Covfefe | A parser for nondeterministic context free languages | Parser library
kandi X-RAY | Covfefe Summary
kandi X-RAY | Covfefe Summary
Covfefe is a parser framework for languages generated by any (deterministic or nondeterministic) context free grammar. It implements the Earley and CYK algorithm.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of Covfefe
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Covfefe Examples and Code Snippets
Community Discussions
Trending Discussions on Covfefe
QUESTION
Here is my code so far: 1st block - Tweet class, 2nd block - input list of tweets, 3rd block - function I am trying to get to work. 4th block - the expected output
...ANSWER
Answered 2020-Oct-12 at 15:08You don't even need a regex for this -- Python's basic in
operator will do the trick.
QUESTION
I'm getting started in Redux and React Native and I'm struggling a lot trying to fetch stored data in a component, It's anything special, just a button to mutate the store and another to print it as Im still a newborn in this
...ANSWER
Answered 2019-Nov-13 at 17:47Okay so I found what was wrong with my code, when I try to print my store I was doing console.log(this.state)
convinced that mapStateToProps modifies the actual state of the component but it doesnt, it passes the state to the props of the component (as the function name indicates...) :c
QUESTION
I have a YAML file (docker-compose file in my case) that looks like this:
...ANSWER
Answered 2019-Mar-22 at 20:30keys
is a built-in function in jq
when given an object, returns its keys in an array. So it is not actually apart of your yaml (not a property) which means you cannot do services.keys
.
To get the keys you can do the following:
We will get the object of services
in the first part then we pass it to keys
which will return a list of keys based on a given object
QUESTION
I have an Azure Function v2. The function is triggered by a POST HTTP request and is being given a list of account.
Here is the Azure Function:
...ANSWER
Answered 2019-Mar-13 at 15:27I have attempted, and reproduced this issue locally also. First I tried with a single Account
object, and then updated the method signature to accept List
. On a quick inspection, I found the following GitHub issue describing this behavior.
There's a comment on that issue which refers to the following source file line where the code explicitly excludes arrays
QUESTION
I have a df of high schools. I'm trying to strip out the generic endings of the school's name.
...ANSWER
Answered 2017-Jun-06 at 01:55use rstrip()
method to strip the undesired string from the rear of your original string.
e.g.:
mystring = "Brown Academy"
mystring.rstrip("Academy")
--> will give u the o/p: 'Brown '
QUESTION
First of all, thank you for reading this.
I am making a fun little program in batch to practice with it and get familiar. I know this may not be the best language to start with, but it's what i'm using.
Here is what I have:
...ANSWER
Answered 2017-Nov-16 at 06:15Your main issue is that you set /a rand
but then you never use rand
as a variable, instead you say goto option%number%
which should be `goto option%rand%
Some other things I changed, added cls after :ask trump
this way you get rid op the c:\>
prompt and is left with a plain cmd screen.
cls was added to the rest of the tags as well so it will look a lot cleaner on screen.
Lastly, the line set /a rand=%random% %%6
will generate a number set between 0 - 5
which is fine as it is 6 numbers regardless, but labelling your options based on real values sounds like a better idea. So if I have 6 answers I want to label them 1 - 6
instead of 0 - 5
therefore it is better to set the random as set /a rand=%random% %%6 +1
The options were updated accordingly as well.
QUESTION
I am making an API request via JSONP in order to avoid cross domain error. I want to store the response in a variable which is in a closure (a function expression "module"), which is accessed via two "public methods".
One of these methods, module.store, is the callback used by the API response. The other method updates the p tag with the contents of API response.
After I click "submit" to initiate the API request, I know that the callback is successfully invoked, as I can briefly see the updated display before it disappears.
I think I must be losing the response once the function exits, but the closure should still be able to access the private variable.
If I call the requestJSONP() from within the browser it works.
I am unable to recreate the issue in JS fiddle because it does not like the JSONP request.
HTML:
...ANSWER
Answered 2017-Sep-27 at 18:00The default behavior (in Chrome at least) is to refresh page, which was clearing stored value. I have overridden this default behavior below:
QUESTION
The following code implements a List of ints in Go:
...ANSWER
Answered 2017-Jun-20 at 08:36Go doesn't have generic types, so you're stuck with the options you listed. Sorry.
Meanwhile, Go's built-in maps and slices, plus the ability to use the empty interface to construct containers (with explicit unboxing) mean in many cases it is possible to write code that does what generics would enable, if less smoothly.
If you know more about the elements you want to store in the container, you may use a more specialized interface type (instead of the empty interface interface{}
), which
- could help you avoid using type assertions (keep good performance)
- and still keep type safety
- and it can be used for all types that (implicitly) implement your interface (code "re-usability", no need to duplicate for multiple types).
But that's about it. See an example of this here: Why are interfaces needed in Golang?
Also just in case you missed it, the standard library already has a doubly linked list implementation in the container/list
package (which also uses interface{}
type for the values).
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