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Rails filtering array of objects by attribute value
So I perform a query to the db and I have a complete array of objects:
5 Answers
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@Override is not allowed when implementing interface method
I have the problem mentioned in the title. You could say that this thread duplicates another one: How do I turn off error validation for annotations in IntelliJ IDEA?
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When to choose mouseover() and hover() function?
What are the differences between jQuery .mouseover() and .hover() functions? If they are totally same why jQuery uses both?
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What happens if you static_cast invalid value to enum class?
Consider this C++11 code:
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Cost of exception handlers in Python
In another question , the accepted answer suggested replacing a (very cheap) if statement in Python code with a try/except block to improve performance.
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Why git keeps showing my changes when I switch branches (modified,added, deleted files) no matter if
...to git and I've been trying to understand why git keeps showing whatever I changed in one branch in another branch when I run git checkout to switch between branches First I tried not using git add and didn't work. However, I tried then using git add, but didn't fix the problem. I'm not using git co...
What is the difference between the hidden attribute (HTML5) and the display:none rule (CSS)?
HTML5 has a new global attribute, hidden , which can be used to hide content.
1 Answer
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How do I get the current Date/time in DD/MM/YYYY HH:MM format?
How can I get the current date and time in DD/MM/YYYY HH:MM format and also increment the month?
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Display image as grayscale using matplotlib
I'm trying to display a grayscale image using matplotlib.pyplot.imshow() . My problem is that the grayscale image is displayed as a colormap. I need the grayscale because I want to draw on top of the image with color.
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Hibernate problem - “Use of @OneToMany or @ManyToMany targeting an unmapped class”
...g my feet with Hibernate Annotations and I've hit a problem I hope someone can help with.
7 Answers
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