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Convert Pandas column containing NaNs to dtype `int`
I read data from a .csv file to a Pandas dataframe as below. For one of the columns, namely id , I want to specify the column type as int . The problem is the id series has missing/empty values.
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Overriding a Rails default_scope
... answered Dec 2 '09 at 16:50
Pär WieslanderPär Wieslander
26.1k55 gold badges4747 silver badges5050 bronze badges
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Python str vs unicode types
... control at the code-point level. For example you can do:
>>> 'àèìòù'
'\xc3\xa0\xc3\xa8\xc3\xac\xc3\xb2\xc3\xb9'
>>> print 'àèìòù'.replace('\xa8', '')
à�ìòù
What before was valid UTF-8, isn't anymore. Using a unicode string you cannot operate in such a way that t...
Replacing blank values (white space) with NaN in pandas
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If you are exporting the data from the CSV file it can be as simple as this :
df = pd.read_csv(file_csv, na_values=' ')
This will create the data frame as well as replace blank values as Na
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how to change any data type into a string in python
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What about unicode? Something like str(u'ä') will not work. However repr(u'ä') will work.
– Rouven B.
Oct 10 '16 at 9:23
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How can I fill out a Python string with spaces?
... Not deprecated any more in 3.3+
– Seppo Erviälä
Feb 16 '15 at 11:23
3
I like this comm...
How do you test a public/private DSA keypair?
...t the anatomy of the public key file.
– Salathiel Genèse
Sep 16 at 19:33
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access denied for load data infile in MySQL
...s code works for me:
File tempFile = File.createTempFile(tableName, ".csv");
FileUtils.copyInputStreamToFile(data, tempFile);
JdbcTemplate template = new JdbcTemplate(dataSource);
String path = tempFile.getAbsolutePath().replace('\\', '/');
int rows = template.update(MessageFor...
How to disable all div content
...red Nov 25 '16 at 8:15
Michael HächlerMichael Hächler
50144 silver badges77 bronze badges
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Redirect to an external URL from controller action in Spring MVC
... edited Oct 2 '18 at 6:35
buræquete
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answered Jul 31 '13 at 3:57
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