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Pad a number with leading zeros in JavaScript [duplicate]
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616
Not a lot of "slick" going on so far:
function pad(n, width, z) {
z = z || '0';
n = n + ''...
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 <...
How to get a vertical geom_vline to an x-axis of class date?
...I have a time series from and would like to draw a vertical line for years 1998, 2005 and 2010 for example. I tried with ggplot and qplot syntax, but still I either see no vertical line at all or the vertical line is drawn at the very first vertical grid and the whole series is shifted somewhat ...
How to select only the first rows for each unique value of a column
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126
A very simple answer if you say you don't care which address is used.
SELECT
CName, MIN(A...
Why does [5,6,8,7][1,2] = 8 in JavaScript?
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[1,2,3,4,5,6][1,2,3];
^ ^
| |
array + — array subscript access operation,
where index is `1,2,3`,
which is an expression that evaluates to `3`.
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enum - getting value of enum on string conversion
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197
You are printing the enum object. Use the .value attribute if you wanted just to print that:
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Right way to reverse pandas.DataFrame?
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data.reindex(index=data.index[::-1])
or simply:
data.iloc[::-1]
will reverse your data frame, if you want to have a for loop which goes from down to up you may do:
for idx in reversed(data.index):
print(idx, data.loc[idx, 'Even'], data.loc[idx, 'Od...
How can I make a div stick to the top of the screen once it's been scrolled to?
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21 Answers
21
Active
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Read/write to Windows registry using Java
...class WinRegistry {
public static final int HKEY_CURRENT_USER = 0x80000001;
public static final int HKEY_LOCAL_MACHINE = 0x80000002;
public static final int REG_SUCCESS = 0;
public static final int REG_NOTFOUND = 2;
public static final int REG_ACCESSDENIED = 5;
private static final int ...
How do I download a tarball from GitHub using cURL?
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148
Use the -L option to follow redirects:
curl -L https://github.com/pinard/Pymacs/tarball/v0.24...
