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What to return if Spring MVC controller method doesn't return value?
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setting @ResponseStatus(HttpStatus.NO_CONTENT) solved XML Parsing Error: no root element found for me in the browser
– aliopi
Aug 31 '17 at 11:39
add a co...
What is an idiomatic way of representing enums in Go?
...atured enum similar to the type you'd see in another language like Java or Python?
A very simple way to create an object that starts to look and feel like a string enum in Python would be:
package main
import (
"fmt"
)
var Colors = newColorRegistry()
func newColorRegistry() *colorRegistry {...
Why is “using namespace std;” considered bad practice?
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I've always liked Python's "import big_honkin_name as bhn" so you can then just use "bhn.something" rather than "big_honkin_name.something"- really cuts down on the typing. Does C++ have something like that?
– paxdiablo
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Import module from subfolder
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There's no need to mess with your PYTHONPATH or sys.path here.
To properly use absolute imports in a package you should include the "root" packagename as well, e.g.:
from dirFoo.dirFoo1.foo1 import Foo1
from dirFoo.dirFoo2.foo2 import Foo2
Or you can use ...
Spring MVC: How to return image in @ResponseBody?
...urn IOUtils.toByteArray(in);
}
And the mvc annotation in servlet-context.xml file:
<mvc:annotation-driven>
<mvc:message-converters>
<bean class="org.springframework.http.converter.ByteArrayHttpMessageConverter">
<property name="supportedMediaTypes">...
Lombok is not generating getter and setter
...sing Lombok is not straightforward as just adding a dependency in your POM xml file and adding the annotation. These are the next steps:
1) Locate where your Lombok jar file is downloaded by maven; Usually it is in .m2 folder inside your home directory. Then execute the following command.
java -ja...
Algorithm to generate all possible permutations of a list?
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Here is an algorithm in Python that works by in place on an array:
def permute(xs, low=0):
if low + 1 >= len(xs):
yield xs
else:
for p in permute(xs, low + 1):
yield p
for i in range(low + 1, l...
Can Git hook scripts be managed along with the repository?
...t hooks. That means all you need to do is configure your package.json, pom.xml, etc., and anyone in your team will have no option but to comply unless they change the build file.
The plugin will add content to .git directory for you.
Examples:
https://github.com/rudikershaw/git-build-hook
https:/...
Move an item inside a list?
In Python, how do I move an item to a definite index in a list?
5 Answers
5
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What's the role of adapters in Android?
... data from a source
(e.g. ArrayList<>)
and delivers it to a layout (.xml file).
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