slipper | Tidy and easy bootstrapping | Data Visualization library
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QUESTION
I'm trying to get some insight in this room for optimization for a SQL query (BigQuery). I have this segment of a WHERE clause that needs to include all instances where h.isEntrance is TRUE or where h.hitNumber = 1. I've tested it back and forth with CASE statements, and with OR statements for them, and the results aren't wholly conclusive.
It seems like the CASE is faster for shorter data pulls, and the OR is faster for longer data pulls, but that doesn't make sense to me. Is there a difference between these or is it likely something else driving this difference? Is one faster/is there another better option for incorporating this logical requirement into my query? Below the statement is my full query for context in case that's helpful.
Also open to any other optimizations I may have overlooked within this query as lowering the runtime for this query is paramount to its usefulness.
Thanks!
...ANSWER
Answered 2021-Jun-08 at 15:46From a code craft viewpoint alone, I would probably always write your CASE
expression as this:
QUESTION
ANSWER
Answered 2021-May-11 at 10:41If you are happy with how web colors are named you can just use the x-values for the palette:
QUESTION
I have recently started learning react and react-router-dom. My task is to route the pages dynamically and view data as per the dynamic routes.
so when i routed to this url http://localhost:3000/category it should display all the categories and when i click each of the category it should render only the child component with the data. Currently it is rendering with the parent component.
Example: if i route to this url http://localhost:3000/category/nike it should render only the Product component with nike description. Below is my code. Please help me with your suggestion.
App.js
...ANSWER
Answered 2021-Apr-17 at 20:48The way you have written code in write but that's not the best way to do it , Common and easy way is to create a component for All category view and Particular Category view , another way is to use route /category
with one component but use query like this /category?name=nike
, then you can get the query field name value and match , if that field is missing then we can display all the categories
I have written in code sandbox to explain the same , you can refer to that architecture and implement the same
QUESTION
I'm trying to do some (simple) plots in Clojure and it seems like Oz would be a great long term solution. However, I'm running into problems just trying to get the example code to run. PS I'm completely new to ClojureScript / Reagent / Hiccup ...
On the website it shows the following example code:
...ANSWER
Answered 2021-Apr-14 at 22:31Try something like the following, which uses my favorite template project.
QUESTION
For my project, I need to have dynamic routes, because {slug} in URL can point to multiple resources.
...ANSWER
Answered 2021-Jan-20 at 09:27You can exclude some keywords from the wildcard route with regex in the where
statement:
QUESTION
I'm a beginner, don't throw your slippers to me. The example is degenerate, but ... There is an post model with text and owner. Each post is associated with its address, so posts have coordinates stored in a separate table. At this stage, I can create a post with coordinates by overriding the create () method.
...ANSWER
Answered 2020-Nov-03 at 11:33When you try to retrieve a Post
instance using PostDetailSerializer
, it will look for attributes listed in PostDetailSerializer.Meta.fields
.
So in addr_point
its accessing post.addr_point
which doesn't exist in your model.
I would suggest a couple of changes:
QUESTION
I am using MongoDB shell version v3.6.3. I have two collections 1. User 2. Business I have given sample data below.
...ANSWER
Answered 2020-Oct-30 at 10:16You can try,
$lookup
using pipeline, passsaved_products
in let$unwind
deconstructProducts
array$match
product id$mergeObjects
to merge business fields and product fields$replaceRoot
to replace merged object in root
QUESTION
Below is a sample of my dataframe.
...ANSWER
Answered 2020-Oct-25 at 04:37The following code can be used to support multiple aggregation functions for column R.
QUESTION
so I have a problem where when I open my program and select 4 which is supposed to make it display all of the strings in the array but in reverse.
...ANSWER
Answered 2020-Sep-25 at 07:08First of all this line:
QUESTION
Suppose I have the list of dictionaries dataset that is stored like this:
...ANSWER
Answered 2020-Aug-27 at 18:57Below (The data under 'Information' is a list and you need to iterate over the list entries)
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