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What does Expression.Quote() do that Expression.Constant() can’t already do?
... is a factory for adders that are bound to the outer lambda's parameter.
Now, suppose we wish to represent this as an expression tree that will later be compiled and executed. What should the body of the expression tree be? It depends on whether you want the compiled state to return a delegate or ...
How to print time in format: 2009‐08‐10 18:17:54.811
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It's an even better answer now, and props for looking up how to handle the millisecond part. I think your buffer is now a little longer than it needs to be, though.
– Jack Kelly
Sep 9 '10 at 3:56
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What is the use of the ArraySegment class?
...ent<T> has become a lot more useful in .NET 4.5+ and .NET Core as it now implements:
IList<T>
ICollection<T>
IEnumerable<T>
IEnumerable
IReadOnlyList<T>
IReadOnlyCollection<T>
as opposed to the .NET 4 version which implemented no interfaces whatsoever.
The cl...
NodeJS: How to decode base64 encoded string back to binary? [duplicate]
...r.from(b64string, 'base64'); // Ta-da
} else {
// older Node versions, now deprecated
buf = new Buffer(b64string, 'base64'); // Ta-da
}
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How to create permanent PowerShell Aliases
...n SilentlyContinue
powershell_ise.exe .\Microsoft.PowerShell_profile.ps1
Now add your alias to the Microsoft.PowerShell_profile.ps1 file that is now opened:
function Do-ActualThing {
# do actual thing
}
Set-Alias MyAlias Do-ActualThing
Then save it, and refresh the current session with:
...
Please explain some of Paul Graham's points on Lisp
...ints (3) and (4) on your list seem the most interesting and still relevant now.
To understand them, it is useful to have a clear picture of what happens with Lisp code -- in the form of a stream of characters typed in by the programmer -- on its way to being executed. Let's use a concrete example:
;...
How to check whether mod_rewrite is enable on server?
...our browser.
Search for 'mod_rewrite' again. You should be able to find it now.
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Save classifier to disk in scikit-learn
...digits.data, digits.target)
0.9526989426822482
Edit: in Python 3.8+ it's now possible to use pickle for efficient pickling of object with large numerical arrays as attributes if you use pickle protocol 5 (which is not the default).
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What does the Reflect object do in JavaScript?
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UPDATE 2015:
As pointed out by 7th's answer, now that ES6 (ECMAScript 2015) has been finalized, more appropriate documentation is now available:
ES6 spec, Reflection
MDN Reflect (including details and examples to all of its methods)
Original answer (for (historic) ...
Replace tabs with spaces in vim
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what if i want to save it with spaces ? right now when I :wq and open the file again i am back to tabs
– Gorkem Yurtseven
Apr 2 '14 at 0:50
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