intervals

Repeat Alarm Manager At Exact Interval in API=>19?

由 杀马特。学长 韩版系。学妹 提交于 2019-11-26 21:01:49
问题 I had a massive reading and still I think there is not a clear/complete Answer to this question. First some stuff to clarify : this question is not concern with battery saving on phone but more about precise timing and I Am a newbie in Android. Now let me explain the question in more depth. I have a Alarm manager that will invoke a toast (for simplicity) on given interval (every 2 minutes) manager.setRepeating(AlarmManager.RTC_WAKEUP,System.currentTimeMillis(), interval, pendingIntent); The

SQL to find time elapsed from multiple overlapping intervals

由 吃可爱长大的小学妹 提交于 2019-11-26 20:42:38
问题 Not using MSSQL or DB2 or Oracle. No CTE. No OVERLAP predicate. No INTERVAL data type. The situation: on a vehicle to be repaired work can not start until all parts ordered for the job have been received. Parts may be ordered multiple times prior to the start of repair. We need to extract the time for which the vehicle was on "parts hold" So for a vehicle identified as id = 1 parts were ordered (d1) and received (d2) on 4 different occasions ID d1 d2 1 8/1 8/8 1 8/2 8/6 1 8/12 8/14 1 8/3 8/10

Finding matching interval(s) in pandas Intervalindex

由 强颜欢笑 提交于 2019-11-26 20:26:50
问题 There's this interesting API called Intervalindex new in 0.20 that lets you create an index of intervals. Given some sample data: data = [(893.1516130000001, 903.9187099999999), (882.384516, 893.1516130000001), (817.781935, 828.549032)] You can create the index like this: idx = pd.IntervalIndex.from_tuples(data) print(idx) IntervalIndex([(893.151613, 903.91871], (882.384516, 893.151613], (817.781935, 828.549032]] closed='right', dtype='interval[float64]') An interesting property of Interval s

ISO 8601 Time Interval Parsing in Java

由 假装没事ソ 提交于 2019-11-26 19:59:08
问题 ISO 8601 defines a syntax for representing a time interval. There are four ways to express a time interval: Start and end, such as "2007-03-01T13:00:00Z/2008-05-11T15:30:00Z" Start and duration, such as "2007-03-01T13:00:00Z/P1Y2M10DT2H30M" Duration and end, such as "P1Y2M10DT2H30M/2008-05-11T15:30:00Z" Duration only, such as "P1Y2M10DT2H30M", with additional context information If any elements are missing from the end value, they are assumed to be the same as for the start value including

R - Faster Way to Calculate Rolling Statistics Over a Variable Interval

由 跟風遠走 提交于 2019-11-26 18:14:15
问题 I'm curious if anyone out there can come up with a (faster) way to calculate rolling statistics (rolling mean, median, percentiles, etc.) over a variable interval of time (windowing). That is, suppose one is given randomly timed observations (i.e. not daily, or weekly data, observations just have a time stamp, as in ticks data), and suppose you'd like to look at center and dispersion statistics that you are able to widen and tighten the interval of time over which these statistics are

How do I convert an interval into a number of hours with postgres?

由 拈花ヽ惹草 提交于 2019-11-26 17:58:18
问题 Say I have an interval like 4 days 10:00:00 in postgres. How do I convert that to a number of hours (106 in this case?) Is there a function or should I bite the bullet and do something like extract(days, my_interval) * 24 + extract(hours, my_interval) 回答1: Probably the easiest way is: SELECT EXTRACT(epoch FROM my_interval)/3600 回答2: If you want integer i.e. number of days: SELECT (EXTRACT(epoch FROM (SELECT (NOW() - '2014-08-02 08:10:56')))/86400)::int 回答3: To get the number of days the

How can I use ranges in a switch case statement using JavaScript?

由 女生的网名这么多〃 提交于 2019-11-26 17:35:59
How can I use ranges in a switch case statement using JavaScript? So, instead of writing code for each and every single possibility, I'd like to group them in ranges, For example: switch(myInterval){ case 0-2: //doStuffWithFirstRange(); break; case 3-6: //doStuffWithSecondRange(); break; case 6-7: //doStuffWithThirdRange(); break; default: //doStuffWithAllOthers(); } T.J. Crowder You have at least four options: 1. List each case As shown by LightStyle , you can list each case explicitly: switch(myInterval){ case 0: case 1: case 2: doStuffWithFirstRange(); break; case 3: case 4: case 5:

Show TimePicker with minutes intervals in android

由 穿精又带淫゛_ 提交于 2019-11-26 17:11:10
My application show a TimePickerDialog to set a time. I want that the timePickerDialog show the minutes with an interval of 5 minutes. This works fine with this code: private final int TIME_PICKER_INTERVAL=5; private boolean mIgnoreEvent=false; … public TimePickerDialogs(Context arg0, OnTimeSetListener callBack, int hourOfDay, int minute, boolean is24HourView) { super(arg0, callBack, hourOfDay, minute, is24HourView); formato=Statics.formato; } @Override public void onTimeChanged(TimePicker view, int hourOfDay, int minute) { //super.onTimeChanged(arg0, arg1, arg2); if (mIgnoreEvent) return; if

Run a function in time interval in jQuery

由 会有一股神秘感。 提交于 2019-11-26 16:59:20
问题 I want to make a banner by using jQuery. When the page loaded script will show a group of photos one by one. For example, the controller sends 10 photos and each photo will be shown in 30 seconds after 10 minutes the script demand another photo from the controller. The question is: How can I make a function that runs in 30 sec. I need to run a function in a time interval without any button click or anything else. 回答1: The main method is: setInterval(function () { console.log('it works' + new

PostgreSQL how to concat interval value '2 days'

由 亡梦爱人 提交于 2019-11-26 16:53:26
问题 In PostgreSQL I want to concat the current_timestamp with an interval as follows: select current_timestamp + interval 2||' days' But when I do, I get an error: [Err] ERROR: syntax error at or near "2" LINE 1: select current_timestamp + interval 2||' days' But if I do it like this, it works correctly: select current_timestamp + interval '2 days' Why does one work, but not the other? With reference to the following page http://www.postgresql.org/docs/8.0/static/functions-datetime.html 回答1: Part
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