duration

问题 I am stuck, I need a small logic. I have two audio durations x = "00:00:07:18" y = "00:00:06:00" H : M: S: F Answer should be x + y = 00:00:13:18 H=hours S= seconds M=minutes F=frame My question is if x = "00:00:03:14" y = "00:00:13:18" answer should be x + y = **00:00:17:02** If the frame is greater than 30 it should increase 1 in second. I am using power shell. How can I determine the logic to calculate both of this? 回答1: Calculation of the first 3 parts ( hour:minute:second ), we can

问题 My model is: class Mo(Model): dur = DurationField(default=timedelta(0)) price_per_minute = FloatField(default=0.0) minutes_int = IntegerField(default=0) # dublicates data from dur , only for test Some test data: for i in range(4): m = Mo(dur=timedelta(minutes=i), minutes_int=i, price_per_minute=10.0) m.save() I want to multiply the dur by price_per_minute and find Sum : r = Mo.objects.all().aggregate(res=Sum(F('dur')*F('price_per_minute'))) print(r['res']/(10e6 * 60)) but: Invalid connector

问题 The default time.Duration String method formats the duration with adding 0s for minutes and 0m0s for hours. Is there function that I can use that will produce 5m instead 5m0s and 2h instead 2h0m0s ... or I have to implement my own? 回答1: Foreword: I released this utility in github.com/icza/gox, see timex.ShortDuration(). Not in the standard library, but it's really easy to create one: func shortDur(d time.Duration) string { s := d.String() if strings.HasSuffix(s, "m0s") { s = s[:len(s)-2] } if

问题 The default time.Duration String method formats the duration with adding 0s for minutes and 0m0s for hours. Is there function that I can use that will produce 5m instead 5m0s and 2h instead 2h0m0s ... or I have to implement my own? 回答1: Foreword: I released this utility in github.com/icza/gox, see timex.ShortDuration(). Not in the standard library, but it's really easy to create one: func shortDur(d time.Duration) string { s := d.String() if strings.HasSuffix(s, "m0s") { s = s[:len(s)-2] } if

问题 I have basic code for playing couple of audio files via exoplayer ExtractorMediaSource audioSource = new ExtractorMediaSource(uri, dataSourceFactory, extractor, null, null); ExtractorMediaSource audioSource2 = new ExtractorMediaSource(uri2, dataSourceFactory2, extractor, null, null); ConcatenatingMediaSource concatenatedSource = new ConcatenatingMediaSource(audioSource, audioSource2); I'm trying to get duration off all media sources using code example from https://github.com/google/ExoPlayer

问题 How can I get total slide duration time in PPTX file inculde effect? using (PresentationDocument doc = PresentationDocument.Open(@"C:\powerpoint\sample.pptx", true)) { // Get the presentation part of the document. PresentationPart presentationPart = doc.PresentationPart; // No presentation part? Something is wrong with the document. if (presentationPart == null) { throw new ArgumentException("fileName"); } Console.WriteLine(presentationPart.SlideParts.Count() + "count"); // I want to get like

问题 How can I get total slide duration time in PPTX file inculde effect? using (PresentationDocument doc = PresentationDocument.Open(@"C:\powerpoint\sample.pptx", true)) { // Get the presentation part of the document. PresentationPart presentationPart = doc.PresentationPart; // No presentation part? Something is wrong with the document. if (presentationPart == null) { throw new ArgumentException("fileName"); } Console.WriteLine(presentationPart.SlideParts.Count() + "count"); // I want to get like

来源： https://stackoverflow.com/questions/40690433/audio-tags-duration-property-is-returning-infinity

来源： https://stackoverflow.com/questions/40690433/audio-tags-duration-property-is-returning-infinity

问题 1.I want to find out if an event with start time and end time falls "inside" or "Outside" working shifts for associates. 2.Segregate and calculate the production duration that falls within shift hours or outside shift hours. (The Shift timings are 5pm to 2am which would be the next day so that is something to look out of for.) In the attached image you can see that Row 2 : Stamp_IST is the starting time and Stamps_IST End is the end of that event (Production Hrs), For example in row 6 the