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Django rest framework, use different serializers in the same ModelViewSet
...
Override your get_serializer_class method. This method is used in your model mixins to retrieve the proper Serializer class.
Note that there is also a get_serializer method which returns an instance of the correct Serializer
class DualSeri...
Add a column to existing table and uniquely number them on MS SQL Server
...be of type IDENTITY (auto-increment), or you want to be specific about the order in which your rows are numbered, you can add a column of type INT NULL and then populate it like this. In my example, the new column is called MyNewColumn and the existing primary key column for the table is called MyP...
Type hinting a collection of a specified type
...ntainers.
In other words, now you can do:
from typing import List
def my_func(l: List[int]):
pass
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Can I change the checkbox size using CSS?
...box-shadow: 0 0 0.2em #3b88fd;
}
<input type="checkbox" name="checkbox_1" id="ee" checked />
<label for="ee">Checkbox small</label>
<br />
<input type="checkbox" name="checkbox_2" id="ff" />
<label for="ff">Checkbox small</label>
<hr />
...
Is there a way to detect if an image is blurry?
...ed image and takes the average of the 90% highest frequencies:
testFft[img_] := Table[
(
blurred = GaussianFilter[img, r];
fft = Fourier[ImageData[blurred]];
{w, h} = Dimensions[fft];
windowSize = Round[w/2.1];
Mean[Flatten[(Abs[
fft[[w/2 - windowSize ;; w/2 + windowSize,
...
How to handle anchor hash linking in AngularJS
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I use $location.hash(my_id); $anchorScroll; $location.hash(null). It prevents the reload and I don't have to manage the old variable.
– MFB
Jun 25 '15 at 5:11
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iReport not starting using JRE 8
...ice the jre-7u67-windows-x64.tar.gz you end up with a folder named jre1.7.0_67. Put that folder in the iReport-5.6.0 directory:
and then go into the etc folder and edit the file ireport.conf and add the following line into it:
For Windows
jdkhome=".\jre1.7.0_67"
For Linux
jdkhome="./jre1.7.0_67...
Why can I not push_back a unique_ptr into a vector?
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You need to move the unique_ptr:
vec.push_back(std::move(ptr2x));
unique_ptr guarantees that a single unique_ptr container has ownership of the held pointer. This means that you can't make copies of a unique_ptr (because then two unique_ptrs would ...
What's the false operator in C# good for?
...hings will get weird).
Note that you must implement the & operator in order for that expression to compile, since it's used if mFalse.false() returns false.
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Counting the Number of keywords in a dictionary in python
...oops through the data and pass the values to countoccurrences function
if __name__ == "__main__":
store = {}
list = ('a', 'a', 'b', 'c', 'c')
for data in list:
countoccurrences(store, data)
for k, v in store.iteritems():
print "Key " + k + " has occurred " + str(v) ...