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Junit: splitting integration test and Unit tests
I've inherited a load of Junit test, but these tests (apart from most not working) are a mixture of actual unit test and integration tests (requiring external systems, db etc).
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Multiple Inheritance in C#
...tract base class that implements both IFirst and ISecond, and then inherit from just that base.
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Rails migration for has_and_belongs_to_many join table
...p columns. Here is a better example of a has_and_belongs_to_many migration from the link you gave. I'm looking for a way to do it from the command line with script/generate migration ...
– ma11hew28
Dec 7 '10 at 20:44
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How to check if a file is a valid image file?
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I have just found the builtin imghdr module. From python documentation:
The imghdr module determines the type
of image contained in a file or byte
stream.
This is how it works:
>>> import imghdr
>>> imghdr.what('/tmp/bass')
'gif'
Using a m...
CSS transition effect makes image blurry / moves image 1px, in Chrome?
...0 update
If you have issues with blurry images, be sure to check answers from below as well, especially the image-rendering CSS property.
For best practice accessibility and SEO wise you could replace the background image with an <img> tag using object-fit CSS property.
Original answer
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Get form data in ReactJS
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There are a few ways to do this:
1) Get values from array of form elements by index
handleSubmit = (event) => {
event.preventDefault();
console.log(event.target[0].value)
}
2) Using name attribute in html
handleSubmit = (event) => {
event.preventDefault();...
Is there a pattern for initializing objects created via a DI container
...n up too much of your implementation's state (i.e. what is to stop someone from re-calling initialize or the setter?).
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Best way to iterate through a Perl array
..._ is aliased to the element in #1, but #2 and #3 actually copy the scalars from the array.)
#5 might be similar.
In terms memory usage: They're all the same except for #5.
for (@a) is special-cased to avoid flattening the array. The loop iterates over the indexes of the array.
In terms of readabil...
What does it mean: The serializable class does not declare a static final serialVersionUID field? [d
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From the javadoc:
The serialization runtime associates with each serializable class a version number, called a serialVersionUID, which is used during deserialization to verify that the sender and receiver of a serialized ...
Python - List of unique dictionaries
... @John La Rooy - how could one use the same to remove dictionarys from a list based on multiple attributes , tried this but seems not to work > {v['flight']['lon']['lat']: v for v in stream}.values()
– Jorge Vidinha
Sep 13 '15 at 10:04
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