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Infinite scrolling with React JS
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Basically when scrolling you want to decide which elements are visible and then rerender to display only those elements, with a single spacer element on top and bottom to represent the offscreen elements.
Vjeux made a fiddle her...
Why does int num = Integer.getInteger(“123”) throw NullPointerException?
...nteger(String) doesn't do what you think it does
It returns null in this case
the assignment from Integer to int causes auto-unboxing
Since the Integer is null, NullPointerException is thrown
To parse (String) "123" to (int) 123, you can use e.g. int Integer.parseInt(String).
References
J...
Non-type template parameters
... the non-type template parameter should be a constant integral expression. Can someone shed light why is it so ?
4 Answers
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Android - Dynamically Add Views into View
... the view where you need it.
LayoutInflater vi = (LayoutInflater) getApplicationContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View v = vi.inflate(R.layout.your_layout, null);
// fill in any details dynamically here
TextView textView = (TextView) v.findViewById(R.id.a_text_view);
tex...
How do I enable TODO/FIXME/XXX task tags in Eclipse?
... the task list. Apparently this is something that is disabled by default because I have been using those tags for as long as I've been using Eclipse and I have never seen one of them appear in the task list. Can anyone indicate how to enable this feature? I see no preferences option anywhere that sa...
Node.js: Difference between req.query[] and req.params
...req.query contains the URL query parameters (after the ? in the URL).
You can also use req.param(name) to look up a parameter in both places (as well as req.body), but this method is now deprecated.
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How to wrap text around an image using HTML/CSS
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With CSS Shapes you can go one step further than just float text around a rectangular image.
You can actually wrap text such that it takes the shape of the edge of the image or polygon that you are wrapping it around.
DEMO FIDDLE (Currently wo...
jQuery - checkbox enable/disable
...he other 3 checkboxes should be enabled, else they should be disabled. How can I do this using jQuery?
6 Answers
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Default initialization of std::array?
...That's not default-initialization, it is value-initialization (8.5/7). You can request value initialization quite easily in C++11 by giving each declaration an empty initializer:
int plain_int{};
int c_style_array[13]{};
std::array<int, 13> cxx_style_array{};
Which will value-initialize all...
What's the difference between interface and @interface in java?
... Great thanks, good to know. So what was the rationale for calling it @interface, rather then say @annotation I wonder.. seems like an unnecessarily overloaded term.
– Bittercoder
May 27 '09 at 23:46
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