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Can I use __init__.py to define global variables?

I want to define a constant that should be available in all of the submodules of a package. I've thought that the best place would be in in the __init__.py file of the root package. But I don't know how to do this. Suppose I have a few subpackages and each with several modules. How can I access th...
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Xcode Command /usr/bin/codesign failed with exit code 1 : errSecInternalComponent

... Open Keychain Access, then in the File menu select Lock All Keychains. Then go back to Xcode and clean and rebuild. It will prompt you for your password again to unlock the keychain. After this, assuming you have no other compile issues, it will succeed! ...
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HTTP Error 404.3 - Not Found" while browsing wcf service on Windows Server 2008(64bit)

...s Server 2012... From the Server Manager, click on Add roles and features, select the appropriate server, then select Features. Under .NET Framework 4.5 Features, you'll see WCF Services, and under that, you'll find HTTP Activation." ...
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How to convert JSON data into a Python object

...ry, the order of items will directly correspond.". Good to know for such small, local code blocks. I'd add a comment though to explicitly alert maintainers of code of such a dependency. – cfi Jun 1 '16 at 7:33 ...
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How to generate a new Guid in stored procedure?

... using SQL Server. I'm sure other database system have similar functions. select NEWID() If you're using Oracle then you can use the SYS_GUID() function. Check out the answer to this question: Generate a GUID in Oracle sh...
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List all commits (across all branches) for a given file

... a file and show its branch graph in SourceTree? Right click on a file and select "Log Selected..." doesn't show history on all branches. – aleung Mar 13 '17 at 8:45 add a com...
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How to implement a good __hash__ function in python [duplicate]

... are equal. It also shouldn't change over the lifetime of the object; generally you only implement it for immutable objects. A trivial implementation would be to just return 0. This is always correct, but performs badly. Your solution, returning the hash of a tuple of properties, is good. But note...
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Capturing Groups From a Grep RegEx

...egex="[0-9]+_([a-z]+)_[0-9a-z]*" for f in $files # unquoted in order to allow the glob to expand do if [[ $f =~ $regex ]] then name="${BASH_REMATCH[1]}" echo "${name}.jpg" # concatenate strings name="${name}.jpg" # same thing stored in a variable else ...
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How to assign colors to categorical variables in ggplot2 that have stable mapping?

...maintain consistent color schemes across multiple data frames that are not all obtained by subsetting a single large data frame. Managing the factors levels in multiple data frames can become tedious if they are being pulled from separate files and not all factor levels appear in each file. One way...
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Get event listeners attached to node using addEventListener

... You can't. The only way to get a list of all event listeners attached to a node is to intercept the listener attachment call. DOM4 addEventListener Says Append an event listener to the associated list of event listeners with type set to type, listener set to ...