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Jump into interface implementation in Eclipse IDE
You know how in Eclipse, pressing F3 over a method will take you to its declaration? Well I have a method that is part of an interface; clicking F3 over this naturally takes me to the declaring interface.
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Most efficient method to groupby on an array of objects
...ailed to understand how in the world does it work starting from ...result. Now I can't sleep because of that.
– user3307073
Mar 29 '19 at 9:26
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What is a good use case for static import of methods?
...rs of your code (including you, a few months after you wrote it) will not know which class a static member comes from. Importing all of the static members from a class can be particularly harmful to readability; if you need only one or two members, import them individually.
(https://docs.oracle.co...
Determining Whether a Directory is Writeable
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Maybe a program just wants to know without having the need to actually write. It might just want to change the look and/or behaviour of a GUI according to the property. In that case I would not consider it pythonic to write and delete a file just as a test...
The following untracked working tree files would be overwritten by merge, but I don't care
...ith the following:
-x ignored files are also removed as well as files unknown to Git.
-d remove untracked directories in addition to untracked files.
-f is required to force it to run.
Here is the link that can be helpful as well.
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How to get a function name as a string?
... the answer I'd like to see. Other answers assume that the caller already knows the function name, which is nonsense in the context of this question.
– Richard Gomes
Jul 11 '13 at 16:43
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Relative paths in Python
...ally, at the shell:
~ % python foo.py
/Users/jason
foo.py
However, I do know that there are some quirks with __file__ on C extensions. For example, I can do this on my Mac:
>>> import collections #note that collections is a C extension in Python 2.5
>>> collections.__file__
'/S...
Enterprise Library Unity vs Other IoC Containers [closed]
...ring.Net and the Java Spring project.
Note: Configuration in the code is now possible with the introduction of Spring.NET CodeConfig.
Windsor
XML and code. Like Spring.Net, Windsor will do anything you could want it to do. Windsor is probably one of the most popular IoC containers around.
IWin...
AngularJS : Factory and Service? [duplicate]
...ass this service into your controller, those properties on the object will now be available in that controller through your factory. (Hypothetical Scenario)
Singleton and will only be created once
Reusable components
Factory are a great way for communicating between controllers like sharing data.
C...
ORA-00979 not a group by expression
...ow as result with the first column 0 to fulfill the GROUP BY but there are now two values of bar to chose from. Which result would you expect - A or B? Or should the database return more than one row, violating the contract of GROUP BY?
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