defaultmap | A defaultmap for rust | Map library
kandi X-RAY | defaultmap Summary
kandi X-RAY | defaultmap Summary
It can be useful to not have to worry about missing keys in a map. If a key is requested that doesn't have a value a default value is simply returned. This is exactly what this library provides.
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defaultmap Examples and Code Snippets
Community Discussions
Trending Discussions on defaultmap
QUESTION
I have made a custom collection called Matrix
that stores a matrix in the form of a uni-dimensional List
(this is sort of a requirement, has to be that way). The thing is, I want to implement this collection adapted for generics. But when I execute it and print the returned collection, it gives null
values.
I have created an external class to help with the custom default values for each type.
Now, the snippets:
Output:
...ANSWER
Answered 2021-May-01 at 20:01 def this() = this(col = 4, row = 4, elems = List.fill(4 * 4)(Default.value[A]))
QUESTION
I have some requirements for the heterogeneous generic implementation for different types of Java objects. I can see warnings related to unchecked conversion. Any thought on the below implementation to avoid any runtime exception. Please find the below sample code.
...ANSWER
Answered 2021-Apr-30 at 09:02For containers of this kind, an unchecked operation is unavoidable. But you should try to minimize it and further, add a runtime check to ensure type safety:
QUESTION
Thanks to this recent question I'm now sure that table mappings I defined are correct.
This works in the Query panel:
...ANSWER
Answered 2021-Apr-19 at 14:54As far as I can see - at least one issue is with your choice of format - you're using json
instead of multijson
, and you should switch to the latter.
The fact that it works with your .ingest inline
command is due to the payload there being different, and complying with the json
format (a single record in a single line)
From your code: Format = DataSourceFormat.json,
From the Documentation:
The JSON format
Azure Data Explorer supports two JSON file formats:
json
: Line separated JSON. Each line in the input data has exactly one JSON record.
multijson
: Multi-lined JSON. The parser ignores the line separators and reads a record from the previous position to the end of a valid JSON. For more information, see JSON Lines.
QUESTION
I've made a function for clustering my json data on map like this:
it's located in a js file called functions.js
ANSWER
Answered 2020-Nov-16 at 11:00Use window.mainMap
everywhere instead of mainMap
QUESTION
I wrote a code for getting data from server and show it on map. it's been working fine till I changed the map codes to add LayerGroup()
.
I have my map function in a seperate file named: app.js
, clustering function in functions.js
.
I wanted to use different types of map (layer control). and also, the clustering function should work whenever the "show on map" button is clicked.
My map code now:
ANSWER
Answered 2020-Nov-15 at 14:55var OMID_Detail_Object;
function OMID_Detail() {
var Ajax_URL= Server_IP +'/OHM/Get_Billing_OMID_Detail';
var Year_Val = GetSelectValue("YearSelect");
var Prd_Val = GetSelectValue("PrdSelect");
var Flg_Val = GetSelectValue("flags");
app.request.get(Ajax_URL, { "Token": Token_Data, "SaleYear":Year_Val, "SalePrd":Prd_Val, "Flag":Flg_Val }, function (data)
{
OMID_Detail_Object=data;
MarkerOnMap(OMID_Detail_Object);
},function (er){},"json");
}
function CreateMarkers(){
OMID_Detail();
}
QUESTION
Stumbled on this behavior when making some experiments with ObjectMapper
. See Junit5 test cases below and what those print for me in comments.
ANSWER
Answered 2020-Nov-02 at 14:11By default Jackson
creates BeanSerializer instance for each POJO
class. It is created on demand when is needed and cached. So it's configuration depends from current state of ObjectMapper
and if you change ObjectMapper
you need to clear cache:
QUESTION
I am trying to update a document in Mongo if it has a certain value within a field.
...ANSWER
Answered 2020-Aug-26 at 20:30There is a syntax mistake and you can use positional operator $
in update part because you have already selector field in query part,
QUESTION
I just created ElasticSearch class and find some codes for elasticsearch connection settings but i know i am using NEST 7.0 and these codes i found are lower version than 7.0 so, how i can change to current version because i am getting some errors. Thanks in advance.
...ANSWER
Answered 2020-Aug-11 at 00:01The configuration options documentation has an example. Adapted for your example
QUESTION
I have the following javascript which I download from the here. The js inside HTML page, and the page not showing anything. I traced the code and found the issues from the line below:
...ANSWER
Answered 2020-May-17 at 03:08jquery was using your function as a callback which was invoked after some json was fetched, but you took jquery out of the equation and so now nothing is calling your function. at the bottom of your
QUESTION
[1 I have ticked sorted]I am using swift verison pod 'FastEasyMapping', '~> 1.2'
I am getting the below error:
desired type = NSOrderedSet; given type = __NSArrayM
while mapping using method
...ANSWER
Answered 2020-Feb-20 at 10:05I Got the Reason it was silly mistake that I wrote wrong key I write this ::
mapping.addToManyRelationshipMapping(ABC.defaultmapping(), forProperty: "CDE", keyPath: "cde")
that should be actually :: mapping.addToManyRelationshipMapping(ABC.defaultmapping(), forProperty: "cde", keyPath: "CDE")
Thanks All
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Rust is installed and managed by the rustup tool. Rust has a 6-week rapid release process and supports a great number of platforms, so there are many builds of Rust available at any time. Please refer rust-lang.org for more information.
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