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Cutting the videos based on start and end time using ffmpeg

I tried to cut the video using the start and end time of the video by using the following command 9 Answers ...
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private[this] vs private

In Scala I see such feature as object-private variable. From my not very rich Java background I learnt to close everything (make it private) and open (provide accessors) if necessary. Scala introduces even more strict access modifier. Should I always use it by default? Or should I use it only in som...
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How to do an update + join in PostgreSQL?

Basically, I want to do this: 9 Answers 9 ...
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Unable to cast object of type 'System.DBNull' to type 'System.String`

I got the above error in my app. Here is the original code 11 Answers 11 ...
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How do I format a number with commas in T-SQL?

I'm running some administrative queries and compiling results from sp_spaceused in SQL Server 2008 to look at data/index space ratios of some tables in my database. Of course I am getting all sorts of large numbers in the results and my eyes are starting to gloss over. It would be really conveni...
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How to Concatenate Numbers and Strings to Format Numbers in T-SQL?

I have the following function 10 Answers 10 ...
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How to kill a child process after a given timeout in Bash?

I have a bash script that launches a child process that crashes (actually, hangs) from time to time and with no apparent reason (closed source, so there isn't much I can do about it). As a result, I would like to be able to launch this process for a given amount of time, and kill it if it did not re...
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Cannot pass null argument when using type hinting

The following code: 4 Answers 4 ...
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Is it better to call ToList() or ToArray() in LINQ queries?

I often run into the case where I want to eval a query right where I declare it. This is usually because I need to iterate over it multiple times and it is expensive to compute. For example: ...
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How to initialize const member variable in a class?

When I am trying to initialize the const member variable t with 100. But it's giving me the following error: 11 Answers ...