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“ValueError: zero length field name in format” error in Python 3.0,3.1,3.2
I'm trying learn Python (3 to be more specific) and I'm getting this error:
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Python call function within class
I have this code which calculates the distance between two coordinates. The two functions are both within the same class.
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Devise - How do I forbid certain users from signing in?
I am using Devise for authentication in my application.
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shell init issue when click tab, what's wrong with getcwd?
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Homebrew’s `git` not using completion
When using OSX’s git, after I modify a file I can simply do git commit <tab> , and that’ll auto complete the file’s name to the one that was modified. However, if I install a newer version of git from homebrew and I use it, that feature no longer works (meaning I press <tab> and...
jQuery append fadeIn
Similar to: Using fadein and append
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Python argparse command line flags without arguments
How do I add an optional flag to my command line args?
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Akka Kill vs. Stop vs. Poison Pill?
Newbie question of Akka - I'm reading over Akka Essentials, could someone please explain the difference between Akka Stop/Poison Pill vs. Kill ? The book offers just a small explaination "Kill is synchronous vs. Poison pill is asynchronous." But in what way? Does the calling actor thread lock during...
Are PostgreSQL column names case-sensitive?
I have a db table say, persons in Postgres handed down by another team that has a column name say, "first_Name" . Now am trying to use PG commander to query this table on this column-name.
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Compare two Byte Arrays? (Java)
I have a byte array with a ~known binary sequence in it. I need to confirm that the binary sequence is what it's supposed to be. I have tried .equals in addition to == , but neither worked.
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