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Finding Variable Type in JavaScript
In Java, you can use instanceOf or getClass() on a variable to find out its type.
9 Answers
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A positive lambda: '+[]{}' - What sorcery is this? [duplicate]
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Yes, the code is standard conforming. The + triggers a conversion to a plain old function pointer for the lambda.
What happens is this:
The compiler sees the first lambda ([]{}) and generates a closure object according to §5.1.2. As the lambda is a non-c...
Count number of occurrences of a given substring in a string
...ab")
2
Update:
As pointed up in the comments, this is the way to do it for non overlapping occurrences. If you need to count overlapping occurrences, you'd better check the answers at: "Python regex find all overlapping matches?", or just check my other answer below.
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Valid values for android:fontFamily and what they map to?
In the answer to this question the user lists values for android:fontFamily and 12 variants (see below). Where do these values come from? The documentation for android:fontFamily does not list this information in any place (I checked here , and here ). The strings are listed in the Android ...
JSR-303 @Valid annotation not working for list of child objects
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You need to decorate addresses member of UserAddressesForm with @Valid annotation. See section 3.1.3 and 3.5.1 of JSR 303: Bean Validation. As I explained in my answer to the question Is there a standard way to enable JSR 303 Bean Validatio...
Peak-finding algorithm for Python/SciPy
...n write something myself by finding zero-crossings of the first derivative or something, but it seems like a common-enough function to be included in standard libraries. Anyone know of one?
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Can I add jars to maven 2 build classpath without installing them?
...net will suggest you to either install the dependency to your local repository or specify a "system" scope in the pom and distribute the dependency with the source of your project. But both of these solutions are actually flawed.
Why you shouldn't apply the "Install to Local Repo" approach
When you ...
What is Double Brace initialization in Java?
...s has an implicit this pointer to the surrounding outer class. Whilst not normally a problem, it can cause grief in some circumstances e.g. when serialising or garbage collecting, and it's worth being aware of this.
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css label width not taking effect
I have a generic form, which I'd like to style to align the labels and the input fields.
For some reason when I give a width to the label selector, nothing happens:
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Markdown: continue numbered list
...er that the code block belongs to the list item 2. Otherwise, it's just a normal paragraph, and will end the list.
– Macmade
Aug 6 '13 at 19:53
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