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time - How do I work around Delphi's inability to accurately handle datetime manipulations?
    I am new to Delphi (been programming in it for about 6 months now). So far, it's been an extremely ... suppose to work around this problem? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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time series - Calculate days since last event in R
    My question involves how to calculate the number of days since an event last that occurred in R. Below ... would be greatly appreciated. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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time - How do I convert hh:mm:ss.000 to milliseconds in Excel?
    I have a device which outputs the time in the format hh:mm:ss.000, e.g., 00:04:58.727 and I need to ... am looking for a cell-by-cell solution. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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486 views
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time - print current date in java
    I want to print current date and time in java..This is the code I am trying from a java tutorial: ... java DateDemo The output is: Date@15db9742 See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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655 views
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time - R issue with rounding milliseconds
    Given the following issue with rounding milliseconds under R. How do I get around it so that the times are ... millisecond time from a string. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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683 views
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time - iOS Format String into minutes and seconds
    I am receiving a string from the YouTube JSONC api, but the duration is coming as a full number i.e 2321 ... "%d:%02d", minutes, seconds]; See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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824 views
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time - How to calculate ms since midnight in Javascript
    What is the best way to calculate the time passed since (last) midnight in ms? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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810 views
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time - Java 8 DateTimeFormatter with optional part
    I have a String representing a date (with or without time) like 13/12/2017 or 13/12/2017 15:39:51 So ... does not work with the same exception. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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time - How to represent dates before epoch as a UNIX timestamp
    It occurred to me that I'm not aware of a mechanism to store dates before 1970 jan. 1 as Unix timestamps. ... back in history by any means? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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time series - Using Prophet Package to Predict By Group in Dataframe in R
    I am using the new package released from Facebook called Prophet. It does time series predictions and I want to ... group rather than in total? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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548 views
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time - Creating a timer in python
    import time def timer(): now = time.localtime(time.time()) return now[5] run = raw_input("Start? > ") ... does not increment in this code. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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593 views
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time - Ticks between Unix epoch and GPS epoch
    What is the number of one second ticks between Unix time epoch (01 Jan 1970) and GPS time epoch (06 ... since GPS epoch covered appropriately. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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752 views
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time - How to Calculate Duration in Hours Using Google Data Studio
    I'm trying to get the duration in hours using data stored in Google sheets using the following fields and display the ... didn't seem to work. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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775 views
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time series - Replace -inf, NaN and NA values with zero in a dataset in R
    I am trying to run some trading strategies in R. I have downloaded some stock prices and calculated returns. ... these unwanted values with 0? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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648 views
1 answer
time - How to AUTO update MySQL after timestamp field expierd
    How do I automate MySQL Update or Insert upon expire timestamp? So let say timestamp is 2013-06-30 20:10:00 ... ) < (select now()); See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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575 views
1 answer
time - How do you say something happened "x minutes ago" or "x hours ago" or "x days ago" in Ruby?
    If I have a time variable in Ruby, how could I say that it refers to an event that happened one of the ... happened such-and-such minutes ago. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1.8k views
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time complexity - Runtime of python's if substring in string
    What is the big O of the following if statement? if "pl" in "apple": ... What is the overall big O of ... use the same algorithm as .find()? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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453 views
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time - Synchronization (of clocks) between two remote computers
    I'm looking into writing a simple synchronization ability into my app and one of the concerns that has popped ... some very small delta anyway. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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729 views
1 answer
time - Run code for x seconds in Java?
    I'd like to write a java while loop that will iterate for 15 seconds. One way I thought to do this would ... signature. Is there a better way? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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540 views
1 answer
time series - Is RNN initial state reset for subsequent mini-batches?
    Could someone please clarify whether the initial state of the RNN in TF is reset for subsequent mini-batches, or the ... et al., ICLR 2015 ? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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521 views
1 answer
time complexity - Complexities of binary tree traversals
    What is the time complexity of inorder,postorder and preorder traversal of binary trees in data structures?? Is it O(n) or O(log n) or O(n^2)?? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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583 views
1 answer
time - Difference between two dates in minute, hours javascript
    I want to find difference between two dates. I have tried this code but it gives me wrong values. I want ... Am I doing something wrong here? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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711 views
1 answer
time - Python loop to run for certain amount of seconds
    I have a while loop, and I want it to keep running through for 15 minutes. it is currently: while True: ... minutes it exits the loop) 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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512 views
1 answer
time series - R data.table sliding window
    What is the best (fastest) way to implement a sliding window function with the data.table package? I'm trying to ... date, factor1, factor2))] } See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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967 views
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time - PHP Timezone List
    I am looking for a way to generate a list of timezones for display in a <select> Generating a drop down list of ... similar. How can I get that? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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695 views
1 answer
time - how to convert 270921sec into days + hours + minutes + sec ? (ruby)
    I have a number of seconds. Let's say 270921. How can I display that number saying it is xx days, yy hours, zz minutes, ww seconds? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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707 views
1 answer
time - Android problem finding out how recent latest GPS fix is
    My app uses LocationListener to keep track of the current location. So long as the GPS Provider is providing ... around 20 seconds is normal? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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837 views
1 answer
time complexity or hidden cost of <Array Name>.length in java
    I was looking at a project in java and found a for loop which was written like below: for(int i=1; i<a ... 's value inside the function. 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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