adhocshare Blog

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pg_dump and pg_dumpall command helper (postgres)

  pg_dump pg_dump only dumps a single database. To backup global objects that are common to all databases in a cluster, such as roles and tablespaces, use pg_dumpall.Dumps can be output in script or archive file formats. Script dumps are plain-text files...

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Ambari REST Api

Ambari configuration over REST Delete user from Ambari Ambari configuration over REST API Need to login to ambari Access below URL,http://ambari-host:8080/api/v1/services/AMBARI/components/AMBARI_SERVER Delete user from Ambari Related posts: Adding compression codec to Hortonworks data platform Permanently add jars to hadoop Best...

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Candlestick patterns on stockfetcher.com

Source: http://www.stockfetcher.com/forums2/Indicators/Candlestick-Patterns/108408 Candlestick Patterns StockFetcher provides several pre-built candlestick patterns. The pre-built patterns simply use the “pattern is” phrase followed by the name of the pattern. Bullish Upside Tasuki Gap Bullish Side-by-Side White Lines Bullish Separating Lines Bullish Three Line Strike...

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stockfetcher.com filters

stockfetcher.com Power crossover Greedy Bottom finishing, ready for reversal Fast %K Reversal Double Bottom – complete and incomplete Official filter examples Official examples Official Indicators   Filter 1: Power crossover market is NASDAQ and MACD(12,26,9) Fast Line crossed above MACD(12,26,9)...

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Computing memory parameters for Namenode

Source: https://discuss.pivotal.io/hc/en-us/articles/203272527-Namenode-failed-while-loading-fsimage-with-GC-overhead-limit-exceeded Namenode failed while loading fsimage with GC overhead limit exceeded Problem During startup namenode failed to load fsimage into memory 2014-05-14 17:36:56,806 INFO org.apache.hadoop.hdfs.server.namenode.FSImage: Loading image file /data/hadoop/nn/dfs/name/current/fsimage_0000000000252211550 using no compression 2014-05-14 17:36:56,806 INFO org.apache.hadoop.hdfs.server.namenode.FSImage: Number of files =...

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stockfetcher.com filters (crappy filters)

Source: http://www.swing-trading-options.com/stockfetcher.html Comments: All the filters are resulting in a crap list Excerpts below… Scans for identifying stocks in a Trend – for finding stocks that you can use to sell credit spreads. To find stocks in a positive trend: –...

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Stock Indicators, Patterns and Strategies

Technical Indicators and Overlays (stockcharts.com) Technical Indicators are the often squiggly lines found above, below and on-top-of the price information on a technical chart. Indicators that use the same scale as prices are typically plotted on top of the price bars...

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So Many Stocks – So Little Time

Source: https://www.bivio.com/clubmm/file/Public/So_Many_Stocks_So_Little_Time_Stock_Screening_Handout.pdf Lynn’s Initial Cuts: Finviz for an initial search, based on the criteria below Navellier’s Portfolio Grader to limit my field to stocks with positive big institutional movement BigCharts to compare individual stocks to their industry and the S&P 500...