hasmeta | Laravel trait to access model meta data | Database library
kandi X-RAY | hasmeta Summary
kandi X-RAY | hasmeta Summary
A Laravel trait to access model meta data as if it was a property on your model.
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Top functions reviewed by kandi - BETA
- Get meta data
- Saves meta data
- Create new meta model
- Delete meta data
- Define the meta model .
- Push the stack onto the stack
- Save meta data .
hasmeta Key Features
hasmeta Examples and Code Snippets
Community Discussions
Trending Discussions on hasmeta
QUESTION
I am writing a proto3 class for an object which currently have around 2 variations, and will grow up to 6 or 7. Only one of them would be used in a message. These variations do not share common fields. They will be encoded as a submessage in a parent message. These messages would be written once and read tens of thousands of time.
I was wondering what would be the most performant way, memory and time of parsing wise, to achieve this so that as more variations are added, the performance is not lost.
Consider the following variations.
...ANSWER
Answered 2020-Mar-24 at 11:56The oneof method is slightly better compared to the message where you define the variable type
with respect to processing power and wire size. Protobuf always serializes the tag number before a nested message. So for the oneof message it is not required to serialize a variable like type
. Making it's wire size slightly smaller compared to the second message definition.
With respect to memory allocation this highly depends on the programming language you are using and how they have implemented oneof's and nested messages. If I am not mistaken the default C++ implementation dynamically allocates memory for sub messages. I suspect no difference here between either of your suggestions. Looking at NanoPB however, there oneof's are implemented as unions allocating only memory for the bigger message. This while for your second option would allocated memory for both B1
and B2
.
QUESTION
I have a protocol which a base class implements. I have subclasses for which I want to enforce the protocol.
...ANSWER
Answered 2019-Apr-30 at 14:47JSSymbol
derives from JSData
, which already implements the JSDataProtocol
methods. So no, you can't get compile-time errors for not implementing those methods.
If you really want this, you could either:
- move the
JSDataProtocol
declaration fromJSData
down to the concrete classes. - get rid of
JSData
entirely and makeJSDataProtocol
inherit fromJSHashable
&JSEquatable
If you get rid of JSData
, your protocol definition can be streamlined to:
QUESTION
I have two functions which are starting asynchronous loading of resources. How can I make them return promises to that I can wait until the loading is finished?
...ANSWER
Answered 2017-Jul-19 at 03:44Simply putting
return
in front of the first line of each function will not return the correct one for the nested tasks
Actually it will. Are you sure your put it on the first line of all four functions?
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