Timer - Revision history

Unknown user: /* Javascript */

2022-01-27T14:46:54Z

Javascript

← Older revision		Revision as of 22:46, 27 January 2022
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	* [https://www.educative.io/edpresso/what-is-the-javascript-alternative-to-the-sleep-function What is the Javascript alternative to the sleep function?]		* [https://www.educative.io/edpresso/what-is-the-javascript-alternative-to-the-sleep-function What is the Javascript alternative to the sleep function?]
			* [https://www.jstips.co/zh_tw/javascript/extract-unix-timestamp-easily/ 在 JavaScript 簡單取得 unix timestamp]

	== Java ==		== Java ==

2022-01-27T14:40:09Z

@@ Line 68: / Line 68: @@
 print("Elapsed time in seconds: ", end - start)
 </pre>
 == Java ==

2020-09-09T02:10:12Z

Windows command (DOS)

← Older revision		Revision as of 10:10, 9 September 2020
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	or ...<ref>[https://stackoverflow.com/questions/673523/how-do-i-measure-execution-time-of-a-command-on-the-windows-command-line batch file - How do I measure execution time of a command on the Windows command line? - Stack Overflow]</ref><ref>[https://stackoverflow.com/questions/166044/sleeping-in-a-batch-file python - Sleeping in a batch file - Stack Overflow]</ref>		or ...<ref>[https://stackoverflow.com/questions/673523/how-do-i-measure-execution-time-of-a-command-on-the-windows-command-line batch file - How do I measure execution time of a command on the Windows command line? - Stack Overflow]</ref><ref>[https://stackoverflow.com/questions/166044/sleeping-in-a-batch-file python - Sleeping in a batch file - Stack Overflow]</ref>
	<pre>		<pre>
	REM ~~recode~~ the start time		REM start to record the start time
	set startTime=%time%		set startTime=%time%

2020-07-30T08:54:12Z

Windows command (DOS)

← Older revision		Revision as of 16:54, 30 July 2020
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	== Windows command (DOS) ==		== Windows command (DOS) ==
	<pre>		<pre>
	# show the start time		REM show the start time
	prompt $d $t $_$P$G		prompt $d $t $_$P$G

	# do something		REM do something ...

	# show the finish time		REM show the finish time
	prompt $d $t $_$P$G		prompt $d $t $_$P$G
	</pre>		</pre>
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	or ...<ref>[https://stackoverflow.com/questions/673523/how-do-i-measure-execution-time-of-a-command-on-the-windows-command-line batch file - How do I measure execution time of a command on the Windows command line? - Stack Overflow]</ref><ref>[https://stackoverflow.com/questions/166044/sleeping-in-a-batch-file python - Sleeping in a batch file - Stack Overflow]</ref>		or ...<ref>[https://stackoverflow.com/questions/673523/how-do-i-measure-execution-time-of-a-command-on-the-windows-command-line batch file - How do I measure execution time of a command on the Windows command line? - Stack Overflow]</ref><ref>[https://stackoverflow.com/questions/166044/sleeping-in-a-batch-file python - Sleeping in a batch file - Stack Overflow]</ref>
	<pre>		<pre>
	# recode the start time		REM recode the start time
	set startTime=%time%		set startTime=%time%

	# do something		REM do something ...

	# show the start and finish time		REM show the start and finish time
	echo Start Time: %startTime%		echo Start Time: %startTime%
	echo Finish Time: %time%		echo Finish Time: %time%

2018-04-08T09:31:53Z

@@ Line 55: / Line 55: @@
 == Python ==
-[http://stackoverflow.com/questions/7370801/measure-time-elapsed-in-python performance - Measure time elapsed in Python? - Stack Overflow]
+Using [https://docs.python.org/3/library/time.html#time.time time.time()]<ref>[http://stackoverflow.com/questions/7370801/measure-time-elapsed-in-python performance - Measure time elapsed in Python? - Stack Overflow]</ref>
 == Java ==

2018-04-04T15:06:42Z

+dos

@@ Line 10: / Line 10: @@
 SELECT @timer := CURRENT_TIMESTAMP();
 SELECT SLEEP(2); /* sleep 2 seconds for testing purpose */
-SELECT 'custom message' AS 'action', CURRENT_TIMESTAMP() AS 'end time', @timer AS 'start time', TIMEDIFF(CURRENT_TIMESTAMP(), @timer) AS 'time elapsed';
+SELECT 'custom message' AS 'action', CURRENT_TIMESTAMP() AS 'finish time', @timer AS 'start time', TIMEDIFF(CURRENT_TIMESTAMP(), @timer) AS 'time elapsed';
 </pre>
@@ Line 29: / Line 29: @@
 # expected result:
 #   Elapsed time 00h:00m:02s
 </pre>

2018-03-02T04:05:46Z

Java

← Older revision		Revision as of 12:05, 2 March 2018
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	<References />		<References />

	[[Category:Programming]] [[Category:PHP]] [[Category:MySQL]] [[Category:Tool]]		[[Category:Programming]] [[Category:PHP]] [[Category:MySQL]] [[Category:Java]] [[Category:Python]] [[Category:Bash]] [[Category:Tool]]

2018-03-02T04:04:04Z

← Older revision		Revision as of 12:04, 2 March 2018
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	[http://stackoverflow.com/questions/7370801/measure-time-elapsed-in-python performance - Measure time elapsed in Python? - Stack Overflow]		[http://stackoverflow.com/questions/7370801/measure-time-elapsed-in-python performance - Measure time elapsed in Python? - Stack Overflow]

			== Java ==
			[https://docs.oracle.com/javase/7/docs/api/java/lang/System.html#currentTimeMillis() Java.lang.System.currentTimeMillis()]
			<pre>
			# start the timer
			long start_time = System.currentTimeMillis();

			# stop the timer
			System.out.println("\nElapsed time: " + (System.currentTimeMillis() - start_time) + " ms");

			</pre>

	References		References

2017-02-04T07:30:47Z

PHP

← Older revision		Revision as of 15:30, 4 February 2017
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	== PHP ==		== PHP ==
	[http://stackoverflow.com/questions/8310487/start-and-stop-a-timer-php Start and stop a timer PHP - Stack Overflow]		* [http://stackoverflow.com/questions/8310487/start-and-stop-a-timer-php Start and stop a timer PHP - Stack Overflow]
			* [http://stackoverflow.com/questions/6245971/accurate-way-to-measure-execution-times-of-php-scripts Accurate way to measure execution times of php scripts - Stack Overflow]

	== MySQL ==		== MySQL ==

2017-02-02T06:10:30Z

Linux command (BASH)

← Older revision		Revision as of 14:10, 2 February 2017
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	{{Linux}} console, {{Mac}} Terminal or Cygwin commands on {{Win}}<ref>[http://stackoverflow.com/questions/385408/get-program-execution-time-in-the-shell linux - Get program execution time in the shell - Stack Overflow]</ref><ref>[http://stackoverflow.com/questions/12199631/convert-seconds-to-hours-minutes-seconds bash - Convert seconds to hours, minutes, seconds - Stack Overflow]</ref>		{{Linux}} console, {{Mac}} Terminal or Cygwin commands on {{Win}}<ref>[http://stackoverflow.com/questions/385408/get-program-execution-time-in-the-shell linux - Get program execution time in the shell - Stack Overflow]</ref><ref>[http://stackoverflow.com/questions/12199631/convert-seconds-to-hours-minutes-seconds bash - Convert seconds to hours, minutes, seconds - Stack Overflow]</ref>
	<pre>		<pre>
			# start the timer
	START=$(date +%s)		START=$(date +%s)

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	sleep 2s		sleep 2s

			# stop the timer
	END=$(date +%s)		END=$(date +%s)
	DIFF=$(( $END - $START ))		DIFF=$(( $END - $START ))