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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.
...
Why can't stash be applied to the working directory?
...t I personally prefer to stay "within git".
The best way to do this is to convert the stash to a branch. Once it is a branch you can work normally in git using the normal branch-related techniques/tools you know and love. This is actually a useful general technique for working with stashes even whe...
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:
...
Generate random password string with requirements in javascript
...nerate random number, eg: 0.123456
.toString(36) // Convert to base-36 : "0.4fzyo82mvyr"
.slice(-8);// Cut off last 8 characters : "yo82mvyr"
Documentation for the Number.prototype.toString and string.prototype.slice methods.
...
Strengths of Shell Scripting compared to Python [closed]
...ntage. For example, consider resizing a directory full of images with the convert program.
– Glenn
May 1 '09 at 23:24
7
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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
...
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...
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...
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...
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...
