Author Archives: Raghavendar T S

1.  API/Database Column/Field/Variable Name Collection
2.  Database Field/Column Naming Convention – Camel Case vs Snake Case
3.  Logback Configuration in Apache Flink
4.  Apollo GraphQL – Private (Authentication)/Public API using Schema Directives/Annotation
5.  Google Sheets – QUERY with WHERE condition from another Sheet/Tab
6.  Solved – mount: wrong fs type, bad option, bad superblock on Linux (AWS EBS EC2)
7.  Docker RabbitMQ – Default Username/Password Environment Variable Not Working – Solved
8.  Docker DataStax DSE Volume Mount Not Working – Solved
9.  Remove/Delete/Drop a Property Value from a List/Array – Gremlin Query
10.  Elasticsearch Geo-Shape Slow Indexing Performance – Solved
11.  Moto E/Moto G/Moto X – Bluetooth not working/switching on – Solved
12.  Location – Latitude/Longitude (Lat/Lon) to Degrees Minutes Seconds (DMS) Conversion – JavaScript
13.  cannot change DocValues type from SORTED to SORTED_SET – DataStax Graph – Titan – Solr
14.  Chrome Elasticsearch Sense Not Working – Solved
15.  Access Tomcat Server URL from Smartphone/Mobile/Tablet
16.  Update Multiple Properties of Vertex – Gremlin Query – Titan
17.  Update Vertex If Exist – Gremlin Query – Titan
18.  Gremlin Query Basic Tutorials
19.  Check If Vertex/Edge Exist – Gremlin Query – Titan
20.  Update Properties of Multiple Edges – Gremlin Query – Titan
21.  Update Properties of Multiple Vertices – Gremlin Query – Titan
22.  Create Vertex If Does Not Exist – Gremlin Query – Titan
23.  Query/Access Root Level Properties and Nested Properties of Vertex in Single Query – Gremlin Query – Titan
24.  Java – Break Filter Chain and Return Custom POJO Response from Servlet Filter
25.  Gremlin Query Language – Create Vertex/Node and Edge/Relationship
26.  Neo4j Query Tutorial – MATCH and MERGE
27.  Elasticsearch – Date/Time(String) Add/Subtract Duration – Days,Months,Years,Hours,Minutes,Seconds
28.  Java – Read/Parse Command Line Arguments/Options
29.  Java JConsole – Local Process List Empty – Solved
30.  Elasticsearch – Compare/ScriptFilter/Condition on Two Fields using Script Filter – REST Query + Java API
31.  Elasticsearch – Use Script Filter/Conditon in Aggregation/Sub-Aggreagtion
32.  Graphic Card, Display, Gaming – General Guide Links
33.  ElasticTab – Elasticsearch to Excel Report
34.  Elasticsearch and Logstash – General Guide Links
35.  Enable CORS to Send Cross Domain Request to Elasticsearch using AJAX
36.  REGEX (Regular Expression) to Remove/Strip HTML Tags in PERL
37.  Remove X-Powered-By Headers (Servlet/2.5 JSP/2.1) in WebLogic (Oracle) Server
38.  Spark Error – java.io.IOException: Could not locate executable null\bin\winutils.exe in the Hadoop binaries
39.  Elasticsearch Plugin To Generate (Save and E-Mail) Excel Reports
40.  Execute Multiple Search Query in Elasticsearch
41.  CURL – Send (POST/PUT) Payload Data using File
42.  Append/Write CRON Output to Log File in Linux (Unix)
43.  Data Structures in C – Linked List (20 Programs)
44.  Stack Implementation using Linked List – C Program
45.  Linked List in C- Print Linked List in Reverse Order using Recursion
46.  Linked List in C – Split a Linked List into 2 Linked List
47.  Linked List in C – Split a Linked List into 2 Separate Linked List
48.  Linked List in C – Merge two Linked List into separate single Linked List
49.  Linked List in C- Merge two Linked List into Single Linked List – Efficient
50.  Linked List in C- Reversing a Linked List