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How to correctly save instance state of Fragments in back stack?
...tManager()
.beginTransaction()
.add(R.id.my_container, myFragment, MY_FRAGMENT_TAG)
.commit();
} else {
myFragment = (MyFragment) getSupportFragmentManager()
.findFragmentByTag(MY_FRAGMENT_TAG);
}
...
}
Note however th...
is_file or file_exists in PHP
I need to check if a file is on HDD at a specified location ($path.$file_name).
5 Answers
...
How to check if a value exists in a dictionary (python)
...ed for lookup operations:
>>> type(d.viewvalues())
<type 'dict_values'>
>>> type(d.values())
<type 'list'>
>>> type(d.itervalues())
<type 'dictionary-valueiterator'>
EDIT2: As per request in comments...
>>> T(lambda : 'four' in d.itervalues()...
What's the yield keyword in JavaScript?
...ed process3');
console.log('End of the process function');
}
let _process = process();
Until you call the _process.next() it wont execute the first 2 lines of code, then the first yield will pause the function.
To resume the function until next pause point (yield keyword) you need to cal...
Inversion of Control vs Dependency Injection
...lic void SendConfirmationMsg(string mobileNumber)
{
SMSService _SMSService = new SMSService();
_SMSService.SendSMS(mobileNumber, "Your order has been shipped successfully!");
}
}
Above implementation is not wrong but there are few issues:
-) Suppose On development environm...
Center HTML Input Text Field Placeholder
...lder as well as the text entered into the field
– max_
Sep 11 '11 at 21:48
1
Yes. This is what th...
How do I get the last inserted ID of a MySQL table in PHP?
...ng PDO, use PDO::lastInsertId.
If you're using Mysqli, use mysqli::$insert_id.
If you're still using Mysql:
Please, don't use mysql_* functions in new code. They are no longer maintained and are officially deprecated. See the red box? Learn about prepared statements instead, and use PDO or MyS...
How to explicitly discard an out argument?
...ublic void PrintXCoordinate(Point p)
{
p.GetCoordinates(out int x, out _); // I only care about x
WriteLine($"{x}");
}
Source: https://blogs.msdn.microsoft.com/dotnet/2017/03/09/new-features-in-c-7-0/
share
...
How to bind an enum to a combobox control in WPF?
... an optional blank value for default/no selection
[Description("")]
NOT_SET = 0,
[Description("Sunday")]
SUNDAY,
[Description("Monday")]
MONDAY,
...
}
First I created helper class with a couple methods to deal with enums. One method gets a description for a specific value, the other ...
How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?
...cessary instead of DateTime. So use Time.strptime("1318996912345",'%Q').to_f and you will see the milliseconds preserved, while DateTime.strptime("1318996912345",'%Q').to_f does not preserve it.
– skensell
Feb 22 '17 at 15:20
...