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Android. Fragment getActivity() sometimes returns null

...e application works good without forcecloses, however some users get NullPointerException in fragment class when the getActivity() method is called. ...
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Web API Put Request generates an Http 405 Method Not Allowed error

...tions can't bind data to primitive type parameters. I had to change public int PutFluffColor(int Id, int colorCode) to public int PutFluffColor(int Id, UpdateFluffColorModel model) – Josh Noe May 1 '15 at 17:31 ...
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How do I properly compare strings in C?

...et a program to let a user enter a word or character, store it, and then print it until the user types it again, exiting the program. My code looks like this: ...
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Fastest way to determine if an integer is between two integers (inclusive) with known sets of values

... way than x >= start && x <= end in C or C++ to test if an integer is between two integers? 6 Answers ...
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SQL Server: Is it possible to insert into two tables at the same time?

...tement: No. In one transaction: Yes BEGIN TRANSACTION DECLARE @DataID int; INSERT INTO DataTable (Column1 ...) VALUES (....); SELECT @DataID = scope_identity(); INSERT INTO LinkTable VALUES (@ObjectID, @DataID); COMMIT The good news is that the above code is also guaranteed to be ato...
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getViewTypeCount and getItemViewType methods of ArrayAdapter

...have pictures on the right. In that case, you would use: @Override public int getViewTypeCount() { return 2; } @Override public int getItemViewType(int position) { return position % 2; } The framework uses your view type to decide which views to hand you via convertView in your getView m...
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Random Number Between 2 Double Numbers

...ouble between 0 and 1. You then multiply that by the range you need to go into (difference between maximum and minimum) and then add that to the base (minimum). public double GetRandomNumber(double minimum, double maximum) { Random random = new Random(); return random.NextDouble() * (maxi...
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How do I display an alert dialog on Android?

... button is clicked. .setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { // Continue with delete operation } }) // A null listener allows the button to dismiss the dialog a...
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Set Django IntegerField by choices=… name

... Do as seen here. Then you can use a word that represents the proper integer. Like so: LOW = 0 NORMAL = 1 HIGH = 2 STATUS_CHOICES = ( (LOW, 'Low'), (NORMAL, 'Normal'), (HIGH, 'High'), ) Then they are still integers in the DB. Usage would be thing.priority = Thing.NORMAL ...
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How to change height of grouped UITableView header?

...func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat { if section == 0 { return CGFloat.leastNormalMagnitude } return tableView.sectionHeaderHeight } Swift: func tableView(tableView: UITableView, heightForHeaderInSec...