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How to get the unique ID of an object which overrides hashCode()?
...member fields) to a single integer. This value is mostly used by some hash based data structures like maps and sets to effectively store and retrieve objects.
If you need an identifier for your objects, I recommend you to add your own method instead of overriding hashCode. For this purpose, you can...
Spring .properties file: get element as an Array
...
If you define your array in properties file like:
base.module.elementToSearch=1,2,3,4,5,6
You can load such array in your Java class like this:
@Value("${base.module.elementToSearch}")
private String[] elementToSearch;
...
How to “perfectly” override a dict?
... write an object that behaves like a dict quite easily with ABCs (Abstract Base Classes) from the collections.abc module. It even tells you if you missed a method, so below is the minimal version that shuts the ABC up.
from collections.abc import MutableMapping
class TransformedDict(MutableMappi...
Advantages of std::for_each over for loop
...(), collection.end(), [](Element& e)
{
foo(e);
});
when the range-based for loop syntax is available:
for(Element& e : collection)
{
foo(e);
}
This kind of syntax has been available in Java and C# for some time now, and actually there are way more foreach loops than classical for ...
Git merge master into feature branch
...e branch back to master eventually.
Be very careful with rebasing. Only rebase if the changes you did stayed local to your repository, e.g. you did not push any branches to some other repository. Rebasing is a great tool for you to arrange your local commits into a useful order before pushing it ou...
Specifying a custom DateTime format when serializing with Json.Net
... IsoDateTimeConverter
{
public CustomDateTimeConverter()
{
base.DateTimeFormat = "yyyy-MM-dd";
}
}
If you don't mind having the time in there also, you don't even need to subclass the IsoDateTimeConverter. Its default date format is yyyy'-'MM'-'dd'T'HH':'mm':'ss.FFFFFFFK (as se...
Build Eclipse Java Project from Command Line
Is there a way to compile an Eclipse-based Java project from the command line?
8 Answers
...
Software Design vs. Software Architecture [closed]
...e designing, implementing, maintaining the backend servers (probably cloud-based), and front-end design (Web or mobile) all by themselves. I think they're called full stack developers. Right?
– Maziyar
Aug 1 '14 at 7:07
...
How can I replace a newline (\n) using sed?
...
sed is intended to be used on line-based input. Although it can do what you need.
A better option here is to use the tr command as follows:
tr '\n' ' ' < input_filename
or remove the newline characters entirely:
tr -d '\n' < input.txt > output....
Rails I18n validation deprecation warning
....0.0-p247@application/gems/authlogic-3.1.0/lib/authlogic/acts_as_authentic/base.rb:37:in `include'",
"/Users/weppos/.rvm/gems/ruby-2.0.0-p247@application/gems/authlogic-3.1.0/lib/authlogic/acts_as_authentic/base.rb:37:in `block in acts_as_authentic'",
"/Users/weppos/.rvm/gems/ruby-2.0.0-p247@appli...