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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...
解决Scrapy警告:You do not have a working installation of the service_i...
...g-installation-of-the-service_identity-module使用scrapy进行爬虫项目的操作时，出现如下错误：从提示错误来看，我们需要安装一个模块service_identity，根据提示地址（https: pypi python org pypi service_identity）来安装 使用scrapy进行爬虫项目的...
解决Scrapy警告:You do not have a working installation of the service_i...
...g-installation-of-the-service_identity-module使用scrapy进行爬虫项目的操作时，出现如下错误：从提示错误来看，我们需要安装一个模块service_identity，根据提示地址（https: pypi python org pypi service_identity）来安装 使用scrapy进行爬虫项目的...