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How to find the installed pandas version
...]: import pandas as pd
In [77]: pd.__version__
Out[77]: '0.12.0-933-g281dc4e'
Pandas also provides a utility function, pd.show_versions(), which reports the version of its dependencies as well:
In [53]: pd.show_versions(as_json=False)
INSTALLED VERSIONS
------------------
commit: None
python: 2...
SQL Logic Operator Precedence: And and Or
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What is the fastest integer division supporting division by zero no matter what the result is?
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Where can I find a NuGet package for upgrading to System.Web.Http v5.0.0.0?
Just upgraded an ASP.NET MVC4 project to use Unity.WebApi version 5.0.0.0 and it requires System.Web.Http v 5.0.0.0 as per the following error:
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What does this square bracket and parenthesis bracket notation mean [first1,last1)?
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Numbering rows within groups in a data frame
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284
Use ave, ddply, dplyr or data.table:
df$num <- ave(df$val, df$cat, FUN = seq_along)
or:
l...
Custom numeric format string to always display the sign
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edited May 24 '16 at 21:50
Craig
6,14733 gold badges2828 silver badges4747 bronze badges
a...
Why does Math.round(0.49999999999999994) return 1?
...Java 7 no longer mandates this broken implementation.3
The problem
0.5+0.49999999999999994 is exactly 1 in double precision:
static void print(double d) {
System.out.printf("%016x\n", Double.doubleToLongBits(d));
}
public static void main(String args[]) {
double a = 0.5;
double b = 0...
How to configure PostgreSQL to accept all incoming connections
...this be configured in the pg_hba.conf file? I'm using postgreSQL version 8.4.
5 Answers
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