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Difference between clustered and nonclustered index [duplicate]
...ce it is being stored in the same order as the clustered index itself. So, reading from a clustered index is generally faster than reading from a non-clustered index.
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Post Build exited with code 1
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My reason for the Code 1 was that the target folder was read only. Hope this helps someone!
I had a post build event to do a copy from one directory to another and the destination was read only. So I just went and unchecked the read-only attribute on the directory and all its sub...
Cookies vs. sessions
...e of months ago. For the sake of creating a login system for my website, I read about cookies and sessions and their differences (cookies are stored in the user's browser and sessions on the server). At that time, I preferred cookies (and who does not like cookies?!) and just said: "who cares? I don...
Is there a reason that Swift array assignment is inconsistent (neither a reference nor a deep copy)?
I'm reading the documentation and I am constantly shaking my head at some of the design decisions of the language. But the thing that really got me puzzled is how arrays are handled.
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Why not use HTTPS for everything?
...swered May 1 '10 at 0:36
EadwacerEadwacer
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How many files can I put in a directory?
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I have had over 8 million files in a single ext3 directory. libc readdir() which is used by find, ls and most of the other methods discussed in this thread to list large directories.
The reason ls and find are slow in this case is that readdir() only reads 32K of directory entries at a t...
How to retrieve the first word of the output of a command in bash?
... retrieve any word. Index runs from 0 to length-1
Also, you can directly read arrays in a pipe-line:
echo "word1 word2" | while read -a array; do echo "${array[0]}" ; done
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Scraping html tables into R data frames using the XML package
...ational_football_team",.opts = list(ssl.verifypeer = FALSE) )
tables <- readHTMLTable(theurl)
tables <- list.clean(tables, fun = is.null, recursive = FALSE)
n.rows <- unlist(lapply(tables, function(t) dim(t)[1]))
the picked table is the longest one on the page
tables[[which.max(n.rows)]]...
How to make a HTTP request using Ruby on Rails?
...don't reinvent the wheel, and you benefit from the hard work others have already done. If a gem exists that makes your life easier, there's generally no good reason not to use it.
– Marnen Laibow-Koser
Apr 10 '18 at 22:27
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how to listen to N channels? (dynamic select statement)
...h approaches presented so far given the same input, a slice of channels to read from and a function to call for each value which also need to know which channel the value came from.
There are three main differences between the approaches:
Complexity. Although it may partially be a reader preferen...