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How to deal with SettingWithCopyWarning in Pandas?
...for false positives is addressed in the docs on indexing, if you'd like to read further. You can safely disable this new warning with the following assignment.
import pandas as pd
pd.options.mode.chained_assignment = None # default='warn'
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How do I create an immutable Class?
...king on creating an immutable class.
I have marked all the properties as read-only.
6 Answers
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Iterating over each line of ls -l output
...anently:
(IFS='
'
for x in `ls -l $1`; do echo $x; done)
Or use while | read instead:
ls -l $1 | while read x; do echo $x; done
One more option, which runs the while/read at the same shell level:
while read x; do echo $x; done << EOF
$(ls -l $1)
EOF
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AWS MySQL RDS vs AWS DynamoDB [closed]
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You can read AWS explanation about it here.
In short, if you have mainly Lookup queries (and not Join queries), DynamoDB (and other NoSQL DB) is better. If you need to handle a lot of data, you will be limited when using MySQL (and ...
How to create a new java.io.File in memory?
... delete or create the file. But the File class does not provide methods to read and write the file contents.
To read and write from a file, you are using a Stream object, like FileInputStream or FileOutputStream. These streams can be created from a File object and then be used to read from and write...
How can I inject a property value into a Spring Bean which was configured using annotations?
...="org.springframework.beans.factory.config.PropertiesFactoryBean"> then read values from that into another bean using something like @Value("#{appProperties.databaseName}")
– Dónal
Apr 6 '11 at 20:50
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Command copy exited with code 4 when building - Visual Studio restart solves it
... and then when I build my solution here (with 7 projects in it) I get the dreaded 'Command copy exited with code 4' error, in Visual Studio 2010 Premium ed.
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How to make Entity Framework Data Context Readonly
...abase modification commands. Hence how can I make a data context or entity readonly.
2 Answers
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Java Equivalent of C# async/await?
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@rozar: No, not really. There are already multiple options for asynchrony - but RxJava doesn't change the language in the way that C# did. I have nothing against Rx, but it's not the same thing as async in C# 5.
– Jon Skeet
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Who is calling the Java Thread interrupt() method if I'm not?
I've read and re-read Java Concurrency in Practice, I've read several threads here on the subject, I've read the IBM article Dealing with InterruptedException and yet there's something I'm simply not grasping which I think can be broken down into two questions:
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