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How do I pass multiple parameters in Objective-C?
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121
Objective-C doesn't have named parameters, so everything on the left side of a colon is part o...
Flask-SQLalchemy update a row's information
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213
Retrieve an object using the tutorial shown in the Flask-SQLAlchemy documentation. Once you hav...
Cannot change column used in a foreign key constraint
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127
The type and definition of foreign key field and reference must be equal.
This means your fore...
django admin - add custom form fields that are not part of the model
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158
Either in your admin.py or in a separate forms.py you can add a ModelForm class and then decla...
Heroku error: “Permission denied (public key)”
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217
Try heroku keys:add <path-to-your-public-key>.
For example, heroku keys:add ~/.ssh/id_r...
Where should Rails 3 custom validators be stored?
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221
If you place your custom validators in app/validators they will be automatically loaded without ...
Maximum Length of Command Line String
...he maximum length of the string that you can use at the command prompt is 8191 characters.
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