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What is the purpose of Rank2Types?
...> a -> a -> r. Since forall a is outside the function arrows, the caller must first pick a type for a; if they pick Int, we get f' :: forall r. Num r => (Int -> r) -> Int -> Int -> r, and now we have fixed the g argument so it can take Int but not String. If we enable RankNTy...
How do you save/store objects in SharedPreferences on Android?
...y helpful thanks. For anyone here that cares to comment...should I put the call to saveObjectToSharedPreference in onSaveInstanceState? I have it in onSaveInstanceState now but , given my app is collecting real-time data every 10 seconds, I get a hiccup every once in a while and the object I am savi...
PHP - find entry by object property from an array of objects
... Not sure why this isn't the preferred answer. Is it because you are calling two functions?
– doz87
Aug 27 '18 at 13:22
1
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Get spinner selected items text?
... private ArrayAdapter<CharSequence> m_adapterForSpinner;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main_spinner);
///////////...
What are best practices for REST nested resources?
..., even though the system doesn't actually require it.
nested endpoints typically require redundant endpoints. In other words, you will more often than not, need the additional /employees endpoint so you can get a list of employees across departments. If you have /employees, what exactly does /compa...
How to clear a notification in Android
Is it possible to clear a notification programatically?
14 Answers
14
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How to set the width of a cell in a UITableView in grouped style
...w controller may adjust table view frame further after -viewWillAppear: is called. Of course, you can subclass and override -setFrame: for your UITableView just like what I do here for UITableViewCells. However, subclassing UITableViewCells is a much common, light, and Apple way.
Secondly, if your ...
mongo group query how to keep fields
... are accumulated/funneled/reduced) doesn't make so much sense even theoretically. However, sorting before hand is actually inefficient compared to sorting each group within themselves since sorting algorithms are more complex than O(n). I wish there would be better ways in MongoDB.
...
ActiveRecord: size vs count
...ll valid.
You'll adapt the function you use depending on your needs.
Basically:
if you already load all entries, say User.all, then you should use length to avoid another db query
if you haven't anything loaded, use count to make a count query on your db
if you don't want to bother with these co...
html5 - canvas element - Multiple layers
...ver, for zero lengths the unit identifier is optional (i.e. can be syntactically represented as the <number> 0)." w3.org/TR/css3-values/#lengths
– xehpuk
Feb 18 '16 at 23:00
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