568 questions
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29
views
How to Invalidate JWT Token immediately on c#
In my application, I have to block a particular user and at the same time, the user will be logged out automatically. I am trying to remove the record when the user gets blocked. But even I delete the ...
0
votes
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24
views
Updating Xamarin.Android Custom View Layout After Updating In Code
I have a Custom View that inherits from GridLayout. I have implemented the standard constructors (by inheriting from the base constructors) and calling the Initialize method that I have implemented. ...
- 109
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votes
1
answer
17
views
Regarding react-query, while using refetch my data and error variables are not invalidated between renders
When clicking on button to get data, previous data/error is not getting cleared.
New data is getting appended. I've tried various options in react-query but none solved my issue.
Version used > @...
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70
views
invalid token error while decrypting using cryptography.fernet library
i am using django to build an ecommerce website and in my views.py i have a function that encrypts the password and enters it into database and another function that tries to decrypt the password in ...
1
vote
2
answers
107
views
VkInvalidateMappedMemoryRanges Usage
I’m having trouble to understand the usage of vkInvalidateMappedMemoryRanges.
The documentation says it invalidates caches lines of host to read data from main memory. What I understand is if I have ...
- 101
0
votes
1
answer
548
views
Unable to run backtesting.py on Jupyter Notebook
Backtest.run()
Output:
<bound method Backtest.run of <backtesting.backtesting.Backtest object at 0x0000022BAA3F79A0>>
Backtest.plot()
Output:
<bound method Backtest.plot of <...
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votes
1
answer
425
views
Hazelcast Near Cache Not Invalidating After 60 Seconds as Configured
I have set up Hazelcast 3.12 near cache for my application (java spring), and according to my configuration, it should invalidate the cache entries after 60 seconds. But for some reason, it doesn't ...
- 470
0
votes
1
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39
views
Label Text UserControl Not updateing
Sorry I won't be posted code on this post. Please forgive me.
So I have a tab control and on that tab control I have labels are populated with text from and XML file. On load the data shows but once I ...
- 39
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43
views
The difference between dcbf and dccivac arm instructions
Context:
I currently want to flush my descriptor to read the proper status bits.
Can someone explain to me if I should be using dcbf or dccivac instruction? I fail to understand the right difference ...
- 59
0
votes
1
answer
3k
views
Invalidate all queries but refetch only active
I want to achieve the behavior where after successful mutation, all queries with dependent data should be marked as invalid but only active should be refetched right away, and inactive should be ...
- 533
3
votes
1
answer
2k
views
Cache aside strategy : delete or update the cache after the write?
I am trying to understand something about the the cache aside strategy. The data is read from the cache if found (cache hit), and if not found (cache miss) read from the Database + updated in the ...
- 318
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69
views
Timer can not find in scope
Where is it wrong with this code?
@IBAction func startButton(_ sender: UIButton) {
var timer = Timer.scheduledTimer(timeInterval: 1, target: self, selector: #selector(update), userInfo: nil, ...
2
votes
1
answer
561
views
AWS Cloudfront giving 503 after invalidating s3 origin
I'm having simple setup where I have Cloudfront delivering s3 static website origin. The behavior is set to be http only, cache policy is s3 recommended and cors headers are s3 recommended. However, ...
- 23
0
votes
1
answer
4k
views
How to invalidate whole cache for Apollo GraphQL (not for one specific query) onclick
What I need is to force all the queries that I have on pages to refetch data after clicking one button.
I have found the soultion for one specific query here (https://www.apollographql.com/docs/react/...
1
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0
answers
46
views
How Postgres avoid "iteration invalidation" and you can loop over rows and modify the data at the same time?
I wonder how PG manages to allow the change in the table while you iterate it at the same time.
In special, I looking for how this is done at the low-level/internals of the engine, because I wish to ...
- 16.2k