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Multi-statement Table Valued Function vs Inline Table Valued Function
...s comment, I have revised my original statement. He is correct, there will be a difference in performance between an inline table valued function (ITVF) and a multi-statement table valued function (MSTVF) even if they both simply execute a SELECT statement. SQL Server will treat an ITVF somewhat lik...
How can I get the behavior of GNU's readlink -f on a Mac?
... that follows additional links. This doesn't seem to work on Mac and possibly BSD based systems. What would the equivalent be?
...
What is the “right” way to iterate through an array in Ruby?
...HP, for all its warts, is pretty good on this count. There's no difference between an array and a hash (maybe I'm naive, but this seems obviously right to me), and to iterate through either you just do
...
How to get a value from a cell of a dataframe?
... a Series using iloc, and then the value using the column name:
In [3]: sub_df
Out[3]:
A B
2 -0.133653 -0.030854
In [4]: sub_df.iloc[0]
Out[4]:
A -0.133653
B -0.030854
Name: 2, dtype: float64
In [5]: sub_df.iloc[0]['A']
Out[5]: -0.13365288513107493
...
Check for column name in a SqlDataReader object
How do I check to see if a column exists in a SqlDataReader object? In my data access layer, I have create a method that builds the same object for multiple stored procedures calls. One of the stored procedures has an additional column that is not used by the other stored procedures. I want to ...
Google Maps API 3 - Custom marker color for default (dot) marker
... seen lots of other questions similar to this ( here , here and here ), but they all have accepted answers that don't solve my problem. The best solution I have found to the problem is the StyledMarker library, which does let you define custom colours for markers, but I can't get it to use the ...
Converting Go struct to JSON
I am trying to convert a Go struct to JSON using the json package but all I get is {} . I am certain it is something totally obvious but I don't see it.
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What's the difference between parenthesis $() and curly bracket ${} syntax in Makefile?
Is there any differences in invoking variables with syntax ${var} and $(var) ? For instance, in the way the variable will be expanded or anything?
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Annotating text on individual facet in ggplot2
...you'd do something like this:
ann_text <- data.frame(mpg = 15,wt = 5,lab = "Text",
cyl = factor(8,levels = c("4","6","8")))
p + geom_text(data = ann_text,label = "Text")
It should work without specifying the factor variable completely, but will probably throw some warnin...
Create array of all integers between two numbers, inclusive, in Javascript/jQuery [duplicate]
Say I have the following checkbox:
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