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How can I upload files asynchronously?

...rk but there are still clusters of higher usage. The important take-away from this —whatever the feature— is, check what browser your users use. If you don't, you'll learn a quick and painful lesson in why "works for me" isn't good enough in a deliverable to a client. caniuse is a useful tool ...
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Loop backwards using indices in Python?

I am trying to loop from 100 to 0. How do I do this in Python? 15 Answers 15 ...
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Protected in Interfaces

... Because an interface is supposed to mean "what you can see from outside the class". It would not make sense to add non-public methods. share | improve this answer | ...
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Use PHP composer to clone git repo

I'm trying to use composer to automatically clone a git repository from github that isn't in packagist but it's not working and I can't figure out what am I doing wrong. ...
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Which Python memory profiler is recommended? [closed]

...mple to use. At some point in your code, you have to write the following: from guppy import hpy h = hpy() print(h.heap()) This gives you some output like this: Partition of a set of 132527 objects. Total size = 8301532 bytes. Index Count % Size % Cumulative % Kind (class / dict of clas...
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TortoiseGit not showing icon overlays

... I had the same problem and I got it to work by following instructions from a forum. What I did was this (copied): I find solution :) Wrapping with "" all tortoise keys under HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellIconOverlayIdentifiers on 1Torto...
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How to insert an item into an array at a specific index (JavaScript)?

...ause most of the answers are pre ES6, but this approach is very common now from my experience – gafi Dec 16 '17 at 22:35 ...
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What's the difference between ConcurrentHashMap and Collections.synchronizedMap(Map)?

...needs, use ConcurrentHashMap. It allows concurrent modification of the Map from several threads without the need to block them. Collections.synchronizedMap(map) creates a blocking Map which will degrade performance, albeit ensure consistency (if used properly). Use the second option if you need to ...
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Why do x86-64 systems have only a 48 bit virtual address space?

... Where does the 4 come from in the 4 petabytes? If we're talking 64 address lines we should end up with the square of the address space made possible by 32 address lines which is 4 gigabytes. Square that and we should have 16, not 4 petabytes. Am I...
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What is the point of the diamond operator () in Java 7?

...sed in new code unless you absolutely have to. Now, if Java had generics from the beginning and didn't have types, such as LinkedList, that were originally created before it had generics, it probably could have made it so that the constructor for a generic type automatically infers its type parame...