Recent questions tagged Time

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time - Using %f with strftime() in Python to get microseconds

I'm trying to use strftime() to microsecond precision, which seems possible using %f (as stated here). However when I ... , as far as I know.) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time - How can I speed up fetching pages with urllib2 in python?

I have a script that fetches several web pages and parses the info. (An example can be seen at ... /BeautifulSoup.py:1397(unknown_starttag) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time - Output is in seconds. convert to hh:mm:ss format in php

My output is in the format of 290.52262423327 seconds. How can i change this to 00:04:51? The same output i ... $newsec as 290.52. Thanks :) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time - Rounding up to nearest 30 minutes in python

I have the following code below. I would like to roundup TIME to the nearest 30 minutes in the hour. ... [2]) Thanks in advance See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time series - Apache Spark Moving Average

I have a huge file in HDFS having Time Series data points (Yahoo Stock prices). I want to find the moving ... about writing the Apache Spark job to do that . Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time - Extract year/month/day etc. from std::chrono::time_point in C++

How can I extract the year, month, day, hour, minute, second and millisecond from an std::chrono::time_point object ... amount of e.g. seconds from a duration. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time - High-precision clock in Python

Is there a way to measure time with high-precision in Python --- more precise than one second? I doubt that ... I'd like to directly access the time values. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time - Java 8 Instant.now() with nanosecond resolution?

Java 8's java.time.Instant stores in "nanosecond resolution", but using Instant.now() only provides millisecond ... is 'now', but with nanosecond resolution? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time - How to run a function periodically in python

I have a simple metronome running and for some reason when it is at a lower bpm it is fine, but at higher bpms ... get())))) except: print "Invalid BPM" return Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time - Should MySQL have its timezone set to UTC?

Follow up question of https://serverfault.com/questions/191331/should-servers-have-their-timezone-set-to-gmt-utc Should ... UTC) What are the pros and cons? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time complexity - Finding Big O of the Harmonic Series

Prove that 1 + 1/2 + 1/3 + ... + 1/n is O(log n). Assume n = 2^k I put the series into ... I have no idea how to tackle this problem. Any help is appreciated Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time - Making a countdown timer with Python and Tkinter?

I want to set a label in Tkinter using my countdown timer function. Right now all it does is set the lable to "10 ... .configure(text=round(n - t)) app=App() Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time - Convert number of minutes into hours & minutes using PHP

I have a variable called $final_time_saving which is just a number of minutes, 250 for example. How can I convert ... PHP in this format: 4 hours 10 minutes Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time series - Basic lag in R vector/dataframe

Will most likely expose that I am new to R, but in SPSS, running lags is very easy. Obviously this is user ... 10,] 7 3 Any guidance will be much appreciated. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time - Convert HH:MM:SS string to seconds only in javascript

I am having similar requirement as this: Convert time in HH:MM:SS format to seconds only? but in javascript. ... SS into seconds. Any help would be appreciated. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time - How to convert Milliseconds to "X mins, x seconds" in Java?

I want to record the time using System.currentTimeMillis() when a user begins something in my program. When he finishes, I ... . What's the best way to do this? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time - How to create an accurate timer in javascript?

I need to create a simple but accurate timer. This is my code: var seconds = 0; setInterval(function() { ... not accurate? How can I create an accurate timer? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time series - Heteroscedasticity, autocorrelation and unit roots test in python

I am making a 3sls model and I must do the tests indicated in the title of the question. ... /questions/65830299/heteroscedasticity-autocorrelation-and-unit-roots-test-in-python...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time series - Auto.arima application in R with sub-daily data - No seasonality given

I'm working on a R code and my aim is to make forecasts with a model chosen by applying auto.arima function ... auto-arima-application-in-r-with-sub-daily-data-no-seasonality-given...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time - javascript new Date(year, month, day) gives wrong value

I'm using this browser extension that lets you change the timezone of your browser. When I set my ... /questions/65849504/javascript-new-dateyear-month-day-gives-wrong-value...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time complexity - When can a quadratic algorithm be better than an logarithmic one?

As in when there are two algorithms that solve the same problem, one being quadratic and one being logarithmic, ... -can-a-quadratic-algorithm-be-better-than-an-logarithmic-one...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time complexity - Leetcode - Maximum Length of a Concatenated String with Unique Characters

Leetcode question 1239: Given an array of strings arr. String s is a concatenation of a sub-sequence of ... /leetcode-maximum-length-of-a-concatenated-string-with-unique-characters...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time - Only last week value pine script

I am trying to get only last week high/low values,NOT all weeks values t = input(title = "study", ... https://stackoverflow.com/questions/65867916/only-last-week-value-pine-script...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time series - what is the possible timeseries problem that might have caused this plot?

what is the possible timeseries problem that might have caused this plot? Every 22 months the data collected ... the-possible-timeseries-problem-that-might-have-caused-this-plot...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time - Setting up Linux server to run web application

I'm having a website developed with linux server and an api driven front-end. Most, if not all users are ... .com/questions/65910062/setting-up-linux-server-to-run-web-application...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time series - ARIMAX model: lagged x regressor variable specification within model call and associated AIC

I am hypothetically attempting to fit an auto.arima ARIMAX model with y = a given proportion over a daily ... -lagged-x-regressor-variable-specification-within-model-call-and-as...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time - Stop processes from python multiprocessing that take too long

I want to evaluate a very complicated (and possibly slow) function for N different input values. def f(x ... /65928485/stop-processes-from-python-multiprocessing-that-take-too-long...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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time series - Add quadratic line in R plot

I drew phillips curve for 2007-2020 and I want to add quadratic trend. My phillips curve form is as follows: ... //stackoverflow.com/questions/65945010/add-quadratic-line-in-r-plot...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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