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Confused about __str__ on list in Python [duplicate]
Coming from a Java background, I understand that __str__ is something like a Python version of toString (while I do realize that Python is the older language).
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ERROR: Error 1005: Can't create table (errno: 121)
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I searched quickly for you, and it brought me here. I quote:
You will get this message if you're trying to add a constraint with a
name that's already used somewhere else
To check constraints use the following SQL query:
SELECT
constraint_n...
Reusing output from last command in Bash
Is the output of a Bash command stored in any register? E.g. something similar to $? capturing the output instead of the exit status.
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How can I tell Rails to use RSpec instead of test-unit when creating a new Rails app?
I have test-unit installed and rspec installed (along with -core , -expectations , -mocks and -rails version 2.6.x). When I run the command rails new foo , it uses test-unit to generate the test stub files instead of rspec .
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C++ error: undefined reference to 'clock_gettime' and 'clock_settime'
...ut I can't seem to get this to work. It works fine on my school computers and I don't know what I am not doing. I have checked usr/include and time.h is there just fine. Here is the code:
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What is the most “pythonic” way to iterate over a list in chunks?
...rks for any iterable (not just sequences as the above code); it is concise and probably just as fast or even faster. Though it might be a bit obscure (unclear) for people unfamiliar with itertools module.
– jfs
Jan 12 '09 at 14:39
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How to extract custom header value in Web API message handler?
I currently have a message handler in my Web API service that overrides 'SendAsync' as follows:
10 Answers
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How to prevent auto-closing of console after the execution of batch file
What command can I put at the end of a batch file to prevent auto-closing of the console after the execution of the file?
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Lightweight Javascript DB for use in Node.js [closed]
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I'm only familiar with Mongo and Couch, but there's also one named Persistence.
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Swift days between two NSDates
I'm wondering if there is some new and awesome possibility to get the amount of days between two NSDates in Swift / the "new" Cocoa?
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