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How to split/partition a dataset into training and test datasets for, e.g., cross validation?
...escribes, you can just use the following instructions:
from sklearn.model_selection import train_test_split
data, labels = np.arange(10).reshape((5, 2)), range(5)
data_train, data_test, labels_train, labels_test = train_test_split(data, labels, test_size=0.20, random_state=42)
This way you can ...
Visual Studio can't build due to rc.exe
...ave Visual Studio 2017 or 2019, and you installed Build Tools 2015 without selecting to install its own 2015 Windows SDK (default installation does not install it!), and are trying to use it to compile, you may run into this problem.
In my case, I already had Visual Studio 2017. When I tried to use ...
jQuery empty() vs remove()
...
empty() will empty the selection of its contents, but preserve the selection itself.
remove() will empty the selection of its contents and remove the selection itself.
Consider:
<div>
<p><strong>foo</strong></p>
&...
How to change folder with git bash?
...
Go to the directory manually and do right click → Select 'Git bash' option.
Git bash terminal automatically opens with the intended directory. For example, go to your project folder. While in the folder, right click and select the option and 'Git bash'. It will open automat...
ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
... find out valid service names, you can use the following query in oracle:
select value from v$parameter where name='service_names'
Once I updated tnsnames.ora to:
TEST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = *<validhost>*)(PORT = *<validport>*...
Resolving LNK4098: defaultlib 'MSVCRT' conflicts with
...ry time I want to create an application in VC++.
Right-click the project, select Properties then under 'Configuration properties | C/C++ | Code Generation', select "Multi-threaded Debug (/MTd)" for Debug configuration.
Note that this does not change the setting for your Release configuration - you...
Show data on mouseover of circle
...and you don't need the mousehandler. The code would be something like
vis.selectAll("circle")
.data(datafiltered).enter().append("svg:circle")
...
.append("svg:title")
.text(function(d) { return d.x; });
If you want fancier tooltips, you could use tipsy for example. See here for an ex...
WCF - How to Increase Message Size Quota
...the issue:
Right-Click on the Config File node at the bottom of the tree
Select Edit with SvcConfigEditor
A list of editable settings will appear, including MaxBufferSize.
Note: Auto-generated proxy clients also set MaxBufferSize to 65536 by default.
...
C# - Selectively suppress custom Obsolete warnings
... },
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true,enableSnippets:true
});
}
});
...
android get real path by Uri.getPath()
...
This is what I do:
Uri selectedImageURI = data.getData();
imageFile = new File(getRealPathFromURI(selectedImageURI));
and:
private String getRealPathFromURI(Uri contentURI) {
String result;
Cursor cursor = getContentResolver().query(cont...