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Search for “does-not-contain” on a DataFrame in pandas
...word myword NaN
1 myword NaN myword
2 myword myword NaN
Now running the command:
~df["second"].str.contains(word)
I get the following error:
TypeError: bad operand type for unary ~: 'float'
I got rid of the NULL values using dropna() or fillna() first and retried the command...
Get the IP address of the remote host
...est.RemoteIpAddress;
}
}
return null;
}
}
Now you can use it like this:
public class TestController : ApiController
{
[HttpPost]
[ActionName("TestRemoteIp")]
public string TestRemoteIp()
{
return Request.GetClientIpAddress();
}
}
...
Hibernate error - QuerySyntaxException: users is not mapped [from users]
...
Now this saved me actually.
– Anirudh
Apr 15 '19 at 16:02
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Tips for using Vim as a Java IDE? [closed]
I'm addicted to Vim, it's now my de facto way of editing text files.
7 Answers
7
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How to pass multiple parameters in a querystring
... attribute on the element with a construction
an indexed search via the now deprecated element
Web forms
The main use of query strings is to contain the content of an HTML form, also known as web form. In particular, when a form containing the fields field1, field2, field3 is submitted, the cont...
Implementing INotifyPropertyChanged - does a better way exist?
...nged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
}
...and now with C#7:
protected void OnPropertyChanged(string propertyName)
=> PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
protected bool SetField<T>(ref T field, T value,[CallerMemberName]...
Is there an exponent operator in C#?
... @Justas I just testing that on .NET Core 2.1 and Math.Pow is now faster than the suggested alternative implementation.
– bytedev
Dec 19 '18 at 11:19
...
Update Git branches from master
I'm new to Git, and now I'm in this situation:
9 Answers
9
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Fastest way(s) to move the cursor on a terminal command line?
... to implement command line input. And so to say, it is very convenient to know Readline bindings since it is used not only in bash. For example, gdb also uses Readline to process input.
In Readline documentation you can find all navigation related bindings (and more):
http://www.gnu.org/software/ba...
How to create id with AUTO_INCREMENT on Oracle?
...XTVAL
INTO :new.id
FROM dual;
END;
/
UPDATE:
IDENTITY column is now available on Oracle 12c:
create table t1 (
c1 NUMBER GENERATED by default on null as IDENTITY,
c2 VARCHAR2(10)
);
or specify starting and increment values, also preventing any insert into the identity colum...