freebooks | Distributed Ledger designed for groups of people
kandi X-RAY | freebooks Summary
kandi X-RAY | freebooks Summary
Distributed Ledger designed for groups of people known to each other (e.g. corporations, families, friends, communes, &c). It utilizes git for synchronization and storage as well as AES-256-CBC and ECC-p384 for encryption and signatures.
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Top functions reviewed by kandi - BETA
- Creates a new transaction
- Load the key from the dictionary
- Check that the key is loaded
- Iterate over keys
- Create a key from a dictionary
- Create a SymEncData object from a dictionary
- Create an EncResult from a dictionary
- Returns a dict of balances
- Decrypt a password
- Yield all the transactions in the wallet
- Create a new master key
- Convert the key to a dict
- Return a dict representation of the key
- Build a SymEncKey from a dictionary
- Generate all transactions for a given account
freebooks Key Features
freebooks Examples and Code Snippets
Community Discussions
Trending Discussions on freebooks
QUESTION
Apologies, I'm aware there are a lot of questions like this but I can't seem to work out for the life of me why I'm not getting the same results.
Below is the MATLAB script as taken from here
...ANSWER
Answered 2020-Aug-03 at 13:38Quick answer. Matlib uses values and Python uses references for value names. The offending code for you is the innocuous looking line
s = z
In Python, that makes s a reference to z and not a copy of zeros. So when you also go
wzp = z
It all goes FUBAR.
Simple solution break the relation between s
and z
, by setting
s=np.zeros((N,1))
Also, I don't think you need to make all the arrays 2D. I simplified the code to just 1D
QUESTION
I am trying to create a CRUD. I have the UPDATE created, but when I try to request from postman, I get the following error:
Error [ERR_HTTP_HEADERS_SENT]: Cannot set headers after they are sent to the client at ServerResponse.setHeader (_http_outgoing.js:526:11) at ServerResponse.header (E:\freebooks-core-api\node_modules\express\lib\response.js:771:10) at ServerResponse.send (E:\freebooks-core-api\node_modules\express\lib\response.js:170:12) at ServerResponse.json (E:\freebooks-core-api\node_modules\express\lib\response.js:267:15) at ServerResponse.send (E:\freebooks-core-api\node_modules\express\lib\response.js:158:21) at Object.exports.success (E:\freebooks-core-api\network\response.js:3:6) at E:\freebooks-core-api\components\book\network.js:32:18 at processTicksAndRejections (internal/process/task_queues.js:97:5) { code: 'ERR_HTTP_HEADERS_SENT' } (node:2844) UnhandledPromiseRejectionWarning: Error [ERR_HTTP_HEADERS_SENT]: Cannot set headers after they are sent to the client at ServerResponse.setHeader (_http_outgoing.js:526:11) at ServerResponse.header (E:\freebooks-core-api\node_modules\express\lib\response.js:771:10) at ServerResponse.send (E:\freebooks-core-api\node_modules\express\lib\response.js:170:12) at ServerResponse.json (E:\freebooks-core-api\node_modules\express\lib\response.js:267:15) at ServerResponse.send (E:\freebooks-core-api\node_modules\express\lib\response.js:158:21) at Object.exports.error (E:\freebooks-core-api\network\response.js:12:6) at E:\freebooks-core-api\components\book\network.js:34:16 at processTicksAndRejections (internal/process/task_queues.js:97:5) (node:2844) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag
--unhandled-rejections=strict
(see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1) (node:2844) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
As I read in the error, this comes from the following files:
response.js in my network folder
...ANSWER
Answered 2020-Apr-11 at 05:21You can only send one response for each incoming request. This particular error message tells you that your code is trying to send two requests. Most often, this occurs because of improper sequencing of code with asynchronous functions. That appears to be the case in this route:
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Install freebooks
You can use freebooks like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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