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What does jquery $ actually return?
...ctions against
all the selected elements.
About returning nothing:
Does it always return an array? Does it return null?
You always get the same thing back, whether or not it has any contents is the question. Typically you can check this by using .val() (e.g. $('.myElem').val())
...
How to create correct JSONArray in Java using JSONObject
...ct jo = new JSONObject();
jo.put("firstName", "John");
jo.put("lastName", "Doe");
JSONArray ja = new JSONArray();
ja.put(jo);
JSONObject mainObj = new JSONObject();
mainObj.put("employees", ja);
Edit: Since there has been a lot of confusion about put vs add here I will attempt to explain the dif...
How does git merge after cherry-pick work?
...swer
Don't worry, Git will handle it.
Long answer
Unlike e.g. SVN1, Git does not store commits in delta format, but is snapshot-based2,3. While SVN would naively try to apply each merged commit as a patch (and fail, for the exact reason you described), Git is generally able to handle this scenari...
What does java.lang.Thread.interrupt() do?
Could you explain what java.lang.Thread.interrupt() does when invoked?
9 Answers
9
...
Does HTTP use UDP?
...ections. The
default port is TCP 80, but other
ports can be used. This does not
preclude HTTP from being implemented
on top of any other protocol on the
Internet, or on other networks. HTTP
only presumes a reliable transport;
any protocol that provides such
guarantees can be used; th...
Does my application “contain encryption”?
...agencies with information about your app every January.
"
"2nd Question: Does your product qualify for any exemptions provided under category 5 part 2?
There are several exemptions available in US export regulations under Category 5 Part 2 (Information Security & Encryption regulations) for a...
What is Weak Head Normal Form?
What does Weak Head Normal Form (WHNF) mean? What does Head Normal form (HNF) and Normal Form (NF) mean?
6 Answers
...
Why does volatile exist?
What does the volatile keyword do? In C++ what problem does it solve?
18 Answers
18
...
Does Eclipse have line-wrap
... an XML file with the Eclipse IDE and need to input paragraphs of text. It doesn't seem that eclipse has a line-wrap feature though. Anyone knows if it does or if there's a plugin for that?
...
“ClickOnce does not support the request execution level 'requireAdministrator.'”
...name.
Out of the blue, I get an error that will not go away. ClickOnce does not support the request execution level 'requireAdministrator'. Now, I hadn't touched ClickOnce in this application. All I had done was include a manifest file requesting these permissions.
My problem now is that thi...