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How to add a margin to a table row [duplicate]
...e a table containing many rows. Some of these rows are class="highlight" and signify a row that needs to be styled differently and highlighted. What I'm trying to do is add some extra spacing before and after these rows so they appear slightly separated from the other rows.
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Server is already running in Rails
When I am starting rails server using rails s command it is showing A server is already running. Check C:/Sites/folder/Pids/Server.pids
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Java String split removed empty values
...le more details:
split(regex) internally returns result of split(regex, 0) and in documentation of this method you can find (emphasis mine)
The limit parameter controls the number of times the pattern is applied and therefore affects the length of the resulting array.
If the limit n is greater than...
Swift how to sort array of custom objects by property value
lets say we have a custom class named imageFile and this class contains two properties.
18 Answers
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Intercept page exit event
... page within my system, a user might decide to navigate to another website and in doing so could lose all the edits they have not saved.
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Why does Internet Explorer not send HTTP post body on Ajax call after failure?
...swer to this question, so I will provide my empirical data as a substitute and provide some ways to work around it. Maybe some MS insider will one day shed some light on this...
If HTTP Keep-Alive is disabled on the server, this issue goes away. In other words, your HTTP 1.1 server will respond to...
When should I use jQuery's document.ready function?
...ent is
ready.
Suppose you have placed your jQuery code in head section and trying to access a dom element (an anchor, an img etc), you will not be able to access it because html is interpreted from top to bottom and your html elements are not present when your jQuery code runs.
To overcome this...
Get nth character of a string in Swift programming language
...tion: Please see Leo Dabus' answer for a proper implementation for Swift 4 and Swift 5.
Swift 4 or later
The Substring type was introduced in Swift 4 to make substrings
faster and more efficient by sharing storage with the original string, so that's what the subscript functions should return.
Try...
How to delete duplicate rows in SQL Server?
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I like CTEs and ROW_NUMBER as the two combined allow us to see which rows are deleted (or updated), therefore just change the DELETE FROM CTE... to SELECT * FROM CTE:
WITH CTE AS(
SELECT [col1], [col2], [col3], [col4], [col5], [col6]...
Why is it important to override GetHashCode when Equals method is overridden?
...s equal, it is not necessary for them to be the same; this is a collision, and Equals will be called to see if it is a real equality or not.
In this case, it looks like "return FooId;" is a suitable GetHashCode() implementation. If you are testing multiple properties, it is common to combine them ...