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Measuring execution time of a function in C++
...ementaion defined, high_resolution_clock may be an alias of system_clock (wall clock), steady_clock or a third independent clock. See details here. For cpu clock, std::clock may be used
– Jahid
Jan 24 '17 at 11:39
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Batch equivalent of Bash backticks
...is very example only enables you to read the very first line of input. For all practical purposes the for /f variant is a much better one.
– Joey
May 4 '10 at 21:33
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How to compare dates in Java? [duplicate]
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The normal usually "left inclusive, right exclusive", this why I think this should be specified exactly. With "left inclusive, right exclusive" borders, you can specify fe: a month interval easily: [2016/04/01, 2016/05/01], this why this i...
How to redirect stderr and stdout to different files in the same line in script?
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Great answer! I really like your explanation of how 1> can be written as >
– user784637
Oct 26 '11 at 13:25
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When correctly use Task.Run and when just async-await
...N article Best Practices in Asynchronous Programming.
2) Use Task.Run to call CPU-bound methods.
You should use Task.Run, but not within any code you want to be reusable (i.e., library code). So you use Task.Run to call the method, not as part of the implementation of the method.
So purely CPU-bo...
Mozilla PDF.js：PDF在线预览 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...What browsers are supported?支持哪些浏览器?
The goal is to support all HTML5 compliant browsers, but sincefeature support varies per browser/version our support for all PDF featuresvaries as well. If you want to support more browsers than Firefox you'll needto include compatibility.jswhich h...
How do you do a case insensitive search using a pattern modifier using less?
... like the only way to do this is to pass the -i parameter in when you initially run less. Does anyone know of some secret hack to make something like this work
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Does every Core Data Relationship have to have an Inverse?
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An inverse relationship doesn't just
make things more tidy, it's actually
used by Core Data to maintain data
integrity.
-- Cocoa Dev Central
You should typically model
relationships in both directions, and
specify the inverse relationships
appropriately. Core Data uses this
i...
What is the difference between a regular string and a verbatim string?
... = @"C:\myfolder\myfile.txt";
The @ symbol means to read that string literally, and don't interpret control characters otherwise.
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Cost of len() function
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Calling len() on those data types is O(1) in CPython, the most common implementation of the Python language. Here's a link to a table that provides the algorithmic complexity of many different functions in CPython:
TimeComple...