I often use pipes in Bash, e.g.: dmesg | less Although I know what this outputs, it takes dmesg and lets me scroll through it with less, I do not understand what the | is doing. Is it simply the...

I just created a custom Pipe and normally I would register it in app.module.ts, but In Angular 17 we dont have that file. How do we register now? TIA I was thinking of importing into the imports ar...

I have a general question about popen (and all related functions), applicable to all operating systems, when I write a python script or some c code and run the resulting executable from the console...

For Example using @if, I am able to do this: @if(items$ | async; as items). I am able to declare 'items' as a variable holding the array of items using the 'as' keyword in the template. How can I a...

It is possible to pipe data using unix pipes into a command-line php script? I've tried $> data | php script.php But the expected data did not show up in $argv. Is there a way to do this?

I have a for loop array of promises, so I used Promise.all to go through them and called then afterwards. let promises = []; promises.push(promise1); promises.push(promise2); promises.push(promise...

I basically want to test if stdin has input (like if you echo and pipe it). I have found solutions that work, but they are ugly, and I like my solutions to be clean. On linux I use this: bool Std...

in the BusyBox command for Linux exists the command microcom to communicate with a serial modem: BusyBox v1.13.2 (2012-05-10 17:13:08 CEST) multi-call binary Usage: microcom [-d DELAY] [-t TIMEOU...

This is tiny snippet of my code. #include <stdio.h> #include <unistd.h> #include <stdlib.h> #include <time.h> #include <sys/stat.h> #include <sys/wait.h> ...

On GitHub I want to build a table containing pieces of code in Markdown. It works fine except when I put a pipe char (i.e. | ) between the backtick (i.e. ` ) chars. Here is what I want: a | r -...

I am new to the command prompt want to know how all the command works … I want to know how to apply pipe and filter in cmd to go through the directory and print only those files/folders th...

I am attempting to create a custom pipe that would return a sum of an array in a table, but for whatever reason, Angular is complaining about my pipe not having an 'emod' property. My pipe: import ...

Can someone post a simple example of using named pipes in Bash on Linux?

My question is probably simple but just can't find the way to use pipe within an event like (click) for example. Something like this: <button (click)="quizAnswers(answer?.texte | translate | as...

Is there a way of doing the following ex1 <- quote(iris) ex2 <- quote(dplyr::filter(Species == "setosa" & Sepal.Width > 4)) substitute(x %>% y, list(x = ex1, y = ex2)) #&...

I want to create a simple IO object that represents a pipe opened to another program to that I can periodically write to another program's STDIN as my app runs. I want it to be bullet-proof (in tha...

With the magrittr pipe, one could use backticks ( ` ) to include special functions1 in the pipe chain. For example: library(magrittr) c(7, 6, 5) %>% sort() %>% `[`(1) #> [1] 5 # and 3 %&...

I'd like to disable colors when the output is piped somewhere else than a terminal.

i need your help, i'm trying to display some datas from my firebase but it trhows me an error like InvalidPipeArgument: '[object Object]' for pipe 'AsyncPipe'. There is my service: import { In...

One such program that uses a wait function like this is this one: #include<stdio.h> #include<stdlib.h> int main() { int pid,fd[2]; int n; char line[20]; if(pipe(fd)<0) { pr...

I have to display Euro currency like this : 583 €. But with this code: {{ price | currency:'EUR':true }} I get €583, is there any option in Angular core to move the symbol to right? A lot of eu...

I am trying to learn the piping function (%>%). When trying to convert from this line of code to another line it does not work. ---- R code -- original version ----- set.seed(1014) replicate(6,sa...

Bash allows to use: cat <(echo "$FILECONTENT") Bash also allow to use: while read i; do echo $i; done </etc/passwd to combine previous two this can be used: echo $FILECONTENT | while read i...

I have a set of images (as BGRA byte[]) with their respective timestamps in milliseconds and I want to pass it to FFmpeg to build an animation. I'm using FFmpeg v6 right now and in this example I'm...

In my R script, I would like to print a message in the middle of a long pipe (which takes a long time to run) without breaking the pipe. I need this to track the progress of the running pipeline. I...