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When use getOne and findOne methods Spring Data JPA
...tity, invoking a method on it is required.
findOne()/findById() is really more clear and simple to use than getOne().
So in the very most of cases, favor findOne()/findById() over getOne().
API Change
From at least, the 2.0 version, Spring-Data-Jpa modified findOne().
Previously, it was defined...
Why can I throw null in Java? [duplicate]
... to know at compile time. In the exact case of throw null, it is, but in a more general case where the exception object is decided upon at runtime, there may be no way to know. Evidently the addition (to the JLS) of a special case for null literals was not seen as worthwhile, since it is a very easy...
How to implement WiX installer upgrade?
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How to click or tap on a TextView text
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Cannot download Docker images behind a proxy
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Setting log level of message at runtime in slf4j
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The RFE links don't resolve any more. The relevant links are now: jira.qos.ch/browse/SLF4J-124 and jira.qos.ch/browse/SLF4J-197 ... and both have been closed. Read the comments for the rationale.
– Stephen C
Apr 23 '...
How exactly does a generator comprehension work?
...lations based on that item, and then move on to the next item. If you need more than one value, you can also use a generator expression and grab a few at a time. If you need all the values before your program proceeds, use a list comprehension instead.
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Iteration ng-repeat only X times in AngularJs
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Conda: Installing / upgrading directly from github
...ent.yml), then run the command: conda env update -f environment.yml.
It's more likely that you would want to create a new environment:
conda env create -f environment.yml (changed as supposed in the comments)
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How to find keys of a hash?
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wouldn't this have been more natural? if(!Object.prototype.keys) Object.prototype.keys = function() { if (this !== Object(this)) throw new TypeError('Object.keys called on non-object'); var ret = [], p; for (p in this) if (Object.prot...