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I have a search query component. User types query, clicks run and executes it. However, due to how state is organized, it causes excessive re renders. Following is a simplification of it. This organization of the code feels natural to me. QueryEditor is normally a complex editor, hence it stores ...

I have a dataframe in like below id group log 10 UU1Q 23 10 UU1Q 12 10 UU2Q 15 11 UU2Q 17 11 UU3Q 35.6 11 UU1Q 29.8 11 UU1Q 33 11 UU1Q 44 13 UU2Q 17.77 13 UU2Q 19.90 13 UU2Q 55 14 UU3Q 33 15 UU3Q 22 For Each ID and group I want to create all possible combination of log values present in the dataf...

I have a AVFrame and I want to save it to file. If I only store frame->data[0] to file, the image will be Grey image, how to view full color? I use C language. Do you have any suggestions on what I should read to understand and do these things by myself?Right Answer Here↓A relatively simp...

I am trying to better understand BigQuery queryPlan, and try to establish data lineage at a column-level using that queryPlan. Everything started fine, READ, COMPUTE, etc... are pretty understandable, then I crossed a JOIN step. Using a simple query that will join two tables on a single column, a...

I've been trying to setup an Ethereum node using geth inside a Zedboard which has Arch Linux ARM installed inside it. I am using the latest version of the binaries for the ARM7 version available in the official page (1.10.15). This is intended to be a proof of authority network using Clique as co...

I have two files: touch a.txt touch b.txt In bash I would like to list them each one in its own line. #!/bin/bash var=$(ls -1 *.txt) echo "$var" Because there are double quotes in: echo "$var" command each of file is displayed in separate lines (that is what I want): a.txt b.t...