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What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
...r ps1 to stream a lot of data to stdout, and some other utility to consume/transform it. If you use Write-Host in the script it will be much slower.
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Are Stored Procedures more efficient, in general, than inline statements on modern RDBMS's? [duplica
...forth for no good reason?
Potential cache benefits
Performing server-side transforms of data can potentially be faster if you have sufficient memory on the DBMS and the data you need is in memory of the server.
Still an advantage?
Unless your app has shared memory access to DBMS data, the edge wil...
Why does Date.parse give incorrect results?
...ew Date('12/4/2013').toString() goes through the following internal pseudo-transformation:
"12/4/2013" -> toUCT -> [storage] -> toLocal -> print "12/4/2013"
I hope this answer was helpful.
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Local variables in nested functions
...rator the function would work (i.e. printing each value in turn), but when transforming to a list it runs over the generator, hence all calls to cage (cage.animal) return cats.
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How to iterate over rows in a DataFrame in Pandas
...ssle of cythonizing your code, and 3) you're trying to perform elementwise transformation on your code. There is a good amount of evidence to suggest that list comprehensions are sufficiently fast (and even sometimes faster) for many common Pandas tasks.
The formula is simple,
# Iterating over one c...
Sanitizing strings to make them URL and filename safe?
...this area. His phunction framework includes several great text filters and transformations.
Unaccent
Slug
Filter
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Rails update_attributes without save?
...ccur when converting data from an API, or even just using a series of data transformation and forgetting to Hash[] the results of the final .map. Maintain some code 50 lines above and 3 functions removed from your attribute assignment, and you've got a recipe for failure.
The lesson with Rails 3 i...
Is it possible to decrypt MD5 hashes?
...hash function. Much of the original data is actually "lost" as part of the transformation.
Think about this: An MD5 is always 128 bits long. That means that there are 2128 possible MD5 hashes. That is a reasonably large number, and yet it is most definitely finite. And yet, there are an infinite n...
Using Java 8's Optional with Stream::flatMap
...ite up the above description of what it was doing. The key subtlety is the transformation from Optional<Other> to Optional<Stream<Other>>. Once you grok this it makes sense, but it wasn't obvious to me.
I'll acknowledge, though, that things that are initially obscure can become id...
Is module __file__ attribute absolute or relative?
...oo.py
Guido explains in the above cited thread, why python do not try to transform all entries in absolute paths:
we don't want to have to call getpwd() on every import ....
getpwd() is relatively slow and can sometimes fail outright,
So your path is used as it is.
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