participle | A parser library for Go | Parser library
kandi X-RAY | participle Summary
kandi X-RAY | participle Summary
A grammar is an annotated Go structure used to both define the parser grammar, and be the AST output by the parser. As an example, following is the final INI parser from the tutorial. Note: Participle also supports named struct tags (eg. Hello string `parser:"@Ident"`).
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QUESTION
A local repository is fast only if you have fast access to the data. A repository on NFS is often slower than the repository over SSH on the same server, allowing Git to run off local disks on each system.
Scott Chacon and Ben Straub, Pro Git (New York: Apress, 2014), chap. 4, https://git-scm.com/book/en/v2.
In the second sentence of the quotation above, what allows Git to "run off local disks on each system"? In other words, what is the implicit subject of the -ing participle clause? Is it "A repository on NFS"?
...ANSWER
Answered 2022-Mar-30 at 20:49In other words, what is the implicit subject of the -ing participle clause?
(Note: this is more of an English usage question.) I'd say the quoted text is a bit sloppy, grammatically speaking: the subject you're asking about is actually "Git's distributed nature", which appears nowhere in the quoted text.
The distributed nature of Git repositories means that you can clone a repository, copying all the commits1 from some server version of the repository. Once you have the entire set of commits locally, you can work with those commits, locally, at your local machine's speed. The fact that local drives (often SSDs these days) may be very fast then helps out.
In the 1980s, when NFS was invented, we had slow disk drives (20 millisecond access times were considered fast ). We had SASI and early SCSI drives, holding maybe 100 to 300 MB, spinning at 3600 RPM or slower. Meanwhile, a desktop computer like a Sun 3/50 had a maximum of 4 mega bytes of RAM (not 4 gigabytes, just 4 MiB). With Ethernet at 10 Mbit/s, reading files over the Ethernet wire was not painfully slow compared to reading files from spinning media, and a big server might have 32 MiB of RAM for caching file data and could use multiple huge 600+ MB drives (e.g., Fuji SuperEagle or bigger). Many 3/50s came "diskless" as a result.
The computing world is, of course, an endless wheel of concept recycling: "cloud storage" is now a big thing. 😀 The scale goes up—store a few petabytes? no big deal! now if you want a dozen exabytes you're talking real money—but the ideas recur.
1Note that cloning does not copy branch names. That's OK, though, because branch names don't matter: only commits matter. The cloning process takes the server's branch names and transforms them into remote-tracking names—Git calls these remote-tracking branch names, but I find the word branch here has negative value—so that you can find the commits by the server's branch names, using, e.g., origin/feature/tall
instead of the branch name feature/tall
.
(Your own Git software then uses these remote-tracking names to be able to create your branch names as needed.)
QUESTION
I'm having trouble understanding the basic idea of Javascript event handling and variable scope. I come from Python, in which I've built a small GUI app which displays random English irregular verbs and asks the user to enter the past and participle forms. I'm trying to write the same thing in JS.
...ANSWER
Answered 2021-Sep-05 at 09:41Referring to verb
as a global variable in JS is the way you do it with score
and maxQuestions
variables, cause you define them out of any scope. If you define verb
at the top and fill it with the response you can access it from any other function.
About asking 10 times, adding an event listener to dynamically generated elements may be a little different from static ones, you should use event delegation to handle the events without assigning event listener every time.
As suggestion, you can use a next button to reveal next question and append a cloned element of the question row to the question containers like this:
QUESTION
I am new coding in Javascript I am implementing firebase realtime database. I need to create references. I have this code in my html and javascript
...ANSWER
Answered 2021-Aug-26 at 22:22From the documentation on reading and writing with v9:
QUESTION
I have a project where I need to create a Django command to upload multiple images at a time. I have a base class Image
that defines the file, and subclass Icon
that associates a word and a description to the icon.
My issue is that I get an error when I call Icon.objects.create()
. It works in a single upload context, but not here in the bulk uploader. What should I do about it?
models.py
...ANSWER
Answered 2021-Jul-02 at 16:38Are you using the management command?, are you connected to the DB?. If you are running this outside of Django, please use django.setup(). Try and change the script to a management command and use python manage.py.
QUESTION
I am learning participle, a parser based on golang. After I went through the tutorial, I decided to create a simple Array parser, here's my construction.
First, I need an AST to represent this array. for the simplicity purpose, I only parse Array of string without quotation mark. ({value1, value_two, value_3_here}
, e.t.)
ANSWER
Answered 2021-Apr-19 at 15:59There are two problems that I see, the first being a rule definition syntax error, the second being an error with the rules themselves.
The parser is not able to parse anything, because the parser still needs to get a {
token to begin the first rule SimpleArray
. The reason why the first {
token is not being passed through by the lexer is because the name of the rule punct
should be capitalized Punct
. Tokens in a lowercase rule (like whitespace
) are read by the lexer, but not passed to the parser.
Additionally, there is another problem that is not letting you parse the commas. You need to modify the rule to allow for additional items which have the separating comma.
Change the following:
QUESTION
I've got go installed. However, when I do this:
...ANSWER
Answered 2020-Dec-07 at 16:58Same issue, seems the prj use dep. I've fixed cloning the repo, then configuring the go module that find the right project dependencies. Then run go get again and the build success:
QUESTION
I was able to create a material table using this link. But it would work if the data array/ data response has a key-value pair.
I am trying to create a table using material angular using the following dataset. The first array would be the table header and all the other subsequent arrays would be table rows.
Json Response
...ANSWER
Answered 2020-Oct-14 at 15:23This way you can iterate over data source.
QUESTION
ANSWER
Answered 2020-Jul-31 at 16:17Without any Javascript, you can use the so-called 'checkbox-hack', which basically means that you use a hidden HTML checkbox and (ab)use its :checked
state to hide/show some other element(s).
Base logic:
QUESTION
I'm trying to edit the layout of this html. In the attached link, I include both html
and css
files. In the click-to-expand content Full verb table
, there are some columns for which there is no space between their names.
and
I look at their source code and see no difference with other columns for which there is a suitable space between their names.
...ANSWER
Answered 2020-Jul-31 at 11:21I know this answer does not produce a minimal reproducible sample, but this provides a solution for the OP needings.
Code:
QUESTION
I would like to transform verbs from present tense to past tense with using NLP library like below.
...ANSWER
Answered 2020-Jul-27 at 00:12As far as I know Spacy does not have built-in function for this type of transformation, but you can use an extension where you map present/past tense pairs, and where you don't have the appropriate pairs 'ed' suffix for the past participle of weak verbs as below:
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