Serg

Serg has asked 4 questions and find answers to 37 problems.

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Serg questions

VS2019 Winforms SDK-style project, can't add a new form
Android listSelector still partly visible when the item is scrolled out
.Net DownloadFileTaskAsync robust WPF code

Serg answers

How to check if a set rows is covering the whole time range
Count where value is 1
SQL sum data between 2 dates in one column
How to avoid function repetition in SELECT, GROUP BY, and ORDER BY in SQL
How to dynamically pass in a date_or_time_part for DateDiff?
Put many columns in group by clause in Oracle SQL
How Do I Modify First Digit of Attribute in XML with SQL?
SQL full join with conditions on tables
Join two tables with no relation postgres?
Generate Series from Rows in PostgreSQL