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What's the difference between BaseAdapter and ArrayAdapter?
...it working.
ArrayAdapter is a more complete implementation that works well for data in arrays or ArrayLists. Similarly, there is a related CursorAdapter that you should use if your data is in a Cursor. Both of these extend BaseAdapter.
If your data is in a specialized collection of some sort or if...
Is a Python dictionary an example of a hash table?
... structures in Python is the dictionary, which allows one to record "keys" for looking up "values" of any type. Is this implemented internally as a hash table? If not, what is it?
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Regex exactly n OR m times
...y is the ?: needed in the if m = 2n example? Seems to work fine without it for me.
– erb
Jun 18 '15 at 8:42
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Where does Java's String constant pool live, the heap or the stack?
...ly neither. According to the Java Virtual Machine Specification, the area for storing string literals is in the runtime constant pool. The runtime constant pool memory area is allocated on a per-class or per-interface basis, so it's not tied to any object instances at all. The runtime constant po...
How to know if user is logged in with passport.js?
I've been reading passport.js info and samples for two days, but I'm not sure after that I did all the process of authenticating.
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Accessing private member variables from prototype-defined functions
...ch the prototype methods (along with everything else) will have access to. For example:
function Person(name, secret) {
// public
this.name = name;
// private
var secret = secret;
// public methods have access to private members
this.setSecret = function(s) {
secre...
What's the point of the X-Requested-With header?
...
A good reason is for security - this can prevent CSRF attacks because this header cannot be added to the AJAX request cross domain without the consent of the server via CORS.
Only the following headers are allowed cross domain:
Accept...
Detect if stdin is a terminal or pipe?
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On POSIX there is no io.h and for isatty() you need to include unistd.h.
– maxschlepzig
Sep 29 '11 at 13:22
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How do I undo the most recent local commits in Git?
...e changes you committed unstaged (so they'll appear as "Changes not staged for commit" in git status, so you'll need to add them again before committing). If you only want to add more changes to the previous commit, or change the commit message1, you could use git reset --soft HEAD~ instead, which i...
What is the closest thing Windows has to fork()?
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Cygwin has fully featured fork() on Windows. Thus if using Cygwin is acceptable for you, then the problem is solved in the case performance is not an issue.
Otherwise you can take a look at how Cygwin implements fork(). From a quite old Cygwin's arch...