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Cannot download Docker images behind a proxy
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Reshaping data.frame from wide to long format
... an extended & improved implementation). melt from data.table has also more parameters that the melt-function from reshape2. You can for example also specify the name of the variable-column:
library(data.table)
long <- melt(setDT(wide), id.vars = c("Code","Country"), variable.name = "year")
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Is it possible to make an HTML anchor tag not clickable/linkable using CSS?
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@JohnMerlino: doesn't work in IE9. See more at masegaloeh's link to the compatibility table
– Howie
Jan 12 '15 at 12:57
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Iteration ng-repeat only X times in AngularJs
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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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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...
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 can I listen to the form submit event in javascript?
...rm/dispatch your own actions
event.preventDefault();
}
// more stuff
}
Simply pass in a handler to the onSubmit prop. Reference
Other frameworks/libraries
Refer to the documentation of your framework.
Validation
You can always do your validation in JavaScript, but with HTML5...