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Map enum in JPA with fixed values?
I'm looking for the different ways to map an enum using JPA. I especially want to set the integer value of each enum entry and to save only the integer value.
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Using the “final” modifier whenever applicable in Java [closed]
In Java, there is a practice of declaring every variable (local or class), parameter final if they really are.
25 Answers
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String to LocalDate
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As you use Joda Time, you should use DateTimeFormatter:
final DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyy-MMM-dd");
final LocalDate dt = dtf.parseLocalDate(yourinput);
If using Java 8 or later, then refer to hertzi's answer
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Convert form data to JavaScript object with jQuery
How do I convert all elements of my form to a JavaScript object?
51 Answers
51
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Assignment inside lambda expression in Python
I have a list of objects and I want to remove all objects that are empty except for one, using filter and a lambda expression.
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How to convert a std::string to const char* or char*?
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If you just want to pass a std::string to a function that needs const char* you can use
std::string str;
const char * c = str.c_str();
If you want to get a writable copy, like char *, you can do that with this:
std::strin...
ASP.NET MVC: No parameterless constructor defined for this object
I was following Steven Sanderson's ' Pro ASP.NET MVC Framework ' book. On page 132, in accordance with the author's recommendation, I downloaded the ASP.NET MVC Futures assembly, and added it to my MVC project. [Note: This could be a red herring.]
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CSS hexadecimal RGBA?
...y support 4 and 8-digit hexadecimal RGBA notation!
Three weeks ago (18th of December 2014) the CSS Color Module Level 4 editor's draft was submitted to the CSS W3C Working Group. Though in a state which is heavily susceptible to change, the current version of the document implies that in the somew...
How to create a template function within a class? (C++)
I know it's possible to make a template function:
4 Answers
4
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How to use auto-layout to move other views when a view is hidden?
...w) and two labels (titleLabel and emailLabel). Depending on data available for each row, sometimes I want to have UIView and two labels displayed in my cell and sometimes only two labels. What I am trying to do is to set constraints that way if I set UIView property to hidden or I will remove it fro...