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Iterating a JavaScript object's properties using jQuery
... Using this when a value is null errors with "Uncaught TypeError: Cannot read property 'length' of null"
– JustinStolle
Apr 24 '15 at 6:12
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How do I get a class instance of generic type T?
...to find out the runtime type of generic type parameters in Java. I suggest reading the chapter about type erasure in the Java Tutorial for more details.
A popular solution to this is to pass the Class of the type parameter into the constructor of the generic type, e.g.
class Foo<T> {
fin...
How to print the ld(linker) search path
...0000)
The first paths, without hwcap in the line, are either built-in or read from /etc/ld.so.conf.
The linker can then search additional directories under the basic library search path, with names like sse2 corresponding to additional CPU capabilities.
These paths, with hwcap in the line, can con...
Why would you ever implement finalize()?
I've been reading through a lot of the rookie Java questions on finalize() and find it kind of bewildering that no one has really made it plain that finalize() is an unreliable way to clean up resources. I saw someone comment that they use it to clean up Connections, which is really scary since t...
Expanding tuples into arguments
...any iterable) and passes them as the positional arguments to the function. Read more about unpacking arguments.
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Capture key press (or keydown) event on DIV element
...alue other than "0". Making it anything above 0 is going to mess up screen readers for visually impaired users (it will skip everything on the page and go straight to any tabindex above 0). tabindex="0" makes it "tabbable." you can have infinite elements with tabindex="0"
– zon...
Simulating ENTER keypress in bash script
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@BurhanAli: you can change what yes sends as its output. Read the man page.
– siride
Apr 21 '17 at 15:21
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What are paramorphisms?
Reading through this classic paper , I'm stuck on paramorphisms. Unfortunately the section is quite thin, and the Wikipedia page doesn't say anything.
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Make first letter of a string upper case (with maximum performance)
... Six years after the question was asked, please do a more thorough job of reading existing answers and their comments. If you are convinced you have a better solution, then show the situations in which your answer behaves in a way you think is superior, and specifically how that differs from existi...
Imitate Facebook hide/show expanding/contracting Navigation Bar
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BTW for anyone reading, exactly how to call initWithNavigationBarClass ... stackoverflow.com/questions/22286166
– Fattie
Mar 10 '14 at 7:26
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