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PHP - Extracting a property from an array of objects

...here are 2 solutions: First (Newer PHP versions) As @JosepAlsina said before the best and also shortest solution is to use array_column as following: $catIds = array_column($objects, 'id'); Notice: For iterating an array containing \stdClasses as used in the question it is only possible with P...
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Get value when selected ng-option changes

... data-ng-options="blisterPackTemplate as blisterPackTemplate.name for blisterPackTemplate in blisterPackTemplates"> <option value="">Select Account</option> </select> {{itemList}} </div> </div> js: function ctrl($scope) { $sc...
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List of lists changes reflected across sublists unexpectedly

...e that you create a new list at each position. One way to do it is [[1]*4 for _ in range(3)] which will reevaluate [1]*4 each time instead of evaluating it once and making 3 references to 1 list. You might wonder why * can't make independent objects the way the list comprehension does. That's ...
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How do I perform the SQL Join equivalent in MongoDB?

How do I perform the SQL Join equivalent in MongoDB? 19 Answers 19 ...
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MySQL - UPDATE query based on SELECT Query

... The first form (update with join) is going to be a lot more efficient than the second. The first would do a single join, whereas the second would execute the select query for every row of tableA. – ColinM ...
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How to fetch the row count for all tables in a SQL SERVER database [duplicate]

I am searching for a SQL Script that can be used to determine if there is any data (i.e. row count) in any of the tables of a given database. ...
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How do I kill all the processes in Mysql “show processlist”?

...use I see a lot of processes there, and the "time" column shows big values for all of them. 23 Answers ...
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How to extract the decision rules from scikit-learn decision-tree?

... feature_names[i] if i != _tree.TREE_UNDEFINED else "undefined!" for i in tree_.feature ] print "def tree({}):".format(", ".join(feature_names)) def recurse(node, depth): indent = " " * depth if tree_.feature[node] != _tree.TREE_UNDEFINED: name = f...
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How can I verify a Google authentication API access token?

... For user check, just post get the access token as accessToken and post it and get the response https://www.googleapis.com/oauth2/v1/tokeninfo?access_token=accessToken you can try in address bar in browsers too, use httppos...
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Get the latest record from mongodb collection

... @Digits what performance impact will it have if we place limit at the end also how last record is fetched when your are limiting the output to just one document and it must be the top document in collection. – kailash y...