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How do I create test and train samples from one dataframe with pandas?
...ons/29576430/shuffle-dataframe-rows. test=df.drop(train.index).sample(frac=1.0)
– Alok Lal
Dec 5 '19 at 21:38
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show 3 more comments
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Random Number Between 2 Double Numbers
...
Keep in mind that since Random.NextDouble never returns 1.0, this function will also never equal the maximum number.
– Matthew
Jan 26 '12 at 20:46
6
...
IIS Express Windows Authentication
...oup>
Add following in the application's web.config
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<system.webServer>
<security>
<authentication>
<windowsAuthentication enabled="true" />
</authentication>
...
Is it feasible to do (serious) web development in Lisp? [closed]
...ne example.
Closure XML is available for XML parsing, serialization, XPath 1.0, XSLT 1.0.
There is also Closure HTML for HTML tag soup parsing.
(Full disclosure: I'm the maintainer of Closure XML and Closure HTML.)
If you like, Parenscript can make your JavaScript experience lispier, but you can al...
Difference between a View's Padding and Margin
...margin in a TextView:
xml layout for the image above
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
...
Why is Java Vector (and Stack) class considered obsolete or deprecated?
...
Vector was part of 1.0 -- the original implementation had two drawbacks:
1. Naming: vectors are really just lists which can be accessed as arrays, so it should have been called ArrayList (which is the Java 1.2 Collections replacement for Vecto...
Convert string to nullable type (int, double, etc…)
...rn null;
}
Then call it like this...
void doStuff()
{
string foo = "1.0";
double? myDouble = foo.ToNullablePrimitive<double>(double.TryParse);
foo = "1";
int? myInt = foo.ToNullablePrimitive<int>(int.TryParse);
foo = "haha";
int? myInt2 = foo.ToNullablePri...
How to make maven build platform independent?
...
1st line of my pom.xml is: <?xml version="1.0" encoding="UTF-8"?> I found the same warning in Windows 7: [WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent!
– Ripon Al Wasim
...
C# catch a stack overflow exception
... do). But it's good enough for logging!
In the .NET Framework versions 1.0 and 1.1, an unhandled exception that occurs in a thread other than the main application thread is caught by the runtime and therefore does not cause the application to terminate. Thus, it is possible for the UnhandledExce...
Unicode equivalents for \w and \b in Java regular expressions?
...s Regex Unicode Problems
The problem with Java regexes is that the Perl 1.0 charclass escapes — meaning \w, \b, \s, \d and their complements — are not in Java extended to work with Unicode. Alone amongst these, \b enjoys certain extended semantics, but these map neither to \w, nor to Unicode i...