remind | Bring mindmap to browser | Editor library
kandi X-RAY | remind Summary
kandi X-RAY | remind Summary
Remind is a free, open source mindmap editor based on React. Try it on
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QUESTION
Good day everyone, I am currently struggling with writing mysql query which should make chat group from messages. App which I am making is taking data from other service, so it's not up to me to also manage chat groups, I need take this info from messages themselves.
My table of messages looks like this:
id sendAddr receiveAddr lastMessage text read 1 Ccbbd6uUZF2GD5wE5LEfjGPA3YWPjoLC6P CMKovgETx2oYxhoYKAeSakmipBjbmQ9ZHF 2021-06-02 12:57:39 test3 0 5 Ccbbd6uUZF2GD5wE5LEfjGPA3YWPjoLC6P CMKovgETx2oYxhoYKAeSakmipBjbmQ9ZHF 2021-06-02 13:00:44 test3 0 7 CMKovgETx2oYxhoYKAeSakmipBjbmQ9ZHF Ccbbd6uUZF2GD5wE5LEfjGPA3YWPjoLC6P 2021-06-10 23:13:59 testVPS 0 8 CMKovgETx2oYxhoYKAeSakmipBjbmQ9ZHF CYfMNQ62u1qwhCBqXzcmeJ8D9j4Yc1Pwef 2021-06-10 20:03:59 neco 0 9 CYfMNQ62u1qwhCBqXzcmeJ8D9j4Yc1Pwef CMKovgETx2oYxhoYKAeSakmipBjbmQ9ZHF 2021-06-10 21:03:59 test 0My only input data which I sent from my mobile app is receiveAddr
so I need to add this to group anything which containes address in either sentAddr
or receiveAddr
, here is representation of what I want to achieve
It needs to have latest text
counted amount of 0 in read
column and lastMessage
which is time of last message
I came up with something which sort of works if the user of the mobile app would be just receiving messages, which would be this:
SELECT sentAddr, COUNT(IF(campus.messages.read = 0, 1, NULL)) as unread, max(receiveTime) as lastMessage, max(text) as text FROM campus.messages WHERE (SELECT max(receiveTime) FROM campus.messages) AND receiveAddr = 'CMKovgETx2oYxhoYKAeSakmipBjbmQ9ZHF' GROUP BY sentAddr, receiveAddr
But sadly that does not get me a text from the latest message and not even taking into account that if the same user send some message, it shows as different group, which is not really helpful. I also came up with something which groups sendAddr and receiveAddr into one group no matter if it's on sending or receiving side:
GROUP BY CONCAT(LEAST(receiveAddr,sentAddr),' ', GREATEST(receiveAddr, sentAddr))
However in that case I can't with this added to upper query, it does not retrieve latest text, which is useless. So is there any chance of doing this with one query, no matter how long and convoluted it would be? And just to remind, only input data is user's address, which can be either sending or receiving address from the table. So is there any solution to this?
Version of the mysql database is 8.0.25
ANSWER
Answered 2021-Jun-15 at 07:54I figured it out, here it is:
QUESTION
The task is to build an accurate price calculator which accounts for a sales price based on quantity. I've built a gross price calculator using compiledCart.reduce() method, (below) however I can't figure out how to add the sales functionality.
If the user buys 1 Candy, the price is $3.97, if the user buys 2, the price is $5.00. If the user buys 3, then first two are $5.00 and the 3rd is $3.97. Same thing if the user buys 5. The first 4 are $10 and the 5th one is $3.97
My compiledCart variable looks like this:
...ANSWER
Answered 2021-Jun-15 at 05:53if the quantity is greater than 2 then:
divide the quantity by 2 and multiply by salesPrice
QUESTION
I am using the R programming language. I am trying to install the "Data Mining with R" (DMwR
) package. However, when I visit the CRAN website for this package, it seems to be gone:
Package ‘DMwR’ was removed from the CRAN repository.
Formerly available versions can be obtained from the archive.
Archived on 2021-03-16 as check problems were not corrected despite reminders.
A summary of the most recent check results can be obtained from the check results archive.
I visited the Github page for this package
Then, I tried to install this package directly from Github:
...ANSWER
Answered 2021-Jun-14 at 23:27You can install it from the CRAN github mirror (despite it being removed from CRAN), e.g.
QUESTION
I wanna loop "time" untill 12:30 but print only once. How would I do this?
...ANSWER
Answered 2021-Jun-14 at 20:41Just check the time.
QUESTION
I'm trying to migrate an existing, small Flutter app to Flutter 2.12. The null safety thing is new and still confusing to me. For the most part I have been successful in resolving the errors from the migration, but I haven't found a solution for this problem. Here we go:
I have a simple ProductListclass defined as so:
...ANSWER
Answered 2021-Jun-14 at 17:41change your productList declaration to late ProductList productList;
QUESTION
I am making an app using sqlite, and when I try to put the data into widget, I am having an error.. I am following a tutorial and it's giving me this error: The element type 'Iterable' can't be assigned to the list type 'Widget'.
...ANSWER
Answered 2021-Jun-13 at 20:24snapshot.data!.map
- I do not expect thatwidget
is a valid type, it should beWidget
.If you want to use the
.map
function inside ListView children, you should convert map result - iterable - to list and use the spread operator to spread this list inside children:
QUESTION
Is there away to run scheduled background job on stateful service in azure service fabric ? the only way I found only was timers & reminders which they run on Actors not stateful service. I'm trying to run scheduled background job to clean up some data in Reliable dictionary.
...ANSWER
Answered 2021-Jun-14 at 08:15The recommended way to run background jobs in Service Fabric is to simply override the RunAsync
operation. This works equally fine for stateful and stateless services - although, as already mentioned, Actors
provide some additional functionality with its built in support for reminders and timers.
Below is a very basic example
QUESTION
I wrote an AppleScript to synch my Reminders (via export to JSON). It runs great... from the Script Editor. As soon as I tried to run it on the command line via osascript
, I discovered it hits a wall when it tries to access reminders. After maybe a minute and a half, I get this error:
ANSWER
Answered 2021-Jun-07 at 06:12Wrap your script with timeout of 3600 seconds (1 hour). Your script time outs with default time = 2 minutes (120 seconds) per command. So,:
QUESTION
Pretty much what i need is whenever a child is clicked i need an alert to appear asking if the person is sure to delete the reminder. If they press yes it needs to be removed how is that done? My code is below. So far with the solutions i tried nothing happens when i attempt to delete it. For example using listDataChild.remove(childPosition)
does not work.
ANSWER
Answered 2021-Jun-10 at 18:00I was able to fix it by moving on Click into private void prepareListData()
. Then i added code which using child position and group position it got the text to remove from List Data.
The Code-
QUESTION
I tried to write a program which takes filepaths as (command line) arguments and returns the first line of each file
...ANSWER
Answered 2021-Jun-12 at 18:14I think you main error is that you messed up with the handle:
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