Why should we use different providers? [closed] - metamask

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There are 2 types of providers - web3 and JsonRpc. Where should we use each of these?
Please explain. Thank you :)
While coding for a dApp, I used Web3 provider to connect to metamask. But in some other instance I used JsonRpc. What is the difference?

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How to do logging in a go library [closed]

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What is the correct way to implement logging in a go library?
For example I want to signal that something gone bad in my library but I also want to user of my library have flexibility in log displaying, filtering and storing logs.

How to use Steamworks API for the web [closed]

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I need to use the Steamworks API to pull the live player count of a game server and have it on my web app.
When I go to the Web API section it only gives me a limited number of uses for it, which do not include mine. Do you have any idea how I can do it?
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Spring application profile name suggestion [closed]

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What is the standard naming convention to create several peer profile.
application-peer1-test.properties or application-peer1_test.properties
Naming of the profiles is up to you.
I think that best practice in this case would be not to mix different approaches and best name would be application-peer1-test.properties

Why are the Spring client library classes suffixed with Template instead of just client? [closed]

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The ones like RestTemplate, JdbcTemplate, RedisTemplate, etc. Is there any significance to this?
Because they follow the template design pattern.
See https://en.wikipedia.org/wiki/Template_method_pattern

Why does Go support Plan9? [closed]

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Why does the Go developers spend time supporting Plan9, rather than on making Go better for Unix?
This question is off-topic, but there is some information about the decision to use/learn from Plan 9 in the Go at Google: Language Design in the Service of Software Engineering talk by Rob Pike.

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