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Mastering Development

Counting “1” in multiple columns in a data-frame

Given the following data frame: fruit <- c("Orange", "Apple", "Apple", "Orange", "Banana", "Orange", "Banana", "Pear", "Banana", "Pear", "Pear", "Apple") col2 <- c("0", "0", "1", "0", "0", "0", "1", "0", "0", "0", "0", "1") col3 <- c("1", "1", "0", "0", "0", "1", "1", "0", "0", "0", "0", "0") col4 <- c("0", "1", "0", "1", "1", "1", […]

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Mastering Development

MSSQL database stuck in ‘restoring” state with PHP

I can execute the following in SSMS and the database will be fully backed up and restored under a new DB name: USE [master]; BACKUP DATABASE PW_TEMPLATE TO DISK=N’C:\PW_TEMPLATE\PW_TEMPLATE_full.bak’ USE [master]; RESTORE DATABASE PW_TEST_0001 FROM DISK = N’C:\PW_TEMPLATE\PW_TEMPLATE_full.bak’ WITH REPLACE, RECOVERY, MOVE ‘PW_TEMPLATE’ TO ‘H:\DATA\PW_TEST_0001.mdf’, MOVE ‘PW_TEMPLATE_log’ TO ‘I:\LOGS\PW_TEST_0001_log.ldf’ If I use the same from […]

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Mastering Development

Why does API Gateway’s Method Request not block this test input?

I have an API Gateway with OPTIONS and POST methods, where the POST method has the following Method Request Model (with a content type of "application/json"): { "$schema" : "http://json-schema.org/draft-04/schema#", "title" : "Basic User Request Schema", "type" : "object", "properties" : { "email" : { "type" : "string" }, "id" : { "type" : "string" […]

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Mastering Development

thread_group with boost:asio

I have written of small program which has following purpose it reads directory and each path need to assign for each thread which determine size of direcotry /home/dir1 /home/dir2 I am seeing it more slow than single thread application. Any mistake. #include<boost/tokenizer.hpp> #include<boost/asio.hpp> #include <boost/bind/bind.hpp> #include "scan_dir.h" //local file using namespace std::chrono; /* * Process […]

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Ask Geographic Information System (GIS)

Modify expression so it can act in a group of points with a value in common

Can somebody help me to modify this expression so it can act in a group of points with a value in common? As it is right now it numbers the points extracted from a line based on the northernmost point clockwise, but it takes all the points from the layer. I wished it did something […]

Categories
Ask Geographic Information System (GIS)

Modify expression so it can act in a group of points with a value in common

Can somebody help me to modify this expression so it can act in a group of points with a value in common? As it is right now it numbers the points extracted from a line based on the northernmost point clockwise, but it takes all the points from the layer. I wished it did something […]

Categories
Ask Geographic Information System (GIS)

Modify expression so it can act in a group of points with a value in common

Can somebody help me to modify this expression so it can act in a group of points with a value in common? As it is right now it numbers the points extracted from a line based on the northernmost point clockwise, but it takes all the points from the layer. I wished it did something […]

Categories
Mastering Development

Joining dataframes without ON clause but with multiple column condition and populate flag in pyspark

I am trying to join 2 dataframes and retrieve ID from A by matching with some column conditions. Basically I have to fill ‘0’ s in B with ID’s from A and I don’t have an ON clause for this, so I may need a cross join, but the thing is I would need only […]

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Ask Geographic Information System (GIS)

Export Error in Google Earth Engine?

The below code exports monthly data. However while it is saving in Google Drive, returns this error: Error: Expected a homogeneous image collection, but an image with incompatible bands was encountered: First image type: 1 bands ([1993030100]). Current image type: 1 bands ([1993030200]). Image ID: null Some bands might require explicit casts. code link: https://code.earthengine.google.com/a3062bac73d72ca444106081ff99ecca […]

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Mastering Development

MYSQL Join Statement (aggregate issue?)

I am trying to pull data from one table and join in to another. I think I am getting such a skewed number for incomingLn and pCost because of my aggregates but I am not sure how to fix it. select concat(a.designid,a.productid) as autoKey, a.plantname, a.salesorder, a.so_line, a.designid, a.productid, ’30’, CURDATE(), CURDATE() + INTERVAL 14 […]