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How to handle DynamoDB exceptions?

I am trying to call `scan()` on DynamoDB table but it says **ResourceNotFoundException**. How I can handle this exception? **Error:** > An error occurred (ResourceNotFoundException) when calling the Scan operation: Requested resource not fou...

asked 9 months, 1 week ago
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Invoke Lambda from DynamoDB using trigger in terraform.

I have created a Lambda and also DynamoDB. But now I want to trigger a lambda whenever there is some modification made on a DynamoDB table. In simple words, I wnat to map the lambd to take event from DynamoDB table....

asked 10 months ago
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Error running 'requirements_centos_before_install_epel',

After installing `rvm`, I am trying to install ruby using `rvm install ruby` on redhat server. But I am getting the below error. ![centos_requirements_error.png](https://i.imgur.com/PjnWtKB.png) > After seeing the error of `libyaml-devel` n...

asked 1 year, 4 months ago
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Remove redundancy in a linked list

We define a redundant node in a singly-linked list to be a node whose value matches the value of a previous node in the list. In other words, an earlier value recurs. For example, consider the following linked list with one redundant node: ![...

asked 1 year, 4 months ago
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Error: Could not compile `pear_codegen`.

I am getting an error saying, error: Could not compile `pear_codegen`. warning: build failed, waiting for other jobs to finish... error: build failed ![rocket_build_failed_due_to_pear-codegen.png](https://i.imgur.com/7FjxLPB.png)...

asked 1 year, 5 months ago
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Error: Rocket requires a nightly or dev version of Rust.

I am getting an error saying, failed to run custom build command for `rocket v0.3.9` process didn't exit successfully: `/Users/aa048326/Documents/Cerner/rust/wiry-rocket/target/release/build/rocket-2112e82d49da8dac/build-script-build` (exit code: 10...

asked 1 year, 5 months ago
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Prove that (N+1)!/2 = Ω(2^N)

Prove the equation using mathematical induction....

asked 1 year, 6 months ago
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Create a client server program in python to return a dictionary of count of vowels in a string.

In Python 3, create a client and a server. The server should create a TCP socket listening to the port 41922. The server should be expecting a string of characters and will return a dictionary containing the vowels in the string and the count of each...

asked 1 year, 6 months ago
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How to ignore certain files or folders present inside any directory in .gitignore?

I have a git repository I want to ignore some files like `.classpath` or `.project` that may be presnet inside many directory. How to do that?...

asked 1 year, 7 months ago
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How to backup and restore database of django from one app to another app?

I have created a new django app on heroku and want to create a backup of the database. After this I want to restore this database to newly created app. How this can be achieved?...

asked 1 year, 8 months ago
Reputation: 1




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