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What is the best way to compare floats for almost-equality in Python?
...nown that comparing floats for equality is a little fiddly due to rounding and precision issues.
15 Answers
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Git Diff with Beyond Compare
...gainst is not being loaded. Only the latest version of the file is loaded and nothing else, so there is nothing in the right pane of Beyond Compare.
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Is there a WebSocket client implemented for Python? [closed]
I found this project: http://code.google.com/p/standalonewebsocketserver/ for a WebSocket server, but I need to implement a WebSocket client in python, more exactly I need to receive some commands from XMPP in my WebSocket server.
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Rails 2.3-style plugins and deprecation warnings running task in Heroku
I'm upgrading to Rails 3.2, and running rake db:migrate gives me several errors of the form:
8 Answers
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Python 3: UnboundLocalError: local variable referenced before assignment [duplicate]
...ather than relying on Globals
def function(Var1, Var2):
if Var2 == 0 and Var1 > 0:
print("Result One")
elif Var2 == 1 and Var1 > 0:
print("Result Two")
elif Var1 < 1:
print("Result Three")
return Var1 - 1
function(1, 1)
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How to bind function arguments without binding this?
...(arg1, arg2)
{
return function() { ... do your stuff with arg1 and arg2 ... };
}(actualArg1Value, actualArg2Value);
Hope I got the syntax right there. What it does is create a function called withWrappedArguments() (to be pedantic it is an anonymous function assigned to the variab...
Renaming a virtualenv folder without breaking it
I've created folder and initialized a virtualenv instance in it.
10 Answers
10
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How do I efficiently iterate over each entry in a Java Map?
If I have an object implementing the Map interface in Java and I wish to iterate over every pair contained within it, what is the most efficient way of going through the map?
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Are the days of passing const std::string & as a parameter over?
...t talk by Herb Sutter who suggested that the reasons to pass std::vector and std::string by const & are largely gone. He suggested that writing a function such as the following is now preferable:
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Is there a way to change the environment variables of another process in Unix?
... ("env_var_name=env_var_value")
(gdb) detach
This is quite a nasty hack and should only be done in the context of a debugging scenario, of course.
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