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How to change MenuItem icon in ActionBar programmatically
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You can't use findViewById() on menu items in onCreate() because the menu layout isn't inflated yet. You could create a global Menu variable and initialize it in the onCreateOptionsMenu() and then use it in your onClick().
private Menu menu;
In y...
How to RedirectToAction in ASP.NET MVC without losing request data
...n. If you don't like that behavior, you can implement the new ITempDataProvider interface and use some other mechanism for storing temp data. I wouldn't do that unless you know for a fact (via measurement and profiling) that the use of Session state is hurting you.
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Java Class that implements Map and keeps insertion order?
...expects a predictable sort order, as opposed to a specific sort order, consider using the interfaces these two classes implement, NavigableMap or SortedMap. This will allow you not to leak specific implementations into your API and switch to either of those specific classes or a completely different...
How to chain scope queries with OR instead of AND?
...("name = ? OR lastname = ?", 'John', 'Smith')
– CambridgeMike
Nov 9 '11 at 3:55
6
This is still a...
In Firebase, is there a way to get the number of children of a node without loading all the node dat
...ou gave does indeed load the entire set of data and then counts it client-side, which can be very slow for large amounts of data.
Firebase doesn't currently have a way to count children without loading data, but we do plan to add it.
For now, one solution would be to maintain a counter of the numb...
What is the Git equivalent for revision number?
We use SVN at work, but for my personal projects I decided to use Git. So I installed Git yesterday, and I wonder what is the revision number equivalent in Git .
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javascript node.js next()
...le you posted:
function loadUser(req, res, next) {
if (req.session.user_id) {
User.findById(req.session.user_id, function(user) {
if (user) {
req.currentUser = user;
return next();
} else {
res.redirect('/sessions/new');
}
});
} else {
res.r...
Passing an array as a function parameter in JavaScript
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As a side note, if anyone wants to pass an associative array (named keys) instead, then use an object. Coming from PHP (and always led to this thread by google) this took me a while to figure out. You can pass the whole object as a...
How to save MailMessage object to disk as *.eml or *.msg file
...eeded to add the <network host="...", etc. in addition to what Ryan provided.
– Steven Rogers
Jul 7 '11 at 20:42
10
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Attempt to set a non-property-list object as an NSUserDefaults
...I knew what was causing this error, but I can't seem to figure out what I did wrong.
11 Answers
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