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Using Linq to group a list of objects into a new grouped list of list of objects
...ows you to iterate over the members of the group. As Lee mentions, you can convert each group to a list if you really want to, but if you're just going to iterate over them as per the code above, there's no real benefit in doing so.
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What is @ModelAttribute in Spring MVC?
...request using the request.getParameter method.
once it reads them, it will convert them into the appropriate Java type using integer.parseInt, double.parseDouble and all the other parse methods that are available based on the data type of the data.
once parsed, it will create a object of the model ...
Why is extending native objects a bad practice?
...Even using some more regular function name like foo(native).coolStuff() to convert it into some "extended" object looks great syntactically. So thanks for that!
– egst
Oct 27 '18 at 21:55
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performSelector may cause a leak because its selector is unknown
...s for a reason. It's very rare that this warning should simply be ignored, and it's easy to work around. Here's how:
if (!_controller) { return; }
SEL selector = NSSelectorFromString(@"someMethod");
IMP imp = [_controller methodForSelector:selector];
void (*func)(id, SEL) = (void *)imp;
func(_contr...
Why use make over a shell script?
...llel programming language.
Let's say that you have 4,000 graphic files to convert and 4 CPUs. Try writing a 10-line shell script (I'm being generous here) that will do it reliably while saturating your CPUs.
Perhaps the real question is why do people bother writing shell scripts.
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What do the terms “CPU bound” and “I/O bound” mean?
What do the terms "CPU bound" and "I/O bound" mean?
11 Answers
11
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How do you work with an array of jQuery Deferreds?
... are using ES6 version of javascript There is a spread operator(...) which converts array of objects to comma separated arguments.
$.when(...promises).then(function() {
var schemas=arguments;
};
More about ES6 spread operator https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Ope...
Good example of livelock?
I understand what livelock is, but I was wondering if anyone had a good code-based example of it? And by code-based, I do not mean "two people trying to get past each other in a corridor". If I read that again, I'll lose my lunch.
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Resizing an image in an HTML5 canvas
I'm trying to create a thumbnail image on the client side using javascript and a canvas element, but when I shrink the image down, it looks terrible. It looks as if it was downsized in photoshop with the resampling set to 'Nearest Neighbor' instead of Bicubic. I know its possible to get this to lo...
How do I reference an existing branch from an issue in GitHub?
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I currently get my link converted to /user/proj/blob/branch even if I wrote tree and not blob. Edit: working: ../../tree/branch
– vault
Feb 24 '17 at 19:47
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