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The following is a quote from Macros: the Plan for Scala 3 from more than 3 years ago:

For instance, one will be able to define a macro annotation @json that adds a JSON serializer to a type.

Any idea how/if this is actually possible in Scala 3?

More generally, is there anything in Scala 3 that can provide "Macro Annotations" functionality? The following is a quote from Macro Annotations - Scala 2.13:

Unlike in the previous versions of macro paradise, macro annotations in 2.0 are done right in the sense that they: 1) apply not just to classes and objects, but to arbitrary definitions, 2) allow expansions of classes to modify or even create companion objects

following are my files for html, .ts and json . As json data was very extensive therefore i have just added a few states and their cities. my 1st dropdown is showing all states. Now I want to match my 1st dropdown's selected value of state with a key "state" in "cities" object in my json file so i can populate 2nd dropdown with cities relevant to that state. and I want to do this in function "getCitiesForSelectedState". please help me find solution for this.

//.ts file

I'd like to know how to do 2 execution plans: "traditional" execution plan joins (A with B) and then C. The "new" plan joins (A with B) then (A with C) and then joins the result of those joins so there would be 3 joins. How would I code the traditional and new plan in Oracle SQLPlus given the code below? I also need to measure the time complexity of both methods to show that the new plan takes less time, which I believe I just do with set timer on; The joins can be on whatever attributes work. Same with select statements. I made a artist, b album, c track, and d played.

Here's the database:

I have a column named "Trip", in which I have infos such as the hotel, country, and type of trip. The thing is these infos are hand typed, so sometimes instead of typing "HOTEL ABC", the person entering the infos simply enters "ABC", or event "HTL ABC". Also, ABC can also refer to a country.

What I want is to extract all hotel names on each cell. Here's the function I created, but I can't get it to work. (Y2 is the TRIP Column)

As to say this code works but problem that i am facing that only one url it scrape the data afterward it through an error as show below in figure help me out from this . it print only one link after it through session not created error

I'm creating my first website and i'm currently stuck on how I can place the text below my gift icon. With the icon also centred. Any help would be very much appreciated!

This is what I currently have, as you can see the gift icon is inline with the text "vouchers"

This is what I am trying to get - with the icon above the text

I'm new to BootStrap and this is my first time creating a website. So if there is any way to improve the code even further please let me know!

Question: So when I go to collapse the navbar my navbar-brand logo shifts to the bottom. How do I have the logo remain on the top left when I reduce the size of the screen? Please refer to the linked images to see the problem.

I would like the logo to remain overlapping the navbar which I have done as shown on the "not collapsed" attached image.

collapsed

not collapsed

logo

I need to plot edges conditional on the speed_kph values such that edges with speed_kph > A are color X and edges with speed_kph < A are color Y. Is this possible in OSMnx?

From: map = ox.graph_from_place('Paradise, California', network_type='drive')

I can plot: ox.plot_graph(map,bgcolor='#FFFFFF',edge_color='#000000',node_color='#000000');

Impute speed and travel time as described in other docs: map_cons_speed = ox.add_edge_speeds(map) map_cons_speed = ox.add_edge_travel_times(map_cons_speed)

Then extract edges: gdf_nodes, gdf_edges = ox.graph_to_gdfs(map_cons_speed)

But I can not figure out how the plot edges conditional on their speed limit.

Does anyone have any ideas? Thank you in advance for your time!

I have data something like this coming from a field ->

{"AddressLine1":"Example Dr","AddressLine2":"","City":"Paradise City","State":"State Name","PostalCode":"12345","Zip5":"67891","Zip4":""}

{"AddressLine1":"Ex Ln","AddressLine2":"Adr 22","City":"","State":"State Name","PostalCode":"12345","Zip5":"67891","Zip4":""}

I need to extract the value in quotes beside "City":. In above cases I need values - Paradise City and NULL.