I am coding with Groovy, however, I don\'t believe its a language specific set of questions. I actually have two questions
I have a simple HQL SELECT query. When the columns are not null, I\'m able to retrieve the records. But if one of the columns are null, I don\'t get that record that has a null column.
I have a column EntryDate in a 开发者_运维百科SQL Server database. How can I set a NULL value to fill it with today\'s date (server time) if value was not provided in a query?Disallow Nulls on the co
I have a MYSQL table with an ENUM field named \"offset\" and some other columns. The field is defined as:
I have a Entity class that has the ObjectX attribute: @OneToOne(fetch = FetchType.LAZY) @PrimaryKeyJoinColumn
Say I have the following model: class Person(models.Model): street_address = models.CharField(max_length=50, blank=True)
I\'m hav开发者_如何学运维ing problems writing an If statement because it\'s asking for the value of a cookie, but it\'s possible that the cookie could be null which breaks the page.
I am doing a join between two tables and want to select the columns based on whether they have a record or not. I\'m trying to avoid having multiple of the same field and am trying to condense them in
This code work great if there are no null values returned.But I noticed during testing that if any value is null then it throws and error and breaks the rest of the script.
I set the value of a hidden field #thimble on page load using server-side values. Then in JavaScript I want to act on that value only if it has been populated with some non-empty string.
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