Thymeleaf’s 3 fragment insertion does not work… here is a solution to the problem. Thymeleaf’s 3 fragment insertion does not work I want to use Thymeleaf as a templating engine in my Java web application. I also want to build the frontend with Bootstrap 4. I’m using Intellij IDEA 2017.2.5 Ultimate, Spring Boot 1.5.7, Tomcat … Read more
Long-running Openshift Cron… here is a solution to the problem. Long-running Openshift Cron I have a long-running daily cron on OpenShift. It takes several hours to run. I added nohup and ran it in the background. It still seems to time out at the default of 5 minutes (this time it works fine). I didn’t … Read more
Use Java.IO to merge all .txt files in a folder… here is a solution to the problem. Use Java.IO to merge all .txt files in a folder I’m trying to merge all .txt files into a specific folder and create one output.txt file. I’m new to Java and learning Java.IO packages. Here is my program … Read more
Hadoop – Analysis Log Files (Java)… here is a solution to the problem. Hadoop – Analysis Log Files (Java) The log file looks like this: Time stamp,activity,-,User,-,id,-,data — 2013-01-08T16:21:35.561+0100,reminder,-,User1234,-,131235467,-,- 2013-01-02T15:57:24.024+0100,order,-,User1234,-,-,-,{items:[{“prd”:”131235467″,”count”: 5, “amount”: 11.6},{“prd”: “13123545”, “count”: 1, “amount”: 55.99}], oid: 5556} 2013-01-08T16:21:35.561+0100,login,-,User45687,-,143435467,-,- 2013-01-08T16:21:35.561+0100,reminder,-,User45687,-,143435467,-,- 2013-01-08T16:21:35.561+0100,order,-,User45687,-,-,-,{items:[{“prd”:”1315467″,”count”: 5, “amount”: 11.6},{“prd”: “133545”, “count”: 1, “amount”: 55.99}], oid: 5556} … … … Read more
Unable to access counters in MapReduce’s reducer class… here is a solution to the problem. Unable to access counters in MapReduce’s reducer class I incremented the counter of the mapper by public static class TokenizerMapper extends Mapper<Object, Text, Text, FloatWritable>{ public static enum MyCounters { TOTAL }; context.getCounter(MyCounters.TOTAL).increment(1); . I’m trying to get the value … Read more
Lucerne: Search with partial words… here is a solution to the problem. Lucerne: Search with partial words I’m working on integrating Lucene into our app. Lucene is currently working, for example when I search for “upload” there is some text called “upload” in the document, then it works, but when I search for “Uplo” it … Read more
Action Event.getSource: how to cast properly the source Object… here is a solution to the problem. Action Event.getSource: how to cast properly the source Object I’m afraid I might make a newbie mistake here. I have ActionListener below, but I get the warning Unchecked cast: ‘java.lang.Object’ to ‘javax.swing.JComboBox<java.lang.String>’ stated in if. How do I fix … Read more
Django queryset: Need help in optimizing this set of queries… here is a solution to the problem. Django queryset: Need help in optimizing this set of queries I’m trying to filter out some common label combinations from the list of education issue records. For this example, I just look at the 2-tag example (tag-tag), I … Read more
How to find the longest match in python of a string containing the word in focus… here is a solution to the problem. How to find the longest match in python of a string containing the word in focus Python/programming newbie, so not quite sure how to express this…. What I want to do is … Read more
DP command problem in Intermec printers… here is a solution to the problem. DP command problem in Intermec printers I’m using the Intermec protocol to issue print commands to the printer. It contains text and barcodes. For 12 digits, printing works fine. However, when I try to print a number between 13 and 18, it … Read more
Protects applications from decompilation by hiding manifests and converting code to Unicode characters… here is a solution to the problem. Protects applications from decompilation by hiding manifests and converting code to Unicode characters I want to make my app protective by using obfuscation or any good technique like i am showing. I have gone through … Read more
Is my code too repetitive?… here is a solution to the problem. Is my code too repetitive? I was developing my word adventure game and wondered if there was an easier way to write duplicate code blocks, such as the one I had below. In this block, the user is presented with N, E, S, … Read more