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Import CSV to mysql table
...st, for finding the first row, and assigning them as column names.
EDIT-2
From MySQL docs on LOAD DATA syntax:
The IGNORE number LINES option can be used to ignore lines at the
start of the file. For example, you can use IGNORE 1 LINES to skip
over an initial header line containing colum...
What integer hash function are good that accepts an integer hash key?
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Knuth's multiplicative method:
hash(i)=i*2654435761 mod 2^32
In general, you should pick a multiplier that is in the order of your hash size (2^32 in the example) and has no common factors with it. This way the hash function covers all your hash space uniformly.
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How to map calculated properties with JPA and Hibernate
...cise answer but the above link should be helpful.
See also:
Section 5.1.22. Column and formula elements (Hibernate Core documentation)
Section 2.4.3.1. Formula (Hibernate Annotations documentation)
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How to call Makefile from another Makefile?
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kenorb
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answered Feb 5 '10 at 9:30
anonanon
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Why can't you modify the data returned by a Mongoose Query (ex: findById)
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2 Answers
2
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Calling static generic methods
...pe inference based on the target of the assignment, as per JLS section 15.12.2.8. To be explicit, you'd call something like:
Foo.<String>createFoo();
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Python Flask Intentional Empty Response
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172
You are responding to a request, your HTTP server must return something. The HTTP 'empty respons...
Can PHP cURL retrieve response headers AND body in a single request?
...entation comments: http://www.php.net/manual/en/function.curl-exec.php#80442
Code example:
$ch = curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HEADER, 1);
// ...
$response = curl_exec($ch);
// Then, after your curl_exec call:
$header_size = curl_getinfo($ch, CU...
NumPy or Pandas: Keeping array type as integer while having a NaN value
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This capability has been added to pandas (beginning with version 0.24):
https://pandas.pydata.org/pandas-docs/version/0.24/whatsnew/v0.24.0.html#optional-integer-na-support
At this point, it requires the use of extension dtype Int64 (capitalized), rather than the default dtype int64 (lowerc...
Is there a way to force ASP.NET Web API to return plain text?
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232
Hmmm... I don't think you need to create a custom formatter to make this work. Instead return ...