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How to conditionally push an item in an observable array?
...s not already present. Is there any "find" function or recommended pattern for achieving this in KnockoutJS?
4 Answers
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What are best practices for multi-language database design? [closed]
... the best way to create multi-language database? To create localized table for every table is making design and querying complex, in other case to add column for each language is simple but not dynamic, please help me to understand what is the best choose for enterprise applications
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How to access parent scope from within a custom directive *with own scope* in AngularJS?
I'm looking for any manner of accessing the "parent" scope within a directive. Any combination of scope, transclude, require, passing in variables (or the scope itself) from above, etc. I'm totally willing to bend over backwards, but I want to avoid something totally hacky or unmaintainable. For ...
Confirm deletion in modal / dialog using Twitter Bootstrap?
... table of rows tied to database rows. I'd like to have a "delete row" link for each row, but I would like to confirm with the user beforehand.
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find vs find_by vs where
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Model.all
Model.first
find_by is used as a helper when you're searching for information within a column, and it maps to such with naming conventions. For instance, if you have a column named name in your database, you'd use the following syntax:
Model.find_by(name: "Bob")
.where is more of a ...
Difference between initLoader and restartLoader in LoaderManager
...stion you need to dig into the LoaderManager code.
While the documentation for LoaderManager itself isn't clear enough (or there wouldn't be this question), the documentation for LoaderManagerImpl, a subclass of the abstract LoaderManager, is much more enlightening.
initLoader
Call to initiali...
How do I concatenate strings and variables in PowerShell?
..., yes "... $name ..." will work all the same, but in the original question for which this answer addresses, the question is how to access object properties. so if $name.id -eq 42 then "... $name.id ..." would not work like you want because it would render like ... @{id=42}.id ... instead of the desi...
Can you do greater than comparison on a date in a Rails 3 search?
...tirely true; where() automatically escapes the input when it's used in the format shown above with question-marks in place of variables, with them listed afterwards in the function call. It is NOT safe to use it in this way: Note.where("date > #{p[:date]}")
– bdx
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Rails has_and_belongs_to_many migration
I have two models restaurant and user that I want to perform a has_and_belongs_to_many relationship.
4 Answers
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How to convert a List into a comma separated string without iterating List explicitly [dupli
...trings which contain ", " in your list) - obviously, List#toString will perform a loop to create idList but it does not appear in your code:
List<String> ids = new ArrayList<String>();
ids.add("1");
ids.add("2");
ids.add("3");
ids.add("4");
String idList = ids.toString();
String csv = i...