wit | safe programming language | Natural Language Processing library
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kandi X-RAY | wit Summary
A [not-so-soon-to-be] safe programming language closely integrated with various tools for ease of development.
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QUESTION
In my iOS app "Progression" there is rarely a crash (1 crash in ~1000+ Sessions) I am currently not able to fix. The message is
Progression: protocol witness for TrainingSetSessionManager.update(object:weight:reps:) in conformance TrainingSetSessionDataManager + 40
This crash points me to the following method:
...ANSWER
Answered 2021-Jun-15 at 13:26While editing my initial question to add more context as Jay proposed I think it found the issue.
What probably happens? The view where the crash is, contains a table view. Each cell will be configured before being presented. I use a flag which holds the information, if the amount of weight for this cell (it is a strength workout app) has been initially set or is a change. When prepareForReuse is being called, this flag has not been reset. And that now means scrolling through the table view triggers a DB write for each reused cell, that leads to unnecessary writes to the db. Unnecessary, because the exact same number is already saved in the db.
My speculation: Scrolling fast could maybe lead to a race condition (I have read something about that issue with realm) and that maybe causes this weird crash, because there are multiple single writes initiated in a short time.
Solution: I now reset the flag on prepareForReuse to its initial value to prevent this misbehaviour.
The crash only happens when the cell is set up and the described behaviour happens. Therefor I'm quite confident I fixed the issue finally. Let's see. -- I was not able to reproduce the issue, but it also only happens pretty rare.
QUESTION
In the simple example below I get the error Tactic failure: Cannot find witness. The lemma seems rather trivial so I guess, I'm not using the quantification properly.
...ANSWER
Answered 2021-Jun-15 at 11:55Looking at the documentation, it does not seem that the decision procedure for lia handles existential quantifiers, so you have to instantiate the existential by yourself, e.g.
QUESTION
I got three similar crash reports that I can't reproduce (all on iOS 14.4). The stracktrace says the following (I only pasted the part where my app is starting):
...ANSWER
Answered 2021-Jun-13 at 04:52Let's analyze
QUESTION
I am having an issue with SmtpClient in an ASP.NET web application.
I have a generic function that builds an email message and then sends it. The code is as follows:
...ANSWER
Answered 2021-Jun-11 at 23:21The error is telling you that the the SMTP server does not have a user with that email address (usually it has to do with security around the FROM address). The SMTP server will not send email if it does not recognize the FROM address.
Solution, change your FROM. Example:
QUESTION
So, I'm pretty sure this should be possible without choice. Maybe I am wrong.
Here is a minimal reproducible example of what I'm trying to do:
...ANSWER
Answered 2021-Jun-11 at 09:25In the two links you mention, the problem is the segregation enforced by Coq between propositions (those types of type Prop
) and other types (those with type Set
or Type
), with the idea being that proofs should not be needed for programs to run. However, in your case both set M
and subset M
are propositions, so this separation is not a problem: as you saw when defining fn0
, Coq is perfectly happy to use the first component of your existential type to build the function you are looking for. This is a good point of constructive mathematics: modulo the separation between Prop
and Type
, choice is simply true!
Rather, the problem comes from the second part of the proof, i.e. the proof of equality of functions. It is a subtle issue of Coq that equality of functions is not extensional, that is the following axiom cannot, in general, be proven
QUESTION
I'm trying to create a Unet for semantic segmentation.. I've been following this repo that has the code from this article. I'm using the scene parsing 150 dataset instead of the one used in the article. My data is not one-hot encoded so I'm trying to use sparse_categorical_crossentropy for loss.
This is the shape of my data. x is RGB images, y is 1 channel annotations of categories (151 categories). Yes, I'm using just 10 samples of each, just for testing, this will be changed when I can actually get it to start training.
...ANSWER
Answered 2021-Jun-10 at 13:36QUESTION
I'm trying to download attachments within emails based on file name that have been received within the last 24 hour AND are the first match. The first match is in-case a second email with the same filename is received and needed to be output to the location. The files are received to the inbox typically once a day but there are times where it'll have to be handled via the 'latest received'. So wit that said, when there is a match, the code supposed to grab the files and put the first matched files to the location and then stop / terminate the script.
However, it doesn't seem to take the time factor into account at all. At this point my code finds the first matched two files based on the filename, and dumps them into the location. Then it keeps overwriting the files as it finds older files with the same name within the inbox.
In this latest build / attempt, I'm using $limit = (Get-Date).AddDays(-1)
as well as -and ($_.CreationTime -lt $limit)
in my code. I've tried a number of methods but nothing seems to work.
ANSWER
Answered 2021-Jun-09 at 09:52You use CreationTime -eq $limit
. -eq
means equal. So it only works if the CreationTime
is the exact same microsecond as $limit
. What you are looking for is -gt
(greater than) or -ge
(greater or equal).
The other problem is $_.ReceivedTime -match $email
. It is trying to -match
the ReceivedTime
to an regex. But the regex you provide is the whole $email
. Take a look at about_Comparison_Operators
QUESTION
I'm trying to get all Tasks from a Story with the DevOps API but I only found a relation expand command which is not that what I want.
So how can I "expand" a Story to see all Tasks?
API REQ: https://----/----/----/_apis/wit/workitems/ID?api-version=5.1
With that I only get like the name, desc, state, reason, assignedto and so on.
...ANSWER
Answered 2021-Jun-09 at 11:00Check with the related REST API and Azure CLI, it seems that currently we have no easy way to get the list of Tasks that have been linked to a User Story.
You can execute the API "Work Items - Get Work Item" and get the list of work items that have linked to the specified User Story from the Response body of this API.
QUESTION
After numerous attempts still no success, trying to access this 'http://www.autobid.co.za/halfway/vehicledetails.php?wsdl , providing the username and password and then gathering the xml feedback. This code :
...ANSWER
Answered 2021-Jun-08 at 19:13The xml parser is choking on ampersands that aren't correct entities &
-> &
QUESTION
Does anybody have an idea why printed text shows properly in command prompts/terminals but Kivy's TextInput seems to distort it, there's an issue wit spaces.
...ANSWER
Answered 2021-Jun-07 at 01:31The text may look different in the TextInput widget than the terminal because the two use different fonts. The terminal (by default) uses a monospace font, meaning all characters take up the same space. Kivy (by default) does not use a monospace font so the different characters take up a different amount of space, causing text like what you provided to look misaligned.
To make the text in the TextInput monospace, you can change its font_name
to a monospace font.
If you need to, you can use any monospace font you want in your app by registering it with LabelBase from kivy.core.text
. Somewhere in your python file put LabelBase.register('font name', fn_regular='path to the font')
after importing LabelBase.
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