Posts

You'll read about technologies

restful

restful webservice curl

Posted on


Common Options-#, --progress-bar Make curl display a simple progress bar instead of the more informational standard meter.-b, --cookie <name=data> Supply cookie with request. If no =, then specifies the cookie file to use (see -c).-c, --cookie-jar <file name> File... » more...

xattr

xattr

Posted on


DescriptionUsing the xattr command, you can inspect the extended attributes:Examples$ xattr s.7zcom.apple.metadata:kMDItemWhereFromscom.apple.quarantineand use the -d option to delete one extended attribute:$ xattr -d com.apple.quarantine s.7z$ xattr s.7zcom.apple.metadata:kMDItemWhereFromsyou ca... » more...

Jekyll

jekyll

Posted on


References https://jekyllrb.com/InstallationInstall ruby first.brew install rubygem install bundler jekyllRun bundle install to install missing gems.bundle install » more...

SSL

SSL

Posted on


References RSA vs. DSA for SSH authentication keys RSA Key Sizes: 2048 or 4096 bits? How To Secure Apache with Let’s Encrypt on Debian 9 Importing LetsEncrypt into Java and Glassfish How to install a SSL certificate on GlassFishHow can I install a free SSL certificate using let’s encrypt?You... » more...

ELK Stack

ELK Stack Elasticsearch Logstash Kibana

Posted on


References Docker ELK stack Java app monitoring with ELK - Part I - Logstash and Logback Monitoring Java applications with ELKUsageGet Docker ELK StackDownload Docker ELK StackBringing up the stack$ docker-compose upInitial setupDefault Kibana index pattern creationCreate an index pattern via ... » more...

Mac OS X

Mac OS X

Posted on


Hidden Utilitiesafplay - Audio File Playafplay [option…] audio_fileFree NTFS read and write on MacEdit fstab filesudo nano /etc/fstabAdd below line where DRIVE_NAME is the name of the drive. The drive’s name should contain no spaces, as adding a space to the configuration file would tell your Mac... » more...

Logback

Logback Logging SLF4J

Posted on


LogbackDBAppenderThe DDL script can be found inside source code logback-classic\src\main\java\ch\qos\logback\classic\db\<db>.sql.DBAppender can be defined as below for JNDIConnectionSource<appender name="databaseAppender" class="ch.qos.logback.classic.db.DBAppender"> <connectionSo... » more...

JSF

JSF Java Server Faces

Posted on


References What’s new in JSF 2.3? What’s new in JSF 2.3?WebsocketOne of the most attractive features is JSF 2.3 added native websocket support, it means you can write real-time applications with JSF and no need extra effort.To enable websocket support, you have to add javax.faces.ENABLE_WEBSOCK... » more...

Tomcat behind Apache with multiple (sub)domains and web apps

tomcat apache

Posted on


Install mod-jkapt-get install libapache2-mod-jkEnable Apache modulea2enmod jkCreate workersCreate /etc/apache2/workers.properties and add the following into it# List workersworker.list=worker1,worker2# Define worker1worker.worker1.port=8009worker.worker1.host=domain1.tldworker.worker1.type=ajp13#... » more...

Persistence

JDBC Persistence JPA Eclipselink

Posted on


Java Type to JDBC Type JAVA TYPE JDBC TYPE java.time.LocalDate DATE java.time.LocalTime TIME java.time.LocalDateTime TIMESTAMP java.time.OffsetTime TIME_WITH_TIMEZONE java.time.OffsetDateTime ... » more...

Derby

Apache Derby

Posted on


References Apache Derby: Documentation Derby TutorialApache DerbyConnect to the database with ijFirst run ij tool. The Derby ij tool is a JDBC tool that you can use to run scripts or interactive queries against a Derby database.java -jar /Library/Java/JavaVirtualMachines/jdk1.8.0_162.jdk/Conten... » more...

JavaFX

JavaFX

Posted on


References JavaFX CSS Reference Guide ControlsFX Scene Builder JavaFX CSS Reference GuideJavaFXPeriodic actionTimeline timeline = new Timeline( new KeyFrame( Duration.millis(2500), ae -> System.out.println("Periodic action") ));timeline.setCycleC... » more...

Jupyter Notebook

Jupyter Notebook datascience

Posted on


Installation of Jupyter Notebookdocker run -d -p 8888:8888 --datascience hello aripd/datascienceConverting Jupyter Notebook to HTMLjupyter nbconvert --template basic notebook.ipynb » more...

KPI’s that can help improve your e-commerce

ecommerce kpi

Posted on


Return on investmentMeasure the effectiveness of channels pay comparing revenue to marketing spend.Year over year growthMeasure and compare variations for revenue, conversion rates, average order size, customer lifetime value and more.Customer lifetime valueUnderstand the average value of a custo... » more...

Ruby

Ruby

Posted on


Installation of different versions of Ruby in Mac OSX\curl -sSL https://get.rvm.io | bash -s stablesource /Users/dev/.rvm/scripts/rvmrvm list knownrvm install ruby-2.4.2ruby -vTo use the latest installed version, runrvm use ruby-2.4.2To set this as the default version, runrvm use ruby-2.4.2 --def... » more...

TeX

LaTeX KaTeX

Posted on


References KaTeX Rendering LaTeX in Javascript with KaTeX and Jekyll Speed up pdf export from org-mode with latexmkLaTeXPlugins LaTeX Workshop by James Yu atom-latexKeep watching the file for changes and recompilelatexmk -pvc -pdf -view=none document.texKaTex The Normal Distribution Jekyll... » more...

MSSQL

MSSQL JDBC jtds

Posted on


References Run the SQL Server 2017 container image with DockerMSSQLRunning the SQL Server 2017 container image with DockerThe default memory on Docker is 2 GB. Increase Docker memory to 4 GB.docker pull microsoft/mssql-server-linuxdocker run -e 'ACCEPT_EULA=Y' -e 'MSSQL_SA_PASSWORD=<YourPassw... » more...

SSH

SSH

Posted on


ReferencesSSHChecking for existing SSH keysEnter ls -al ~/.ssh to see if existing SSH keys are present:ls -al ~/.ssh# Lists the files in your .ssh directory, if they existCheck the directory listing to see if you already have a public SSH key.By default, the filenames of the public keys are one o... » more...

Maven

Maven

Posted on


References Creating maven archetypesSkipping tests, gpg and javadoc$ mvn clean install -DskipTests -Dgpg.skip -Dmaven.javadoc.skip=trueMaven Dependency GraphOpen pom.xml and go to the Graph tab to see dependency graph.Creating maven archetypesGenerate the base-archetypecd into the project direct... » more...

Testing

Testing

Posted on


References Enterprise Java.next: A Slideless Keynote A Note On Jakarta EE Testing Achieve Quality Code and ROI through Test AutomationTestingStress test jmeter - Apache JMeter to load test functional behavior and measure performance ab - Apache HTTP server benchmarking tool5 clients 1000 tim... » more...

VirtualBox

VirtualBox

Posted on


References NonePrerequisite LinuxCommandsConfigure full screensuapt-get update && apt-get upgradeapt-get install build-essential module-assistantm-a preparesh /media/cdrom/VBoxLinuxAdditions.runshutdown -r 0 » more...

Markdown

Markdown

Posted on


References NonePrerequisite NoneExamplesLink to a named anchorPlace an anchor### <a name="head1234"></a>A Heading for the entry!where you want to link to and refer to it on the same page by [link](#head1234)Highlight ruby code with line numbers123456789101112# Program to find the fa... » more...

Hadoop

Hadoop Big Data

Posted on


References Installing Hadoop on Mac Hadoop Eğitim Serisi (Veri Madenciliği) Hadoop File System ShellPrerequisite HomebrewInstalling Hadoop$ brew install hadoopHadoop will be installed in the following directory /usr/local/Cellar/hadoopConfiguring HadoopEdit hadoop-env.shThe file can be locate... » more...

Artificial Intelligence

AI Artificial Intelligence Machine Learning Big Data

Posted on


References Artificial Intelligence: Look Ma, No Hands! Stanford University CS 229 Machine Learning Stanford University CS231n: Convolutional Neural Networks for Visual Recognition Machine Learning: The Basics, with Ron Bekkerman Machine Learning for Big Data in the Cloud GraphLab vs. Piccol... » more...

Glassfish

Glassfish Application Server

Posted on


References How To Install Glassfish 4.0 on Ubuntu 12.04.3 Install Glassfish 4 on a Debian 8 VPS How To Determine java heap size From GC Logs Tuning Your Java VM Java Platform, HotSpot Virtual Machine Garbage Collection Tuning GuidePrerequisite Debian JavaInstall Glassfish# Download Glassfi... » more...

JEE

JEE

Posted on


References web.xml deployment descriptorweb.xml deployment descriptor4.0 -> for Java EE 83.1 -> for Java EE 73.0 -> for Java EE 62.5 -> for Java EE 52.4 -> for Java EE 4Java EE 7 XML schema, namespace is http://xmlns.jcp.org/xml/ns/javaee/<web-app xmlns="http://xmlns.jcp.org/xm... » more...

Java

Java

Posted on


References how to install open jdk 11 How To Install Java with Apt-Get on Debian 8 Signing Using RSA CertificatesPrerequisite DebianJAVAPreperationCheck java version if existjava -versionInstallingapt-get updateapt-get install default-jdkCheck if Java has been properly installedjava -versionJ... » more...

Debian

Debian Linux Operating System

Posted on


Prerequisite LinuxPreperation# Check debian versionlsb_release -a# Update the systemapt-get update && apt-get upgradeCleaning up deinstalled packagesSee the list of all the currently installed and deinstalleddpkg --get-selectionsSee how many packages are in the ‘deinstalled’ state with t... » more...

How to Convert an ePub to Mobi Format

ebook epub mobi kindle kindlegen calibre

Posted on


Since Kindle cannot read files in the EPUB file format we need to convert it to MOBI file format.If you are looking for an online converter please go to this site. You can convert file formats such as DOC, PPT, ODS, and PDF.If you are using Linux or OSX, install the program called Calibre to conv... » more...

Docker

docker

Posted on


What is Docker? Package your Jakarta EE Application using Docker and Kubernetes MySQL on Docker: Building the Container Image Modular and Reusable Jakarta EE Architecture with Docker Step-by-Step High Availability with Docker and Jakarta EE The Difference: Docker vs. Virtualization 9 Dock... » more...

Python

python

Posted on


PythonSimpleHTTPServer$ python -m SimpleHTTPServer 8080pipInstall pip$ python get-pip.pyUninstall pip$ python -m pip uninstall pip setuptoolsInstalling the requirements# In order to keep your environment consistent, “freeze” the current state of the environment packages.$ pip freeze > requirem... » more...

MongoDB, ElasticSearch and Marvel module installation

mongodb elastic marvel

Posted on


Prerequisite HomebrewInstalling mongoDB$ brew install mongodbConfiguring mongoDBConfiguration file is /usr/local/etc/mongod.confTo start mongoDB$ brew services start mongodbThis will use /usr/local/var/mongodb/ as data directoryor using mongoDB deamon$ mongodThis will use /data/db/ as data direc... » more...

Homebrew

Homebrew

Posted on


Installing homebrew$ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"Updating homebrew$ brew updateUpgrading homebrew$ brew upgradeUpgrading caskBelow will not update casks that do not have versioning information (version :latest) or applications that have... » more...

WordPress installation in a directory

wordpress

Posted on


Copy index.php to root. Edit the file and add subdirectoryrequire( dirname( __FILE__ ) . '/directory/wp-blog-header.php' );Edit .htaccess file# BEGIN WordPress<IfModule mod_rewrite.c>RewriteEngine OnRewriteBase /directory/RewriteRule ^index\.php$ - [L]RewriteCond %{REQUEST_FILENAME} !-fRewr... » more...

Using Mono to compile CSharp files on MacOS X

mono c# csharp

Posted on


Download Connector/Net (mysql-connector-net-version-noinstall.zip) and extract the contents to a directory.Ensure the file MySql.Data.dll is present.You must register the Connector/Net component, MySql.Data, in the Global Assembly Cache (GAC). In the current directory enter the gacutil command:su... » more...

Jasper Report

jrxml jasper reports

Posted on


Passing image stream to jasper report3 steps to pass image stream to jasper report. Convert the image to stream and set it in parameter (“logo”) In jrxml file , create a parameter with parameter class as “java.io.InputStream” Place a image on the jrxml design, set “Image Expression” to $P{logo... » more...

PrimeFaces

PrimeFaces

Posted on


PrimeFaces galleria redirect onclick using remoteCommand » more...

Git

git github

Posted on


Delete a Tag on Gitgit tag -d [tag]git push origin :[tag]If your tag has the same name as one of your branches;git tag -d [tag]git push origin :refs/tags/[tag]See all Branchesgit branchCreate a Branch from previous commitgit branch branchname <sha1-of-commit>Push the new Branch to servergit... » more...

Web Service

Web Service JAX-WS SOAP

Posted on


References JAX-WS : SOAP handler in client side JAX-WS : wsimport tool example JAX-WS : wsgen tool example Container Authentication with JAX-WS JAX-WS : SOAP handler in server sideWeb Service JAX-WS represents SOAP (Simple Object Access Protocol) JAX-RS represents REST (Representational St... » more...

MySQL

MySQL

Posted on


References How To Backup MySQL DatabasesCreating database, user and privilegesCREATE DATABASE dbname CHARACTER SET utf8 COLLATE utf8_general_ci;CREATE USER dbname@localhost IDENTIFIED BY 'P@ssword1';GRANT ALL PRIVILEGES ON dbname.* TO dbname@localhost;FLUSH PRIVILEGES;Setting user passwordSET PA... » more...

SAGE

sage

Posted on


Gaussian plotMaking a polar plot (describing the radiation pattern of an antenna)Mortgage calculation with SAGE PMT: Payment PV: Present Value (loan’s principal, amount barrowed) r: monthly interest rate (compounded monthly) t: number of years of the loan m: 12 (compounding period) i: r/m=r... » more...

Process Models in Software Engineering

Process Models Waterfall Model Iterative Model Spiral Model V Model Big Bang Model

Posted on


LifecycleWe use structured sequence of stages (process models) in software engineering to develop the intended software product.Process ModelsWaterfall ModelWaterfall model is the simplest model of software development paradigm. It says the all the phases of SDLC will function one after another i... » more...

EclipseLink and MultiTenant

eclipselink multitenancy multitenant

Posted on


References http://www.eclipse.org/eclipselink/documentation/2.5/solutions/multitenancy001.htmMultitenantType.SINGLE_TABLEMultitenantType.TABLE_PER_TENANTMultitenantType.VPD » more...

JSONP, JSONWithPadding

JSONP JSONWithPadding

Posted on


» more...

SortedSetMultimap

guava

Posted on


» more...

Location of the SQLite DB file

Database SQLite

Posted on


on WindowsC:\Users\%USERNAME%\AppData\Local\Apple Computer\Safari\Databaseson Mac/Users/[username]/Library/Safari/Databases/http_[URL of the site creating the DB]_0/Users/[username]/Library/Safari/Databases/file__0Name of the database is something like 0000000000000002.db » more...

LOGO TIGERPLUS VIEW - SATIŞ İRSALİYE SATIRLARI

LOGO TigerPlus

Posted on


—2014—USE [TIGERPLUS]GO/****** Object: View [dbo].[LV_001_SATIS_IRSALIYE_SATIRLARI] Script Date: 09/24/2014 20:21:16 ******/SET ANSI_NULLS ONGOSET QUOTED_IDENTIFIER ONGOALTER VIEW [dbo].[LV_001_SATIS_IRSALIYE_SATIRLARI]ASSELECT S.DATE_ AS TARIH, F.FICHENO AS IRSALIYE_NO, C.CODE AS CARI_KO... » more...

Running socat on Mac OS X

socat

Posted on


References: http://www.xappsoftware.com/wordpress/2013/10/10/how-to-run-socat-on-mac-os-x/ http://scott.cranton.com/2011/04/socat-is-so-cool.html http://justcheckingonall.wordpress.com/2009/06/09/howto-vsp-socat/ http://buhadram.wordpress.com/2008/10/07/some-useful-socat-commands/Install soca... » more...

enum type with numeric key

java enum

Posted on


public enum BarcodeType { QR_CODE(1), CODE_128(2), EAN_13(3); private final int value; private BarcodeType(int value) { this.value = value; } public int getValue() { return value; } public static BarcodeType parse(int value){ for (BarcodeType type : Barco... » more...

Random hex html color code in Java

hex color random

Posted on


Random rnd = new Random();int intVal = rnd.nextInt(16777215 + 1);return Integer.toHexString(intVal);orreturn Integer.toString(intVal, 16);16777215 == ffffff in decimalReferences: http://www.paulirish.com/2009/random-hex-color-code-snippets/ » more...

Manually creating a service in Windows

windows service

Posted on


To create a windows service manually, the syntax is:sc create <servicename> binpath=<pathtobinaryexecutable> [option1] [option2] [optionN]An example:sc create aripd binPath="C:\Program Files\ARIPD\start.exe" DisplayName="ARIPD" start=autoIf it is worked you will see:[SC] CreateService... » more...

Rename files by removing first x characters and last y characters

mono c# csharp

Posted on


@echo offsetlocal enabledelayedexpansionrem set S=0set /p S="The number of characters to be trimmed from the beginning of the file name: " %=%rem set X=6set /p X="The number of characters to be trimmed from the end of the file name: " %=%set FOLDER_PATH=.pushd %FOLDER_PATH%for %%f in (*) do if %%... » more...

Java calculation of the geographic midpoint for two or more points on the earth's surface

geolocation Java

Posted on


/** * Calculation of the geographic midpoint (also known as the geographic center, * or center of gravity) for two or more points on the earth's surface Ref: * http://www.geomidpoint.com/calculation.html * * @param points * @return */public static Point2D.Double midpoint(List<Point2D.Double>... » more...

Copying one single row to insert into the same table

sql

Posted on


CREATE TEMPORARY TABLE tmptable SELECT * FROM teacher WHERE id = 1;UPDATE tmptable SET id = 2 WHERE id = 1;INSERT INTO teacher SELECT * FROM tmptable WHERE id; » more...

Upload, list and download files with Dropbox Java API

Java upload dropbox api download

Posted on


» more...

Symfony2 optional requirements installation on Mac OS X

installation mac os x Symfony

Posted on


intl extensionUse “port” to install php5-intlsudo port install php5-intlCopy intl.so into active php extensions directorysudo cp /opt/local/lib/php/extensions/no-debug-non-zts-20090626/intl.so /usr/lib/php/extensions/no-debug-non-zts-20090626/Add “extension=intl.so” into php.inisudo nano /etc/php... » more...

Apache Virtual Host and SSL on Mac OSX

Apache ssl Virtual Host

Posted on


sudo pico /etc/hosts127.0.0.1 localhost127.0.0.1 albatros.project.aripd.comsudo pico /etc/apache2/httpd.confInclude /private/etc/apache2/extra/httpd-vhosts.confInclude /private/etc/apache2/extra/httpd-ssl.confsudo pico /etc/apache2/extra/httpd-vhosts.confNameVirtualHost *:80<Virtua... » more...

Convert png image to jpg with white background

convert png jpg

Posted on


mogrify -format jpg -background white -flatten *.png » more...

SEO

seo

Posted on


Video pages<meta name="title" content="Video Title"> <meta name="description" content="Video Description"> <meta name="medium" content="video"> <meta name="video_height" content="402"> <meta name="video_width" content="468"> <meta name="video_type" content="applic... » more...

Webmin

Linux Webmin

Posted on


Download Debian Package and run itwget http://prdownloads.sourceforge.net/webadmin/webmin_1.480_all.debdpkg --install webmin_1.480_all.debIf it asks for dependenciesaptitude install libnet-ssleay-perl libauthen-pam-perl libio-pty-perl libmd5-perl » more...

php

php

Posted on


setlocaleIf money_format doesn’t seem to be working properly, make sure you are defining a valid locale. For example, on Debian, ‘en_US’ is not a valid locale - you need ‘en_US.UTF-8’ or ‘en_US.ISO-8559-1’.Debian has a list of valid locales at /usr/share/i18n/SUPPORTED; find yours there if it’s n... » more...

Linux

Linux

Posted on


How to pronounce LinuxInternet newsgroup participants have long debated the proper pronunciation of Linux. Because the name Linux was conferred by Linux kernel author Linus Torvalds, his pronunciation of the word should reign as standard as I see it. However, Linus is Finnish and his pronunciatio... » more...

REALM Security

tomcat realm

Posted on


UserDatabaseRealm%TOMCAT_HOME%\conf\server.xmlBasic<Realm className="org.apache.catalina.realm.UserDatabaseRealm" debug="0" resourceName="UserDatabase"/>Digest<Realm className="org.apache.catalina.realm.UserDatabaseRealm" debug="0" resourceName="UserDatabase" digest="MD5"/>%TOMCAT_HOM... » more...

Algorithm

Algorithm

Posted on


Leap Day Algorithm - Artık Gün Algoritmasıif year modulo 400 is 0 then leapelse if year modulo 100 is 0 then no_leapelse if year modulo 4 is 0 then leapelse no_leap » more...

Stored Procedure

RDBMS SQL JDBC

Posted on


A stored procedure is a group of SQL statements that form a logical unit and perform a particular task, and they are used to encapsulate a set of operations or queries to execute on a database server.String createProcedure = "create procedure SHOW_SUPPLIERS " + "as " + "select SUPPLIERS.SUP... » more...

Create favicon.ico

favicon.ico

Posted on


Using netpbm and GIMPInstall netpbm and GIMPaptitude install netpbm gimpStep # 1: Convert logo to ppm raw format Open your logo using GIMP Now cut and paste logo in square Next resize logo by visiting Image > Scale image option. Set pixel size to 16 x 16 or 32 x 32 or 48 x 48. Next click o... » more...

Using multiple databases in Symfony2

multiple database Symfony

Posted on


Edit app/config/config.yml# Doctrine Configurationdoctrine: dbal: default_connection: default connections: default: dbname: db1 user: user1 password: pwd1 host: ... » more...

Search