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Neither BindingResult nor plain target object for bean name available as request attribute [duplicat
... an attribute of the model:
model.addAttribute("login", new Login());
Like this:
@RequestMapping(value = "/", method = RequestMethod.GET)
public String displayLogin(Model model) {
model.addAttribute("login", new Login());
return "login";
}
...
What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort
sort provides two kinds of numeric sort. This is from the man page:
3 Answers
3
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When is a CDATA section necessary within a script tag?
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Cody Gray♦
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answered Sep 15 '08 at 20:54
Michael Ridley...
Allowed characters in Linux environment variable names
...arch of man pages and the web did only produce information about how to work with variables, but not which names are allowed.
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What does Python's eval() do?
In the book that I am reading on Python, it keeps using the code eval(input('blah'))
10 Answers
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How to load a tsv file into a Pandas DataFrame?
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huonhuon
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Copying files from Docker container to host
I'm thinking of using Docker to build my dependencies on a Continuous Integration (CI) server, so that I don't have to install all the runtimes and libraries on the agents themselves.
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How to handle both a single item and an array for the same property using JSON.net
...tween a single item and an array, define it as a List<string> and mark it with a [JsonConverter] attribute so that JSON.Net will know to use the custom converter for that property. I would also recommend using [JsonProperty] attributes so that the member properties can be given meaningful na...
How do I get a distinct, ordered list of names from a DataTable using LINQ?
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To make it more readable and maintainable, you can also split it up into multiple LINQ statements.
First, select your data into a new list, let's call it x1, do a projection if desired
Next, create a distinct list, from x1 into ...
Why Java needs Serializable interface?
We work heavily with serialization and having to specify Serializable tag on every object we use is kind of a burden. Especially when it's a 3rd-party class that we can't really change.
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