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how do I query sql for a latest record date for each user
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@RedFilter This worked perfect for my problem. Thanks a lot for such a technical query. By the way I used datetime instead of date to avoid getting multiple results for a particular date
– Muhammad Khan
Mar 23 at 2...
How do I select text nodes with jQuery?
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jQuery doesn't have a convenient function for this. You need to combine contents(), which will give just child nodes but includes text nodes, with find(), which gives all descendant elements but no text nodes. Here's what I've come up with:
var getTextNodesIn = func...
How to programmatically disable page scrolling with jQuery
...is is similar to what you described:
Grab current scroll position (don't forget horizontal axis!).
Set overflow to hidden (probably want to retain previous overflow value).
Scroll document to stored scroll position with scrollTo().
Then when you're ready to allow scrolling again, undo all that.
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A valid provisioning profile for this executable was not found for debug mode
...ing. Anyone have a solution?" regarding the "A valid provisioning profile for this executable was not found for debug mode" thrown error. Changing the build system in the new version of Xcode solves the problem. There are a lot of solutions posted for various situations when this occurs.
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Overriding the java equals() method - not working?
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The ArrayList uses overridden equals() methods to compare contents (e.g. for its contains() and equals() methods), not overloaded ones. In most of your code, calling the one that didn't properly override Object's equals was fine, but not compatible with ArrayList.
So, not overriding the method co...
Get battery level and state in Android
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Here is a code sample that explains how to get battery information.
To sum it up, a broadcast receiver for the ACTION_BATTERY_CHANGED intent is set up dynamically, because it can not be received through components declared in manifests, only by explicitly registering for it with C...
Are foreign keys really necessary in a database design?
As far as I know, foreign keys (FK) are used to aid the programmer to manipulate data in the correct way. Suppose a programmer is actually doing this in the right manner already, then do we really need the concept of foreign keys?
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What is “android:allowBackup”?
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For this lint warning, as for all other lint warnings, note that you can get a fuller explanation than just what is in the one line error message; you don't have to search the web for more info.
If you are using lint via Ecl...
How to delete all datastore in Google App Engine?
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If you're talking about the live datastore, open the dashboard for your app (login on appengine) then datastore --> dataviewer, select all the rows for the table you want to delete and hit the delete button (you'll have to do this for all your tables).
You can do the same programmati...
Clear back stack using fragments
...st using:
FragmentManager fm = getActivity().getSupportFragmentManager();
for(int i = 0; i < fm.getBackStackEntryCount(); ++i) {
fm.popBackStack();
}
But could equally have used something like:
((AppCompatActivity)getContext()).getSupportFragmentManager().popBackStack(String name, Fra...