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How do I use a custom Serializer with Jackson?
... good way. But if you don't mind a custom serializer, there's no need to write one 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.writeNu...
How to initialize HashSet values by construction?
I need to create a Set with initial values.
23 Answers
23
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How can I test that a value is “greater than or equal to” in Jasmine?
...follow
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edited Jun 4 '19 at 22:43
answered Sep 9 '15 at 9:02
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How do I make an HTML text box show a hint when empty?
I want the search box on my web page to display the word "Search" in gray italics. When the box receives focus, it should look just like an empty text box. If there is already text in it, it should display the text normally (black, non-italics). This will help me avoid clutter by removing the label....
Submit form using a button outside the tag
...e the form attribute to do this.
As far as I know, you cannot do this without javascript.
Here's what the spec says
The elements used to create controls generally appear inside a FORM
element, but may also appear outside of a FORM element declaration
when they are used to build user in...
Delete specified file from document directory
I want to delete an image from my app document directory. Code I have written to delete image is:
10 Answers
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Serializing an object as UTF-8 XML in .NET
Proper object disposal removed for brevity but I'm shocked if this is the simplest way to encode an object as UTF-8 in memory. There has to be an easier way doesn't there?
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When is a CDATA section necessary within a script tag?
....g. when an XHTML page is interpreted as XML) and you want to be able to write literal i<10 and a && b instead of i&lt;10 and a &amp;&amp; b, as XHTML will parse the JavaScript code as parsed character data as opposed to character data by default. This is not an issue with sc...
Pros and cons of Java rules engines [closed]
...t
system might involve code to calculate
a discount:
if (product.quantity > 100 && product.quantity < 500) {
product.discount = 2;
} else if (product.quantity >= 500 && product.quantity < 2000) {
product.discount = 5;
} else if (product.quantity >= 2000) {
p...
Attempt to present UIViewController on UIViewController whose view is not in the window hierarchy
... I had an issue where I was attempting to present a modal view controller within the viewDidLoad method. The solution for me was to move this call to the viewDidAppear: method.
My presumption is that the view controller's view is not in the window's view hierarchy at the point that it has been load...