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What does the forward slash mean in the CSS font shorthand?
...post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f4080265%2fwhat-does-the-forward-slash-mean-in-the-css-font-shorthand%23new-answer', 'question_page');
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List columns with indexes in PostgreSQL
...ry useful answer in terms of retrieving quick information about indexes it does not answer the original question because the pg_indexes view does not provide column names. postgresql.org/docs/current/view-pg-indexes.html
– akagixxer
Nov 29 '18 at 18:45
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Optional Methods in Java Interface
...tation for each of the methods?
Actually fulfilling the contract. That is, does the implementation do what the documentation in the interface says it should?
Well written interfaces will include documentation explaining exactly what is expected from implementations. Your compiler can't check this f...
Clearing using jQuery
...on the event to prevent the <button> from triggering a submit.
EDIT
Does not work in IE 11 due to an unfixed bug. The text (file name) is cleared on the input, but its File list remains populated.
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How does _gaq.push(['_trackPageLoadTime']) work?
How does the Google Analytics Site Speed feature, _gaq.push(['_trackPageLoadTime']) , work? Is there any documentation about how it works?
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What does java:comp/env/ do?
...t descriptor.
"env" is short for environment. The
J2EE recommends (but does not require)
the following structure for the "env"
namespace.
So the binding you did from spring or, for example, from a tomcat context descriptor go by default under java:comp/env/
For example, if your configurat...
Strange function in ActivityManager: isUserAMonkey. What does this mean, what is its use?
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Insert an element at a specific index in a list and return the updated list
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l.insert(index, obj) doesn't actually return anything. It just updates the list.
As ATO said, you can do b = a[:index] + [obj] + a[index:].
However, another way is:
a = [1, 2, 4]
b = a[:]
b.insert(2, 3)
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What's the difference between an element and a node in XML?
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The XML language has no such thing as a 'node'. Read the spec, the word doesn't occur.
Some people use the word 'node' informally to mean element, which is confusing because some parsers also give the word a technical meaning (identifying 'text nodes' and 'element nodes'). The exact meaning depe...
Writing to output window of Visual Studio
...rintln("") . I tried Debug.Write , Console.Write , and Trace.Write . It does not give an error, but it does not print anything either.
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