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How to replace NaN values by Zeroes in a column of a Pandas Dataframe?
...360 -0.229738
4 0.000000 0.000000
To fill the NaNs in only one column, select just that column. in this case I'm using inplace=True to actually change the contents of df.
In [12]: df[1].fillna(0, inplace=True)
Out[12]:
0 0.000000
1 0.570994
2 0.000000
3 -0.229738
4 0.000000
Name...
How to get highcharts dates in the x axis?
... The sample link is not working any more. Nothing happens when we select Run.
– Simsons
Jun 20 '18 at 8:20
1
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How to securely store access token and secret in Android?
...
From your Android Studio's Project pane, select "Project Files" and create a new file named "keystore.properties" in your project's root directory.
Open "keystore.properties" file and save your Access Token and Secret in the file.
Now load the read the Acc...
How do you make a WPF slider snap only to discrete integer positions?
...0, 20, ...) but all the values in-between (1, 2, ...) are valid and can be selected with e.g. arrow keys.
– mkjeldsen
Feb 20 '13 at 6:45
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Elastic search, multiple indexes vs one index and types for different data sets?
... points to consider:
number of shards can be customized per solution you select. You may have one index with 15 primary shards, or split it to 3 indexes for 5 shards - performance perspective won't change (assuming data are distributed equally)
think about data usage. Ie. if you use kibana to visu...
Repeater, ListView, DataList, DataGrid, GridView … Which to choose?
...plate
lnsertltemTemplate
ItemSeparatorTemplate
ItemTemplate
LayoutTemplate
SelectedltemTemplate
DataList (note the Style pairs)
AlternatingltemStyle
AlternatingltemTemplate
EditltemStyle
EditltemTemplate
FooterStyle
FooterTemplate
HeaderStyle
HeaderTemplate
ItemStyle
ItemTemplate
SelectedltemSty...
Find unique rows in numpy.array
...
As of NumPy 1.13, one can simply choose the axis for selection of unique values in any N-dim array. To get unique rows, one can do:
unique_rows = np.unique(original_array, axis=0)
share
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How do I use a custom Serializer with Jackson?
...s for the same class registered with the same Module, then the Module will select the serializer for that class that is most recently added to the list. This should not be used - it's confusing and I am not sure how consistent this is
Moral: if you want to customize serialization of primitives in y...
Append column to pandas dataframe
...efore you join() or concat() if you trying to deal with some data frame by selecting some rows from another DataFrame.
One example below shows some interesting behavior of join and concat:
dat1 = pd.DataFrame({'dat1': range(4)})
dat2 = pd.DataFrame({'dat2': range(4,8)})
dat1.index = [1,3,5,7]
dat...
Finding a branch point with Git?
...ed from master):
or here (as viewed from topic):
in both cases, I've selected the commit that is B in my graph. Once you click on it, its full SHA is presented in a text input field just below the graph.
2. visually, but from the terminal:
git log --graph --oneline --all
(Edit/side-note:...