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Replace whitespaces with tabs in linux
...ere're many ways to do something. If you plan to do this substitution many times you will search a solution with a good performance, but if you are going to do it only once, you will serach for a solution wich involves a command that make you feel confortable.
– Jonathan
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Why are regular expressions so controversial? [closed]
...ssions provide an effective, compact solution to the problem, they are sometimes shoehorned into situations where it's better to use an easy-to-read, maintainable section of code instead.
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When should I use a table variable vs temporary table in sql server?
...SPID), 0
FROM master..spt_values v1, master..spt_values v2
SET STATISTICS TIME ON
/*CPU time = 7016 ms, elapsed time = 7860 ms.*/
UPDATE @T SET Flag=1;
/*CPU time = 6234 ms, elapsed time = 7236 ms.*/
DELETE FROM @T
/* CPU time = 828 ms, elapsed time = 1120 ms.*/
UPDATE #T SET Flag=1;
/*CPU t...
Differences between ExpandoObject, DynamicObject and dynamic
...a keyword that tells the compiler to ignore static type checking at design-time and instead to use late-binding at run-time. So we're not going to spend much time on dynamic in the rest of this answer.
ExpandoObject and DynamicObject are indeed types. On the SURFACE, they look very similar to each ...
How do I replace a character at a particular index in JavaScript?
...m ipsum" paragraphs and it took a few milliseconds. Then I tested it on 10 times larger string - there was really no big difference. Hm.
@vsync, @Cory Mawhorter: Your comments are unambiguous; however, again, what is a large string? I agree that for 32...100kb performance should better and one shou...
How to call a parent method from child class in javascript?
...rs to complain that it's depreciated) which is depreciated but at the same time discovered that it is actually an essential tool for sub-classing needs (especially for the Array sub-classing needs though). So while the __proto__ property is still available in all major JS engines that i know, ES6 in...
Is there a NumPy function to return the first index of something in an array?
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Totally off-topic, but this is the first time I see the phrase "in the air" - what I've seen most, in its place, is probably "on the fly".
– flow2k
Nov 28 '19 at 0:25
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Why can a function modify some arguments as perceived by the caller, but not others?
...ee with J.F. Sebastian, but you might find this useful as a shortcut:
Any time you see varname =, you're creating a new name binding within the function's scope. Whatever value varname was bound to before is lost within this scope.
Any time you see varname.foo() you're calling a method on varname...
Get most recent file in a directory on Linux
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@user's Mac version only sorts/displays date, not time. Here's a fixed version: find $DIR -type f -exec stat -lt "%F %T" {} \+ | cut -d' ' -f6- | sort -n | tail -1
– yoz
Dec 11 '19 at 21:21
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How do I create a datetime in Python from milliseconds?
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Just convert it to timestamp
datetime.datetime.fromtimestamp(ms/1000.0)
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