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local_offer entity-framework local_offer asp.net core local_offer Azure local_offer C#
In SQL Server or some other relational databases, it is a very common requirement to create covering index with columns included in index pages beside the index key columns. With Entity Framework Core, you can also easily generate covering indexes using purely C# code. Scenario For ...
"Welcome to Kontext" Email Notifications
From 2020-06-27, Kontext will send out one "Welcome to Kontext!" email notifications to users for the following scenarios: when users register as a local user successfully and email is activated. when the first time users log in with Google and Microsoft accounts to register as...
local_offer oauth local_offer kontext
From release 0.7.4, Kontext users can now easily log in/sign up with Google or Microsoft accounts. Log in with Google or Microsoft accounts To log in using your Google or Microsoft accounts, simply click Log in button on the top navigation bar. ...
Sign-in with Google Error - {"error": "invalid_client", "error_description": "Unauthorized" }
local_offer asp.net core local_offer asp.net core 3
Sign-in with social accounts like Google, Microsoft, Twitter and Facebook accounts are very commonly used in websites to allow website users to logon easily without registering an separate account. Issue summary During the implementation of Kontext Google sign-in function, I encoun...
local_offer HTML local_offer Javascript local_offer bootstrap
On Kontext, a full width mega dropdown menu is implemented using Bootstrap 4. If you'd like to implement similar menus, please follow these steps. Environment The following code snippets work with Bootstrap 4.4.1. It should also work with other 4.x versions but I didn't test i...
local_offer teradata local_offer python
Pandas is commonly used by Python users to perform data operations. In many scenarios, the results need to be saved to a storage like Teradata. This article shows you how to do that easily using JayDeBeApi or ...
Python: Load / Read Multiline CSV File
CSV is a common data format used in many applications. It's also a common task for data workers to read and parse CSV and then save it into another storage such as RDBMS (Teradata, SQL Server, MySQL). In my previous article ...
Truncate table in Teradata
local_offer teradata local_offer SQL
In SQL Server, we can use TRUNCATE statement to clear all the records in a table and it usually performs better compared with DELETE statements as no transaction log for each individual row deletion. The syntax looks like the following: TRUNCATE TABLE { database_name.schema_name.tab...
local_offer teradata local_offer python local_offer Java
Python JayDeBeApi module allows you to connect from Python to Teradata databases using Java JDBC drivers. In article Connect to Teradata database through Python , I showed ho...
local_offer hadoop local_offer hive local_offer Java
When I was configuring Hive 3.0.0 in Hadoop 3.2.1 environment, I encountered the following error: Exception in thread "main" java.lang.NoSuchMethodError: com.google.common.base.Preconditions.checkArgument(ZLjava/lang/String;Ljava/lang/Object;)V Ro...
