I'm playing around with Google rich results. I created HowTo markup for an article. The docs.
One of the parameters (in JSON-LD) is totalTime. The docs say that this should be given in ISO 8601 format. I would like to say '5 minutes' in ISO 8601 format. How do I use this?
In the docs, Google gives an example: 3 days. This is defined as P2D.
I searched on the internet, but I couldn't really find a simple solution about how this works. Can anyone explain the basics of this and how to convert time intervals like "x minutes"?
I would be very grateful if somebody could explain this to me?
This provides a more detailed explanation of the format:
https://en.wikipedia.org/wiki/ISO_8601#Durations
5 minutes would be PT5M. Period, Time, 5 Minutes.
take this iso 8601 duration generator:
https://www.345tool.com/de/time-util/time-duration-calculator
edit the two dates "from ... to" and you see the totalTime in ISO 8601 String format.
Related
I need to parse strings with time like '09:21:15 EST' (where EST is US Eastern timezone), so that the information about summer / winter time (daylight saving time) is correct, so that UTC−05:00 is used for winter dates, and UTC−04:00 for summer dates.
It is also necessary to support the direct setting of the UTC offset - '09:21:15 UTC−04:00', in which case daylight saving time should not be taken.
I Didn't find anything intelligible and sensible in Qt documentation for QDateTime, QDate, QTime, QTimeZone etc.
Is there an easy way to solve this problem?
In general, in any language, what you ask cannot be done reliably.
EST is not a time zone. It's an English abbreviation for an aspect of a time zone.
There are places that use EST without EDT, such as Jamaica for example. See more here.
There are non-English abbreviations to consider, such as HNE that's used in places in French-speaking Canada such as Montréal.
Many abbreviations are ambiguous. For example CST could be Central Standard Time, Cuba Standard Time, or China Standard Time.
Many time zones don't have any abbreviation - even in English. They are sometimes given invented (made up, artificial) abbreviations that aren't legal or in common usage, but in reality they are referred to by their country name or only by their UTC offset (for a given timestamp).
In order to convert between time zones reliably for multiple timestamps, you need an IANA time zone identifier, such as "America/New_York". QTimeZone can work with these.
On any given timestamp you can have an offset from UTC, such as -05:00. You can set an offset when using QDateTime.
If you are absolutely sure you are only working with timestamps from North America containing common English abbreviations, you could build and use an opinionated mapping between string and offset, such as "EST" == -5, "EDT" == -4, "CST" == -6, "CDT" == -5, etc. But it can only map abbreviation to offset, not to a time zone. (See also "Time Zone != Offset" in the timezone tag wiki.)
Qt likely has the features you need already implemented.
With QDateTime::fromString you can use t in the format string to mark timezone characters.
Have a look into this question as well: Qt QDateTime from string with timezone and daylight saving
There you can get an example, which shows that you need the QDateTime in the LocalTime specification to be able to deal with daylight saving times.
However, QDateTime::offsetFromUtc is dependent from the QDateTime's current specification...
I guess, you would need to always convert the QDateTime object to the same TimeSpec before comparing offsetFromUtc
I am using the Google Cloud PHP Natural Language library, but I am struggling to extract the date from a sentence. The date would be in various formats e.g.
Tomorrow at 9am
Monday 23rd of July
01-01-2018
24-01-2018
01-24-2018 (if you're not British)
I can get this working with Dialofglow, so it knows when an entity is a date and/or datetime, but for some reason with this library it cannot figure out if something is a date and/or date time
Any help would be much appreciated
You can get dates out from text on Dialogflow because this is a Natural Language Understanding service, while Cloud NL API is only a Natural Language Processing service.
This means that on Cloud NL API you can only do some types of analyses, such as Syntax Analysis, Entity Analysis, Sentiment Analysis, Entity Sentiment Analysis and Content Classification.
You may say: "Wait, then why a date is not classified as an entity?" and the answer is that it could, but it's not a feature yet released on this product. You may consider to request this feature on GCP's Issue Tracker.
Is there an effective Natural Language Processor that can fetch the phone number and date of birth from human speech. Each user has a different way of specifying the phone number and date of birth. Hence, converting speech to text and then parsing the text for phone number is not helpful.
You can use Google speech to text api. I had used same for entering account number for blind people. I was working for bank so I there were lots of numbers involved as input eg account number, card number etc.
With Google STT engine you can define custom voice inputs.
Also I had created feedback mechanism using Text to Speech Api so that app can tell if users feedback is invalid and request him to speak again.
You can see code snippet at github.
https://github.com/hiteshsahu/Android-TTS-STT
Easiest way is to extract text from speech, there is plenty of tools, proprietary (nuance), and tinker friendly open source like sphinx, and plenty of tools to extract dates and phones expressed differently. IBM Watson offers one, Smart Formatting beta, to uniform dates and phones in own transcripts. To guess which dates are birthdays you try detect related keywords (birth, born so on) nearby.
For few free alternatives, check
For phone #
https://www.npmjs.com/package/phone-number-extractor
https://github.com/googlei18n/libphonenumber
For date extractions check prev questions
Extracting dates from text in Java
Best way to identify and extract dates from text Python?
There is a patent for the process your are asking, but you might have to pay royalties or smth.
http://www.freepatentsonline.com/8416928.html
If you want to fetch the phone number and date of birth from human speech.
So, you can use another option and implement it.
https://cloud.google.com/speech/
This API is really useful for converting your speech to text. I also have this problem at one moment so you can try it too.
The another API which is really good for authentication.
https://api.ai/
I hope it helps you.
I am playing around with NodeMCU on an ESP8266. I have a Date String and a Time String from a Web Request like this:
15.07.16 (German format DD.MM.YY)
19:50 (24 hours format)
These DateTimes lay usually a little bit in the future. I want to get the number of minutes from the current time to the time from my strings above.
I guess I have to create a time object from the strings and then compare it to the current time. But how can I do that with Lua?
Unfortunately there is no os Library on NodeMCU (or I might have missed how to enable it).
Calculating the difference manually would be a huge pain which I would like to avoid. Does anyone know a way to compute that with available or external libraries?
Thanks for any support!
There's a pending PR for rtctime that does the exact opposite, Unix epoch to UTC calendar.
If you convert your strings to a Unix epoch X you could do
-- delta in minutes
local delta = (X - rtctime.get()) / 60
You can either calculate X yourself, which is far from trivial due to leap years & seconds and other date/time oddities, or your can send a request to http://www.convert-unix-time.com/api?date=15.07.2016%2019:50&timezone=Vienna&format=german and extract the timestamp from it.
First you get the numbers from the strings using Lua's string library:
https://www.lua.org/pil/20.html
https://www.lua.org/manual/5.3/manual.html#6.4
Then you do the time calculations using Lua's os library:
https://www.lua.org/pil/22.1.html
https://www.lua.org/manual/5.3/manual.html#6.9
I won't give you more information as you did not show any own effort to solve the problem.
Addon:
As you don't have the os library (didn't know that) you can simply calculate that stuff yourself.
Get the month, year hour and minute number from the strings using string.sub or string patterns.
Then simply calculate the time difference. You know how many days each month has. You know how many minutes per hour and how many hours per day.
Determine if the year is a leap year (if you don't know how: https://support.microsoft.com/en-us/kb/214019)
I like the Noda Time handling of formatting and parsing values using the various *Pattern types in the NodaTime.Text namespace. However, user input is often not as regular as a single format. For example, our app uses the time format "h:mm tt" but we would like to be able to parse user input in any of the following formats:
h:mm tt
h:mmtt (no space)
h:mm t
h:mmt (no space)
h tt
hh:mm
and so on...
Is there a way to use Noda Time to parse input that may be in any of a number of formats?
(Sorry for taking so long to respond to this.)
Annoyingly, it looks like we haven't exposed this.
It's present in Noda Time in the CompositePattern class. Unfortunately that's currently internal. I've raised issue 147 to fix this at some point (probably in the 1.1 time frame).
For the moment, it's probably easiest to just use the same code from CompositePattern - you needn't create your own IPattern<T> implementation for this, as it's only really the Parse method which is useful. (Indeed, you could even write it as an extension method on IEnumerable<IPattern<T>>, although I'm not sure offhand whether we've given enough visibility to create the same kind of failure result.)