↓ Skip to Main Content

TheoryApp

Main Navigation

  • Home
  • Java
Home › 2021 › March

Month: March 2021

Read Excel XLS Files in Java

By theoryapp Posted on March 20, 2021 Posted in Java Tagged with excel, xls

This tutorial shows how to read Excel .xls files using Java and Apache POI. The Apache POI Project (http://poi.apache.org/) provides Java APIs for manipulating file formats based upon the Office Open XML standards (OOXML) and Microsoft’s OLE 2 Compound Document …

Read Excel XLS Files in Java Read more »

Split a String in Java

By theoryapp Posted on March 10, 2021 Posted in Java Tagged with string split

Java String class has the method split() to split a string around matches of a given regular expression. java.lang.String: public String[] split(String regex) Parameters: regex – the delimiting regular expression Returns: the array of strings computed by splitting this string …

Split a String in Java Read more »

Google Maps with Polygon and Marker

By theoryapp Posted on March 10, 2021 Posted in Web Tagged with google maps

Google Maps API allows drawing polygons on maps. This demo shows how to build a map with a polygon and a marker altogether. In the HTML page, add a div holding the map. In JavaScript, first provide the marker location …

Google Maps with Polygon and Marker Read more »

Generate Slug URL in MySQL

By theoryapp Posted on March 9, 2021 Posted in MySQL, Web Tagged with seo, slug

A slug is a short name using human-readable keywords to identify a web page. For example, in the following URL the slug is new-york-art-school. This post shows how to automatically generate slug using SQL in MySQL. Suppose we have a …

Generate Slug URL in MySQL Read more »

Recent Posts

  • Customize Mediawiki To Remove Management Links
  • Install and Run PHP on MacOS
  • Load Apache Access Logs into MySQL
  • How to Stop Processes Run by “launchd” in Mac
  • Use PHP Imagick to Combine Multiple Images into One Image
  • Remove a Substring Based on Begining and Ending Tags in PHP
  • Trim Leading Zeros of Numbers in a String with PHP
  • How to Create a Table using jsPDF
  • How to Choose a Random Element from an Array
  • How to Print a List of Items in Rows and Columns in jsPDF

Categories

  • Algorithm
  • BigData
  • Combinatorics
  • DevTool
  • HowTo
  • Java
  • JavaScript
  • MySQL
  • PHP
  • Probability
  • SQL
  • Theory
  • Uncategorized
  • Web

Tags

abstract class abstract method ArrayList boolean function chernoff bound class CSS derandomization divide and conquer dom endswith expression FIFO fourier analysis generic type geocoding google maps html inheritance interface java java collection JavaScript lifo loop mysql object-oriented parser PHP polymorphism probability programming pseudorandom generator random random walk recursion regular expression rss seo sql startswith store locator string twitter xml

Archives

  • May 2024
  • March 2024
  • February 2024
  • January 2024
  • July 2023
  • May 2023
  • March 2023
  • May 2022
  • February 2022
  • December 2021
  • August 2021
  • May 2021
  • April 2021
  • March 2021
  • February 2021
  • January 2021
  • December 2020
  • November 2020
  • October 2020
  • September 2020
  • August 2020
  • July 2020
  • June 2020
  • February 2020
  • January 2020
  • December 2019

Meta

  • Log in
  • Entries feed
  • Comments feed
  • WordPress.org
© 2025 TheoryApp | Powered by Responsive Theme