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World’s Smallest PC- Intel Vs AMD

         The size of the computers are getting small day by day. The technology partners and manufacturing partners are competing each other to deliver their best. Here we have Intel’s Next Unit of Computing (NUC) and Sapphire Edge VS8 which is powered by AMD APU. The Intel’s product comes with different configuration and the Sapphire Edge VS8… Read More »

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Raspberry Pi – A credit card sized computer for 25$

              Have you ever heard of a computer which is sized like a floppy disk? Of-course we already have Intel’s NUC, Sapphire’s VS8 etc. But are they really as small like a floppy disk? No, they are not.Here we have such a small computer which is  85.60mm x 56mm x 21mm in size… Read More »

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Elasticsearch – Use Script Filter/Conditon in Aggregation/Sub-Aggreagtion

Example 1 – REST: GET /INDEX/TYPE/_search { "size": 0, "aggs": { "FILTER_NAME": { "filter": { "script": { "script": "doc['field1'].value < doc['field2'].value" } } } } } Example 1 – Java API: SearchRequestBuilder searchRequestBuilder = esClient .prepareSearch("INDEX) .setTypes("TYPE") .setSize(0) .addAggregation( AggregationBuilders.filter("FILTER_NAME").filter(FilterBuilders.scriptFilter("doc['filed1'].value > doc['field2'].value"))); SearchResponse searchResponse = searchRequestBuilder.execute().actionGet(); Map<String, Aggregation> aggMap = searchResponse.getAggregations().asMap(); InternalFilter filter = (InternalFilter)… Read More »

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cannot change DocValues type from SORTED to SORTED_SET – DataStax Graph – Titan – Solr

Are you facing these errors??? cannot change docvalues type from sorted_set to sorted for field field_name cannot change docvalues type from sorted to sorted_set for field field_name No worries. We have the solution. First of all we need to know what DocValues means in Solr. You will find a lot of information in the internet. Now… Read More »

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WiSee – Hand gestures enable through wireless(WiFi) signals

            The digital world has become very much interactive. The way in which we interact with the electronic devices has changed a lot. It has made our lives even better. Below are some of the devices and how we interact with it. Voice command for controlling TV and computers Hand… Read More »

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