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What is @ModelAttribute in Spring MVC?
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But is it necessary ? This is still working without using @ModelAttribute annotation.
– user8710021
Mar 27 '18 at 16:50
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How to multiply duration by integer?
To test concurrent goroutines, I added a line to a function to make it take a random time to return (up to one second)
5 An...
Java Generics (Wildcards)
I have a couple of questions about generic wildcards in Java:
6 Answers
6
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Is it possible to include a file in your .gitconfig
...nge and its edge cases.
By the way, a couple of subtleties worth pointing out:
Environment-variable expansion, e.g. $HOME, is not supported. (Expansion of ~ appeared in Git 1.7.10.2.)
If a relative path is specified, then it is relative to the .gitconfig file that has the [include] statement. Th...
How do I apply a perspective transform to a UIView?
... of your UIView's CALayer. If you don't have any sublayers, don't worry about it. I use the sublayerTransform in my example simply because there are two CALayers contained within the one layer that I'm rotating.
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Set markers for individual points on a line in Matplotlib
...text(i-0.15,j+0.15,s=m+' : '+l)
plt.axis([-0.1,4.8,-0.1,4.5])
plt.tight_layout()
plt.axis('off')
plt.show()
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Git: Find the most recent common ancestor of two branches
... it technically is not. To be more careful in my wording, I was talking about the case where you want the parent of the first instance of the "branches" diverging... since they may have multiple points where they re-merged and re-split, this is the "oldest" of these, but not truly the oldest ancest...
Difference between “module.exports” and “exports” in the CommonJs Module System
...Hello World');
};
console.log(exports);
console.log(module.exports);
the output will be
[Function]
{}
the reason is : module.exports is an empty object. We did not set anything to module.exports rather we set exports = function()..... in new greet.js. So, module.exports is empty.
Technically...
What is the meaning of addToBackStack with null parameter?
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Concerning:
Seems like this code is useless as I ran the code without the last
line .addToBackStack(null).commit() and it ran without any problems
If you want to navigate to previous fragment add it to backstack. So it depends on whether you want to add the fragment to the backstack.
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Always pass weak reference of self into block in ARC?
I am a little confused about block usage in Objective-C. I currently use ARC and I have quite a lot of blocks in my app, currently always referring to self instead of its weak reference. May that be the cause of these blocks retaining self and keeping it from being dealloced ? The question is, s...