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SQL RANK() versus ROW_NUMBER()
I'm confused about the differences between these. Running the following SQL gets me two idential result sets. Can someone please explain the differences?
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How to get CRON to call in the correct PATHs
... uses the PATHs set in bashrc but when I use cron all the PATHs are not used from bashrc. Is there a file I can enter the PATHs into for cron like bashrc or a way to call the PATHs from bashrc?
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Default parameter for CancellationToken
I have some async code that I would like to add a CancellationToken to. However, there are many implementations where this is not needed so I would like to have a default parameter - perhaps CancellationToken.None . However,
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How to force LINQ Sum() to return 0 while source collection is empty
Basically when I do the following query, if no leads were matched the following query throws an exception. In that case I'd prefer to have the sum equalize 0 rather than an exception being thrown.
Would this be possible in the query itself - I mean rather than storing the query and checking query.A...
How do I turn a String into a InputStreamReader in java?
How can I transform a String value into an InputStreamReader ?
6 Answers
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Getting error while sending email through Gmail SMTP - “Please log in via your web browser and then
I'm having problems with gmail smtp server. I already read many posts here in StackOverflow about that subject.
9 Answers
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Best practices for exception management in Java or C# [closed]
I'm stuck deciding how to handle exceptions in my application.
15 Answers
15
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Converting Long to Date in Java returns 1970
...h long values (for example: 1220227200, 1220832000, 1221436800...) which I downloaded from web service. I must convert it to Dates. Unfortunately this way, for example:
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How do I globally configure RSpec to keep the '--color' and '--format specdoc' options turned on
How do I set global configuration for RSpec in Ubuntu.
6 Answers
6
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How can I delete a newline if it is the last character in a file?
I have some files that I'd like to delete the last newline if it is the last character in a file. od -c shows me that the command I run does write the file with a trailing new line:
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