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How can I hide an HTML table row so that it takes up no space?

How can I hide an HTML table row <tr> so that it takes up no space? I have several <tr> 's set to style="display:none;" , but they still affect the size of the table and the table's border reflects the hidden rows. ...
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CSS Cell Margin

In my HTML document, I have a table with two columns and multiple rows. How can I increase the space in between the first and second column with css? I've tried applying "margin-right: 10px;" to each of the cells on the left hand side, but to no effect. ...
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Best way to check if a Data Table has a null value in it

what is the best way to check if a Data Table has a null value in it ? 6 Answers 6 ...
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Group by & count function in sqlalchemy

... is better to use func.count(): from sqlalchemy import func session.query(Table.column, func.count(Table.column)).group_by(Table.column).all() share | improve this answer | ...
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How to select the last record of a table in SQL?

This is a sample code to select all records from a table. Can someone show me how to select the last record of that table? ...
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Force drop mysql bypassing foreign key constraint

I'm trying to delete all tables from a database except one, and I end up having the following error: 6 Answers ...
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How to get last inserted id?

...PUT INSERTED.ID could generate problem in case of an active trigger on the table – armen Jan 22 '14 at 10:06 2 ...
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Changing the size of a column referenced by a schema-bound view in SQL Server

...SDN: SCHEMABINDING Binds the view to the schema of the underlying table or tables. When SCHEMABINDING is specified, the base table or tables cannot be modified in a way that would affect the view definition. The view definition itself must first be modified or dropped to remove ...
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Create a nonclustered non-unique index within the CREATE TABLE statement with SQL Server

...ossible to create a primary key or unique index within a SQL Server CREATE TABLE statement. Is it possible to create a non-unique index within a CREATE TABLE statement? ...
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Nullable Foreign Key bad practice?

Let's say you have a table Orders with a foreign key to a Customer Id. Now, suppose you want to add an Order without a Customer Id, (whether that should be possible is another question) you would have to make the foreign key NULL... Is that bad practice or would you rather work with a link table bet...