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When to use “ON UPDATE CASCADE”
... a join to get the color name. In such a case, on update cascade is a good idea, if you decide that purple should be called violet instead.
– okdewit
Jun 22 '18 at 12:11
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Version number comparison in Python
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Now you've merged all the good ideas from the others into your solution ... :-P still, this is pretty much what I'd do after all. I'll accept this answer. Thanks, everyone
– Johannes Charra
Nov 11 '09 at 10:36
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Add a properties file to IntelliJ's classpath
... by ColinD, you just configure the "resources" folder as Sources folder in IDEA. If the Resource Patterns contains the extension of your resource, then it will be copied to the output directory when you Make the project and output directory is automatically a classpath of your application.
Another ...
Most Pythonic way to provide global configuration variables in config.py? [closed]
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A small variation on Husky's idea that I use. Make a file called 'globals' (or whatever you like) and then define multiple classes in it, as such:
#globals.py
class dbinfo : # for database globals
username = 'abcd'
password = 'xyz'
class...
How to change app name per Gradle build type
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Isolating the string sounds like a good idea. Thanks for that! As for the non-release part, I see that a bit differently as one might want to also test for localization issues while allowing the "release" and "test" builds to coexist on the same device. In such a c...
Java Reflection: How to get the name of a variable?
...er optimizations).
EDIT (related to comments):
If you step back from the idea of having to use it as function parameters, here's an alternative (which I wouldn't use - see below):
public void printFieldNames(Object obj, Foo... foos) {
List<Foo> fooList = Arrays.asList(foos);
for(Fie...
Throttling method calls to M requests in N seconds
...ke throttling though. If you can explain your use case I might have better ideas.
– erickson
May 2 at 15:32
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Peak-finding algorithm for Python/SciPy
...get from the summit to any higher terrain", as it can be seen here:
The idea is:
The higher the prominence, the more "important" the peak is.
Test:
I used a (noisy) frequency-varying sinusoid on purpose because it shows many difficulties. We can see that the width parameter is not very u...
Showing the stack trace from a running Python application
...orks most of the time.
Finally, attaching strace can often give you a good idea what a process is doing.
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explicit casting from super class to subclass
... a dog:
Animal animal = new Dog();
Generally, downcasting is not a good idea. You should avoid it. If you use it, you better include a check:
if (animal instanceof Dog) {
Dog dog = (Dog) animal;
}
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