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Monday, March 22, 2021

E: Sub-process /usr/bin/dpkg returned an error code (2) - SOLUTION

sudo rm /var/lib/dpkg/available sudo touch /var/lib/dpkg/available sudo sh -c 'for i in /var/lib/apt/lists/*_Packages; do dpkg --merge-avail "$i"; done' If previous instruction does not solve the problem... sudo dpkg --configure -a sudo apt-get -f install sudo apt-get clean sudo apt-get update && sudo apt-get upgrade

Installing SQLite 3

Installing SQLite 3 First update the apt package repository cache with the following command: $ sudo apt-get update The apt package repository cache should be updated. Now to install SQLite 3, run the following command: $ sudo apt-get install sqlite3 SQLite 3 should be installed. Now you can check whether SQLite 3 is working with the following command: $ sqlite3 --version Installing SQLite Browser Run the following command to install SQLite Browser: $ sudo apt-get install sqlitebrowser Now press y and then press . SQLite Browser should be installed. Using SQLite using SQLite Browser Now you can go to the Application Menu and search for SQLite Browser. You should see a database icon as marked in the screenshot below. Click on it.

Sunday, March 21, 2021

compile and run springboot program using terminal

Build program ---> mvn clean install Run Project ----> mvn clean package Set properties.yml file ------------------------------------------------------------------ spring: profiles:dev server: port:8000 --- spring: profiles:test server: port:9000 ------------------------------------------------------------------ Set Environment variable(dev or test) environment using following ncommand: or How to pass Environment variable to JVM

Build ig Failing using terminal || Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on project

Solution Add build dependency in pom.xml ------------------------------------------------------------------------------------------------------- org.apache.maven.plugins maven-compiler-plugin 1.8 1.8 --------------------------------------------------------------------------------------------------------------

Thursday, March 18, 2021

Best place to learn anything

http://www.noexcuselist.com/

Java FAQ

What makws java Platform Independent? Ans --1. Bytecode 2. JVM

Thursday, March 11, 2021

i18n Codes

The importance of locales is that your environment/os can provide formatting functionality for all installed locales even if you don't know about them when you write your application. My Windows 7 system has 211 locales installed (listed below), so you wouldn't likely write any custom code or translation specific to this many locales. The most important thing for various versions of English is in formatting numbers and dates. Other differences are significant to the extent that you want and able to cater to specific variations. af-ZA am-ET ar-AE ar-BH ar-DZ ar-EG ar-IQ ar-JO ar-KW ar-LB ar-LY ar-MA arn-CL ar-OM ar-QA ar-SA ar-SY ar-TN ar-YE as-IN az-Cyrl-AZ az-Latn-AZ ba-RU be-BY bg-BG bn-BD bn-IN bo-CN br-FR bs-Cyrl-BA bs-Latn-BA ca-ES co-FR cs-CZ cy-GB da-DK de-AT de-CH de-DE de-LI de-LU dsb-DE dv-MV el-GR en-029 en-AU en-BZ en-CA en-GB en-IE en-IN en-JM en-MY en-NZ en-PH en-SG en-TT en-US en-ZA en-ZW es-AR es-BO es-CL es-CO es-CR es-DO es-EC es-ES es-GT es-HN es-MX es-NI es-PA es-PE es-PR es-PY es-SV es-US es-UY es-VE et-EE eu-ES fa-IR fi-FI fil-PH fo-FO fr-BE fr-CA fr-CH fr-FR fr-LU fr-MC fy-NL ga-IE gd-GB gl-ES gsw-FR gu-IN ha-Latn-NG he-IL hi-IN hr-BA hr-HR hsb-DE hu-HU hy-AM id-ID ig-NG ii-CN is-IS it-CH it-IT iu-Cans-CA iu-Latn-CA ja-JP ka-GE kk-KZ kl-GL km-KH kn-IN kok-IN ko-KR ky-KG lb-LU lo-LA lt-LT lv-LV mi-NZ mk-MK ml-IN mn-MN mn-Mong-CN moh-CA mr-IN ms-BN ms-MY mt-MT nb-NO ne-NP nl-BE nl-NL nn-NO nso-ZA oc-FR or-IN pa-IN pl-PL prs-AF ps-AF pt-BR pt-PT qut-GT quz-BO quz-EC quz-PE rm-CH ro-RO ru-RU rw-RW sah-RU sa-IN se-FI se-NO se-SE si-LK sk-SK sl-SI sma-NO sma-SE smj-NO smj-SE smn-FI sms-FI sq-AL sr-Cyrl-BA sr-Cyrl-CS sr-Cyrl-ME sr-Cyrl-RS sr-Latn-BA sr-Latn-CS sr-Latn-ME sr-Latn-RS sv-FI sv-SE sw-KE syr-SY ta-IN te-IN tg-Cyrl-TJ th-TH tk-TM tn-ZA tr-TR tt-RU tzm-Latn-DZ ug-CN uk-UA ur-PK uz-Cyrl-UZ uz-Latn-UZ vi-VN wo-SN xh-ZA yo-NG zh-CN zh-HK zh-MO zh-SG zh-TW zu-ZA