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Neither BindingResult nor plain target object for bean name available as request attribute [duplicat
...ttribute("login", new Login());
Like this:
@RequestMapping(value = "/", method = RequestMethod.GET)
public String displayLogin(Model model) {
model.addAttribute("login", new Login());
return "login";
}
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Find unused npm packages in package.json
...depcheck
The good thing about this approach is that you don't have to remember the find or grep command.
To run without installing use npx:
npx depcheck
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A clean, lightweight alternative to Python's twisted? [closed]
...pider that I multithreaded to enable concurrent requests to occur at the same time. That was in my Python youth, in the days before I knew about the GIL and the associated woes it creates for multithreaded code (IE, most of the time stuff just ends up serialized!)...
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What does Python's eval() do?
...on sites like codepad.org to allow you to execute scripts in a test environment. eval() can also be used to execute highly-dynamic code, but you should make yourself fully aware of the security and performance risks before using it.
– George Cummins
Feb 21 '12 ...
How to get correct timestamp in C#
I would like to get valid timestamp in my application so I wrote:
5 Answers
5
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Main differences between SOAP and RESTful web services in Java [duplicate]
...ways going to be faster. The main advantage of SOAP is that it provides a mechanism for services to describe themselves to clients, and to advertise their existence.
REST is much more lightweight and can be implemented using almost any tool, leading to lower bandwidth and shorter learning curve....
How to get current time and date in C++?
Is there a cross-platform way to get the current date and time in C++?
24 Answers
24
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How to remove certain characters from a string in C++?
...ow does this work? Is it not a double negative to use erase and remove? To me this reads: "erase the characters that are in positions where ()- aren't." And since each one is done at a time, shouldn't it remove ALL characters? I've read the documentation on both functions, and this makes no sense to...
How to make an Android device vibrate?
...e permission in AndroidManifest.xml file:
<uses-permission android:name="android.permission.VIBRATE"/>
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