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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...

Hadoop

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...

KaTeX

References KaTeX Rendering LaTeX in Javascript with KaTeX and JekyllExamples The Normal Distribution Jekyll supports kramdown parser MathJax-compatible script type=”tex/math”inline text.

Artificial Intelligence

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...

Glassfish

References How To Install Glassfish 4.0 on Ubuntu 12.04.3 Install Glassfish 4 on a Debian 8 VPSPrerequisite Debian JavaInstall GlassfishDownload and unzip Glassfishapt-get install wget unzipcd /optwget http://download.java.net/glassfish/4.1.2/release/glassfish-4.1.2.zipunzip glassfish-4.1.2.z...

Java

References HOW TO INSTALL ORACLE JAVA 8 IN DEBIAN VIA REPOSITORY JDK8Prerequisite DebianPreperation# Check java version if existjava -versionInstall Oracle Java 8Add the webupd8team Java PPA repository in your Debian system.echo "deb http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main"...

Debian

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...

Creating UML, EER, ERD Diagrams

In MySQLWorkbench you can export EER Diagram to PNG, SVG, PDF and PostScript formats by following Reverse Engineer wizard steps.In Sequel Pro you can export Graphviz dot files. The result is a basic table-based ERD. You can use graphviz to export the diagram to svg.Install Sequel Pro, run the app...

How to Convert an ePub to Mobi Format

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...

Docker

What is Docker? Package your Java EE Application using Docker and Kubernetes MySQL on Docker: Building the Container Image Modular and Reusable Java EE Architecture with Docker Step-by-Step High Availability with Docker and Java EE The Difference: Docker vs. VirtualizationInstallation of d...

Hello World in Python on Apache

Create hello.py with this content:12345#! /usr/bin/pythonprint "Content-type: text/html"print ""print "Hello, World!"and make it executable:$ chmod +x hello.pyand dropped this .htaccess:Options +ExecCGIAddHandler cgi-script .py

MongoDB, ElasticSearch and Marvel module installation

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...

Homebrew

Installing homebrew$ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"Updating homebrew$ brew updateUpgrading homebrew$ brew upgradeReinstall outdated casks$ brew cask outdated | xargs brew cask reinstallTroubleshooting$ brew doctorInstalling mongodb formul...

WordPress installation in a directory

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...

Using Mono to compile CSharp files on MacOS X

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...

Passing image stream to jasper report

3 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} and “Expression class” to java.lang...

Free NTFS read and write on Mac

Edit 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 to interpret whatever’s after that space as a separate command. If your DRIVE_NAME is made up of ...

primefaces galleria redirect onclick using remoteCommand

Suppressing GPG signing for Maven builds

Add gpg plugin in a profile as below and then when you need to do a release, add the property to your mvn command:mvn -DperformRelease=true ...<profiles> <profile> <id>release-sign-artifacts</id> <activation> <property> <name>performRel...

Git

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...

jdbc connection pool for mssql

<jdbc-resource enabled=”true” jndi-name=”jdbc/b2bc_mssql” object-type=”user” pool-name=”b2bc_mssql”></jdbc-resource><jdbc-connection-pool allow-non-component-callers=”false” associate-with-thread=”false” ...

Bulk update with JPA CriteriaUpdate

public void bulkUpdatePricesInLocal() { CriteriaBuilder cb = em.getCriteriaBuilder(); CriteriaUpdate<ProductEntity> cu = cb.createCriteriaUpdate(ProductEntity.class); Root<ProductEntity> root = cu.from(ProductEntity.class); Join<ProductEntity, CurrencyEntity> currenc...

MySQL

Resetting a forgotten root password/etc/init.d/mysql stop/usr/bin/mysqld_safe --skip-grant-tables &amp;mysql --user=root mysqlmysql> update user set Password=PASSWORD('new-password-here') WHERE User='root';mysql> flush privileges;mysql> exit/etc/init.d/mysql startrandom integer range...

Pattern Examples

AcronymDescriptionShift PeriodAggregationComparison YTDYear To DateX QTDQuarter To DateX MTDMonth To DateX MATMoving Annual TotalX PYPrevious YearX PQPrevious QuarterX PMPrevious MonthX PPPrevious Period (automatically selects year, quarter, or month)X PMATPrevious Year Moving Annu...

Apriori Algorithm

Apriori Algorithm is to find association rules and frequent item sets (also closed and maximal as well as generators). It is used for Frequent Pattern Mining.References: http://lsirwww.epfl.ch/courses/dis/2005ws/exercises/apriori/www/ http://www2.cs.uregina.ca/~dbd/cs831/notes/itemsets/itemset_...

Gaussian plot

Making 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/12 (intereset rate per compounding period) n: mt=12*t (loan’s term, number of monthly payments)PMT(PV, i, n) ...

Compounded interest calculation with SAGE

Suppose you deposit $5000 in an account that earns 4.5% compounded monthly. You are curious when your total will reach $ 7000. Using the formula A = P(1+i)n, where P is the principal, A is the amount at the end, i is the interest rate per month, and n is the number of compounding periods (number ...

Inject Maven project informations into Java application

References: http://ovaraksin.blogspot.com.tr/2012/02/inject-maven-project-informations-into.html

EclipseLink and MultiTenant

References: http://www.eclipse.org/eclipselink/documentation/2.5/solutions/multitenancy001.htmMultitenantType.SINGLE_TABLE## MultitenantType.TABLE_PER_TENANT## MultitenantType.VPD

JSONP, JSONWithPadding

SortedSetMultimap

Install local jar with the maven-install-plugin

References: http://www.baeldung.com/install-local-jar-with-maven/

Location of the SQLite DB file

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

LOGO TIGERPLUS VIEW - SATIŞ İRSALİYE SATIRLARI

—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...

Running socat on Mac OS X

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...

enum type with numeric key

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...

Random hex html color code in Java

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/

Manually creating a service in Windows

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...

How to add a local library to a maven project in NetBeans?

Right-click on the “Dependencies” folder in the Projects view Enter some groupId, artifactId and version information Dependency will be added to the pom.xml and will appear under “Libraries” node of maven project Right-click lib node and “manually install artifact”, fill the path to the jar ...

Rename files by removing first x characters and last y characters

@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 %%...

node.js update version

check current node.js versionnode -vnode --versionclean npm cachesudo npm cache clean -finstall nsudo npm install -g nupgrade to stable versionsudo n stable

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

/** * 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>...

Copying one single row to insert into the same table

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;

JSF2 image path in css as background-image

You should be using the EL variable #{resource} in CSS to specify image resources.Change below lines for bootstrap.css for example@font-face { font-family: 'Glyphicons Halflings'; src: url('../fonts/glyphicons-halflings-regular.eot'); src: url('../fonts/glyphicons-halflings-regular.eot?#iefix'...

Upload, list and download files with Dropbox Java API

Symfony2 optional requirements installation on Mac OS X

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...

Apache Virtual Host and SSL on Mac OSX

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...

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

Install mod-jk apt-get install libapache2-mod-jkEnable Apache modulea2enmod jkCreate /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# Define worke...

Convert png image to jpg with white background

http://www.imagemagick.org/www/mogrify.htmlmogrify -format jpg -background white -flatten *.png 

Error when generating the bootstrap

To resolve the issue with the bootstrap file generation,php composer update --no-scriptsphp vendor/sensio/distribution-bundle/Sensio/Bundle/DistributionBundle/Resources/bin/build_bootstrap.php 

One-To-Many, Unidirectional with Join Table

/** * One-To-Many, Unidirectional with Join Table * http://docs.doctrine-project.org/en/2.0.x/reference/association-mapping.html#one-to-many-unidirectional-with-join-table * * @ORM\ManyToMany(targetEntity="ARIPD\UserBundle\Entity\User") * @ORM\JoinTable(name="dms_dealer_users", * joi...

SEO for video pages

<meta name="title" content="Video Başlığı"> <meta name="description" content="Video Açıklaması"> <meta name="medium" content="video"> <meta name="video_height" content="402"> <meta name="video_width" content="468"> <meta name="video_type" content="application/x-sh...

Installing PHPUnit

Installing PHPUnit for Symfony2sudo apt-get remove phpunitsudo pear channel-discover pear.phpunit.desudo pear channel-discover pear.symfony-project.comsudo pear channel-discover components.ez.nosudo pear update-channelssudo pear upgrade-allsudo pear install --alldeps phpunit/PHPUnitsudo pear inst...

Physical mapping

Apache uses a physical mapping technique to map URLs to a physical files. The easiest way to register a FrontController with apache is to move physical file into the ~DocumentRoot directory. Assuming a DocumentRoot of /home/user/public_html, apache will map http://www.mydomain.com/index.php?categ...

Method Chaining in PHP5

Chaining method calls can help shorten the amount of code you have to write while accomplishing the same programatic goals.Let’s say, you have a class that needs to have some data set to it before you can start applying methods. A traditional approach may look like this.class A { private $data...

Accessing the Virtual Server from the Host System

Now that our server is up and running, we want to be able to access it from our host system. We’ll set it up so we can SSH to it, transfer files to it via SFTP, and make HTTP requests to Apache.To do all this we need to edit the xml configuration file for our virtual machine: On a Mac, the file ...

What is and is not Spring?

Source: Wrox Professional Java Development With The Spring Framework, page 50There is some confusion about whether Spring competes with J2EE. It does not. J2EE is most successful as a set of specifications for low-level services; Spring is essentially an enabler of an application programming mode...

Restore Database from backed up .sql file

To restore database from backed up .sql filemysql -u [username] -p [database] < yourbackup.sql

Webmin

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

Reverse a string

public class StringDemo { public static void main(String[] args) { String palindrome = "Dot saw I was Tod"; int len = palindrome.length(); char[] tempCharArray = new char[len]; char[] charArray = new char[len]; // put original string in an array of chars ...

RewriteEngine and RewriteRule for .htaccess

To enable rewrite, run below commanda2enmod rewriteTo rewrite your url, add below lines between <VirtualHost></VirtualHost> tagRewriteEngine onRewriteCond %{http_host} ^yourdomain.com [nc]RewriteRule ^(.*)$ http://www.yourdomain.com/$1 [r=301,nc]To rewrite your url, open your .htacces...

Php - setlocale

If 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 not worki...

Linux

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...

ORM Associations

Object-oriented languages represent associations using object references; but inthe relational world, an association is represented as a foreign key column, withcopies of key values (and a constraint to guarantee integrity). There are substan-tial differences between the two representations.Objec...

MSSQL Connection with PHP and JAVA

Edit php.ini and activate extension.extension=php_mssql.dllThe default way to connect to MSSQL Server with user names and passwords, but the mssql extension can be configured to use secure/trusted connections. So you have to set mssql.secure_connection = On in php.ini.mssql.secure_connection = On...

Create a self-signed certificate and Activate SSL on Apache2

Install opensslsudo apt-get install opensslTo create a self-signed certificatesudo openssl req -new -x509 -days 365 -nodes -out /path/to/cert.pem -keyout /path/to/cert.pemFill the fields as belowCountry Name (2 letter code) [AU]:IEState or Province Name (full name) [Some-State]:Locality Name (eg,...

Converting string type array to integer type on php

$data1 = array("1","2","3","4","5");$data2 = $array_map( create_function('$value', 'return (int)$value;'), array_values($data1) );$data2 array will be$data2 = array(1,2,3,4,5);

How to create a .JAR file?

Java Archive (JAR) files allow developers to package many classes into a single file. JAR files also use compression, so this can make applets and applications smaller.Creating a .JAR file is easy. Simple go to the directory your classes are stored in and type :-jar -cf myfile.jar *.classIf your ...

Query with comma delimited values

Since IN() function is not a good way to retrieve fields with comma delimited values unless it’s the exact string, we will use FIND_IN_SET() function to retrive comma delimited integer values which points question_id numbers./***  ***/SELECT *FROM`educa_exam` AS `ex`,`educa_question` AS `eq`WHERE...

REALM Security

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...

Leap Day Algorithm - Artık Gün Algoritması

if 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

Internationalization: Native-to-ASCII Converter

http://java.sun.com/javase/6/docs/technotes/tools/windows/native2ascii.html

Create favicon.ico on linux

Install 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 on File > Save as &...

How to remove Windows (Desktop) Search

Run below command to uninstall it%systemroot%\$NtUninstallKB940157$\spuninst\spuninst.exeIf it fails and you get a “The system cannot find the path specified.” error, then download the zipped copy from here. To work out where to extract it to, type:echo %systemroot%Open the zip file, and extract ...

Stored Procedure

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...

Changing cache_dir and log_dir with Symfony2

Add the following methods to app/AppKernel.php (AppKernel extends Kernel) making them return your preferred paths:public function getCacheDir() { return $this->rootDir . '/my_cache/' . $this->environment;}public function getLogDir() { return $this->rootDir . '/my_logs';}

Using multiple databases in Symfony2

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

List of Common TCP Ports

The following is a list of common ports. During a network security audit, port scans will be perfeormed to determine what network services are available. These services can be on different Operating systems.20 FTP data (File Transfer Protocol)21 FTP (File Transfer Protocol)22 SSH (Secure Shell)23...

Blank image encoded as data-uri

transparent image 1x1 pixeldata:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==white image 1x1 pixeldata:image/gif;base64,R0lGODlhAQABAIAAAP7//wAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==tiniest imagedata:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw...