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awk without printing newline
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awk '{sum+=$3}; END {printf "%f",sum/NR}' ${file}_${f}_v1.xls >> to-plot-p.xls
print will insert a newline by default. You dont want that to happen, hence use printf instead.
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Truncate a list to a given number of elements
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3 Answers
3
Active
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stash@{1} is ambiguous?
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234
Your shell is eating your curly brackets, so while you say stash@{1}, git sees stash@1 and that...
Ruby combining an array into one string
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3 Answers
3
Active
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URL encode sees “&” (ampersand) as “&” HTML entity
... encodeURI or encodeURIComponent , & will be replaced with %26amp%3B , but I want it to be replaced with %26 . What am I doing wrong?
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How to empty a list?
...bel with a new empty list:
del lst[:]
Here's an example:
lst1 = [1, 2, 3]
lst2 = lst1
del lst1[:]
print(lst2)
For the sake of completeness, the slice assignment has the same effect:
lst[:] = []
It can also be used to shrink a part of the list while replacing a part at the same time (but tha...
Why is SELECT * considered harmful?
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322
There are really three major reasons:
Inefficiency in moving data to the consumer. When you...
How to add additional fields to form before submit?
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163
Yes.You can try with some hidden params.
$("#form").submit( function(eventObj) {
$("<...
Html5 data-* with asp.net mvc TextboxFor html attributes
..."Geo") }
)
And for those who want to achieve the same in pre ASP.NET MVC 3 versions they could:
<%= Html.TextBoxFor(
model => model.Country.CountryName,
new Dictionary<string, object> {
{ "data-url", Url.Action("CountryContains", "Geo") }
}
) %>
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