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How do we count rows using older versions of Hibernate (~2009)?
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For older versions of Hibernate (<5.2):
Assuming the class name is Book:
return (Number) session.createCriteria("Book")
.setProjection(Projections.rowCount())
.uniqueResult();
It is at least a Number, most likely a Long.
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How can I check if character in a string is a letter? (Python)
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You can use str.isalpha().
For example:
s = 'a123b'
for char in s:
print(char, char.isalpha())
Output:
a True
1 False
2 False
3 False
b True
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Django Rest Framework File Upload
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# do some stuff with uploaded file
return Response(status=204)
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Apply function to all elements of collection through LINQ [duplicate]
...hat, you can write things like:
people.Where(person => person.Age < 21)
.ForEach(person => person.EjectFromBar());
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How does MongoDB sort records when no sort order is specified?
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2 Answers
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Best practices for circular shift (rotate) operations in C++
...d it to rotate by the width of the type (using fixed-width types like uint32_t).
#include <stdint.h> // for uint32_t
#include <limits.h> // for CHAR_BIT
// #define NDEBUG
#include <assert.h>
static inline uint32_t rotl32 (uint32_t n, unsigned int c)
{
const unsigned int mas...
How to make a valid Windows filename from an arbitrary string?
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edited Oct 2 '12 at 15:16
Gabber
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TypeError: 'str' does not support the buffer interface
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296
If you use Python3x then string is not the same type as for Python 2.x, you must cast it to by...
Where is my .vimrc file?
...15
alex
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answered Jun 6 '12 at 20:11
AlGAlG
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