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How to search in array of object in mongodb
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You can do this in two ways:
ElementMatch - $elemMatch (as explained in above answers)
db.users.find({ awards: { $elemMatch: {award:'Turing Award', year:1977} } })
Use $and with find
db.getCollection('users').find({"$and":[{"aw...
SQL Server equivalent of MySQL's NOW()?
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You can also use CURRENT_TIMESTAMP, if you feel like being more ANSI compliant (though if you're porting code between database vendors, that'll be the least of your worries). It's exactly the same as GetDate() under the covers (s...
The maximum recursion 100 has been exhausted before statement completion
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option (maxrecursion 0)
That allows you to specify how often the CTE can recurse before generating an error. Maxrecursion 0 allows infinite recursion.
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ruby send method passing multiple parameters
Trying to create objects and call methods dynamically by
2 Answers
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How to get an element by its href in jquery?
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Yes, you can use jQuery's attribute selector for that.
var linksToGoogle = $('a[href="http://google.com"]');
Alternatively, if your interest is rather links starting with a certain URL, use the attribute-starts-with selector:
var ...
What is the function of the DBMDL File in VS database project
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From what I can make out, it is a serialized file of your db model and is used as a cache for improving the performance of deployment. It is unique per user thus should not be checked into source control.
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Position geom_text on dodged barplot
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665...
Open the file in universal-newline mode using the CSV Django module
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I believe you can simplify this. It seems odd to seek to the start after just opening the file. The following helped me overcome the same issue from an Excel spreadsheet export to CSV using the defaults: ...
How to use mysql JOIN without ON condition?
...om almost any other database. The effect is a cross join. Similarly, you can use an on clause with cross join, which also differs from standard SQL.
A cross join creates a Cartesian product -- that is, every possible combination of 1 row from the first table and 1 row from the second. The cross ...
mysql command for showing current configuration variables
Can not find a command that displays the current configuration of mysql from within the database.
3 Answers
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