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Why does int num = Integer.getInteger(“123”) throw NullPointerException?
...oesn'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
Java Language Gui...
Non-type template parameters
I understand that the non-type template parameter should be a constant integral expression. Can someone shed light why is it so ?
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Android - Dynamically Add Views into View
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Use the LayoutInflater to create a view based on your layout template, and then inject it into the view where you need it.
LayoutInflater vi = (LayoutInflater) getApplim>cat m>ionContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View v = vi.inflate(R.layout.your_layout, null);
//...
How do I enable TODO/FIXME/XXX task tags in Eclipse?
In all my years of using Eclipse, I never knew until now that TODO / FIXME / XXX comment tags are supposed to appear in 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 the...
Node.js: Difference between req.query[] and req.params
Is there a difference between obtaining QUERY_STRING arguments via req.query[myParam] and req.params.myParam ? If so, when should I use which?
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How to wrap text around an image using HTML/CSS
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you have to float your image container as follows:
HTML
<div id="container">
<div id="floated">...some other random text</div>
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some random text
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</div>
CSS
#container{
width: 400px;
backgro...
jQuery - checkbox enable/disable
I have a bunch of checkboxes like this. If the "Check Me" checkbox is checked, all the other 3 checkboxes should be enabled, else they should be disabled. How can I do this using jQuery?
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Default initialization of std::array?
... the syntax std::array<T, N> x; will default-initialize all the elements of the array ?
5 Answers
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How to select date from datetime column?
I have a column of type "datetime" with values like 2009-10-20 10:00:00
8 Answers
8
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What's the difference between interface and @interface in java?
...uched Java since using JBuilder in the late 90's while at University, so I'm a little out of touch - at any rate I've been working on a small Java project this week, and using Intellij IDEA as my IDE, for a change of pace from my regular .Net development.
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