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MongoDB Many-to-Many Association
How would you do a many-to-many association with MongoDB?
4 Answers
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SQLite in Android How to update a specific row
I've been trying to update a specific row for a while now, and it seems that there are two ways to do this. From what I've read and tried, you can just use the:
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Automatically add newline at end of curl response body
...onse body for a curl request doesn't contain a trailing newline, I end up with this really annoying condition where the shell prompt is in the middle of the line, and escaping is messed up enough that when I put the last curl command on the screen, deleting characters from that curl command deletes ...
What can you do in MSIL that you cannot do in C# or VB.NET? [closed]
All code written in .NET languages compiles to MSIL, but are there specific tasks / operations that you can do only using MSIL directly?
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How do I write output in same place on the console?
I am new to python and am writing some scripts to automate downloading files from FTP servers, etc. I want to show the progress of the download, but I want it to stay in the same position, such as:
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Why do I get AttributeError: 'NoneType' object has no attribute 'something'?
...stead of an instance of whatever Class or Object you think you're working with, you've actually got None. That usually means that an assignment or function call up above failed or returned an unexpected result.
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Regex not operator
...ollowing (hence: lookahead) this doesn't (hence: negative) match this. But it doesn't actually consume the characters it matches (hence: zero-width).
There are actually 4 combinations of lookarounds with 2 axes:
lookbehind / lookahead : specifies if the characters before or after the point are co...
What are the “standard unambiguous date” formats for string-to-date conversion in R?
...havior. From ?as.Date:
format: A character string. If not specified, it will try
'"%Y-%m-%d"' then '"%Y/%m/%d"' on the first non-'NA' element,
and give an error if neither works.
as.Date("01 Jan 2000") yields an error because the format isn't one of the two listed abo...
Convert a list of data frames into one data frame
I have code that at one place ends up with a list of data frames which I really want to convert to a single big data frame.
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How to find server name of SQL Server Management Studio
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Open up SQL Server Configuration Manager (search for it in the Start menu). Click on SQL Server Services. The instance name of SQL Server is in parenthesis inline with SQL Server service. If it says MSSQLSERVER, then it's the default instance. To connect to it in Management St...