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What is the difference between a JavaBean and a POJO?
...ter/setter naming, having a public default constructor, being serialisable etc. See JavaBeans Conventions for more details.
A POJO (plain-old-Java-object) isn't rigorously defined. It's a Java object that doesn't have a requirement to implement a particular interface or derive from a particular bas...
How can I define an interface for an array of objects with Typescript?
...u will get errors for all the Arrays properties and methods such as splice etc.
The solution is to create an interface that defines an array of another interface (which will define the object)
For example:
interface TopCategoriesProps {
data: Array<Type>;
}
interface Type {
category: s...
What is Domain Driven Design (DDD)? [closed]
...our problem domain, for example Users, Questions, Answers, Votes, Comments etc. Since the design is driven by the details of the problem domain it is called domain-driven design.
You can read more in Eric Evans' book.
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MySQL SELECT only not null values
...r. Right now when I select * I get val1,val2,val3,null,val4,val5,null,null etc.... but I just want to get the values that are not null in my result. Is this possible without filtering with a loop?
– bryan sammon
Mar 12 '11 at 21:06
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How do I create a foreign key in SQL Server?
... with EF4, so that I knew which contact table entry was for buyer, seller, etc.
– Tracker1
Jul 30 '12 at 21:30
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Difference between \w and \b regular expression meta characters
...ren't word characters include whitespace, beginning and end of the string, etc.)
\w matches a, b, c, d, e, and f in "abc def"
\b matches the (zero-width) position before a, after c, before d, and after f in "abc def"
See: http://www.regular-expressions.info/reference.html/
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How to access the request body when POSTing using Node.js and Express?
...he response. If you want the exact request body (with the same whitespace, etc), you will need data and end listeners attached to the request before and build up the string chunk by chunk as you can see in the json parsing source code from connect.
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Can I convert long to int?
...he unchecked keyword (as shown in this answer and @ChrisMarisic's comment, etc.) is not needed, and int myIntValue = (int)myLongValue is exactly equivalent. However do note that regardless of whether you use the unchecked keyword or not, you're getting the non-mathematical rude truncation behavior d...
PHP - concatenate or directly insert variables in string
...tuations when you want to embed object properties, multidimentional arrays etc.
That is, generally when reading embedded vars, you cannot be instantly 100% sure of the final behavior of what you are reading.
You frequently need add crutches such as {} and \, which IMO adds confusion and makes concat...
How do I select text nodes with jQuery?
..., but is not (e.g. the soft hyphen &shy; character, newlines \n, tabs, etc.), you can try using a Regular Expression. For example, \S will match any non-whitespace characters:
$('element')
.contents()
.filter(function(){
return this.nodeType === 3 && /\S/.tes...