startup. It then simply remains on that time forever. The reason is that I cannot figure out how to make it automatically load in the new current time every second. Here is my relevant code thus far: // Getting the current time... long epoch = System.currentTimeMillis() / 1000; String date = new java.text.SimpleDateFormat("HH:mm:ss").format(new java.util.Date(epoch *

问题 Lets say i set up two alarms 09:00:00 (alarm1) 09:10:00 (alarm2) and every alarm can snooze for 10 minutes. Then alarm1 sounds and i snooze it at 09:00:10 so it must ring again at 09:10:10 BUT at time 09:10:00 already the alarm2 is ringing an i snooze it at 09:10:11. what will happen to the alarm1? when will the first alarm be replayed? 回答1: To me the following happened. When it was time for the alarm2 to be activated, the alarm1 actually activated. 1st experiment: I postponed alarm1 and the

问题 I am reading about the difference between CLOCK_REALTIME and CLOCK_MONOTONIC Difference between CLOCK_REALTIME and CLOCK_MONOTONIC? The CLOCK_REALTIME has discontinuities in time, can jump forwards as well as backwards: is that a bug in this clock? How could a clock that gives inconsistent time be reliable? 回答1: Despite its imperfections, CLOCK_REALTIME should be the system's best estimate of the current UTC or civil time. It's the basis for the system's ability to display the same time you'd

问题 i was trying to write an analog world clock app. i wanted to use the analog clock component <AnalogClock android:id="@+id/MyAnalogClock" /> This shows the system time. But how do we set a different time(say, a second clock showing time for a different country) to the analog clock component 回答1: You cannot (I checked the source code). But as Android is open source, you are invited to add the function. The Widget is referring to the phones timezone only. 来源： https://stackoverflow.com/questions

问题 I have to write a program that changes an LED sequence at each clock pulse for one sequence. library ieee; use ieee.std_logic_1164.all; use ieee.std_logic_unsigned.all; use ieee.numeric_std.all; entity REG_LED is PORT(CLK: IN std_logic; -- CLK input LEDS: Out std_logic_vector (4 downto 0):= "11111"); -- initialise output End REG_LED; ARCHITECTURE behavioral OF REG_LED IS SIGNAL Temp: std_logic_vector (3 downto 0):= "0000"; -- initailise comparison signal BEGIN CLK_Process: PROCESS (CLK) --

问题 I'm currently deploying an app for iPhone and I was wondering if the app could receive a notification (while it is suspended in the background) when the alarm of the native clock rings so the app can be triggered to the foreground. If this is not possible is there any way to retrieve information about the shceduled time and date of the native alarm clock. I have been searching this on internet a lot but I couldn't find any answer on this question. Your help is appreciated! 回答1: You get

问题 Is it possible to set start time for PrimeFaces clock widget? I know about Analog Clock from PrimeFaces Extensions, but I need digital clock with this option. I have tried to override javascript method for this clock, but it doesn't work. PrimeFaces.widget.Clock = PrimeFaces.widget.BaseWidget.extend({ init: function(cfg) { this._super(cfg); this.cfg.value = 1430304817141; this.current = this.isClient() ? new Date() : new Date(this.cfg.value); var $this = this; }, isClient: function() { return

问题 Trying to emulate the rollover of a 24 hour clock by hand (with math vs. using the timespan classes). The incrementing part was easy to figure out how to roll over from 23:00 to 0:00 and from, but getting it to go the other way is turning out to be really confusing. Here's what I have so far: static void IncrementMinute(int min, int incr) { int newMin = min + incr, hourIncrement = newMin / 60; //increment or decrement the hour if((double)newMin % 60 < 0 && (double)newMin % 60 > -1)

问题 How can I retrieve wall-time in Python using the standard library? This question, and this question would suggest that something like clock_gettime(CLOCK_MONOTONIC_RAW) or /proc/uptime are most appropriate on Linux. On Windows, time.clock() has the desired effect. I would use time.time(), but the function is not guaranteed to return monotonically (and linearly) increasing time values. 回答1: Victor Stinner wrote a Python implementation of a monotonic timer. See http://bugs.python.org/issue10278

问题 The clock kinda works. But instead of replacing the current time of day it prints a new time of day every second. I understand why it do it but I don't know how to fix it. I would appreciate if you could give me some tips without saying the answer straight out. Thank you. Here is my code: function time(){ var d = new Date(); var s = d.getSeconds(); var m = d.getMinutes(); var h = d.getHours(); document.write(h + ":" + m + ":" + s); } setInterval(time,1000); 回答1: Add a span element and update