How we can crawl website contents by stormcrawler
Java Programming Forum | Learn Java Programming
by javastuden
3y ago
Hi I have a task to use stormcrawler for crawling a list of web urls. Gone through the Getting Started page in Code: http://stormcrawler.net/getting-started/ . Till the You can run the topology in local mode I have done. run the jar file with apache-storm-1.2.3, (unable to execute with windows cmd, so I used pythonscript) the command I executed is Code: C:\Users\Documents\apache-storm-1.2.3\apache-storm-1.2.3\bin>python storm.py jar C:\Users\Documents\ZZZCrawler\16-6-2021\stormcrawler\target\stormcrawler-1.0-SNAPSHOT.jar com.mycompany.crawler.CrawlTopology -conf C:\Users\Documents\ZZZ ..read more
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Jframe hashmap image (rectangle) animation problems
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by natdizzle
4y ago
i am trying to move rectangles acros the screen. i have a swing timer ading rectangles to the list and i am trying to iterate in my paint method. my problem(s) are ilegalstateexception at my remove method or i tried removing with a key using list.remove(rec); but it is not removing as you can see if you run the program. has anything changed in java since five years ago? i know paintComponent does not work anymore or whatever. Code: package test; // GCS Exercise 10.1 Solution: DrawPanel.java // Program randomly draws shapes. import java.awt.*; import java.awt.event.*; import java.util.ArrayLi ..read more
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How can you escape a String in order to make it reg exp parseable?
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by Albretch M�ller
4y ago
Use case: Say, that you are programatically generating a bunch of files for which you use as prefix the file's name, because you need a way to know which generated files relates to which source file (which you would do then with a reg exp), but, for example, on a wikipedia entry such as: Terreur_(R�volution_fran�aise) apparently the "(" and ")" and also the French characters �, �, seem to be problematic while running a reg exp in java Algorithm is working fine with all other cases. There is a way to escape html mark up in urls. Is there a similar way to espace strings intended to b ..read more
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Need to hijack JMenu's display of its items
Java Programming Forum | Learn Java Programming
by MGeorge
4y ago
I have a Java/Swing application with a typical menu bar and I really need to be able to customize the menu items on the fly (as the menu is being displayed). Sounds like it should be simple but I cannot figure out how to preempt the normal menu functionality. Is there a hook in JMenu (or JMenuItem) that allows me to register a listener to make adjustments to the menu item? I took a quick look into extending the Swing classes but that looks like a nontrivial effort. Any advice will be appreciated ..read more
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