orderedmap | golang map where the keys keep | JSON Processing library
kandi X-RAY | orderedmap Summary
kandi X-RAY | orderedmap Summary
A golang data type equivalent to python's collections.OrderedDict. Retains order of keys in maps. Can be JSON serialized / deserialized.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of orderedmap
orderedmap Key Features
orderedmap Examples and Code Snippets
const { fromJS } = require('immutable');
const nested = fromJS({ a: { b: { c: [3, 4, 5] } } });
// Map { a: Map { b: Map { c: List [ 3, 4, 5 ] } } }
const { fromJS } = require('immutable');
const nested = fromJS({ a: { b: { c: [3, 4, 5] } } });
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Community Discussions
Trending Discussions on orderedmap
QUESTION
https://mina.apache.org/mina-project/userguide/ch17-spring-integration/ch17-spring-integration.html
the user guide of the link, it wrote it works for all DI frameworks.
but The following error occurs when injecting through the Aries Blueprint and is not initialized.
...ANSWER
Answered 2022-Mar-23 at 05:59When I came back from solving other problems for a few days, I looked at the guide document of OSGI 7 standard and it was a very simple problem.
QUESTION
I am trying to build a Jenkins pipeline which has a combination of parallel and sequential stages. I am able to accomplish the same with static data but failing to get it working when using dynamic data, i.e. when using a parameterized build and reading data from the build parameters.
Below snippet works fine
...ANSWER
Answered 2020-Sep-30 at 01:34Declarative and Scripted Pipeline syntax do not mix in Pipeline, see Pipeline Syntax. Since you are dynamically creating a Pipeline definition based on the parameters, you should most likely go completely to Scripted Syntax, unless your use-case matches matrix
.
Removing the Declarative syntax from your Pipeline Definition would give something like below. Note that I did not test it on the live Jenkins instance.
QUESTION
I found a package here: https://stackblitz.com/edit/y-prosemirror-ynw2fg?file=index.ts I have downloaded and enter image description here
I ran npm install
and the dependencies should be installed already.
But when I run node index.ts
or ts-node index.ts
errors show up:
ANSWER
Answered 2020-Sep-26 at 12:23Sorry, I found out how it was done.
Compile the ts into js using babel first or here: https://babeljs.io/repl.
Use browserify to make your files web compatible.
browserify index.js > bundle.js
then include the file to your index.html.
I don't understand why node js has to have so many versions of typescript that isn't compatible with browser. Just making everyone's life more horrible.
QUESTION
I am trying to unmarshal the following YAML with Go YAML v3.
...ANSWER
Answered 2020-Aug-06 at 11:15You claim that marshaling to an intermediate yaml.Node
is highly non-generic, but I don't really see why. It looks like this:
QUESTION
For example, these cases:
...ANSWER
Answered 2020-Jul-01 at 10:15An ordered map
, by default, uses std::less
to compare keys, which by default just does lhs < rhs
.
The behavior of vector
's operator <
is described here: https://en.cppreference.com/w/cpp/container/vector/operator_cmp
And that of list
is here: https://en.cppreference.com/w/cpp/container/list/operator_cmp
Yes, they just do a lexicographical comparison, i.e. they compare their elements one by one.
You can override the behavior by supplying a custom comparison as the third template parameter to map
.
The default behavior of unordered_map
is to use std::hash
. std::hash
does not have specializations for vector
and list
, so they are not usable as keys. The code should not compile. Try it here: https://godbolt.org/z/kgKmKS
You need to override the behavior by supplying a custom hasher as the third template argument to unordered_map
. You can use Boost.Hash, which supports the standard containers: https://www.boost.org/doc/libs/1_73_0/doc/html/hash/reference.html
QUESTION
I am using Typescript version 3.8.3
with immutable@4.0.0-rc.12
.
When I create OrderedMap
using two-dimensional array to instantiate it, I get error from Typescript.
ANSWER
Answered 2020-Apr-22 at 09:05First of all, @types/immutable
is no longer supported
This package has been deprecated
Author message:
This is a stub types definition for Facebook's Immutable (https://github.com/facebook/immutable-js). Facebook's Immutable provides its own type definitions, so you don't need @types/immutable installed!
After removing it, you should get nice type hints in your editor.
Working example: https://stackblitz.com/edit/typescript-vwetmv?file=index.ts
Update
Adding "target": "es2015"
in compiler options removes the error.
See docs: Using TypeScript with Immutable.js v4
Immutable.js type definitions embrace ES2015. While Immutable.js itself supports legacy browsers and environments, its type definitions require TypeScript's 2015 lib. Include either
"target": "es2015"
or"lib": "es2015"
in yourtsconfig.json
, or provide--target es2015
or--lib es2015
to thetsc
command.
QUESTION
Currently I have implemented it using plain javascript array. But there seems to be few problems.
onChange
,onDelete
has to iterate all over the array which could be better like O(1)- When some item gets deleted key property of other items get changed. I'm not sure if it's bad or not.
Using immutable.js
can get rid of problem 1. Is number 2 really a problem? Is there a better alternative than immutable.js
?
Maybe I'm not asking the right questions, what's the best way?
ANSWER
Answered 2020-Feb-18 at 07:36Instead of using external js, i just do the little modification of the code, instead of doing the map or filter, you can use directly with splice,
the below code will help to do the deletion fast and it will keep the same index after deletion also.
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