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Using JQuery to check if no radio button in a group has been checked

...radio"><input id="job1" type="radio" name="job" value="1" checked>New Job</label> <label class="radio"><input id="job2" type="radio" name="job" value="2">Updating Job</label> <button type="button" class="btn btn-primary" onclick="save();">Save</button> ...
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Does Swift support reflection?

...add functionality to all instances). The ability to generate and assign a new sub-class on the fly. (add functionality to a given instance) One shortcoming of this functionality is support for Swift optional value types. For example Int properties can be enumerated and modified but Int? properti...
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How to check if a database exists in SQL Server?

...TS ( SELECT name FROM master.dbo.sysdatabases WHERE name = N'New_Database' ) BEGIN SELECT 'Database Name already Exist' AS Message END ELSE BEGIN CREATE DATABASE [New_Database] SELECT 'New Database is Created' END ...
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LINQ to Entities only supports casting EDM primitive or enumeration types with IEntity interface

...allows collection.FirstOrDefault() to run correctly as it likely returns a new instance of T calling a default ctor on a class based type. – War May 8 '19 at 13:03 ...
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Force CloudFront distribution/file update

... Good news. Amazon finally added an Invalidation Feature. See the API Reference. This is a sample request from the API Reference: POST /2010-08-01/distribution/[distribution ID]/invalidation HTTP/1.0 Host: cloudfront.amazonaws.c...
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Can I use view pager with views (not with fragments)

...super } } // Set the ViewPager adapter WizardPagerAdapter adapter = new WizardPagerAdapter(); ViewPager pager = (ViewPager) findViewById(R.id.pager); pager.setAdapter(adapter); share | impro...
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Get names of all keys in the collection

... You can use aggregation with the new $objectToArray aggregation operator in version 3.4.4 to convert all top key-value pairs into document arrays, followed by $unwind and $group with $addToSet to get distinct keys across the entire collection. (Use $$ROOT fo...
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How to exclude a module from a Maven reactor build?

...instead you would have to change the CI configuration everytime there is a new module. -pl,--projects <arg> Comma-delimited list of specified reactor projects to build instead of all projects. A project can...
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How to differ sessions in browser-tabs?

...sirable, and I would be very annoyed at a site that made me login for each new tab, since I use tabs very intensively URL rewriting. Any URL on the site has a session ID appended to it. This is more work (you have to do something everywhere you have a site-internal link), but makes it possible to ha...
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Spring .properties file: get element as an Array

...onProperties public class Configuration { List<String> values = new ArrayList<>(); public List<String> getValues() { return values; } } This is needed, without this class or without the values in class it is not working. Spring Boot Application class impo...