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Nested JSON objects - do I have to use arrays for everything?
...
204
You don't need to use arrays.
JSON values can be arrays, objects, or primitives (numbers or str...
How do I replace NA values with zeros in an R dataframe?
...:10), 100, replace = TRUE), 10)
> d <- as.data.frame(m)
V1 V2 V3 V4 V5 V6 V7 V8 V9 V10
1 4 3 NA 3 7 6 6 10 6 5
2 9 8 9 5 10 NA 2 1 7 2
3 1 1 6 3 6 NA 1 4 1 6
4 NA 4 NA 7 10 2 NA 4 1 8
5 1 2 4 NA 2 6 2 6 7 4
6 NA 3 NA NA 10 2 1 10 8 4
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how to check redis instance version?
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answered Feb 4 '14 at 15:03
Aviram NetanelAviram Netanel
9,57577 gold badges3434 silver badges6161 bronze badges
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vertical & horizontal lines in matplotlib
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Ajasja
67911 gold badge1414 silver badges2020 bronze badges
answered Jun 5 '13 at 2:18
Bennett BrownBennett Brown
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Extract elements of list at odd positions
... second at 1 etc.):
1, 3, 5
so the result (actual numbers) will be:
2, 4, 6
Explanation
The [1::2] at the end is just a notation for list slicing. Usually it is in the following form:
some_list[start:stop:step]
If we omitted start, the default (0) would be used. So the first element (at po...
Regular expressions in C: examples?
...ning of passing 0 to regcomp? regcomp only takes four integer values 1, 2, 4 and 8 to represent 4 different modes.
– lixiang
Sep 21 '13 at 7:40
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How to change line width in ggplot?
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mnelmnel
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add a...
Assign pandas dataframe column dtypes
...05-01
1 b 2 2018-05-02
df.dtypes
x object
y int64
z datetime64[ns]
dtype: object
and confirm the dtype is updated.
OLD/DEPRECATED ANSWER for pandas 0.12 - 0.16: You can use convert_objects to infer better dtypes:
In [21]: df
Out[21]:
x y
0 a 1
1 b 2
In [...
Compare version numbers without using split function
...ming your inputs are strings, here's a working sample with the normal .NET 4-part version string:
static class Program
{
static void Main()
{
string v1 = "1.23.56.1487";
string v2 = "1.24.55.487";
var version1 = new Version(v1);
var version2 = new Version(v2...
Why does (1 in [1,0] == True) evaluate to False?
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answered Feb 14 '12 at 21:26
Sven MarnachSven Marnach
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