predicator | Rust crate for generating and running dynamic code | Compiler library
kandi X-RAY | predicator Summary
kandi X-RAY | predicator Summary
predicator is a rust crate that lets you write plug ins that are can be loaded and unloaded and optimized at runtime, in Rust and any other language that LLVM JIT supports. It's ideal for filters, security checks and short-lived snippets of code that live for 10s to 100s of seconds in long-lived processes. It is thread safe, but plugins are limited to #[no_std] crates at this time. A longer term plan is to add support for hosting cargo, and experimenting with symbol resolvers. Statically-linked programs will work, but if they use a third-party library (even the libc), then they'll need to be specially compiled to pull in those definitions.
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QUESTION
I have the following snippet of code that seems to be making use of predicates but I am unable to figure out what (elem.*predicator)()
does. I tried looking for some easier to understand documentation regarding the same on the web as well as SO (closest thing I found was this) but couldn't find anything that could help me.
The code:
...ANSWER
Answered 2021-Jan-18 at 11:05.*
and ->*
are the pointer-to-member operators.
Those are pointers that can store which method of a class to call.
See [expr.mptr.oper] in the standard or questions like Calling C++ class methods via a function pointer.
QUESTION
I have wrote the knn cross validation method below using the iris dataset in R. How would I get the best value of k from this and create a confusion matrix based on this? Any help would be great.
...ANSWER
Answered 2020-Jan-10 at 12:33Your code have some problems, this one runs:
QUESTION
Say I have a 5D tensor x
and a 1D boolean mask m
where m.shape[0] == x.shape[0]
, and I want to decide which sub-network should be applied on each 4D sample inside x
based on the corresponding boolean entry of m
.
To my knowledge tf.cond
accepts scalar predicator only. Though tf.boolean_mask
may be helpful to split the samples inside a batch into two subsets according to m
as desired, I am not sure how to re-pack the outputs back into one 5D tensor without messing up the original sample order. Any hints?
ANSWER
Answered 2019-Aug-20 at 17:11The simplest thing would be to evaluate the data on both models and the use tf.where
to select the final output.
QUESTION
Using pickers at the top of columns in a grid of UICollectionViewCells to control contents of each column independently:
Each picker should update only the values of the cells in that column (only column 1 updated in image).
While the data updates, the label of the pickers become very confused!
1) When the user picks a new value at the top of column 1 or 4 - for example going from Masculine to Neutral.
1a) the data updates for the column - to Neutral - but the label on the used picker reverts to the previous value - Masculine.
1b) meanwhile, the label of the not selected picker (col. 1 or 4 - NOT 3) updates to the value selected in the selected picker (without changing the values in the not selected column)
In image, column 1 was updated from Masculine to Neutral (Das Kind is Neutral; den Ball is Masculine):
2) Column 3 is different when selecting a value.
2a) The data and picker label update correctly (no reversion to previous picker label value).
2b) If columns 1 and 4 have varying labels - eg col 1 Masculine, and col 4 Neutral they swap picker label values (no change to their data)!
I'm instantiating my pickers in a custom collection view cell from the collection view cell at item method. I'm using the indexPath.item to differentiate the cell and pickers (caseOfPickers) - that at least seems to control the data.
...ANSWER
Answered 2019-Aug-05 at 09:40The problem occurs because the entire collection view is reloaded at the end of the picker delegate method. When this happens, the UIPickerViews themselves are reloaded, and their current displayed status on the pickers (not the other values) become confused.
To update ONLY the existing collection view cells from rows 2 onwards without reloading the picker views, basically:
QUESTION
I have been working with Linked-Data lately and it has been causing me a headache. Although I have read a lot of pages on the RDF format I dont understand entirely if it is used to hold data, e.g. for a database, or if it is something like a way to model how data interconnect with each other. I apologize if my question is obvious, but I havent been able to clarify this myself.
An example of a document I came across lately:
The Europian Commision has about 13485 Skills and Competences listed in their database as described here: https://ec.europa.eu/esco/portal/skill
However when I download a document with their Skills&Competences from this source https://ec.europa.eu/esco/portal/download I get an RDF document, which doesnt seem to hold 13485 entries. This is how the document looks like:
...ANSWER
Answered 2019-Jul-31 at 02:04I have been working with Linked-Data lately and it has been causing me a headache. Although I have read a lot of pages on the RDF format I dont understand entirely if it is used to hold data, e.g. for a database, or if it is something like a way to model how data interconnect with each other.
It can be used for either, or both. In the case of the ESCO dataset it holds the actual data, but due to the fact that it is expressed as RDF using particular vocabulary (the skos:broader
relation is an obvious example) it also tells you how the data is interconnected.
I understand that the document is relatively large and that is why I couldnt fit it all here, but it holds predicators and objects for approximately 80 subjects. Does anyone understand what the purpose of this document is?
The file you're looking at is just a subset of the total set of skills. It's the data for the digital competencies only. The other files available on the site contain the other skills and competencies (with, presumably, the language-based ones making up the bulk of the 13,000+).
QUESTION
I followed the following documentation by Google to create ML engine and I deployed my online predicator there:
https://cloud.google.com/ml-engine/docs/scikit/quickstart
I know that it's possible to access to the engine by RESTful api as described in below: https://cloud.google.com/ml-engine/docs/v1/predict-request#request-body
But I want all clients can access the API related to my model without OAuth or any type of authentication. How can I do this?
...ANSWER
Answered 2018-Aug-09 at 14:49You have to code your server to do that. You can have your server perform the API calls. Your clients simply access a frontend you designed to provide their parameters and your server makes the actual call. All the quota/charges would be with your API key, but the requests will be done with your Client's parameters.
QUESTION
I followed the following documentation by Google to create ML engine and I deployed my online predicator there:
https://cloud.google.com/ml-engine/docs/scikit/quickstart
Now my question is what is the simplest way I can connect my iOS application to the prepared ML engine?
...ANSWER
Answered 2018-Aug-08 at 22:23You can request Online Predictions, the quickstart provides how to request online predictions by using either the gcloud tool or the python client library, but you can also use a HTTP Request to the JSON API to get the predictions by using the projects.predict method [1]:
QUESTION
got TypeError: Don't know how to wrap : . at 0x000001B879FD3D08>
when run
...ANSWER
Answered 2018-Aug-03 at 16:02In order to eval
a HyExpression
it must first be compiled to Python ast. While you're allowed to put arbitrary objects into a HyExpression
, that does not mean you can compile it. (There has been a little talk of simulating this feature, but it's not available currently.)
The Hy compiler can only do this for a certain set of data types called Hy Model types, or for a few other types that can be automatically converted to these Hy Models.
There's no obvious way to represent a function object in Python ast, so there is no Hy Model for it. But you can compile a function definition.
QUESTION
I need to pass a list of Enum Bucket
types between Mapper and Reducer, I have implemented custom BucketArrayWritable
according to implementation-of-an-arraywritable-for-a-custom-hadoop-type, and the Bucket
Enum has a no-argument constructor, but I always get the error
ANSWER
Answered 2018-Mar-29 at 22:36The ReflectionUtils
class tries to initialize the enum by reflection, but enums cannot be instantiated this way, this is stated in the Java Language Specification, and like this answer says, is mainly to allow the use of ==
to compare enums. With reflection you can only obtain the existing references.
Regarding to the use of enums, you could 'wrap' the enum in a class, this way you can override the equals
and hashcode
method that is normally used in the reducers. Also depending on what you are doing WritableUtils
has the methods writeEnum
and readEnum
. You can check more about how implement the wrapper class in this answer.
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