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How to count the number of set bits in a 32-bit integer?
...ou may need to adjust it to work for a particular language (e.g. using uint32_t for C++ and >>> in Java):
int numberOfSetBits(uint32_t i)
{
// Java: use int, and use >>> instead of >>
// C or C++: use uint32_t
i = i - ((i >> 1) & 0x55555555);
i =...
Length of an integer in Python
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341
If you want the length of an integer as in the number of digits in the integer, you can always...
Creating a new dictionary in Python
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edited Nov 8 '15 at 3:49
poolie
8,03611 gold badge3838 silver badges6666 bronze badges
answered De...
Concatenating two one-dimensional NumPy arrays
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388
The line should be:
numpy.concatenate([a,b])
The arrays you want to concatenate need to passe...
Sending images using Http Post
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answered May 30 '10 at 0:55
PiroPiro
2,44633 gold badges1515 silver badges1919 bronze badges
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Can I zip more than two lists together in Scala?
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36
I don't believe it's possible to generate a list of tuples of arbitrary size, but the transpose...
Responsive font size in CSS
I've created a site using the Zurb Foundation 3 grid. Each page has a large h1 :
30 Answers
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proper hibernate annotation for byte[]
I have an application using hibernate 3.1 and JPA annotations. It has a few objects with byte[] attributes (1k - 200k in size). It uses the JPA @Lob annotation, and hibernate 3.1 can read these just fine on all major databases -- it seems to hide the JDBC Blob vendor peculiarities (as it should do...
Loop through an array of strings in Bash?
...## declare an array variable
declare -a arr=("element1" "element2" "element3")
## now loop through the above array
for i in "${arr[@]}"
do
echo "$i"
# or do whatever with individual element of the array
done
# You can access them using echo "${arr[0]}", "${arr[1]}" also
Also works for mult...
How to add multiple objects to ManyToMany relationship at once in Django ?
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3 Answers
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