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How can I profile Python code line-by-line?
...
I believe that's what Robert Kern's line_profiler is intended for. From the link:
File: pystone.py
Function: Proc2 at line 149
Total time: 0.606656 s
Line # Hits Time Per Hit % Time Line Contents
=================================================...
(Mac) -bash: __git_ps1: command not found
...r - in git's development history this is after a commit that split out the __git_ps1 function from the completion functionality into a new file (git-prompt.sh). The commit that introduced this change, which explains the rationale, is af31a456.
I would still suggest that you just source the version...
Is there a way to instantiate objects from a string holding their class name?
...ce() { return new T; }
typedef std::map<std::string, Base*(*)()> map_type;
map_type map;
map["DerivedA"] = &createInstance<DerivedA>;
map["DerivedB"] = &createInstance<DerivedB>;
And then you can do
return map[some_string]();
Getting a new instance. Another idea is ...
Converting integer to string in Python
... string is done with the builtin str() function, which basically calls the __str__() method of its parameter.
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How to convert a scala.List to a java.util.List?
...1,2,3))
From Scala 2.8 onwards:
import scala.collection.JavaConversions._
import scala.collection.mutable.ListBuffer
asList(ListBuffer(List(1,2,3): _*))
val x: java.util.List[Int] = ListBuffer(List(1,2,3): _*)
However, asList in that example is not necessary if the type expected is a Java List,...
What is getattr() exactly and how do I use it?
...answered Apr 10 '19 at 9:42
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Will the base class constructor be automatically called?
...ered Oct 31 '12 at 19:21
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Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
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Using GHC 7.0.3, gcc 4.4.6, Linux 2.6.29 on an x86_64 Core2 Duo (2.5GHz) machine, compiling using ghc -O2 -fllvm -fforce-recomp for Haskell and gcc -O3 -lm for C.
Your C routine runs in 8.4 seconds (faster than your run probably because of -O3)
The Haskell solution runs in...
Determine function name from within that function (without using traceback)
...t want to play with the stack yourself, you should either use "bar" or bar.__name__ depending on context.
The given rejection notice is:
This PEP is rejected. It is not clear how it should be implemented or what the precise semantics should be in edge cases, and there aren't enough important us...
Real world example about how to use property feature in python?
...changing terms.
Complex calculation hidden behind an attribute:
class PDB_Calculator(object):
...
@property
def protein_folding_angle(self):
# number crunching, remote server calls, etc
# all results in an angle set in 'some_angle'
# It could also reference a ca...