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What's the difference between an id and a class?
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Just confused these two things for quite a long time. Now I understood that "id" should be referred with unique element while "class" can be applied into multiple elements or things according their difference
– Michael Lai
Jul 20 '13 at 3:0...
Singletons vs. Application Context in Android?
...believe that if you do need to manage app-global state, it should go here, nowhere else. For anything else, rethink if you really need a singleton object, or if it would also be possible to rewrite your singleton class to instead instantiate small, short-lived objects that perform the task at hand.
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How can I use a C++ library from node.js?
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I know it's more than a year since this comments but... is it possible to use C++ libs without a C wrapper?
– Miki de Arcayne
Sep 5 '13 at 11:37
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What does “DAMP not DRY” mean when talking about unit tests?
...of the tests. The details that were previously duplicated in each test are now hidden away in some new method or class. To get the full picture of the test, you now have to mentally put all these pieces back together.
Therefore, since test code duplication often carries less risk, and promotes read...
C++ where to initialize static const
... stricly speaking the above example is correct if there is no other code. Now I do appreciate your comment (+1), I'm still learning things myself! So I'll try and clarify that point in the answer, please let me know if it's better...
– squelart
Apr 9 '10 at 12...
Passing command line arguments to R CMD BATCH
... R CMD BATCH my_script.R from a terminal to execute an R script. I am now at the point where I would like to pass an argument to the command, but am having some issues getting it working. If I do R CMD BATCH my_script.R blabla then blabla becomes the output file, rather than being interpre...
How can I increment a date by one day in Java?
...ATE, 1); // number of days to add
dt = sdf.format(c.getTime()); // dt is now the new date
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Placeholder in UITextView
My application uses an UITextView . Now I want the UITextView to have a placeholder similar to the one you can set for an UITextField .
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jQuery how to bind onclick event to dynamically added HTML element [duplicate]
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Indeed, when you are targeting known markup structures created by some other code. But here he was inserting the elements himself, and there is no clear selector for them (it's just an anchor, which there might be many of), so he would have to add additiona...
Is there any way to enforce typing on NSArray, NSMutableArray, etc.?
...to allow compile-time static type checking (so the compiler could let you know if you try to add an object it knows is a different class through that method), but there's no real way to enforce that an array only contains objects of a given class.
In general, there doesn't seem to be a need for su...