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How to design a product table for many kinds of product where each product has many parameters
...stead, one table per product type, storing both common product attributes, and product-specific attributes.
Serialized LOB: One table for Products, storing attributes common to all product types. One extra column stores a BLOB of semi-structured data, in XML, YAML, JSON, or some other format. This...
JPA: what is the proper pattern for iterating over large result sets?
...only for Hibernate.
So it seems that using setFirstResult/setMaxResults and manual iteration really is necessary. Here's my solution using JPA:
private List<Model> getAllModelsIterable(int offset, int max)
{
return entityManager.createQuery("from Model m", Model.class).setFirstResult(o...
Textarea that can do syntax highlighting on the fly?
...xtarea.
If you're OK with that, try CodeMirror or Ace (formerly skywriter and bespin), or Monaco (used in MS VSCode).
From the duplicate thread - an obligatory wikipedia link: http://en.wikipedia.org/wiki/Comparison_of_JavaScript-based_source_code_editors
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How to integrate CSS pre-processing within Eclipse? [closed]
... when using nested css, but it's waaaaay better than looking at plain text and you don't need to install a separate editor.
You need to associate the .scss file type with the native Eclipse CSS Editor in Eclipse[Part 1]. After you do that, you need to add the .scss file type to the native CSS Edit...
How would you implement an LRU cache in Java?
...ructures would you use? I've already implemented one using LinkedHashMap and Collections#synchronizedMap , but I'm curious if any of the new concurrent collections would be better candidates.
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Best way to store JSON in an HTML attribute?
...o run into them, then store the data in a <script>. Define an object and map element ids to property names in that object.
What if the JSON contains special characters? (e.g. {test: '<"myString/>'})
Just follow the normal rules for including untrusted data in attribute values. Use ...
How can I split a string with a string delimiter? [duplicate]
...
string[] tokens = str.Split(new[] { "is Marco and" }, StringSplitOptions.None);
If you have a single character delimiter (like for instance ,), you can reduce that to (note the single quotes):
string[] tokens = str.Split(',');
...
Writing a compiler in its own language
...nguage Foo. You use the first bootstrap compiler to compile the compiler, and then use this compiled compiler to compile everything else (including future versions of itself).
Most languages are indeed created in this fashion, partially because language designers like to use the language they are ...
Should I size a textarea with CSS width / height or HTML cols / rows attributes?
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I recommend to use both. Rows and cols are required and useful if the client does not support CSS. But as a designer I overwrite them to get exactly the size I wish.
The recommended way to do it is via an external stylesheet e.g.
textarea {
widt...
How do I reverse an int array in Java?
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And I would like to put validData.length / 2 part to the outside of the for-loop.
– Jin Kwon
Mar 10 '14 at 3:28
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