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How do I drop table variables in SQL-Server? Should I even do this?
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192
Table variables are automatically local and automatically dropped -- you don't have to worry a...
How is Python's List Implemented?
...cal proof: Indexing takes (of course with extremely small differences (0.0013 µsecs!)) the same time regardless of index:
...>python -m timeit --setup="x = [None]*1000" "x[500]"
10000000 loops, best of 3: 0.0579 usec per loop
...>python -m timeit --setup="x = [None]*1000" "x[0]"
10000000 lo...
How to Apply global font to whole HTML document
...e the asterisk and !important elements within CSS.
html *
{
font-size: 1em !important;
color: #000 !important;
font-family: Arial !important;
}
The asterisk matches everything (you could probably get away without the html too).
The !important ensures that nothing can override what you'v...
How to make graphics with transparent background in R using ggplot2?
...() and the code for the legend background:
df <- data.frame(y = d, x = 1, group = rep(c("gr1", "gr2"), 50))
p <- ggplot(df) +
stat_boxplot(aes(x = x, y = y, color = group),
fill = "transparent" # for the inside of the boxplot
)
Fastest way is using using rect, as all th...
Rails hidden field undefined method 'merge' error
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417
You should do:
<%= f.hidden_field :service, :value => "test" %>
hidden_field expect...
Is there a way to change context to iframe in javascript console?
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149
Chrome 15 allows you to change the scope of the console. On the bottom of the console, next t...
Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
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145
The most likely cause of the speed improvement is that:
inserting a MOV shifts the subsequen...
How to read the database table name of a Model instance?
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1 Answer
1
Active
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Is a one column table good design? [closed]
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15 Answers
15
Active
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Get time in milliseconds using C#
...nds. By time, I mean a number that is never equal to itself, and is always 1000 numbers bigger than it was a second ago. I've tried converting DateTime.Now to a TimeSpan and getting the TotalMilliseconds from that... but I've heard it isn't perfectly accurate.
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