大约有 40,000 项符合查询结果(耗时:0.0708秒) [XML]
When to use Task.Delay, when to use Thread.Sleep?
... Both operations are quite heavy whereas the cooperative multi-tasking provided by Task.Delay etc is designed to avoid all of that overhead, maximize throughput, allow cancellation, and provide cleaner code.
– Corillian
May 3 '16 at 16:06
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Parallel.ForEach vs Task.Factory.StartNew
...ch work item (in your Parallel loop). No reason to put an async option inside of the already concurrent loop, typically...
– Reed Copsey
May 29 '12 at 16:44
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Maintain/Save/Restore scroll position when returning to a ListView
...want the list to be scrolled to the same point that it was previously. Any ideas on how to achieve this?
20 Answers
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Difference between UTF-8 and UTF-16?
...ke digits, Latin characters with no accents, etc. occupy one byte which is identical to US-ASCII representation. This way all US-ASCII strings become valid UTF-8, which provides decent backwards compatibility in many cases.
No null bytes, which allows to use null-terminated strings, this introduces ...
Suppressing “is never used” and “is never assigned to” warnings in C#
...gma warning restore 0649
To find such warning numbers yourself (ie. how did I know to use 0169 and 0649), you do this:
Compile the code as normal, this will add some warnings to your error list in Visual Studio
Switch to the Output window, and the Build output, and hunt for the same warnings
Cop...
How to use a custom comparison function in Python 3?
... some performance by passing all the comparison operators < > = to middle man, since my original custom sort is written in C , it had around 1/2x speed of default sort.
– YOU
Mar 28 '10 at 5:26
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When and why would you seal a class?
...security class's definition? Even if the answer would be "yes", this would ideally be a compiler option i.e. "generate optimized code for all non-sealed classes", rather than having us developers to alter code base.
– RayLuo
May 2 '17 at 21:15
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What does functools.wraps do?
In a comment on this answer to another question , someone said that they weren't sure what functools.wraps was doing. So, I'm asking this question so that there will be a record of it on StackOverflow for future reference: what does functools.wraps do, exactly?
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Clone contents of a GitHub repository (without the folder itself)
...it clone (git@github:me/name.git...) I get a folder called name/ and inside name I have my contents... How do I get JUST the contents?
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What's the equivalent of Java's Thread.sleep() in Objective-C/Cocoa?
...main thread is just a thread. Sleeping on the main thread is usually a bad idea though, since it makes your program non-responsive.
– smorgan
Dec 17 '12 at 9:42
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