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Mastering Development

Group by and update value based on another column using python

I have a data frame with below columns, using which need to create new columns by grouping Name. Status should be updated as active to entire group if it is active for any one St. data = {‘Name’:[‘Tom’, ‘Tom’, ‘krish’, ‘jack’,’jack’,’Nam’,’sue’], ‘St’:[‘S-123’, ‘S-290’, ‘S-123’, ‘S-147′,’S-98′,’S-123′,’S-38’], ‘Status’:[‘Inactive’,’active’,’active’,’inactive’,’active’,’Inactive’,’Inactive’]} df = pd.DataFrame(data) The desired output is Name St […]

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Database Development

CASE Statement returning unpredictable results

First time using Postgresql and building a query with a CASE statement. I am trying to end up with a collection of data whereby one of the columns in the data (status) qualifies the row based on conditions. I have 3 tables (in a Posqtgresql DB) as follows: Table devices: id serial_number retired last_reported_utc_at other_data […]

Categories
Database Development

CASE Statement returning unpredictable results

First time using Postgresql and building a query with a CASE statement. I am trying to end up with a collection of data whereby one of the columns in the data (status) qualifies the row based on conditions. I have 3 tables (in a Posqtgresql DB) as follows: Table devices: id serial_number retired last_reported_utc_at other_data […]

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Cryptocurrency Ethereum Mastering Development

Error at calling the memory function

I am using an remix ide for the smart contract development, at the time of compilation of the below code I am facing the error of expected primary expression. Could anyone help me out with this regards. // SPDX-License-Identifier: GPL-3.0 pragma solidity ^0.7.4; contract owned { address owner; function owned() public { owner = msg.sender; […]

Categories
Cryptocurrency Ethereum Mastering Development

Error at calling the memory function

I am using an remix ide for the smart contract development, at the time of compilation of the below code I am facing the error of expected primary expression. Could anyone help me out with this regards. // SPDX-License-Identifier: GPL-3.0 pragma solidity ^0.7.4; contract owned { address owner; function owned() public { owner = msg.sender; […]

Categories
Database Development

How to exclude data if another column is null?

This SQL query returns a column called "organisation_names" however the data is coming from a column called organisation_users and I would like to exclude "organisation_names" if… organisation_users.delete_at === null otherwise return the column Considering the SQL query below, got any ideas? I was considering adding column: GROUP_CONCAT(CONCAT(organisation_users.deleted_at)) as organisation_users_deleted_at Then excluding it on the query […]

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Mastering Development

List mapping of two different beans using MapStruct

How can I do the bean mapping using MapStruct for the below scenario. The entitlements property in both the classes is another bean with their own enum values. @Mappings({ @Mapping(target = "email", source = "entity.email"), @Mapping(target = "displayName", source = "entity.displayName"), @Mapping(target = "entitlements", source = "entity.entitlements") }) UserRequest userBeanToUserRequest(UserBean entity); class UserRequest { private […]

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Mastering Development

SEQUELIZE: belongsTo called with something that’s not a subclass of Sequelize.Model

I’m newbie with sequelize and I’m trying to assiacite two tables. Users and Projects. I have defined a model for each one called UserModel and ProjectModel and when I try to associate projects with user I’ve got this error: belongsTo called with something that’s not a subclass of Sequelize.Model These are the files where I […]

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Database Development

How to Get All Server Side Traces in SqlServer from SSMS, stop it from SSMS and delete the log files

How to Get All Server Side Traces in SqlServer from SSMS(Active,Inactive), stop it from SSMS and delete the log files. I need all traces saving into file as well as table. I tried SELECT * FROM fn_trace_getinfo(DEFAULT). Some times few parameters are NULL. What does it mean ?

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Database Development

How to Get All Server Side Traces in SqlServer from SSMS, stop it from SSMS and delete the log files

How to Get All Server Side Traces in SqlServer from SSMS(Active,Inactive), stop it from SSMS and delete the log files. I need all traces saving into file as well as table. I tried SELECT * FROM fn_trace_getinfo(DEFAULT). Some times few parameters are NULL. What does it mean ?