# Latest

**URL:** https://discourse.processing.org/latest.md?page=520

[Latest](https://discourse.processing.org/latest.md) · [Categories](https://discourse.processing.org/categories.md) · [Tags](https://discourse.processing.org/tags.md)

**Page:** 521

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## [Making a long text appearing and disappearing](https://discourse.processing.org/t/making-a-long-text-appearing-and-disappearing/8658)

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**Author:** [@videopirate](https://discourse.processing.org/u/videopirate)\
**Replies:** 11\
**Last updated:** [February 23, 2019, 4:19pm UTC](https://discourse.processing.org/t/making-a-long-text-appearing-and-disappearing/8658 "2019-02-23T16:19:22Z")

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Hi everyone, I am new here. hi hi! I am a visual artist and I project text (poetry) to an audience. I would love some help in making a long text appearing and disappearing. At the moment I have only two words. In my c…

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## [Anyone using Processing in Archlinux or Vim's plugin: Vim-processing?](https://discourse.processing.org/t/anyone-using-processing-in-archlinux-or-vims-plugin-vim-processing/8655)

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**Author:** [@nyquil](https://discourse.processing.org/u/nyquil)\
**Replies:** 2\
**Last updated:** [February 23, 2019, 1:16pm UTC](https://discourse.processing.org/t/anyone-using-processing-in-archlinux-or-vims-plugin-vim-processing/8655 "2019-02-23T13:16:37Z")

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Interested in learning a bit of processing, so just curious how well arch’s processing from the repository runs (since it uses openjdk), and also is anyone using this vim-processing for their vim? it hasn’t been updated …

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## [Homework Help for p5](https://discourse.processing.org/t/homework-help-for-p5/8650)

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**Author:** [@ixd](https://discourse.processing.org/u/ixd)\
**Replies:** 1\
**Last updated:** [February 23, 2019, 10:37am UTC](https://discourse.processing.org/t/homework-help-for-p5/8650 "2019-02-23T10:37:35Z")

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I need to answer these questions about the code below, and am having trouble understanding them… How many times does the loop body run each frame, once the x and y arrays are full? What are two ways of increasing t…

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## [While loop question](https://discourse.processing.org/t/while-loop-question/1230)

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**Author:** [@Parastoo](https://discourse.processing.org/u/Parastoo)\
**Replies:** 7\
**Last updated:** [February 23, 2019, 9:20am UTC](https://discourse.processing.org/t/while-loop-question/1230 "2019-02-23T09:20:13Z")

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I was watching The Coding Train’s While Loop tutorial (lesson 6.1-see link below). I had a really hard time digesting it and still don’t quite understand one thing. Why does it matter to reset x=0? I mean if you put “x=…

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## [Procesing controlP5 error](https://discourse.processing.org/t/procesing-controlp5-error/8577)

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**Author:** [@aprilla](https://discourse.processing.org/u/aprilla)\
**Replies:** 12\
**Last updated:** [February 23, 2019, 8:08am UTC](https://discourse.processing.org/t/procesing-controlp5-error/8577 "2019-02-23T08:08:52Z")

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arduino v plotter not work what is the problem I do not understand help me please WARNING: You are using a character that is not supported by controlP5’s BitFont-Renderer, you could use ControlFont instead (see the Co…

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## [Problem when updating libraries](https://discourse.processing.org/t/problem-when-updating-libraries/8643)

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**Author:** [@Grisha](https://discourse.processing.org/u/Grisha)\
**Replies:** 3\
**Last updated:** [February 23, 2019, 8:01am UTC](https://discourse.processing.org/t/problem-when-updating-libraries/8643 "2019-02-23T08:01:09Z")

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Exception in thread “AWT-EventQueue-0” java.lang.NullPointerException at processing.app.contrib.ListPanel$ContribStatusRenderer.configureStatusColumnLabel(ListPanel.java:330) at processing.app.contrib.ListPanel$Contrib…

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## [Ideas to Decrease Unformatted Code](https://discourse.processing.org/t/ideas-to-decrease-unformatted-code/8682)

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**Author:** [@figraham](https://discourse.processing.org/u/figraham)\
**Replies:** 14\
**Last updated:** [May 7, 2019, 3:04am UTC](https://discourse.processing.org/t/ideas-to-decrease-unformatted-code/8682 "2019-05-07T03:04:56Z")

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I’ve been using the forum for a while now and one thing I’ve noticed is that new users don’t always format their code. I personally think this is because people don’t know how and not because they don’t want to. It often…

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## [How to load sound in a web editor sketch?](https://discourse.processing.org/t/how-to-load-sound-in-a-web-editor-sketch/8640)

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**Author:** [@tv42](https://discourse.processing.org/u/tv42)\
**Replies:** 1\
**Last updated:** [February 22, 2019, 10:47pm UTC](https://discourse.processing.org/t/how-to-load-sound-in-a-web-editor-sketch/8640 "2019-02-22T22:47:44Z")

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https://editor.p5js.org/tv42/sketches/ejesQqE1v This sketch gives me a 404 error, even though the sound file appears in the project folder. Is something missing? Am I improperly using something from here?(https://p5js.o…

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## [Does Processing have a step by step executor?](https://discourse.processing.org/t/does-processing-have-a-step-by-step-executor/8613)

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**Author:** [@Livaarleen](https://discourse.processing.org/u/Livaarleen)\
**Replies:** 2\
**Last updated:** [February 22, 2019, 9:21pm UTC](https://discourse.processing.org/t/does-processing-have-a-step-by-step-executor/8613 "2019-02-22T21:21:03Z")

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Does processing have a mode in which code will be executed step-by-step, with an indication as to which line the executor is on, so that I can more easily debug? I am thinking of something similar to pythontutor.com

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## [Class function looping/setInterval issues](https://discourse.processing.org/t/class-function-looping-setinterval-issues/8644)

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**Author:** [@Maximos118](https://discourse.processing.org/u/Maximos118)\
**Replies:** 6\
**Last updated:** [February 22, 2019, 7:57pm UTC](https://discourse.processing.org/t/class-function-looping-setinterval-issues/8644 "2019-02-22T19:57:20Z")

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Ok, I’m trying to do something rather tricky here in p5. Take a look at my shudder class inside my Trees class: function draw() { background(0, 111, 10); trees.trunk(); trees.leaves(); trees.shudder(); } class Tr…

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## [Processing 3.5.3 running slow and crashing](https://discourse.processing.org/t/processing-3-5-3-running-slow-and-crashing/8551)

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**Author:** [@sr05110421](https://discourse.processing.org/u/sr05110421)\
**Replies:** 5\
**Last updated:** [February 22, 2019, 1:40pm UTC](https://discourse.processing.org/t/processing-3-5-3-running-slow-and-crashing/8551 "2019-02-22T13:40:01Z")

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Description Recently, I installed Processing 3.5.3 on my computer. Whenever I run any code, the software freezes, and prevents me from typing, and closing the software. I’ve tried both 64 and 32 bit versions of Processi…

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## [Port Serial en "Size"](https://discourse.processing.org/t/port-serial-en-size/7568)

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**Author:** [@Dolomiti](https://discourse.processing.org/u/Dolomiti)\
**Replies:** 15\
**Last updated:** [January 29, 2019, 5:49pm UTC](https://discourse.processing.org/t/port-serial-en-size/7568 "2019-01-29T17:49:04Z")

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Hello colleagues, I got stuck in this little program and I can not see a thread of the forum that opens the way. With this code it sent the characters “ACSii” to “scripcommunicator” but I want to send the same data from …

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## [Redundant declarations in interface PConstants](https://discourse.processing.org/t/redundant-declarations-in-interface-pconstants/8602)

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**Author:** [@GoToLoop](https://discourse.processing.org/u/GoToLoop)\
**Replies:** 16\
**Last updated:** [February 22, 2019, 12:06pm UTC](https://discourse.processing.org/t/redundant-declarations-in-interface-pconstants/8602 "2019-02-22T12:06:08Z")

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## [Calling classes that won't loop](https://discourse.processing.org/t/calling-classes-that-wont-loop/8623)

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**Author:** [@Maximos118](https://discourse.processing.org/u/Maximos118)\
**Replies:** 3\
**Last updated:** [February 22, 2019, 11:32am UTC](https://discourse.processing.org/t/calling-classes-that-wont-loop/8623 "2019-02-22T11:32:23Z")

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Hi there! I’m currently working on a game with p5 which will include some pretty complicated stuff… at least for me anyway. Hopefully you good looking people will help me to finish it in the future! Anyway my first of m…

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## [Draw circle shape with vertex](https://discourse.processing.org/t/draw-circle-shape-with-vertex/8558)

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**Author:** [@Stanlepunk](https://discourse.processing.org/u/Stanlepunk)\
**Replies:** 4\
**Last updated:** [February 22, 2019, 11:05am UTC](https://discourse.processing.org/t/draw-circle-shape-with-vertex/8558 "2019-02-22T11:05:11Z")

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I try to draw a circle with vertex, but my result is very dirty. I read a few article about that but I don’t find a solution ready to eat, so I coded something like I think possible to work but…so if anybody have sugges…

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## [ArrayList of ellipses only draws the last ellipses to canvas](https://discourse.processing.org/t/arraylist-of-ellipses-only-draws-the-last-ellipses-to-canvas/8618)

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**Author:** [@bandit0311](https://discourse.processing.org/u/bandit0311)\
**Replies:** 1\
**Last updated:** [February 22, 2019, 9:36am UTC](https://discourse.processing.org/t/arraylist-of-ellipses-only-draws-the-last-ellipses-to-canvas/8618 "2019-02-22T09:36:39Z")

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Im attempting to make a parallel coordinates plot. I have so far created the vertical axis for the graph and I have a class that each individual line is object of. I have all my line objects in an ArrayList container an…

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## [How to fix "Processing idispatch.dll is missing"](https://discourse.processing.org/t/how-to-fix-processing-idispatch-dll-is-missing/8615)

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**Author:** [@pdeepra1](https://discourse.processing.org/u/pdeepra1)\
**Replies:** 1\
**Last updated:** [February 22, 2019, 9:30am UTC](https://discourse.processing.org/t/how-to-fix-processing-idispatch-dll-is-missing/8615 "2019-02-22T09:30:29Z")

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Please help

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## [Accessing an SQL server database using the SQL library](https://discourse.processing.org/t/accessing-an-sql-server-database-using-the-sql-library/876)

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**Author:** [@rogeralms](https://discourse.processing.org/u/rogeralms)\
**Replies:** 5\
**Last updated:** [February 22, 2019, 8:01am UTC](https://discourse.processing.org/t/accessing-an-sql-server-database-using-the-sql-library/876 "2019-02-22T08:01:08Z")

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Hi, I am new to Processing and this forum. I couldn’t find any other posts on this so if this is an old question, please provide a link to the answer. Can you use the SQL library to access an SQL Server database? The lib…

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## [NoneType error in Python Processing](https://discourse.processing.org/t/nonetype-error-in-python-processing/8579)

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**Author:** [@Livaarleen](https://discourse.processing.org/u/Livaarleen)\
**Replies:** 3\
**Last updated:** [February 22, 2019, 2:40am UTC](https://discourse.processing.org/t/nonetype-error-in-python-processing/8579 "2019-02-22T02:40:18Z")

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Hi. I am completely new to Processing, and know nothing of Java, but I am fairly experienced with Python, so I have been writing some code with the Python version of Processing. I am writing a code that moves particles…

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## [App to make short experimental films based on automated instructions on where to go](https://discourse.processing.org/t/app-to-make-short-experimental-films-based-on-automated-instructions-on-where-to-go/8590)

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**Author:** [@aguanteyo24](https://discourse.processing.org/u/aguanteyo24)\
**Replies:** 5\
**Last updated:** [February 22, 2019, 12:24am UTC](https://discourse.processing.org/t/app-to-make-short-experimental-films-based-on-automated-instructions-on-where-to-go/8590 "2019-02-22T00:24:37Z")

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Hello everyone, this is my first post here! :slight\_smile: i wanted to make an app for android, that gives you random coordenates (within certain constraints) for you to go and record something that catches your attenti…

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## [How to specify the audio format for recording?](https://discourse.processing.org/t/how-to-specify-the-audio-format-for-recording/8609)

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**Author:** [@hollo](https://discourse.processing.org/u/hollo)\
**Replies:** 0\
**Last updated:** [February 21, 2019, 11:26pm UTC](https://discourse.processing.org/t/how-to-specify-the-audio-format-for-recording/8609 "2019-02-21T23:26:28Z")

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I would like to record audio for a telephony application in 8kHz, uLaw codec but I do not see any method to specify the audio recording format for the record() function (sampling rate, channels, sample bit size, codec) …

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## [Processing Voluntary Product Accessibility Template (V.P.A.T.)](https://discourse.processing.org/t/processing-voluntary-product-accessibility-template-v-p-a-t/8400)

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**Author:** [@Amannim](https://discourse.processing.org/u/Amannim)\
**Replies:** 10\
**Last updated:** [February 21, 2019, 9:01pm UTC](https://discourse.processing.org/t/processing-voluntary-product-accessibility-template-v-p-a-t/8400 "2019-02-21T21:01:10Z")

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The State University of New York system is requiring that all colleges make sure that the resources professors utilize in the classroom are accessible to all students. As part of the new compliance standards, we (the ins…

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## [NullPointer Exception on port.write](https://discourse.processing.org/t/nullpointer-exception-on-port-write/7822)

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**Author:** [@MrDoggss](https://discourse.processing.org/u/MrDoggss)\
**Replies:** 11\
**Last updated:** [February 21, 2019, 8:26pm UTC](https://discourse.processing.org/t/nullpointer-exception-on-port-write/7822 "2019-02-21T20:26:06Z")

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I’m trying to send data to an Arduino, but I keep getting a NullPointerException. I don’t get it. I’m no coder, so I am working with examples. If someone could point me in the right direction that would be awesome! imp…

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## [Processing Community Day @ Shanghai, China](https://discourse.processing.org/t/processing-community-day-shanghai-china/7631)

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**Author:** [@qianqian\_ye](https://discourse.processing.org/u/qianqian_ye)\
**Replies:** 2\
**Last updated:** [February 21, 2019, 7:53pm UTC](https://discourse.processing.org/t/processing-community-day-shanghai-china/7631 "2019-02-21T19:53:35Z")

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Hi, I’m Qianqian Ye. I am organizing the upcoming PCD@Shanghai with Chang Liu and Yuli Cai. PCD Shanghai Time: February 24, 2019 @ 10AM - 4PM Location: NYU Shanghai, Interacitve Media Arts Department, 8th Floor, 1555 …

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## [Floating Above Paint](https://discourse.processing.org/t/floating-above-paint/8601)

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**Author:** [@stevenoneilsteven](https://discourse.processing.org/u/stevenoneilsteven)\
**Replies:** 1\
**Last updated:** [February 21, 2019, 7:50pm UTC](https://discourse.processing.org/t/floating-above-paint/8601 "2019-02-21T19:50:48Z")

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Hi all, How do you arrange text to float above everything else on the canvas. Even above the mouse painting. S

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## [Coding game contest](https://discourse.processing.org/t/coding-game-contest/7981)

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**Author:** [@rosekl](https://discourse.processing.org/u/rosekl)\
**Replies:** 2\
**Last updated:** [February 2, 2019, 9:22am UTC](https://discourse.processing.org/t/coding-game-contest/7981 "2019-02-02T09:22:22Z")

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I discovered that this contest started a few days ago. All programming languages are welcome. A lot of processing users are experts of game programming! Maybe they want to participate in it. https://www.syntaxbomb.com/i…

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## [Robot Class - Check my Code Please](https://discourse.processing.org/t/robot-class-check-my-code-please/8441)

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**Author:** [@Ismaiel\_Ahmed](https://discourse.processing.org/u/Ismaiel_Ahmed)\
**Replies:** 5\
**Last updated:** [February 21, 2019, 6:20pm UTC](https://discourse.processing.org/t/robot-class-check-my-code-please/8441 "2019-02-21T18:20:54Z")

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Hello Geniuses, This code is for a Differential Drive Mobile Robot Class. The robot should change each of its left and right wheel velocity from \[-1.0 to 1.0\] . // I used nested for loop for this. In each specific ve…

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## [Android build fail(windows)(selectInput() and selectOutput() on android)](https://discourse.processing.org/t/android-build-fail-windows-selectinput-and-selectoutput-on-android/4372)

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**Author:** [@Bunnygamers](https://discourse.processing.org/u/Bunnygamers)\
**Replies:** 11\
**Last updated:** [February 21, 2019, 5:58pm UTC](https://discourse.processing.org/t/android-build-fail-windows-selectinput-and-selectoutput-on-android/4372 "2019-02-21T17:58:32Z")

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I was trying to build something for a android phone, but i got an error that said there’s an error with selectInput(blah,blah); and selectOutput(blah,blah); so, i want to ask if someone knows how to ask for files…

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## [Problem Create a Table -](https://discourse.processing.org/t/problem-create-a-table/8586)

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**Author:** [@Ismaiel\_Ahmed](https://discourse.processing.org/u/Ismaiel_Ahmed)\
**Replies:** 2\
**Last updated:** [February 21, 2019, 3:29pm UTC](https://discourse.processing.org/t/problem-create-a-table/8586 "2019-02-21T15:29:18Z")

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Hello Geniuses, I’m trying to save data in a table inside a class Table results = new Table(); results.addColumn("Diameter"); results.addColumn("Left Speed"); results.addColumn("Right Speed"); When i run the program i…

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## [Open the videos on Processing by serials - help needed](https://discourse.processing.org/t/open-the-videos-on-processing-by-serials-help-needed/8595)

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**Author:** [@jeniffer](https://discourse.processing.org/u/jeniffer)\
**Replies:** 0\
**Last updated:** [February 21, 2019, 9:32am UTC](https://discourse.processing.org/t/open-the-videos-on-processing-by-serials-help-needed/8595 "2019-02-21T09:32:04Z")

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Hello, I’m starter of Processing and Arduino, so sorry for it could be a very beginner’s question. I tried to googling it and finding some similar cases like me connecting the serial and video playing, but it was hard t…

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