learn | learn.userfrosting.com - guide for UserFrosting v4 | Frontend Framework library
kandi X-RAY | learn Summary
kandi X-RAY | learn Summary
This is the repository for the documentation for UserFrosting 4. It is built with the flat-file CMS Grav, using their RTFM skeleton.
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QUESTION
haskell-language-server is giving me some hints on how to reduce code length, but while I'm learning I would like to disable this hints temporary so I can work on examples from books without the annoying hints polluting the editor. I still want error report, just disable the hints
Here is an example
...ANSWER
Answered 2021-Jun-16 at 04:03EDIT: @JonPurdy mentioned (you should read the great comment bellow) that Hlint now supports plain comments like this too:
QUESTION
ANSWER
Answered 2021-Jun-16 at 01:11The problem is that your CSS selectors include parentheses () and dollar signs $. These symbols already have a special meaning. See:
You can escape these characters using a backslash \.
QUESTION
I'm learning C++ and have come to a bit of a halt. I'm trying to iterate over a vector with a range-based for loop and update a property on each of the objects that belong to it. The loop is inside of an update function. The first time it fires, it works fine; I can see the property gets updated on each member of the vector. However, the next time the for loop is initiated, it's still updating the original data, as if the previous run did not actually update the source values. Is my range declaration configured correctly? Pointers are still a bit of a mystery to me. In general I'd be very thankful for any help!
...ANSWER
Answered 2021-Jun-15 at 23:19Vector3 position = point.position; makes a copy of point.position. The following code then updates this copy, which in turn is thrown away when it goes out of scope at the end of the if statement.
The solution is simple enough - use a reference instead: Vector3 &position = point.position;. The rest of the code can be left as-is.
QUESTION
I'm a student learning about database design and currently learning about the relationships of - one-to-one, one-to-many, many-to-many. I understand the concept well enough, but feel like I'm lacking experience/information on how it would be implemented in a real production scenario.
My question is this
If I have a blog website with a Blog Post as an entity and comments for each blog post, how would you handle the comments in the database?`
Would you use a one-to-many relationship and just store all the comments in a single table. Then link those comments to each blog post and user who created it?
What if each comment had a sub-comment? Would you create a separate table for sub-comments and link it to a single comment? Would that cause too much overhead and confusion within the DB itself?
I get the concepts and all, but don't understand best practices for handling what seems like basic stuff.
Thanks in advance!
...ANSWER
Answered 2021-Jun-15 at 16:06The simplest solution is to stick with a one-to-many relationship. Use one table and store one comment per row, with references to the post and the comment author, and a timestamp so you can sort the comments chronologically.
You seem uncertain about whether you need a "threaded comment" hierarchy. This is more complex, so if you don't need it, don't bother.
If you do need to show comment threads, then you should learn about running recursive queries in MySQL 8.0: https://dev.mysql.com/doc/refman/8.0/en/with.html#common-table-expressions-recursive
You still only need one table. Don't create a second table for sub-comments. Just store comments like in your one-to-many example, but each comment may link to its "parent" comment when it is a reply.
Another solution that many sites use is to skip implementing their own comment system, and just embed a comment service like Disqus. That's likely to be much more reliable and safe than yours. But if you're doing this as a learning exercise, that's worthwhile too.
QUESTION
Sorry I don't show my variables or anything, tried to give information only pertaining to the questions. This 1 Sub is huge.
Currently my code allows a user to select multiple files, the files selected will be sorted in a specific format, then loaded into 2 different arrays. Currently loads Columns D:E into 1 array and Columns I:K into another array (from selected files QSResultFileWS, and returns those arrays to my destination FormattingWS. I'm still trying to learn arrays so if the methodology I used to do this isn't proper, be gentle.
ANSWER
Answered 2021-Jun-14 at 23:12You can use the FILTER function to remove the blanks.
Replace you lines load the arrays
QUESTION
I need to get token to connect to API. Tried with python this:
...ANSWER
Answered 2021-Jun-12 at 17:16First note that a token must be obtained from the server ! A token is required to make some API calls due to security concerns. There are usually at least two types of tokens:
- Access token: You use it to make API calls (as in the Authorization header above). But this token usually expires after a short period of time.
- Refresh token: Use this token to refresh the access token after it has expired.
You should use requests-oauthlib in addition with requests.
https://pypi.org/project/requests-oauthlib/
But first, read the available token acquisition workflows:
https://requests-oauthlib.readthedocs.io/en/latest/oauth2_workflow.html#available-workflows
and choose the right workflow that suits your purposes. (The most frequently used is Web App workflow)
Then, implement the workflow in your code to obtain the token. Once a valid token is obtained you can use it to make various API calls.
As a side note: be sure to refresh token if required.
QUESTION
I'm currently learning HTML, CSS, and JavaScipt. I'm trying to make a basic project, but I'm having problems with adding a new image on the new card. When I click on the 'add item' button, I create a new card with image. However, when I add another card for the second time, my image from the first card that I created will disappear. Can someone help me on how to fix this solution. Thank you.
...ANSWER
Answered 2021-Jun-15 at 19:05Rather than using two different function, one for adding card image and one for card content, try combining both of them.. here use the code for your reference.
QUESTION
I am a beginner learning from a tutorial on how to change the colour of a selected area of a picture with a range of colour options.
I can figure out how to change one area, but unsure how to implement the other areas.
What I want to achieve is to click on the selected area, it highlights the border (CSS), then change the colour by using the colour options.
What is the best way to implement this? I'm I correct in thinking maybe a switch statement with onclick to select the specific area of the picture?
...ANSWER
Answered 2021-Jun-15 at 11:48You could try having a "select" function run when you click on one of the areas. This function would "highlight" the area (border-color), and save the id of the area in a variable.
Then when you click on the color swatches another function would run that will take the value previously saved id and select the HTML element based on that.
QUESTION
My code should print the number of all the words replaced from Z's to Y's, using a while loop.
...ANSWER
Answered 2021-Jun-15 at 17:18Use sum and count with list comprehension
QUESTION
Hey just doing some exercises in c, one is saying to replace tabs in the input string with any other characters , i restrict myself to only using getchar(), no gets() fgets() etc..., as my learning book didn't catch it yet, so i tried to not break the flow, the code below just printf() the same line it receives, can you please examine why ?
ANSWER
Answered 2021-Jun-15 at 16:33c, which is used inc != '\n', is not initialized at first. Its initial value is indeterminate and using is value without initializng invokes undefined behavior.- You are checking
line[i] != '\0', but you never assigned'\0'tolineunless'\0'is read from the stream. - You should initialize
ibefore the second loop and updateiduring the second loop. - Return values of
getchar()should be assigned tointto distinguish betweenEOFand an valid character. - You should perform index check not to cause buffer overrun.
Fixed code:
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This branch contains the documentation associated with the branch of the same name from userfrosting/userfrosting. See Website Installation Guide to install a complete instance of the docs with all versions available.
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Install Grav and replace the user directory with this repository git clone https://github.com/getgrav/grav.git userfrosting-learn cd userfrosting-learn rm -r user git clone https://github.com/userfrosting/learn.git user
Install Grav bin/grav install
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