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What is the recommended way to delete a large number of items from DynamoDB?
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This approach takes quite a bit of time to delete and recreate (when needed) the table, making it unavailable during the whole time. The question clearly states removing user data, which would be impractical spliting into separate, per-user tables.
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Add new row to dataframe, at specific row-index, not appended?
...1 1 6 11 16
2 2 7 12 17
3 1 2 3 4
4 3 8 13 18
5 4 9 14 19
6 5 10 15 20
If speed is less important than clarity, then @Simon's solution works well:
existingDF <- rbind(existingDF[1:r,],newrow,existingDF[-(1:r),])
> existingDF
V1 V2 V3 V4
1 1 6 11 16
2 2 7 12 17
3 3 8...
Android read text raw resource file
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nbro
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answered Nov 3 '10 at 14:08
weekensweeken...
how to change namespace of entire project?
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10 Answers
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What are the big differences between TFVC (TFS Version Control) and Git for source control when usin
...stupid decisions on a git repository.
A very cool add-on for Git users on Windows is PoSHGit. it provides command autocompletion on the Powershell commandline.
Have you experienced in the VS 2013 GUI for Git? Is that enough to support basic branching/merging without the command line interface?
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Getting the last element of a split string array
...by changing it.
– slashwhatever
Apr 10 '12 at 15:40
54
@Jangla: That's not a problem, as the arra...
Executing command line programs from within python [duplicate]
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dF.dF.
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How to test if a dictionary contains a specific key? [duplicate]
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cobbalcobbal
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how to make a jquery “$.post” request synchronous [duplicate]
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Jason McCrearyJason McCreary
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How to fix apt-get: command not found on AWS EC2? [closed]
...t should be something like
AMI: ubuntu/images/ebs/ubuntu-precise-12.04-amd64-server-20130411.1
hope it helps
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