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Counting null and non-null values in a single query
... agree, COUNT(a) is a useful comment to add, but this does throw a warning/error depending on your stack and might warrant a comment in code. I would prefer the SUM method.
– Richard
Mar 29 '16 at 9:41
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Command-line svn for Windows?
... Be careful of the CollabNet registration form. If the submitted form has errors (which it will because of how it is designed), it will recheck the newsletters checkbox.
– Jeff Clemens
Jul 17 '13 at 16:26
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SQL DROP TABLE foreign key constraint
...not drop object 'a' because it is referenced by a FOREIGN KEY constraint." error.
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How to convert CSV file to multiline JSON?
.... However that took some effort. I am new to python so with some trial and error I got it to work. The code is a copy of SingleNegationElimination with the extra handling of utf-8. I tried to do it with https://docs.python.org/2.7/library/csv.html but in the end gave up. The below code worked.
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Convert columns to string in Pandas
...dard.
– Andy Hayden
Jul 10 '19 at 6:05
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IsNothing versus Is Nothing
... something
End If
Will not compile, instead the compiler will raise the error:
'Is' operator does not accept operands of type 'Integer'.
Operands must be reference or nullable types.
IsNothing(object) is actually part of part of the Microsoft.VisualBasic.dll.
This is undesirable as you hav...
POST request via RestTemplate in JSON
...ing 3.0, an easy way to avoid the org.springframework.web.client.HttpClientErrorException: 415 Unsupported Media Type exception, is to include the jackson jar files in your classpath, and use mvc:annotation-driven config element. As specified here.
I was pulling my hair out trying to figure out why...
TypeScript sorting an array
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The error is completely correct.
As it's trying to tell you, .sort() takes a function that returns number, not boolean.
You need to return negative if the first item is smaller; positive if it it's larger, or zero if they're eq...
How to delete all data from solr and hbase
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It doesn't work. I get: HTTP ERROR 404 Problem accessing /solr/update. Reason: Not Found from solr...
– Stepan Yakovenko
Dec 1 '16 at 6:45
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Spring Data: “delete by” is supported?
...you provide at service level, your whole function will be rolllback on any error.
– P Satish Patro
Nov 6 '19 at 2:07
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