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How to get maximum value from the Collection (for example ArrayList)?

... You can use the Collections API to achieve what you want easily - read efficiently - enough Javadoc for Collections.max Collections.max(arrayList); Returns the maximum element of the given collection, according to the natural ordering of its elements. All elemen...
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Getting image dimensions without reading the entire file

...this is indeed untested. I've gone through it with a fine comb, and here's what I found: BMP format has another (ancient) header variation where dimensions are 16-bit; plus height can be negative (drop the sign then). As for JPEG - 0xC0 isn't the only header. Basically all of 0xC0 to 0xCF except 0xC...
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Facebook Architecture [closed]

...bout the architecture at Facebook, the challenges & ways they tackle them. What they use & why they use. How do they scale & what are the design decisions for what they do etc. Main underpinning being to learn. Knowing about sites which handles such massive traffic gives lots of pointers for archite...
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What is a “thread” (really)?

I have been trying to find a good definition, and get an understanding, of what a thread really is. 10 Answers ...
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Elegant ways to support equivalence (“equality”) in Python classes

...ct__ return False Besides that, your approach will work fine, that's what special methods are there for. share | improve this answer | follow | ...
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How to organize large R programs?

...ightweight alternative, to place a file's functions inside an environment (what every other language calls a "namespace") and attach it. For example, I made a 'util' group of functions like so: util = new.env() util$bgrep = function [...] util$timeit = function [...] while("util" %in% search())...
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How to implement __iter__(self) for a container object (Python)

... That's what you do for iterator classes, but the question is about container objects. – Glenn Maynard Oct 26 '10 at 2:06 ...
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Git: “Corrupt loose object”

...ruct it if you can't find a valid version from someone else by guessing at what files should be there. You may want to see if the dates & times of the objects match up to it. Those could be the related blobs. You could infer the structure of the tree object from those objects. Take a look at Sc...
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jQuery .data() does not work, but .attr() does

...s/jquery/3.3.1/jquery.min.js"></script> data also massages what it finds in various ways, guessing at data types, making data("answer") on an element with data-answer="42" a number, not a string, or even parsing things as JSON if they look like JSON: console.log(typeof $("[data-...
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Explicit vs implicit SQL joins

... What if the table names in the from clause are generated from the tables used in the where clause? – Jus12 Sep 2 '15 at 16:59 ...