clock

问题 I wonder if there is a way to display the current time in the R command line, like in MS DOS, we can use Prompt $T $P$G to include the time clock in every prompt line. Something like options(prompt=paste(format(Sys.time(), "%H:%M:%S"),"> ")) will do it, but then it is fixed at the time it was set. I'm not sure how to make it update automatically. 回答1: Chase points the right way as options("prompt"=...) can be used for this. But his solutions adds a constant time expression which is not what

问题 I'm using this block of code to launch the default Alarm Clock when tapping on my clock widget. public Intent getAlarmPackage(Context context) { PackageManager packageManager = context.getPackageManager(); Intent AlarmClockIntent = new Intent(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_LAUNCHER); String clockImpls[][] = { { "Standard Alarm", "com.android.alarmclock", "com.android.alarmclock.AlarmClock" }, { "HTC Alarm ClockDT", "com.htc.android.worldclock", "com.htc.android.worldclock

问题 I am developing an online examination for which i need to have a countdown timer/clock to be displayed during the entire duration of the test. Also while displaying the final result the time taken to solve each individual questions should also be displayed along with the total time taken for the test. What are the possible best approaches to implement this functionality?? <?php $countfile = "counter.txt"; // location of site statistics. $statsfile = "stats.txt"; // checks whether the file

问题 I am developing an online examination for which i need to have a countdown timer/clock to be displayed during the entire duration of the test. Also while displaying the final result the time taken to solve each individual questions should also be displayed along with the total time taken for the test. What are the possible best approaches to implement this functionality?? <?php $countfile = "counter.txt"; // location of site statistics. $statsfile = "stats.txt"; // checks whether the file

问题 I made an Analog Clock and its working but when a remove the filloval (Background) the seconds hand keep repeating itself and but when i add filloval it is working. but i do not want the background there. Thanks here is the code import java.awt.Color; import java.awt.Font; import java.awt.Graphics; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Locale; import javax.swing.JFrame; import javax.swing.JPanel; public class Clock extends JPanel implements Runnable {

问题 Interested in creating by own analog clock application - anyone know of some example project/code that implements an analogue clock? (i.e. not a digital clock). Ideally with a custom background, and custom hour/minute hands as images? I note that the following link exists, however was hoping for something just a little more specific to matching what I'm doing (background image, images for the hour/minute hands): Example Code 回答1: Create a background image, and images for each of the hands

问题 I was thinking of changing system's local time to server's time and then use it but I bet there are other ways to do this. I've been trying to find something like a clock in c#, but couldnt find anything. I'm receiving server's time in a DateTime format. edit: I need my application to use while working same time server does. I just want to get server's time once and after that, make my application work in a while loop using the time I've obtained from the server. There might be a difference

问题 I need to use a global timestamp (std::chrono::high_resolution_clock::now()) in my c++ program. I declared it in the header file Header.h: #include<chrono> using namespace std; extern auto start; I want to initialize a value in main, so in main.cpp, I did: #include"Header.h" #include<chrono> using namespace std; auto start; int main(){ start = std::chrono::high_resolution_clock::now(); } However, when compiling it, I got: error: declaration of ‘auto start’ has no initializer Can anybody tell

问题 Is it possible to use graphic card clock from a windows application? More specifically - is it possible to somehow make graphic card to send interrupts on clock events (tick?) and hook to it from a software? What I am trying to say is that PC clocks arent good. precision clocks cost a lot of money plus they are difficult when it comes to colo (GPS signal is not available and atomic clocks cost an arm and a leg and more). I read that new graphic cards have precision clocks on them. So my

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 7 years ago . For school I have to do a assignment, Im busy with it for like 3 weeks now and still havn't gotten far. We need to make a clock that has to be round and the colours of the seconds minutes AND hours need to light