countdown | 易学教程

Countdown Timer Image GIF in Email

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问题 I recently received an emailer from Onnit Labs that included a Countdown Module Timer inside the emailer using a gif image. The emailer can be viewed here: https://www.onnit.com/emails/lastchance-historic/ The Image can be seen here: I looked into it, and it seems you can keep sending new frames to an animated GIF using gifsockets, as a GIF doesn't specify how many frames it has when loaded in the browser. Here it is on github: http://github.com/videlalvaro/gifsockets I thought this was

Android ProgressBar countdown

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问题 I'm making a quiz for Android and I want a limited time to answer every question. So I want to display a ProgressBar under the answers that counts down from, for example, 5 to 0 (seconds). And when it reaches zero I want to do some stuff. I have the quiz and everything working, I just want to add the ProgressBar. Thanks in advance! 回答1: you can use countdown timer in android . Here is one Example you can Refer Click Here you can use below ProgressBar in your Activity. <ProgressBar android:id=

How is CountDownLatch used in Java Multithreading?

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Can someone help me to understand what Java CountDownLatch is and when to use it? I don't have a very clear idea of how this program works. As I understand all three threads start at once and each Thread will call CountDownLatch after 3000ms. So count down will decrement one by one. After latch becomes zero the program prints "Completed". Maybe the way I understood is incorrect. import java.util.concurrent.CountDownLatch; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; class Processor implements Runnable { private CountDownLatch latch; public Processor

Create a simple countdown in processing

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问题 I have searched up so many sites on Google to try and get this to work but NO ONE seems to have this anywhere , and if they do it\'s just NOT working with my program... What I am trying to achieve is to have a player recoil that when the player gets hit, he has a \"x\" amount of time between getting hit the first time and the second time. So I have a Boolean \"hit\" = false and when he gets hit, it changes to true . Which means he can\'t get hit again until it\'s changed to false again. So I\

Android: CountDownTimer skips last onTick()!

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问题 Code: public class SMH extends Activity { public void onCreate(Bundle b) { super.onCreate(b); setContentView(R.layout.main); TextView tv = (TextView) findViewById(R.id.tv); new CountDownTimer(10000, 2000) { public void onTick(long m) { long sec = m/1000+1; tv.append(sec+\" seconds remain\\n\"); } public void onFinish() { tv.append(\"Done!\"); } }.start(); } Output: 10 seconds remain 8 seconds remain 6 seconds remain 4 seconds remain Done! Problem: How do I get it to show \" 2 seconds remain \

How to handle multiple countdown timers in ListView?

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问题 I have a listview (with a custom list adapter), I need to display a countdown on every row. For example, if my list contains 4 items, I will have 4 rows. At this point, I need to handle 4 different countdowns (one for each row) because time is different. So far, I\'m handling it the following way : in the Custom List Adapter, inside getView() method I create a new CountDownTimer and display remaining time inside TextView. But the problem is that it slows the activity a lot, I can\'t even

How is CountDownLatch used in Java Multithreading?

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问题 Can someone help me to understand what Java CountDownLatch is and when to use it? I don\'t have a very clear idea of how this program works. As I understand all three threads start at once and each Thread will call CountDownLatch after 3000ms. So count down will decrement one by one. After latch becomes zero the program prints \"Completed\". Maybe the way I understood is incorrect. import java.util.concurrent.CountDownLatch; import java.util.concurrent.ExecutorService; import java.util

How to make a countdown timer in Android?

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问题 I have two EditTexts in XML. In one EditText, the user can put a number as minutes and in another EditText, a number as seconds. After clicking the finish button, the seconds EditText should start to countdown and update its text every second. Additionally, how can I keep it updating until it gets to zero minutes and zero seconds? 回答1: new CountDownTimer(30000, 1000) { public void onTick(long millisUntilFinished) { mTextField.setText("seconds remaining: " + millisUntilFinished / 1000); //here

The simplest possible JavaScript countdown timer? [closed]

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问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 3 years ago . Just wanted to ask how to create the simplest possible countdown timer. There\'ll be a sentence on the site saying: \"Registration closes in 05:00 minutes!\" So, what I want to do is to create a simple js countdown timer that goes from \"05:00\" to \"00:00\" and then resets to \