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How can I efficiently download a large file using Go?
...se()
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n, err := io.Copy(out, resp.Body)
The http.Response's Body is a Reader, so you can use any functions that take a Reader, to, e.g. read a chunk at a time rather than all at once. In this specific case, io.Copy() does the gruntwork for you.
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How can I make an “are you sure” prompt in a Windows batchfile?
...l SET AREYOUSURE=N before the prompt in order to clear the choice if you already ran the script before in that command window. Without it the default will remain the previously selected choice.
– isapir
Dec 26 '14 at 21:05
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What is a monad?
... of built-in functions which interface with the outside world: putStrLine, readLine and so on. These functions are called “impure” because they either cause side effects or have non-deterministic results. Even something simple like getting the time is considered impure because the result is non-...
How To Format A Block of Code Within a Presentation? [closed]
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Unfortunately, this only works for Doc and Spreadsheet and not Presentation, which is what the question is about.
– Some Noob Student
Feb 22 '15 at 3:08
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raw_input function in Python
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The raw_input() function reads a line from input (i.e. the user) and returns a string
Python v3.x as raw_input() was renamed to input()
PEP 3111: raw_input() was renamed to input(). That is, the new input() function reads a line from sys.stdin and re...
Naming convention - underscore in C++ and C# variables
... @ChaosPandion I'm assuming that what you mean by "immutable" is actually "read-only", in which case one can use public string Name { get; private set; }. True, it's not perfectly immutable, but it's there.
– jdmichal
Jun 29 '10 at 14:54
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In Swift how to call method with parameters on GCD main thread?
...n versions of Swift use DispatchQueue.main.async to dispatch to the main thread:
DispatchQueue.main.async {
// your code here
}
To dispatch after on the main queue, use:
DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
// your code here
}
Older versions of Swift used:
dispatch_asy...
size_t vs. uintptr_t
...ns that, logically, size_t should be able to hold any pointer type. I've read on some sites that I found on the Googles that this is legal and/or should always work:
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Why is the use of tuples in C++ not more common?
..., either the Boost Tuple Library or the standard library for TR1? I have read a lot of C++ code, and very rarely do I see the use of tuples, but I often see lots of places where tuples would solve many problems (usually returning multiple values from functions).
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Convert List to List
...deferred execution, that is, only converts as many items as are retrieved. Read more about it here: codeblog.jonskeet.uk/2011/01/13/…
– Edward
Jul 13 '18 at 14:36
add a comm...