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Difference between DTO, VO, POJO, JavaBeans?
...n is a class that follows the JavaBeans conventions as defined by Sun. Wikipedia has a pretty good summary of what JavaBeans are:
JavaBeans are reusable software components for Java that can be manipulated visually in a builder tool. Practically, they are classes written in the Java programming ...
Targeting both 32bit and 64bit with Visual Studio in same solution/project
I have a little dilemma on how to set up my visual studio builds for multi-targeting.
8 Answers
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Mythical man month 10 lines per developer day - how close on large projects? [closed]
Everybody always says that they can beat the "10 lines per developer per day" from the "Mythical Man Month", and starting a project, I can usually get a couple hundred lines in in a day.
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What does a Ajax call response like 'for (;;); { json data }' mean? [duplicate]
...tax being used on Facebook for Ajax calls. I'm confused on the for (;;); part in the beginning of response. What is it used for?
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How can I create a table with borders in Android?
I use a table layout to display data as table, but I want a table with user-defined columns and rows with borders. Suggestions?
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How can I get zoom functionality for images?
... common way to show a big image and enable the user to zoom in and out and pan the image?
13 Answers
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Check if at least two out of three booleans are true
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Rather than writing:
if (someExpression) {
return true;
} else {
return false;
}
Write:
return someExpression;
As for the expression itself, something like this:
boolean atLeastTwo(boolean a, boolean b, boolean c) {
return a ? (b || c) ...
throwing exceptions out of a destructor
Most people say never throw an exception out of a destructor - doing so results in undefined behavior. Stroustrup makes the point that "the vector destructor explicitly invokes the destructor for every element. This implies that if an element destructor throws, the vector destruction fails... The...
Most efficient way to store thousand telephone numbers
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Here's an improvement to aix's answer. Consider using three "layers" for the data structure: the first is a constant for the first five digits (17 bits); so from here on, each phone number has only the remaining five digits left. We view...
Significant new inventions in computing since 1980
This question arose from comments about different kinds of progress in computing over the last 50 years or so.
129 Answer...