Can use a phone call but cannot FaceTime for Mac

Can use a phone call but cannot FaceTime for Mac ====================================== Symptom -------- - I use FaceTime on El Capitan. - I can use FaceTime on iPhone. - On FaceTime on Mac I can choose "Call Using iPhone" but cannot FaceTime. - FaceTime Video and Voice icons are greyed out. - On FaceTime on Mac I can receive a FaceTime call from others but cannot call others from me. Cause -------- - You will find a local telephone number a card in your contacts, e.g. 090-1234-5678. - Local telephone numbers don't work on FaceTime on Mac. Solution -------- - You need to put **a country number** in your contacts, e.g. +44 for UK, +81 for Japan. - For instance a telephone number in Japan 080-1234-5678 should be changed into +81 80-1234-5678.

Agile Methodologies

Agile Methodology Books ======================= |Abbreviation|Name|The Book| |--|--|--| |LeSS|Large-scale Scrum|<a href="http://www.amazon.com/gp/product/0321985710/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=0321985710&linkCode=as2&tag=tofu02-20&linkId=KX5VFAZRK5D6Z5TE"><img border="0" src="http://ws-na.amazon-adsystem.com/widgets/q?_encoding=UTF8&ASIN=0321985710&Format=_SL160_&ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=tofu02-20" ></a><img src="http://ir-na.amazon-adsystem.com/e/ir?t=tofu02-20&l=as2&o=1&a=0321985710" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />| |DAD|Disciplined Agile Delivery|<a href="http://www.amazon.com/gp/product/0132810131/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=0132810131&linkCode=as2&tag=tofu02-20&linkId=S7UAPFE6MWDEFDTL"><img border="0" src="http://ws-na.amazon-adsystem.com/widgets/q?_encoding=UTF8&ASIN=0132810131&Format=_SL160_&ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=tofu02-20" ></a><img src="http://ir-na.amazon-adsystem.com/e/ir?t=tofu02-20&l=as2&o=1&a=0132810131" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />| |SAFe|Scaled Agile Framework|Release on November 27, 2016 <a href="http://www.amazon.com/gp/product/0134209427/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=0134209427&linkCode=as2&tag=tofu02-20&linkId=WKHX7GJLQRCTBSGK">Scaled Agile Framework (SAFe) Distilled: A Practical Guide to Scaling Agile in the Enterprise</a><img src="http://ir-na.amazon-adsystem.com/e/ir?t=tofu02-20&l=as2&o=1&a=0134209427" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />| |ASR|Agile Software Requirements|<a href="http://www.amazon.com/gp/product/0321635841/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=0321635841&linkCode=as2&tag=tofu02-20&linkId=44VCG5YTMU7RZ23U"><img border="0" src="http://ws-na.amazon-adsystem.com/widgets/q?_encoding=UTF8&ASIN=0321635841&Format=_SL160_&ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=tofu02-20" ></a><img src="http://ir-na.amazon-adsystem.com/e/ir?t=tofu02-20&l=as2&o=1&a=0321635841" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />| Related Books ============= |Abbreviation|Name|The Book| |--|--|--| |USM|User Story Mapping|<a href="http://www.amazon.com/gp/product/1491904909/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1491904909&linkCode=as2&tag=tofu02-20&linkId=OF5352BWA6WJXMVD"><img border="0" src="http://ws-na.amazon-adsystem.com/widgets/q?_encoding=UTF8&ASIN=1491904909&Format=_SL160_&ID=AsinImage&MarketPlace=US&ServiceVersion=20070822&WS=1&tag=tofu02-20" ></a><img src="http://ir-na.amazon-adsystem.com/e/ir?t=tofu02-20&l=as2&o=1&a=1491904909" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />| |AE&P|Agile Estimating and Planning|<a href="https://www.amazon.com/gp/product/0131479415/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=0131479415&linkCode=as2&tag=tofu02-20&linkId=1bed2766bef9c8a115d2f8e50b14d915"><img border="0" src="//ws-na.amazon-adsystem.com/widgets/q?_encoding=UTF8&MarketPlace=US&ASIN=0131479415&ServiceVersion=20070822&ID=AsinImage&WS=1&Format=_SL160_&tag=tofu02-20" ></a><img src="//ir-na.amazon-adsystem.com/e/ir?t=tofu02-20&l=am2&o=1&a=0131479415" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />| |MJ|Mastering JIRA|<a href="https://www.amazon.com/gp/product/1784396516/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1784396516&linkCode=as2&tag=tofu02-20&linkId=f04b7ab7c45a494a5d6209b65066ab72"><img border="0" src="//ws-na.amazon-adsystem.com/widgets/q?_encoding=UTF8&MarketPlace=US&ASIN=1784396516&ServiceVersion=20070822&ID=AsinImage&WS=1&Format=_SL160_&tag=tofu02-20" ></a><img src="//ir-na.amazon-adsystem.com/e/ir?t=tofu02-20&l=am2&o=1&a=1784396516" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" />|

Buffalo LinkStation as a Server (BaaS)

Buffalo LinkStation as a Server (BaaS) ====================================== You can use Baffalo LinkStation as a Linux server because it is based on Linux. Download `acp_commander.jar` ----------------------------- http://downloads.buffalo.nas-central.org/TOOLS/ALL_LS_KB_ARM9/ACP_COMMANDER/ Run the following commands --------------------------- ```bash IP=<IP address of your LinkStation> ADMIN_PW=<the password of admin> ROOT_PW=<a password of root, which will be set in this process> java -jar acp_commander.jar -t $IP -ip $IP -pw $ADMIN_PW -c "(echo $ROOT_PW ; echo $ROOT_PW) | passwd" java -jar acp_commander.jar -t $IP -ip $IP -pw $ADMIN_PW -c "sed -i 's/UsePAM yes/UsePAM no/g' /etc/sshd_config" java -jar acp_commander.jar -t $IP -ip $IP -pw $ADMIN_PW -c "sed -i 's/PermitRootLogin no/PermitRootLogin yes/g' /etc/sshd_config" java -jar acp_commander.jar -t $IP -ip $IP -pw $ADMIN_PW -c "/etc/init.d/sshd.sh restart" ``` If you get the following error, ```bash Trying to authenticate EnOneCmd... ACP_STATE_OK Trying to authenticate with admin password... ACP_STATE_OK >sed -i 's/UsePAM yes/UsePAM no/g' /etc/sshd_config OK (ACP_STATE_OK) Changeing IP: ACP_STATE_PASSWORD_ERROR Please note, that the current support for the change of the IP is currently very rudimentary. The IP has been set to the given, fixed IP, however DNS and gateway have not been set. Use the WebGUI to make appropriate settings. ``` check the variables set without any quotes. It should be successful as follows ```bash Trying to authenticate EnOneCmd... ACP_STATE_OK Trying to authenticate with admin password... ACP_STATE_OK OK (ACP_STATE_OK) Changeing IP: ACP_STATE_PASSWORD_ERROR Please note, that the current support for the change of the IP is currently very rudimentary. The IP has been set to the given, fixed IP, however DNS and gateway have not been set. Use the WebGUI to make appropriate settings. ``` BTW changeing is a typo and sort of weird English... If you have the error still, run the following ```bash $ java -jar acp_commander.jar -t $IP -ip $IP -pw $ADMIN_PW -s ``` and run a command. This is one liner so that you ought to run the above again per a command. Go with ssh ----------- ```bash $ ssh -l root <IP address of LinkStation> ``` Shared folders are under `/mnt/array1`. Misc ---- `acp_commander.jar` can run commands for LinkStation. You can list commands with `-h` ```bash java -jar acp_commander.jar -h ``` a result ``` $ java -jar acp_commander.jar -h there seems to be no existing prefs, write default values ACP_commander out of the nas-central.org (linkstationwiki.net) project. Used to send ACP-commands to Buffalo linkstation(R) LS-PRO. WARNING: This is experimental software that might brick your linkstation! Version 0.4.1 (beta) Usage: acp_commander [options] -t target options are: -t target .. IP or network name of the Linkstation -m MAC ... define targets mac address set in the ACP package *), default = FF:FF:FF:FF:FF:FF. -na ... no authorisation, skip the ACP_AUTH packet. You should only use this option together with -i. -ba ... use bug/bufferoverflow on LS to bypass usual password authentication. Standard until acp_commander 0.4. -pw passwd . your LS admin password. If not given, but required you'll be asked for it. -i ID ... define a connection identifier, if not given, a random one will be used. (With param MAC the senders MAC address will be used.) Successfull authenitfications are stored in conjunction with a given connection ID. So you may reuse a previously used one. Using a lot of different id's in a chain of commands might cause a lot of overhead at the linkstation. -p port ... define alternative target port, default = 22936 -b localIP.. bind socket to local address. Use if acp_commander can not find your linkstation (might use wrong adapter). -f ... find linkstation(s) by sending an ACP_DISCOVER package -o ... open the linkstation by sending 'telnetd' and 'passwd -d root', thus enabling telnet and clearing the root password -c cmd ... sends the given shell command cmd to the linkstation. -s ... interactive shell -cb ... clear \boot, get rid of ACP_STATE_ERROR after firmware update output of df follows for control -ip newIP... change IP to newIP (basic support). -save ... save configuration -load ... load configuration -blink ... blink LED's and play some tones -savepref... write out acp_commander.preferences (XML) for editing. -loadpref... load acp_commander.preferences (XML) and store values in default place. -gui nr ... set Web GUI language 0=Jap, 1=Eng, 2=Ger. -addons ... install addons.tar from local or linkstationwiki. -diag ... run some diagnostics on LS settings (lang, backup). -emmode ... Linkstation reboots next into EM-mode. -normmode .. Linkstation reboots next into normal mode. -reboot ... reboot Linkstation. -shutdown .. shut Linkstation down. -d1...-d3 .. set debug level, generate additional output debug level >= 3: HEX/ASCII dump of incoming packets -q ... quiet, surpress header, does not work with -h or -v -h | -v ... extended help (this output) -u ... (shorter) usage *) this is not the MAC address the packet is sent to, but the address within the ACP packet. The linkstation will only react to ACP packets if they carry the correct (its) MAC-address or FF:FF:FF:FF:FF:FF This program is the result of the work done at nas-central.org (linkstationwiki.net), which is not related with Buffalo(R) in any way. Experimental software, use with care, it might brick your Linkstation! If this helps you, please consider donating to www.linkstationwiki.net $ ```

How to amend your Git history

How to amend/rewrite Git history/commits ================================ # For specific changes ## Change `oldtext` to `newtext` in all changes in commits: ```bash git filter-branch --tree-filter "find . -exec sed -i -e \ 's/oldtext/newtext/g' {} \;" ``` ## You may need `-f` for the second rewriting ```bash git filter-branch -f --tree-filter "find . -exec sed -i -e \ 's/oldtext2/newtext2/g' {} \;" ``` # For a specific file ## The following example is to remove all the files matching `*-e` in commits. ```bash git filter-branch --force --index-filter \ 'git rm --cached --ignore-unmatch *-e' \ --prune-empty --tag-name-filter cat -- --all ``` # For author info https://help.github.com/articles/changing-author-info/ ```bash #!/bin/sh git filter-branch --env-filter ' OLD_EMAIL="your-old-email@example.com" CORRECT_NAME="Your Correct Name" CORRECT_EMAIL="your-correct-email@example.com" if [ "$GIT_COMMITTER_EMAIL" = "$OLD_EMAIL" ] then export GIT_COMMITTER_NAME="$CORRECT_NAME" export GIT_COMMITTER_EMAIL="$CORRECT_EMAIL" fi if [ "$GIT_AUTHOR_EMAIL" = "$OLD_EMAIL" ] then export GIT_AUTHOR_NAME="$CORRECT_NAME" export GIT_AUTHOR_EMAIL="$CORRECT_EMAIL" fi ' --tag-name-filter cat -- --branches --tags ``` References ========== https://git-scm.com/book/en/v2/Git-Tools-Rewriting-History

Scala JIRA

Scala JIRA ============ JIRA, an issue tracker can do a bunch of data import/export and operations - via CSV - via REST However neither of them responses 1000 items per request. So REST is better for a lot of data or complex operations. Atlassian provide Java library for JIRA REST, [JIRA REST Java Client (JRJC)](https://ecosystem.atlassian.net/wiki/display/JRJC/Home) When you program for JIRA REST, you would use it but I don't feel like using Java in this programming era. Thus I created a scaffold for JIRA REST with Scala. Why I create it and show here is there is no specific documentation for the latest JRJC somehow. - classes and their structures are changed. - its sbt configuration (Maven dependencies) not written anywhere. Let's show my scaffold. Here is dependencies in build.sbt. ```scala libraryDependencies += "com.atlassian.jira" % "jira-rest-java-client-api" % "3.0.0" libraryDependencies += "com.atlassian.jira" % "jira-rest-java-client-core" % "3.0.0" resolvers += "spring-milestones" at "http://repo.spring.io/libs-milestone/" ``` Here is my sample app, which needs more dependencies than the above. ```scala import java.net.URI import com.atlassian.jira.rest.client.internal.async.AsynchronousJiraRestClientFactory import org.joda.time.DateTime import org.joda.time.format._ import scala.collection.JavaConverters._ /** * Created on 2015/12/02. */ object Auth { def main(args: Array[String]) { val restClientFactory = new AsynchronousJiraRestClientFactory() // http://host:port/context/rest/api-name/api-version/resource-name import com.typesafe.config.ConfigFactory val conf = ConfigFactory.load("account.conf") //val JIRA_BASE_URL = "http://[team name].atlassian.net/plugins/servlet/oauth/request-token" val jiraBaseURL = conf.getString("baseurl") // JIRA_BASE_URL + "/plugins/servlet/oauth/request-token" val uri = new URI(jiraBaseURL) val username = conf.getString("username") val password = conf.getString("password") val client = restClientFactory.createWithBasicHttpAuthentication(uri, username, password) // Invoke the JRJC Client val promise = client.getUserClient().getUser(username) val user = promise.claim() client.getProjectClient().getAllProjects().claim().iterator().asScala.map(project => { println(project.getKey() + ": " + project.getName()) }) val dateTime = DateTime.now() val dateString = DateTimeFormat.forPattern("yyyy-MM-dd").print(dateTime) println("dateString=" + dateString) // up to 1000 items even if you specify more. val maxResults = 10 val searchJqlPromise = client.getSearchClient().searchJql(s"due=$dateString ORDER BY assignee", maxResults, null, null) searchJqlPromise.claim().getIssues.asScala.map(issue => { println(issue.getKey + ": " + issue.getSummary) }) // Print the result println(String.format("Your admin user's email address is: %s\r\n", user.getEmailAddress())); // Done println("Example complete. Now exiting."); System.exit(0); } } ``` The whole source codes are [HERE](https://github.com/lamusique/ScalaJIRA).

Grab an Object in 3D with Processing

Grab an Object in 3D with Processing ================================ I want to grab a 3D object. I came up just with it but that's not twopence work. I'm an amateur for 3D processing. The solutions I researched 1. pixels matching - Pixelate all objects and match them with the cursor as a computer scientific method. 1. ray casting - Cast the ray to the rear which objects may hit as a linear algebraic method. 1 does the trick rather than conceptual calculation so I try 2 first. The Processing however doesn't have a method from the screen coordination to the model coordination, although it's just a problem if I create or not. And I tried to reify 2 with the Camera angle from the the front to the rear but it doesn't work yet with unknown distortion of the coordination. Thus I had to post the article in time I used the existing method, screenX() etc. which can convert the model coordination to the screen coordination.  I didn't have enough time to show it on P5.js. Here are [source codes](https://github.com/lamusique/ScalaProcessing/blob/feature/samples/src/test/scala/com/nekopiano/scala/processing/sandbox/sample/Grabbing.scala) I wrote with [Processing with Scala](http://sys-architecture.blogspot.com/2015/12/processing-with-scala.html) ToDos - Process with inverse matrix based on mathematics. - Sync the amount of the movement between the mouse and the model - Move only one object in the front

Processing with Scala

Processing with Scala ====================== The Processing program language is based on Java. Now while we are in the functional mathematical programming era, it's troublesome to write with Java, which has legacy computer grammar and syntax, e.g. you ought to write imperative `;` at the end of the line. Therefore I reify Processing with Scala, which runs on the JVM. It is similar strategy of P5.js, which runs as pure JavaScript. I created a kind of the framework for Processing with Scala. > https://github.com/lamusique/ScalaProcessing It became easier to import Processing jars since Processing libraries are in the Maven Repository and I imported them on sbt. Well let's get started and here is an example. I take an example from the official Processing Examples https://processing.org/examples/bouncybubbles.html and port it to Scala. ```scala package com.nekopiano.scala.processing.sandbox.sample import com.nekopiano.scala.processing.ScalaPApplet import processing.core.PApplet class BouncyBubbles extends ScalaPApplet { import BouncyBubbles._ val balls:Set[Ball] = { // in parallel val localBalls = (0 to numBalls).par.map(i => { new Ball(random(width), random(height), random(30, 70), i) }).seq.toSet localBalls.foreach(_.others = localBalls) localBalls } override def settings(): Unit = { size(640, 360) } override def setup() { noStroke() fill(255, 204) } override def draw() { background(0) balls.foreach(ball => { ball.collide() ball.move() ball.display() }) } } object BouncyBubbles { // Constants val numBalls = 12 val spring = 0.05f val gravity = 0.03f val friction = -0.9f // ==== booting process val BOOTING_CLASS_NAME = this.getClass.getName.dropRight(1) def main(args: Array[String]) { // This specifies the class to be instantiated. val appletArgs = Array(BOOTING_CLASS_NAME) if (args != null) { PApplet.main(PApplet.concat(appletArgs, args)) } else { PApplet.main(appletArgs) } } } class Ball(var x:Float, var y:Float, val diameter:Float, val id:Int)(implicit val sp5: ScalaPApplet) { import sp5._ import com.nekopiano.scala.processing.Angles._ import BouncyBubbles._ var others: Set[Ball] = Set.empty[Ball] var vx = 0f var vy = 0f def collide() { others.foreach(ball => { val dx = ball.x - x val dy = ball.y - y val distance = sqrt(dx*dx + dy*dy) val minDist = ball.diameter/2 + this.diameter/2 if (distance < minDist) { val angle = atan2(dy, dx) val targetX = x + cos(angle) * minDist val targetY = y + sin(angle) * minDist val ax = (targetX - ball.x) * spring val ay = (targetY - ball.y) * spring vx -= ax vy -= ay ball.vx += ax ball.vy += ay } }) } def move() { vy += gravity x += vx y += vy if (x + diameter/2 > width) { x = width - diameter/2 vx *= friction } else if (x - diameter/2 < 0) { x = diameter/2 vx *= friction } if (y + diameter/2 > height) { y = height - diameter/2 vy *= friction } else if (y - diameter/2 < 0) { y = diameter/2 vy *= friction } } def display() { ellipse(x, y, diameter, diameter) } } ``` Hmm, it doesn't make so much difference yet... I may have taken not good example. The framework of Processing with Scala hasn't yet ported from all the classes of the original Processing, e.g. all the methods of `PApplet`, so it's work in progress. The concurrent processes with Scala make errors because drawing processes (line(), box(), etc.) are done by GPU. Scala has to stop the concurrency before GPU drawing. I hope I will create an editor of Processing for Scala, which makes easily you write codes and test them. The Scala editor, SPD we know but the project has been suspended for 6 years... https://github.com/n8han/spde-examples If you are Scalaist, you should play Processing with Scala. You can use https://github.com/lamusique/ScalaProcessing as a template and you will understand Processing deeper.