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How to serialize Joda DateTime with Jackson JSON processor?

... This has become very easy with Jackson 2.0 and the Joda module. ObjectMapper mapper = new ObjectMapper(); mapper.registerModule(new JodaModule()); Maven dependency: <dependency> <groupId>com.fasterxml.jackson.datatype</groupId> <artifactI...
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How do you build a Singleton in Dart?

...all when it's really a constructor definition. There's the _internal name. And there's the nifty language design point that Dart lets you start out (dart out?) using an ordinary constructor and then, if needed, change it to a factory method without changing all the callers. – J...
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Input placeholders for Internet Explorer

...s, one I saw was jQuery-html5-placeholder. I tried the demo out with IE9, and it looks like it wraps your <input> with a span and overlays a label with the placeholder text. <label>Text: <span style="position: relative;"> <input id="placeholder1314588474481" name="text" ...
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Correct way to quit a Qt program?

How should I quit a Qt Program, e.g when loading a data file, and discovered file corruption, and user need to quit this app or re-initiate data file? ...
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How to drop into REPL (Read, Eval, Print, Loop) from Python code

...trary point in its execution, even if the script was launched from the command line? 6 Answers ...
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When should I use the new keyword in C++?

I've been using C++ for a short while, and I've been wondering about the new keyword. Simply, should I be using it, or not? ...
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'0000-00-00 00:00:00' can not be represented as java.sql.Timestamp error

...read use with other languages. So, if I "just change the database", thousands of lines of PHP code will break. Java programmers need to accept the MySQL zero-date and they need to put a zero date back into the database, when other languages rely on this "feature". A programmer connecting to MySQ...
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Cannot set boolean values in LocalStorage?

...e, as written in the description of Equal (==) in MDC*: If the two operands are not of the same type, JavaScript converts the operands then applies strict comparison. If either operand is a number or a boolean, the operands are converted to numbers if possible; else if either operand is a string...
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Rails 3: “field-with-errors” wrapper changes the page appearance. How to avoid this?

... One little question: Why both the label and the input are wrapped ? How Rails decide what to wrap ? – Misha Moroshko Mar 11 '11 at 2:03 ...
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How do I convert a string to a lower case representation?

... thx a lot I completely missed the strings package :) and googling didn't bring up anything – oers May 2 '12 at 10:16 3 ...