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How do I use a custom Serializer with Jackson?

...for Item but rather one for User -- if so, it'd be as simple as: public void serialize(Item value, JsonGenerator jgen, SerializerProvider provider) throws IOException, JsonProcessingException { jgen.writeNumber(id); } Yet another possibility is to implement JsonSerializable, in which ca...
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Unique constraint on multiple columns

...e resuting table definition would be: CREATE TABLE [dbo].[user]( [userID] [int] IDENTITY(1,1) NOT NULL, [fcode] [int] NULL, [scode] [int] NULL, [dcode] [int] NULL, [name] [nvarchar](50) NULL, [address] [nvarchar](50) NULL, CONSTRAINT [PK_user_1] PRIMARY KEY CLUSTERED ...
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PHP ORMs: Doctrine vs. Propel

...or symfony it is better supported (even though officially the ORMs are considered equal). Furthermore I better like the way you work with queries (DQL instead of Criteria): <?php // Propel $c = new Criteria(); $c->add(ExamplePeer::ID, 20); $items = ExamplePeer::doSelectJoinFoobar($c); // Do...
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How to fix “no valid 'aps-environment' entitlement string found for application” in Xcode 4.3?

... If you created your provisioning profile before configuring the app ID for push, try to regenerate the provisioning profile. iOS Provisioning Portal -> Provisioning -> Your cert -> EDIT -> Make an edit -> Download new provisioning Worked for me. Now i'm able to use pus...
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How do I drop table variables in SQL-Server? Should I even do this?

...nd of patch or scope, it's dropped automatically only if it was created inside stored procedure and stored procedure finished executing – Abou-Emish Oct 18 '17 at 18:52 add a ...
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What to do with commit made in a detached head

... how does one avoid detaching heads in the future? – ycomp Mar 4 '16 at 4:17 ...
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How to make connection to Postgres via Node.js

... //queries can be executed either via text/parameter values passed as individual arguments //or by passing an options object containing text, (optional) parameter values, and (optional) query name client.query({ name: 'insert beatle', text: "INSERT INTO beatles(name, height, birthday) values...
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How to add images in select list?

...; Better yet, you can separate HTML and CSS like that HTML <select id="gender"> <option>male</option> <option>female</option> <option>others</option> </select> CSS select#gender option[value="male"] { background-image:url(male.png); ...
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z-index not working with position absolute

...p someone. If you are trying to display the contents of the container outside of the boundaries of the container, make sure that it doesn't have overflow:hidden, otherwise anything outside of it will be cut off. share ...
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Creating a segue programmatically

... runtime that creates them for you. You can normally call performSegueWithIdentifier: in your view controller's code, but this relies on having a segue already set up in the storyboard to reference. What I think you are asking though is how you can create a method in your common view controller (b...