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SQL Server IN vs. EXISTS Performance
I'm curious which of the following below would be more efficient?
9 Answers
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What are the underlying data structures used for Redis?
...small in number of items and size of the largest values, a different, much more compact encoding is used. This encoding differs for different types, but has the feature that it is a compact blob of data that often forces an O(N) scan for every operation. Since we use this format only for small objec...
Why do we need to install gulp globally and locally?
...say that I need to install gulp first globally (with -g flag) and then one more time locally. Why do I need this?
7 Answers...
Is GridFS fast and reliable enough for production?
...tegrity check (this really took hours...). We do not have this problem any more with gridfs, our images are now stored in big mongodb chunks (2gb files)
So... on my mind... Yes, gridfs is fast and reliable enough to be used for production.
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What is the difference between procedural programming and functional programming? [closed]
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What is the difference between old style and new style classes in Python?
... of class and type.
A new-style class is simply a user-defined type, no more, no less.
If x is an instance of a new-style class, then type(x) is typically
the same as x.__class__ (although this is not guaranteed – a
new-style class instance is permitted to override the value returned
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Array.Copy vs Buffer.BlockCopy
...ameters to Buffer.BlockCopy are byte-based rather than index-based, you're more likely to screw up your code than if you use Array.Copy, so I would only use Buffer.BlockCopy in a performance-critical section of my code.
shar...
How to delete all files and folders in a directory?
...e(true);
}
If your directory may have many files, EnumerateFiles() is more efficient than GetFiles(), because when you use EnumerateFiles() you can start enumerating it before the whole collection is returned, as opposed to GetFiles() where you need to load the entire collection in memory befor...
How to use concerns in Rails 4
...ference where one talk was about DCI and finally I understood a little bit more about its philosophy. Changed the text so it doesn't mention DCI at all.
– yagooar
Mar 10 '13 at 18:53
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In Clojure 1.3, How to read and write a file
...urp:
(spit "/tmp/test.txt" "Line to be written" :append true)
PS: To be more explicit about the fact that you are reading and writing to a File and not something else, you could first create a File object and then coerce it into a BufferedReader or Writer:
(reader (file "/tmp/test.txt"))
;; or
(...