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Mongo: find items that don't have a certain field
How to search for documents in a collection that are missing a certain field in MongoDB?
2 Answers
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How to skip “are you sure Y/N” when deleting files in batch files
...can't for the life of me remember how to bypass the annoying prompt are you sure? Y/N when deleting files.
4 Answers
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What exactly does git rebase --skip do?
I just did a git pull --rebase origin master and there was a conflict.
1 Answer
1
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List All Redis Databases
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There is no command to do it (like you would do it with MySQL for instance). The number of Redis databases is fixed, and set in the configuration file. By default, you have 16 databases. Each database is identified by a number (not a name).
You can use the foll...
Using GSON to parse a JSON array
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Problem is caused by comma at the end of (in your case each) JSON object placed in the array:
{
"number": "...",
"title": ".." , //<- see that comma?
}
If you remove them your data will become
[
{
"number": "3...
How do you include Xml Docs for a class library in a NuGet package?
I am creating a NuGet package for a C# class library, and I would like to include generated Xml Documentation with the library. This is my nuspec file:
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Django self-referential foreign key
I'm kind of new to webapps and database stuff in general so this might be a dumb question. I want to make a model ("CategoryModel") with a field that points to the primary id of another instance of the model (its parent).
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HTTP Basic Authentication - what's the expected web browser experience?
When a server allows access via Basic HTTP Authentication, what is the experience expected to be in a web browser ?
6 Answ...
How to create abstract properties in python abstract classes
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Since Python 3.3 a bug was fixed meaning the property() decorator is now correctly identified as abstract when applied to an abstract method.
Note: Order matters, you have to use @property before @abstractmethod
Python 3.3+: (python docs):
cl...
What does the tilde (~) mean in my composer.json file?
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Tilde means next significant release. In your case, it is equivalent to >= 2.0, < 3.0.
The full explanation is at Tilde Version Range docs page:
The ~ operator is best explained by example: ~1.2 is equivalent to >=1.2 <2.0.0, while ~1.2.3 is equivalen...