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How to get row from R data.frame
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130
x[r,]
where r is the row you're interested in. Try this, for example:
#Add your data
x <...
What does the M stand for in C# Decimal literal notation?
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edited Feb 6 '13 at 13:00
zildjohn01
10.7k55 gold badges4747 silver badges5656 bronze badges
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Breaking a list into multiple columns in Latex
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edited Feb 10 '13 at 21:31
worldsayshi
1,44999 silver badges2727 bronze badges
answered S...
How to match a String against string literals in Rust?
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101
You can do something like this:
match &stringthing[..] {
"a" => println!("0"),
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How to redirect output with subprocess in Python?
...mport shutil
with open('myfile', 'w') as outfile:
for infile in ('file1', 'file2', 'file3'):
shutil.copyfileobj(open(infile), outfile)
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\d is less efficient than [0-9]
I made a comment yesterday on an answer where someone had used [0123456789] in a regular expression rather than [0-9] or \d . I said it was probably more efficient to use a range or digit specifier than a character set.
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Is it possible to use raw SQL within a Spring Repository
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135
The @Query annotation allows to execute native queries by setting the nativeQuery flag to t...
How to reuse an ostringstream?
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157
I've used a sequence of clear and str in the past:
// clear, because eof or other bits may be...
Matplotlib scatter plot with different text at each data point
... while iterating over the values in n.
y = [2.56422, 3.77284, 3.52623, 3.51468, 3.02199]
z = [0.15, 0.3, 0.45, 0.6, 0.75]
n = [58, 651, 393, 203, 123]
fig, ax = plt.subplots()
ax.scatter(z, y)
for i, txt in enumerate(n):
ax.annotate(txt, (z[i], y[i]))
There are a lot of formatting options f...
How to change border color of textarea on :focus
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.input:focus {
outline: none !important;
border:1px solid red;
box-shadow: 0 0 10px #719ECE;
}
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