chain | Chain provides you with a consistent and chainable way
kandi X-RAY | chain Summary
kandi X-RAY | chain Summary
Chain provides you with a consistent and chainable way to work with arrays in PHP. Made by Florian Eckerstorfer in Vienna, Europe.
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Top functions reviewed by kandi - BETA
- Create a new chain from a string .
- Flatten the array .
- Sorts the collection .
- Merge array recursively .
- Replaces a slice of the array .
- Sort the array keys .
- Returns true if at least one element passes the truth test .
- Check if all elements pass a truth test
- Returns the last element in the array
- Return the first element in the array
chain Key Features
chain Examples and Code Snippets
const chainAsync = fns => {
let curr = 0;
const last = fns[fns.length - 1];
const next = () => {
const fn = fns[curr++];
fn === last ? fn() : fn(next);
};
next();
};
chainAsync([
next => {
console.log('0 seconds');
def benchmark_chain_of_maps(self):
def benchmark_helper(chain_length, fn, use_inter_op_parallelism, label,
benchmark_id):
dataset = dataset_ops.Dataset.range(10000)
for _ in range(chain_length):
datas
def chain_length(n: int, previous: set = None) -> int:
"""
Calculate the length of the chain of non-repeating terms starting with n.
Previous is a set containing the previous member of the chain.
>>> chain_length(10101)
def chain(number: int) -> bool:
"""
The function generates the chain of numbers until the next number is 1 or 89.
For example, if starting number is 44, then the function generates the
following chain of numbers:
44 → 32 → 13 →
Community Discussions
Trending Discussions on chain
QUESTION
Update: Added a simpler demonstration jsfiddle, https://jsfiddle.net/47sfj3Lv/3/.
reproducing the problem in much less code I'm trying to move away from jQuery.
Some of my code, for populating some tables, has code like this
...ANSWER
Answered 2021-Jun-15 at 18:27This was difficult for me to understand, so I wanted to share if anyone else has the same issue.
It seems that an async method will break a method chain, there's no way around that. And since fetch is asynchronous, await must be used, and in order for await to be used, the calling method must be declared async. Thus the method chain will be broken.
The way the method chain is called must be changed.
In my OP, I linked https://jsfiddle.net/47sfj3Lv/3/ as a much simpler version of the same problem. StackOverflow's 'fiddle' effectively blocks 'fetch' for security reasons, so I need to use JSFiddle for demonstration.
Here's a working version of the same code using then
and how/why it works, and a slightly shorter version, because await can be specified with the the fetch, obviously.
QUESTION
I had do some transaction in Binance Smart Chain in Binance-Peg BUSD-T and it worked successfully. But after 5 transactions. I face to a problem that said Returned error: transaction underpriced
! This is my code:
ANSWER
Answered 2021-Jun-14 at 16:32The "transaction underpriced" error occurs, when you're trying to replace a transaction and the replacing gas price is too low.
web3.eth.getTransactionCount()
only returns the amount of mined transactions. But you can have N (not just one) of transactions that are waiting to be mined with already higher nonce.
Example:
- You have submitted 4 transactions - nonces 1, 2, 3, and 4.
- Transactions 1 and 2 are successfully mined.
getTransactionCount()
returns 2- When you're trying to submit another tx with nonce 3 or 4, it's trying to replace the already existing transactions.
Solution:
Use even higher gas price if you want to replace the existing transaction.
Or if you want to submit a new transaction (and not replace the previous), use higher nonce (sum of "successfully mined" + "waiting to be mined" + 1) that your address haven't used.
QUESTION
At work, we often use the following pattern to react to certain events in our application.
...ANSWER
Answered 2021-Jun-15 at 12:19In general I like to use observables lazily... If you had a service which looked like:
QUESTION
I'm trying to return just the first fruit/color data from this read-only example JSON:
...ANSWER
Answered 2021-Jun-09 at 13:01It is not possible to use [0] in renderItem. You can use simply use array slice() method to get only fist elements.
Example:
QUESTION
I'm trying to figure out how to create a timeout for the handshake process in a TLS connection in a QTcpServer
.
I tried something like this in the overriden incomingConnection
function:
ANSWER
Answered 2021-Jun-15 at 10:02I ended implementing the TLS handshake timeout this way:
QUESTION
I know there are some other questions (with answers) to this topic. But no of these was helpful for me.
I have a postfix server (postfix 3.4.14 on debian 10) with following configuration (only the interesting section):
...ANSWER
Answered 2021-Jun-15 at 08:30Here I'm wondering about the line [in s_client]
New, TLSv1/SSLv3, Cipher is ECDHE-RSA-AES256-GCM-SHA384
You're apparently using OpenSSL 1.0.2, where that's a basically useless relic. Back in the days when OpenSSL supported SSLv2 (mostly until 2010, although almost no one used it much after 2000), the ciphersuite values used for SSLv3 and up (including all TLS, but before 2014 OpenSSL didn't implement higher than TLS1.0) were structured differently than those used for SSLv2, so it was important to qualify the ciphersuite by the 'universe' it existed in. It has almost nothing to do with the protocol version actually used, which appears later in the session-param decode:
QUESTION
I'm having an error shown as in the picture below :
If I enter blank option or wrong option, I will get the error as above
When this error occur, I cant Update, Delete and Refresh.
It happens when I want to update existing record and also when I put wrong option and blank option. When I debug, I realize that the error comes when want to UPDATE SUBFILE.
...ANSWER
Answered 2021-Jun-11 at 15:49You should show the error as text, not include a link to a picture.
Also give the error ID, CPFxxxx not just the description.
The message is pretty self-explanatory, and you can find out even more details in the second level message text. (Hit F1 on the message if an active job or look at the joblog if the job has ended.)
Your UPDSR or DLTSR is doing an UPDATE or DELETE op-code without first reading the record via CHAIN.
QUESTION
i need to check for duplicate values that might occur in a dictionary. I have a dictionary in the following layout. Any advise is welcome! thanks so much
the original dictionary
...ANSWER
Answered 2021-May-19 at 10:29The panda's answer is certainly nicer:
QUESTION
Small question regarding Spring Webflux, and how to "chain" http calls please.
With a concrete example, here is a very straightforward sample with Spring MVC, with a rest template.
...ANSWER
Answered 2021-Jun-14 at 13:54I have one big question here. While this is correct (it yields the same response) is this the correct thing to do?
Essentially, yes, you've done it correctly. The only things that aren't really correct there are your Webclient usage, and your style.
You certainly don't have to specify a WebClient per URI (and you shouldn't, they're meant to be reusable.) So if you have different domains and the same webclient, just create a standard instance:
QUESTION
Hi I'm just confused that how to transact BEP-20 Token(e.g: Binance-Peg BUSD-T). I have simply transact bnb in Binance Smart Chain with this code:
...ANSWER
Answered 2021-Jun-14 at 08:58In order to use the .send({from: ...})
method, you need to
Have the
from
account unlocked on your provider.OR
Add its private key to the web3 account wallet (docs)
Ulocked provider account
This approach is mostly used on local providers (e.g. Ganache) that fund and unlock some accounts by default.
Keeping an unlocked account on a production provider is unwise, because anyone who queries the provider can send transactions.
Web3 account wallet
You need to pass the private key that generates the from
address.
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