SHS | The Scalable Hyperlink Store
kandi X-RAY | SHS Summary
kandi X-RAY | SHS Summary
The Scalable Hyperlink Store is a specialized "database" for the web graph. SHS maintains the web graph in main memory, distributed over many machines. For more information, please see SHS-Release-Notes.pdf.
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QUESTION
I am trying to manipulate the images shown in my React App by voice. I implemented the SR, which works fine:
...ANSWER
Answered 2021-Jun-06 at 23:23Based on the code you've shared, it has to do with how you're updating the state if the transcript is equal to kitten.
Essentially, the logic you've written says, on render, if the transcript is kitten, update the state. BUT, when you update the state, that will re-render, and hit that logic again... and again... and again. The solution here is to wrap that in a useEffect – React Docs explain it best but in simple terms, you want to "do something" as a side effect of "something else".
In this case, if the transcript updates, you want to check the state of transcript, and if it meets a condition, you want to update your state:
QUESTION
I've built and published a script to retrieve daily short volume data via the Quandl data connector:
I actually just discovered that this script doesn't correctly access the data for preferred or classed shares like BRK.A, BRK.B because of the literal period in the symbol / ticker code which on Quandl I believe is either a slash or an underscore.
This is what I've currently used in my script so far:
...ANSWER
Answered 2021-Apr-09 at 20:28The str.replace_all built-in function sounds like what you are looking for:
QUESTION
I am currently working on a google sheet where I'm counting the number of schools that have a device assigned. One of the ranges that I'm pulling contains duplicate device serials from another column.
My question is what would be a good formula given that i'm counting column A but i want to not include anything that might be a duplicate in column C.
For example:
A---------------B-----------C
RHS---------date------0011
EHS---------date------0082
EHS---------date------0064
EHS---------date------0082
SHS---------date------0058
I want to count EHS in Column A but exclude the duplicate number in Column C. The answer should be 2
Thank you for any help!
...ANSWER
Answered 2021-Feb-22 at 12:24QUESTION
If I have a dict of lists, and I want to map/replace values in a column to the key of each item if one of the list values match, how can I do this?
For example:
...ANSWER
Answered 2021-Jan-01 at 06:02Let us try explode then replace
QUESTION
After hours of debugging I figured out the error is inside the foreach loop in MenuItemView in the folder ContentViews.
The app crashes and the error is:
Fatal error: Index out of range: file Swift/ContiguousArrayBuffer.swift, line 444.
Information:
I have got an ObservableObject with an Array of Structs inside as data storage.
The problem:
The ForEach goes between 0 and the array count + 1. This is so I can have an extra item for adding new elements. In the ForEach is a check if the index is inside the bounds (if (idx >= palettesOO.palettes.count) then show the plus).
But it crashes when I right click any cell and click "Remove". This calls the function RemovePalette in the class Manager. There the data gets removed from the array inside the ObservableObject - this also works.
AFTER the function gets called the app crashes (I know this because I printed a message after the function call). I figured out that the crash occurs when the view gets redrawn (updated).
If I have a view element which does not need a binding, for example a Text, then it works, if it needs a binding, for example a TextField it crashes. Text(palettesOO.palettes[idx].palName) inside of the else inside the ForEach works but view elements or subviews which require Bindings do not work: TextField("", text: $palettesOO.palettes[idx].palName) crashes.
I have tried modifying the ForEach with things like these but with no success.
The Code and Data:
...ANSWER
Answered 2020-Dec-21 at 06:10As per Answer at stackoverflow link
Create a struct as under
QUESTION
edit 9 Dec 2020: I have been asked to clarify the question. The best clarification I can offer is that ShadowRanger's code:
...ANSWER
Answered 2020-Nov-30 at 20:56QUESTION
I want to set up a RDBMS for structured time series data of limited size (about 6000 series, 50mb of data) at various frequencies (daily, monthly, quarterly, annual CY and annual FY), and I want to run SQL queries on the database (mostly join various tables by time). The database is updated once a month. The variable names of the tables in this database are rather technical not very informative. The raw data is labeled as shown in the table below (example of a monthly table).
I started setting this up in MySQL and figured that just equipping tables with appropriate temporal identifiers gives me the join functionality I want. I could however not find out how to store the variable labels appropriately. Is it possible to somehow add attributes to the columns? Or can I link a table to the table mapping labels to the column names, such that it is carried along in joins? Or should I set this up using a different kind of database? (database must be easy to set up and host though, and SQL is strongly preferred). I am grateful for any advice.
Update: I figured you can add comments to MySQL columns and tables, but it seems these cannot be queried in a standard way or carried along in joins. Is it possible to retrieve the information in the comments along with the queried data from a standard database connector (like this one for the R language: https://github.com/r-dbi/RMySQL)? Below a DDL example for tables with variable labels as comments.
...ANSWER
Answered 2020-Nov-27 at 13:42I would structure your data differently. I would put all your measures in a single table and have a single measure per row. I would then add a DATE table (so that you have the week/month/quarter/year values for each metric date) and a METRIC_TYPE table that holds the labels for each metric code.
By normalising the data like this I think you have a more flexible design and it'll allow you to do what you want.
This is only for illustration of what I mean - it is not meant to be a definitive design:
QUESTION
I have this JSON file with several keys inside:
...ANSWER
Answered 2020-Oct-25 at 11:51You are missing a dot after '1.0.2.1'. Given the json you provided, do this:
QUESTION
Here's an example of my listA.txt
...ANSWER
Answered 2020-Oct-20 at 07:02You can use a regex match to find vowels
QUESTION
I was following this tutorial on how to build a whiteboard with react and konva and it provides an undo function for shapes but does not work for lines because lines are not added to the layer in the same way. How can I implement undo for free draw line?
EDIT:
To expand on my question, here is the relevant code:
I have a public repo that you can check out (and make a PR if that's easier).
https://github.com/ChristopherHButler/Sandbox-react-whiteboard
I have also have a demo you can try out here:
https://whiteboard-rho.now.sh/
Here is the relevant code
line component:
...ANSWER
Answered 2020-Sep-11 at 15:19If I understand this right you saying that for shapes which are added individually there is an easy 'undo' process, but for lines which use an array of points for their segments, there is no simple undo - and no code in the tutorial you are following?
I can't give you a react code sample but I can explain some of the concepts you need to code up.
The 'freehand line' in your whiteboard is created as a sequence of points. You mousedown and the first point is noted, then you move the mouse and on each movemove event that fires the current mouse position is added to the end of the array. By the time you complete the line and mouseup fires, you have thrown multiple points into the line array.
In the Konvajs line tutorial it states:
To define the path of the line you should use points property. If you have three points with x and y coordinates you should define points property as: [x1, y1, x2, y2, x3, y3].
[Because...] Flat array of numbers should work faster and use less memory than array of objects.
So - your line points are added as separate values into the line.points array.
Now lets think about undo - you are probably there already but I'll write it out anyway - to undo a single segment of the line you need to erase the last 2 entries in the array. To erase the entire line - well you can use the standard shape.remove() or shape.destroy() methods.
In the following snippet the two buttons link to code to 'undo' lines. The 'Undo by segment' button shows how to pop the last two entries in the line.points array to remove a segment of the line, and the 'Undo by line' button removes entire lines. This is not a react example specifically, but you will in the end create something very close to this in your react case.
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