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SELECT * WHERE NOT EXISTS
...r original query will always return nothing unless there are no records at all in eotm_dyn, in which case it will return everything.
Assuming these tables should be joined on employeeID, use the following:
SELECT *
FROM employees e
WHERE NOT EXISTS
(
SELECT null
...
Dynamically adding properties to an ExpandoObject
I would like to dynamically add properties to a ExpandoObject at runtime. So for example to add a string property call NewProp I would like to write something like
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Using :after to clear floating elements
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The text 'dasda' will never not be within a tag, right? Semantically and to be valid HTML it as to be, just add the clear class to that:
http://jsfiddle.net/EyNnk/2/
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Purpose of asterisk before a CSS property
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All browsers but IE ignore the rules. It's known as the star hack. I think IE7 will ignore the rules in standards mode.
In this case, the font rule is set and then overridden for IE 6 and sometimes 7.
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How to catch integer(0)?
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If it's specifically zero length integers, then you want something like
is.integer0 <- function(x)
{
is.integer(x) && length(x) == 0L
}
Check it with:
is.integer0(integer(0)) #TRUE
is.integer0(0L) #FALSE
is.integer0(...
Print commit message of a given commit in git
...ive you the commit message and no commit sha, and you can "pipe" it. I actually use this as part of my CI script.
– Paulo Muñoz
Jun 7 '16 at 9:03
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What are the “loose objects” that the Git GUI refers to?
... first two characters to improve performance of the File system as now not all the objects are stored in the same directory)
Objects stored as above are referred to as Loose objects.
When you start up with your repo, you mostly have loose objects. As the number goes high, it becomes inefficient an...
Access to Modified Closure
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In this case, it's okay, since you are actually executing the delegate within the loop.
If you were saving the delegate and using it later, however, you'd find that all of the delegates would throw exceptions when trying to access files[i] - they're capturing the var...
What does Maven Update Project do in Eclipse?
...or doing a project update might revert what you have changed. There are usually some things I have to correct myself anyway though, such as build path exclusions that m2eclipse likes to put in and strange deployment assembly configurations.
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Python: Get the first character of the first string in a list?
...ist char for the first one string(item):
myList[0][0]
>>> b
If all first chars:
[x[0] for x in myList]
>>> ['b', 's', 't']
If you have a text:
text = 'base sample test'
text.split()[0][0]
>>> b
...