MCT | Master Contract Token | Cryptocurrency library
kandi X-RAY | MCT Summary
kandi X-RAY | MCT Summary
The NEO Smart Economy has a major limitation in that although smart contracts can receive funds (system assets like NEO or GAS) they cannot send funds without intervention of off-chain code that responds to events emitted by the smart contract and creates and broadcasts new transactions. The introduction of NEP-7 in Neo 2.7.5 has eased some of the difficulties with receiving system assets by a smart contract. Now a contract will be able to be triggered upon receiving NEO/GAS, giving the contract the opportunity to perform actions or reject the transfer. The problem of the inability to send NEO/GAS in a single operation still remains, however.
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Top functions reviewed by kandi - BETA
- This function is called when the contract is processed
- Handle a MCT transfer
- Load a sale
- Raises an AssertionError
- Shortcut API for Token1
- Create a PCTContract object
- Delete a token
MCT Key Features
MCT Examples and Code Snippets
Community Discussions
Trending Discussions on MCT
QUESTION
I'm working on an Machine Learning Assignment where I go over the bug database, do a multi-class classification and then insert a new column with the classified text. As part of debug , when i run that particular cell again, it says column already exists. i was just wondering if there is a way to get over it (other than the usual Exception handling).
The piece of code that i have written is as follows:
...ANSWER
Answered 2021-May-18 at 20:01It's not working because you already have a column with that name. If you are ok with having duplicate columns then, you can pass allow_duplicates=True.
df.insert(len(df.columns),"Trigger_Type", cat_1, allow_duplicates=True)
Otherwise, you will have to rename the column to something else.
If you want to completely replace the column, you can also use:
df['Trigger_Type'] = cat1
QUESTION
I want to use the BasisTranslator in Qiskit to process my circuit to base gates.
One of the constructor parameters for BasisTranslator is EquivalenceLibrary. I attempted creating a parameter-less EquivalenceLibrary() and pass it to a BasisTranslator, but the code fails, saying it cannot translate gates like MCT or CCX into the default basis.
ANSWER
Answered 2021-Mar-31 at 10:46The easiest way is to leverage the session equivalence library that is included with qiskit (at qiskit.circuit.equivalence_library.SessionEquivalenceLibrary) which is a prebuilt equivalence library which includes all the standard library gates. You can use it with something like:
QUESTION
I am having some trouble fetching exact data from my database. I don't know what to do to achieve what I am looking for. I need some help in here. Here what I am facing...
Table name: ambulance
...ANSWER
Answered 2021-Jan-31 at 10:05I believe something like this will do the job for you, as you want to retrieve all the categories for an ambulance id as long as at least one of the categories match.
QUESTION
I have JSON data of Patient and I try to update this with new data. When I try to update this Patient, the entries will be duplicate and not update like this:
...ANSWER
Answered 2020-Dec-23 at 13:44The telecom and address fields are lists. So if you have existing data and you do pat.Address.Add, it will add a new item to the existing list - keeping the already existing address. You will actually have to update your Telecom/Address field first, before sending the updated data to the server.
For example - between client.Read and client.Update, using System.Linq:
QUESTION
If I may, I would like to write a brief summary of the issue before I add more details to make my question cleaner and clearer:
I have a BDR group running in production, replication works fine in all nodes, but I'm getting errors regarding a replication slot in one of the nodes that I would like to fix without breaking anything else...
More details:
I have a three-node BDR group running on PostgreSQL 9.4, 2 nodes using RedHat7, another using Centos7. The database name is "MCT".
...ANSWER
Answered 2020-Dec-03 at 11:17The underlying issue was a second DB named "OLD" in REDHAT_2 node that was trying to sync with "MCT" in all nodes and was taking the ownership of replication slots so the real "MCT" nodes can't really open a connection.
Taking BDR down in the "OLD" Database and restarting PSQL solved the issue. Thanks
QUESTION
I am using rbenv and bundler on macos.
I need to maintain multiple versions of Ruby for my application. Specifically 2.2.4 and 2.5.5. Different users will have different versions.
Currently I am only working with 2.2.4 so I do the following. My gemfile looks like this
ANSWER
Answered 2020-Sep-25 at 12:48A Gemfile declares a dependency on a Ruby version, with or without semantic versioning constraints. It is not meant to control multiple build targets for your application. It simply enforces that the Ruby version available to your app/gem is whatever you've defined. For example:
QUESTION
I have a program that needs to read a CSV file called PartsList.csv. It looks at the first column, compares it with a dictionary that was made before this snip of code runs, and if the first column matches it, it will take the value from the key-value pair that was compared, use that as a key in dictionary catd{} and set the value as an empty tuple. Then it takes the empty tuple, is converted into a list into the variable holder, the value in the second column is appended to the list, and is converted back into a tuple as a value for the previously mentioned key. However, the problem I'm having is that after iterating once, it completely ignores the inner for loop. It makes the keys I need it to make, but because the inner for loop is ignored, it doesn't generate the values for it. I don't know what the problem is, so any help is appreciated.
Here is the relevant code:
...ANSWER
Answered 2020-Sep-14 at 20:26The question has been solved, as @0x5453 mentioned, using csv_file.seek(0) resets the starting point to the beginning, stopping the issue of the iterator csv_file being empty.
QUESTION
I have two tables workorder and wotasks.
SCRIPTS: To create tables and data insertion script is as below
ANSWER
Answered 2020-Mar-03 at 07:26There are some issue with your data type for wonum and parent column. If I guess all columns are char type ouf value, you can use UNION ALL logic as below to achieve your desired output-
QUESTION
I am writing to your forum because I do not find solution for my problem. I am trying to represent graphically the Median catching time (MCT) of mosquito that we (my team and I) have collected (I am currently in an internship to study the malaria in Ivory Coast). The MCT represents the time for which 50% of the total malaria vectors were caught on humans. For example, we collected this sample:
...ANSWER
Answered 2020-Feb-27 at 16:24You need to use a trick since you already have counts and not the time data for each catch.
First, you convert your time values to a more continuous variable, then you generate a vector with all the time values and then you boxplot (with a custom axis).
QUESTION
I'm trying to install and run Open Mct.
In the getting started page they ask to: 1. clone the repository "git clone https://github.com/nasa/openmct.git" 2. npm install 3. npm start
When i'm trying to "npm install" i get some errors. i tried it in 2 different computers and both ended up having the same following error:
...ANSWER
Answered 2020-Feb-22 at 09:46Looks like a windows related problem, see this issue.
In the folder "openmct\src\plugins\themes" I replaced the paths from the *.scss files starting with "~stytles" with "../../styles" and installation finished sucessful.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install MCT
You can use MCT 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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