hops | An extension for Google Chrome to browse through the code
kandi X-RAY | hops Summary
kandi X-RAY | hops Summary
An extension for Google Chrome to browse through the code just like you'd do in your IDE.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of hops
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hops Examples and Code Snippets
def build_recursive_hd_all_reduce(input_tensors, red_op, un_op=None):
"""Construct a subgraph for recursive halving-doubling all-reduce.
The recursive halving-doubling algorithm is described in
(Thakur et al., 2015).
The concept is to arran
def _is_user_included_op(self, op):
"""Checks whether the op is included in the tensor tracer flags.
Args:
op: tf Operation
Returns:
True, if the op is included.
An op is included if:
- Its op name is given in inc
Community Discussions
Trending Discussions on hops
QUESTION
I am trying to setup simple cluster of 2 ActiveMQ Artemis brokers within Docker Swarm environment.
Stack configuration
...ANSWER
Answered 2022-Mar-18 at 13:53The connector
named "netty_connector" shouldn't use 0.0.0.0
. This is the address that will be sent to other nodes in the cluster to tell them how to connect back to the node who sent it. The address 0.0.0.0
will be meaningless in that context. It needs to be the actual IP address or hostname where the broker is listening for network connections.
QUESTION
I have a master slave setup with 1 master and 2 slaves. When I kill the master, one of the slave tries to become master but fails with following exception:
...ANSWER
Answered 2022-Mar-08 at 21:01I recommend you upgrade to the latest release and retry.
Also, I recommend simplifying your configuration to use just a single live/backup pair. The broker will only ever replicate data to one other broker. The second backup will be completely idle until either the master or current backup fails.
Lastly, using a single live/backup pair with the replication
ha-policy
is very dangerous due to the possibility of split-brain. I strongly recommend that you use shared-storage or once you move to the latest release you configure pluggable quorum voting with ZooKeeper to mitigate the risk of split-brain.
QUESTION
I have a below dataframe:
...ANSWER
Answered 2022-Mar-06 at 16:00regardless if there is maybe a better way starting from the beginning, to achieve the goal based on your output, here is a piece of code to get the number of changes in the list:
QUESTION
When I want to compute the shortest path through a timedelta
-weighted graph in networkx
like the following
ANSWER
Answered 2022-Feb-21 at 11:14Networkx initializes the path length to 0 when it starts (that’s the distance from the source to itself). Then to calculate the length of a path, it successively adds the weight of each edge.
In your case at the very first edge it cannot add 0
to datetime.timedelta(seconds=1)
. Hence the error about not adding an int
and datetime.timedelta
. If you convert the weight into a numerical value then it runs fine.
QUESTION
I have a few concerns with an OpenId Connect strategy that I would like to use and have been unable to find specifics on what the security concerns may be and any glaring issues with it I am overlooking.
Currently, I have an OpenId Connect implementation using Openiddict with Authorization Code flow. For the client, I have a React-Native app using react-native-app-auth.
I see from other questions on SO and from issues posted on the Openiddict repo that the recommended approach to third-party providers (e.g. Google) is: Client -> Auth server -> Google Auth -> Auth server -> Client/Auth server code and token exchange
However, it seems that a better approach from a UX standpoint (when using a SPA or native app) would be to implement something similar to GoogleSignIn on the client and either handle the identity on the server using an IdToken or authorization code from Google. This introduces an issue as the flow previously recommended could not be used as the entire initial challenge and redirect from Auth server to Google Auth has been skipped.
I have seen that this issue is mitigated by not using the authorization code grant and instead implementing a custom assertion grant. This seems to be an alright approach but would require exposing a custom grant and handling the flow differently on the client and server for local and third-party logins.
My proposed solution continues to use the authorization code flow and instead of adding a custom grant type the client could just pass a third-party identifier "Google" and the token or authorization code in the additional parameters of the OIDC authorize request. The authorize endpoint could then detect the provider and token, perform token validation, create a user or principal from it, and create an authorization code to send back to the client for the code/token exchange. This flow would look like the following:
1. Get the id token from the provider Client -> GoogleSignIn -> Client
2. Pass token to auth server and initiate code / token exchange Client -> Auth Server -> Auth server Verify Google IdToken (JWKS, issuer, audience, provider specific validation, etc...) or exchange auth code -> Auth server -> Client/Auth server code and token exchange
One downside to this approach would be the additional hops to verify the token on the server side. If the token was returned from GoogleSignIn, they themselves said that it could be trusted. https://developers.google.com/identity/protocols/oauth2/openid-connect#obtainuserinfo
I see that it is generally recommended to place the auth server between the client and the third-party but in this process the server is still between the client and auth server but only after the initial exchange from the client and third-party.
Questions,
In general am I missing something with this flow?
In this case would it be necessary to verify the token on the server side?
Is there some better way to approach this that I have completely overlooked?
Am I making this too complicated and UX should not be this much of a concern?
Instead of adding the provider and token to the additional parameters would it make more sense to pass it in the body of a post request? I don't see the issue with passing it via query string but that's also part of the reasoning for the authorization code grant from my understanding.
Apologies in advance for anything I have missed or omitted for brevity that should have been included.
Thanks.
...ANSWER
Answered 2022-Feb-14 at 14:27ARCHITECTURE
I'm not sure I understand the UX problem - your existing architecture feels really good. If you want to login directly to Google, just send an acr_values=google
query parameter in the authorization redirect, to bypass any authentication selection screens. The exact value will depend on how Openiddict represents the Google authentication option, and some providers use a non-standard parameter such as idp
. Have a closer look at the OIDC request parameters.
A key OAuth goal is that the Authorization Server (AS) - Openiddict in your case - shields your apps from all of the provider differences and deals with their nuances and vendor specific behaviour. Your apps then also only receive one type of token, and only ever use simple code. As an example, the Curity AS supports all of these options, none of which requires any code in applications.
APPAUTH AND UX
If a user is already signed in then it can, as you say, look unnatural to spin up the system browser and them it is dismissed immediately.
A common option is to show the consent screen or an interstitial page to keep the user informed - and the user clicks one extra button. This can also be useful for getting password autofill to work. My code example and blog post shows how this might look, though of course you can improve on my basic UX.
OFFLINE ACCESS
I find this term misleading, since refresh tokens are most commonly used when the user is there. Are you just asking how to deal with tokens in a mobile client? Aim for behaviour like this:
- Standard messages for API calls with access tokens in an authorization bearer header
- Standard refresh token grant messages to refresh access tokens - eg as in this code
Note also that mobile apps can save tokens to encrypted secure mobile storage that is private to the app. This can improve usability, eg by avoiding logins every time the app is restarted. You should think through scenarios such as stolen devices and token lifetimes though.
QUESTION
I have a simplified react native app here that makes a network call and sets a flag when it loads. There is a button onPress handler which calls another method doSomething, both methods which are in a useCallback and the dependency arrays are correct as per the exhaustive-deps plugin in vscode.
When the app loads I can see the isInitialized flag is set to true, however pressing the button afterwards shows the flag is still false in the doSomething method. It seems like the useCallback methods are not being regenerated according to their dependency arrays in this situation.
...ANSWER
Answered 2022-Jan-08 at 19:03Function doSomething is undefined
when you are passing it as a dependency to useCallback, so function doesn't change with isInitialized
. Move declaration of doSomething above onPress. Using useCallback everywhere may not be the best idea, but I don't know your use case and I hope you measured performance and gains :)
QUESTION
Are there any performance tradeoffs when conducting a Firestore write operation through a call to a cloud function that performs writes via the admin SDK versus directly performing that write through the Firestore client SDK (assuming the cloud function runs in the same region as the Firestore instance and no cold starts)?
To add some more details: In https://stackoverflow.com/a/52175817/7446235 it is mentioned that reads through cloud functions are less performant than direct calls because of the "two hops".
However, also direct calls first have to pass the security rules - so isn't that an extra "hop" as well?
PS Unfortunately I don't have enough rep to comment so I have to ask this question here.
...ANSWER
Answered 2022-Jan-06 at 00:50Security rules are executed on the Firestore server itself, so there is no "extra hop" involved in rule evaluation. For practical purposes, a warm function in the same region as a Firestore DB will add a small amount of latency to a request, but likely not enough for that to be the deciding factor between using a Cloud Function or writing directly.
QUESTION
I have a JS object array as :
...ANSWER
Answered 2021-Dec-29 at 04:24You did everything and just needed the opposite of what is present. Without affecting the original object, you can use the spread operator to store the object, then check what type of content is stored within the parentheses, and alter them:
QUESTION
I am unable to connect to my webserver on port 80 when not in localhost, on a debian 9 with nginx 1.14.2. I curl the IPv6 address with
...ANSWER
Answered 2021-Dec-26 at 01:09It appears I'm just a bit stupid and really not used to webserver configuration, I missed the configuration of my server, it fell on the default nginx server, which is sadly only listening on port 80 on IPv4. Just another dumb mistake, warm thanks for @Petros, who set me om the right tracks.
QUESTION
I have a simple container created by:
docker run -it --rm -d -p 8080:80 --name web nginx
This is on my laptop at home. I am connected to our corporate VPN. The resource I need my container to access is over the VPN. My initial thought was that this shouldn’t be an issue. When the traffic leaves my container it will just use my laptops routing and figure out where to go–that seems to not be the case. I am running wsl2 containers, I add traceroute to my container and when I to a traceroute I see:
...ANSWER
Answered 2021-Dec-22 at 19:58So it turns out not to be a some mysterious network issue, just a simple IP conflict. Docker desktop's implementation of kubernetes uses 10.1.0.0/16 as it's default IP range. This can be changed by altering the file:
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