restless | Corvusoft 's Restless framework brings | Application Framework library
kandi X-RAY | restless Summary
kandi X-RAY | restless Summary
Corvusoft's Restless framework brings asynchronous RESTful client functionality to C++11 applications. http://www.corvusoft.co.uk
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of restless
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Trending Discussions on restless
QUESTION
I created a sandbox to outline the main points of interest: https://codesandbox.io/s/restless-dawn-nwy0l
Please ignore the formatting as this is just a MWE I put together.
When I run the following test in the sandbox above
...ANSWER
Answered 2021-Jun-04 at 18:08In your test, you setup a mock version of value, dispatch
which does not trigger update when you click on Block mine
button.
But in actual code, in App.tsx
you use useReducer
hook (deep down it trigger re-render and new props is passed to Statistics
via Context).
To fix it, just simulate your test with useReducer
QUESTION
After compiling I receive this error message:
Failed to compile src\App.js Line 4:1: 'state' is not defined no-undef
Code App.js:
...ANSWER
Answered 2021-Apr-14 at 04:42Functional components don't have a defined this
, and any state should be declared in a useState
hook.
Use the useState
hook and set initial state.
QUESTION
I am trying to show an image of a file that was selected from input without sending data to the server.
Wanted to do it with URL.createObjectUrl
.
ANSWER
Answered 2021-Apr-02 at 01:49You are using a functional component. There is not this.state
, isn't it?
You should use useState
. I updated the codesandbox for you: https://codesandbox.io/s/zealous-noether-3tz4f?file=/src/App.js
QUESTION
codesandbox here: https://codesandbox.io/s/restless-haze-v01wv?file=/src/App.js
I have a Users component which (when simplified) looks something like this:
...ANSWER
Answered 2021-Mar-11 at 05:12You have defined Content
inside EditUser
component which we never do with React Components, because in this situtaion, Content
will be re-created every time the EditUser
is re-rendered. (surely, EditUser is going to be re-rendered few/many times).
So, a re-created Content
component means the old Content
will be destroyed (unmounted) and the new Content
will be mounted.
That's why it is be being mounted many times and hence resetting the state values to initial values.
So, the solution is to just define it (Content) outside - not inside any other react component.
QUESTION
I am trying to run the producer-consumer problem while usingpthread_cond_signal()
instead of pthread_cond_broadcast()
, however, I attempted a lot of things and can't seem to do it (if I choose n
producers and one
consumer then the consumer finishes but not all producers finish, some are stuck on full queue so the problem never finishes executing. I got the initial code from someone else GitHub and I am trying to edit it to accomplish that (you can view the code on the attached link and I will paste it at the end of the post). The relevant parts here are the producer and consumer functions, currently I have the following:
Consumer:
...ANSWER
Answered 2021-Mar-05 at 13:39I am trying to run the producer-consumer problem while using
pthread_cond_signal()
instead ofpthread_cond_broadcast()
, however, I attempted a lot of things and can't seem to do it (if I choose n producers and one consumer then the consumer finishes but not all producers finish, some are stuck on full queue so the problem never finishes executing.
Well that sounds eminently plausible. If you have multiple threads blocked on a CV, then one signal will wake one of them. The rest will remain blocked.
I am generally inclined to go the other way. If you use your CV correctly, then it is safe to always broadcast to it instead of signaling it, but doing the opposite exposes more area for possible bugs, especially when more than two threads are involved.
For the shutdown scenario in particular, I would recommend just using a broadcast. You need to wake potentially multiple threads, and that's exactly what pthread_cond_broadcast()
is for. You could have the main thread do that instead of either consumer or producer if you wish. But if you insist on using only pthread_cond_signal()
then you must be sure to call that function enough times to wake all threads that may be blocked on the CV. Again, some or all of those calls could be performed by the main thread.
Notwithstanding my above recommendation to broadcast, a relatively good way to obtain clean shutdown with signaling only would be for each producer to signal the notFull CV before terminating. There are a couple of places you could put that, but I would probably do this, myself:
QUESTION
I am quite new to programming, and I have tried restlessly to figure out how to do this, but Alas I have yet to find anything. In my program, I have a struct. It is a sport sim, so the struct looks a bit like this
...ANSWER
Answered 2021-Feb-11 at 02:46in your structs you have the member
int reputation;
assuming this is your "way to arrange them" you could declare a nested loop that iterate throug your array to find which team have the highest reputation
for the outer loop to iterate through each team. and the inner loop to iterate through each team reputation"to find the highest reputation
".
Edit : Code example
QUESTION
Our application is implementing a feature that involves scanning QR codes, the scanner component was developed with @zxing/browser and it does work perfectly on localhost (tested on chrome and firefox, using macOS, Android, and iOS).
When we deploy it to our testing environment (which is served via HTTPS) it stops working on chrome for both desktop and android. Firefox still works fine on both and chrome works on iOS only.
When debugging this issue, the error reported is:
...ANSWER
Answered 2021-Jan-22 at 14:41After some research, we were able to find that the reason the camera was being blocked on the testing environment was due to the feature policy header. In our application, it's added via asp.net web.config, since we don't have this on localhost it would work normally.
This will completely block access to camera:
QUESTION
I have a Card
component I try to change background color on when clicking on it, and change the flipped
prop from false
to true
, but it is not working. What am I missing?
ANSWER
Answered 2020-Dec-21 at 22:18You need to pass the flipped
prop of your Card
component to your FlipDiv
component so that you can use it in the styles.
QUESTION
My objective is to align vertical line perfectly in the middle even we squeeze the page. Is it possible make the alignment effectively?
I've tried in this way
...ANSWER
Answered 2020-Dec-21 at 10:57I assigned relative positioning to the parent progress container to align the line with absolute positioning.
Note: I started rule left: 49.5%
. Since the line width is 1px
. This means that the line is perfectly centered.
Try this code:
style.css
QUESTION
this is a sample in code sand box
https://codesandbox.io/s/restless-shadow-iiw4p?file=/src/App.jsx
I want to create table that can be added. However can not control input value.
How can I control multiple input object value in map?
...ANSWER
Answered 2020-Nov-24 at 03:31In your code sample you did not call the setValues()
function. That's why you could not control the input. Here are some modifications to your code:
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