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When should I use mmap for file access

POSIX environments provide at least two ways of accessing files Theres the standard system calls open read write and friends but theres also the option of

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Which comment style should I use in batch files

Ive been writing some batch files and I ran into this user guide which has been quite informative One thing it showed me was that lines can be commented not

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Which is faster in Python x5 or mathsqrtx

Ive been wondering this for some time As the title say which is faster the actual function or simply raising to the half power UPDATE This is not a matter of

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Why can I not create a wheel in python

Here are the commands I am running python setuppy bdistwheel usage setuppy globalopts cmd1 cmd1opts cmd2 cmd2opts or setuppy help cmd1 cmd2 or setuppy

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Why do we usually use over What is the difference

Im just wondering why we usually use logical OR between two booleans not bitwise OR though they are both working well I mean look at the following iftrue true

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With useEffect how can I skip applying an effect upon the initial render

With Reacts new Effect Hooks I can tell React to skip applying an effect if certain values havent changed between rerenders Example from Reacts docs useEffect

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You must add a reference to assembly netstandard Version2000

The project is an ASPNET MVC Web App targeting the NET Framework 461 All of a sudden some NuGet packages were upgraded I started to get the following error

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Activity AppCompatActivity FragmentActivity and ActionBarActivity When to Use Which

Im coming from iOS where its easy and you simply use a UIViewController However in Android things seem much more complicated with certain UIComponents for

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AngularJS - Does destroy remove event listeners

httpsdocsangularjsorgguidedirective By listening to this event you can remove event listeners that might cause memory leaks Listeners registered to scopes and

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