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Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)
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72
Oh my. This is actually so simple!
grouped = df3.groupby(level=0)
df4 = grouped.last()
df4
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How can I get the latest JRE / JDK as a zip file rather than EXE or MSI installer? [closed]
... where you can RWX (e.g. C:\jdk8)
Download jdk exe from Oracle (e.g. jdk-8u72-windows-x64.exe)
Unzip the tools.zip found inside it into the destination folder
In cmd.exe, run:
cd C:\jdk8
for /r %x in (*.pack) do .\bin\unpack200 -r "%x" "%~dx%~px%~nx.jar"
This solution works for JDK 8 too, witho...
Differences between Oracle JDK and OpenJDK
... Oracle and the open Java community.
OpenJDK is released under license GPL v2 wherein Oracle JDK is licensed under Oracle Binary Code License Agreement.
Actually, Oracle JDK’s build process builds from OpenJDK source code. So there is no major technical difference between Oracle JDK and OpenJDK.
A...
Designing function f(f(n)) == -n
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72
technically... this is not what the question demands. you defined 2 f() functions, f(int) and f(float) and the questions asks "Design a fun...
Adding a directory to the PATH environment variable in Windows
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MultiplyByZer0
3,73333 gold badges2727 silver badges4646 bronze badges
answered Mar 3 '12 at 13:03
JimRJimR
13.1k...
Python function overloading
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my_character = Character(pretty_and_fast_factory(), a1, a2, kw1=v1, kw2=v2)
my_character.add_bullet() # uses pretty_and_fast_factory
# now, if you have another factory called "ugly_and_slow_factory"
# you can change it at runtime in python by issuing
my_character.bfactory = ugly_and_slow_factor...
In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?
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72
awalker's answer helped me a lot!
I've changed his example to work with Django 1.3, using get_...
Any reason to write the “private” keyword in C#?
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Jon SkeetJon Skeet
1211k772772 gold badges85588558 silver badges88218821 bronze badges
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Why not infer template parameter from constructor?
...id:
Variable v1( 10); // Variable<int>
// Some code here
Variable v2( 20.4); // Variable<double>
Now, I have the same type name (Variable) in the code for two different types (Variable and Variable). From my subjective point of view, it affects the readability of the code pretty muc...
Best way to read a large file into a byte array in C#?
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I might argue that the answer here generally is "don't". Unless you absolutely need all the dat...