jen | fast utility to generate fake
kandi X-RAY | jen Summary
kandi X-RAY | jen Summary
A simple (but extensible) tool for generating large random datasets. Jen is a combination of a core library and a CLI, used to generate random datasets based on a template. There are existing tools for this purpose, but most of them live in a browser and they're naturally insufficient when it comes to generating large amounts of data. Jen was created to fill the niche of creating larger amounts of data for things like unit tests and database state. Jen's underlying template syntax is drive by Tera to aid in familiarity and to avoid re-inventing a templating language. On top of this layer, Jen offers many helpers based around randomizing data. Several of these helpers are based on fake, with additional helpers provided where there are gaps. You can naturally attach your own helpers when using Jen programmatically.
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jen Key Features
jen Examples and Code Snippets
Lines of Code : 15License : Permissive (MIT)
Copy$ jen
FLAGS:
-h, --help Prints help information
-t, --textual Treat the input as textual, rather than JSON
-V, --version Prints version information
OPTIONS:
-a, --amount The amount of documents to generate in this $ cargo install jen
[dependencies]
jen = { version = "1.1", default-features = false }
Community Discussions
Trending Discussions on jen
QUESTION
I have two tables as follows:
...ANSWER
Answered 2021-Jun-15 at 19:02select user_id,name
, count(case when col_a = true then 1 end)
+ count(case when col_b = true then 1 end) total
from tableA a
join TableB b on a.user_id= b.id
group by user_id,name
QUESTION
I'm trying to pass data from a tableView when the cell is tap to a detailTableView. I'm not getting any errors when the detail tableView is loaded. The segue is being performed, however, the tableView remains blank. My goal to add the color to the textLabel in the cell and add the zord in the detailTextLabel within the same cell. Can someone tell me what I'm doing wrong
...ANSWER
Answered 2021-Jun-14 at 08:17May be order here matters performSegue should be before deselectRow for if let index_path = self.table_View.indexPathForSelectedRow { to have a value
QUESTION
I need to validate email addresses, in addition to the basic structure, I need also
email address can not start or end with special character
email address can not have double special character edited special characters are
! # $ % & ' * + - / = ? ^ _ ` { | } ~
Character . ( period, dot or fullstop) provided that it is not the first or last character and it will not come one after the other.
So that's what I have so far that's just validates the basic structure
...ANSWER
Answered 2021-Jun-10 at 19:43You have three options.
- Don't bother validating email addresses.
This is probably the best choice. Ultimately, the only way to know if an email address is legit is to send a piece of unique data to that address and instruct the user to share that unique data with you, proving they have access to the mailbox (and thus that the mailbox exists, and thus that its address is legitimate).
I don't expect you to follow this advice.
- Add extra conditions after the regex.
You know, you don't have to do the entire job with a single regex. Doing so will actually be harder.
Since you've provided the list, here's an attempt at strategy 2:
QUESTION
I have a single csv file whose contents are as follows -
...ANSWER
Answered 2021-Jun-02 at 18:43You can ignore the cartesian product warning, since that exact approach is needed in order to create the relationships that form the patterns you need.
As for the multiple relationships, it's possible you may have run the query twice. The second run would have created the duplicate relationships. You could use MERGE instead of CREATE for the relationships, that would ensure that there would be no duplicates.
QUESTION
I want to know how i can uniquely print out the elements of each list inside the dictionary without printing duplicates. Sorry i am quite new to programming. I am reading Python Crash Course 2nd edition and want to add a little bit of a challenge to my code.
...ANSWER
Answered 2021-Jun-02 at 12:27You can combine the lists in favorite_languages.values() by adding them to a blank list, and taking the set at the end:
QUESTION
I'm trying to create an alternating About Us section where one member has their photo to the left and description on the right. The next member would have their description on the left and then their image to the right.
I tried using another template for the setup, but it doesn't line up quite well. The images that are aligned on the left are fine, but the text of the descriptions are a bit too close. The images that are aligned to the right don't go all the way to the end of the border. They float in the right-side area, but they don't take up the full width of the section.
Additionally, I'm trying to get it to format nicely on mobile where everything is centered (centered image with their descriptions following after). Right now, the descriptions look a bit squished in the center with big margins taking up space. Also, the images aligned to the right won't center correctly.
I don't think this is the best way to go about it, but any advice or guidance is appreciated!
...ANSWER
Answered 2021-Jun-01 at 16:09This should do it for you.
QUESTION
I would like to do a batch delete without first making a Select for each object. I didn't find a way with spring data jpa and the entity manager to do this.For this reason I try the JDBC template. However, I get problems with the pageable. This code workes fine and all deletes are executed by batching. Unfortunately with an unnecessary select for each entity.
...ANSWER
Answered 2021-May-12 at 05:11The JdbcTemplate does simply execute SQL statements, so yes, they get immediately executed. There is no caching involved, as with JPA operations.
But even JPA operations get flushed to the database before a query gets executed, so the difference isn't that big.
You can simply repeatedly request the first page and delete it.
But using pagination with deletes doesn't make much sense, you could just delete all rows from the table and be done with it in a single roundtrip to the database:
QUESTION
I would like to display a data from .txt report file using JavaFX. In my code, I'm trying to use Labels and Vbox to display the info in multiple formats in a GUI to scene. However, I'm having terrible outputting my results as GUI instead of the console. I tried to research my issue but I couldn't find the piece of info that I need to solve the problem.
This is the report I need to display as a GUI Application using JavaFX:
This is what my code displays as a GUI:
Here is my source code:
...ANSWER
Answered 2021-May-12 at 00:50I think you could use a combination of TableView and Pagination like it is described in this posting: JavaFX TableView Paginator
Here is an example:
App.java:
QUESTION
I changed the format of an About Us section that works now on all browsers. However, I tried fitting the flexboxes to mobile and only the even rows are not aligning correctly. The odd rows align with the image followed by the text. The even rows are still side-by-side with the text. I tried changing the flex-direction to column, but it won't work. What am I missing?
...ANSWER
Answered 2021-May-11 at 05:45Rather than starting from a desktop browser and trying to modify things to work on a mobile device, it’s easier to start the other way around.
It’s also helpful to run your code through the W3 Validator as a way to check your code. Some of the standard things that your page didn’t have are:
- Your hrefs to Font Awesome and Google Fonts were lacking quotation marks.
- Image widths and heights, in the img tag, should be specified using pixels, not percentages (you can apply a percentage using a style).
h1andh4tags aren’t supposed to be children of aultag.min-device-widthandmax-device-widthhave been depreciated. It’s best to usemax-width.- I added the required meta tags to the start of the head section.
- And it’s good to have the
langattribute on yourhtmltag.
I moved your h1 tag and your list into separate divs so that they’ll stay together, and I put the switching point to go from in-a-row to vertical at 768 pixels (tablet size). You can change the value to whatever works for you.
QUESTION
I have something which lokos like (called lines)
...ANSWER
Answered 2021-May-05 at 13:49df = pd.read_csv(StringIO("\n".join(lines)), sep=r"\s+")
print(df)
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