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Android: How to enable/disable option menu item on button click?
...example_foobar).setEnabled(false);
}
return true;
}
On Android 3.0 and higher, the options menu is considered to always be open when menu items are presented in the action bar. When an event occurs and you want to perform a menu update, you must call invalidateOptionsMenu() to request that...
How do I get a string format of the current date time, in python?
For example, on July 5, 2010, I would like to calculate the string
4 Answers
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Use-case of `oneway void` in Objective-C?
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edited Oct 14 '17 at 10:22
Josh
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answered Mar 31 '11 at 4:0...
Turn off CSRF token in rails 3
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edited Dec 21 '17 at 22:50
Dorian
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Operator overloading : member function vs. non-member function?
...nd is not a class type, rather say double. So you cannot write like this 10.0 + s2. However, you can write operator overloaded member function for expressions like s1 + 10.0.
To solve this ordering problem, we define operator overloaded function as friend IF it needs to access private members. Mak...
Do we still need end slashes in HTML5?
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edited Sep 9 '11 at 19:30
answered Sep 9 '11 at 19:11
Bri...
When should use Readonly and Get only properties
...uel; // Will work
f.Fuel = a; // Does not compile
f.FillFuelTank(10); // Value is changed from the method's code
}
Setting the private field of your class as readonly allows you to set the field value only once (using an inline assignment or in the class constructor).
You will not be able...
How do I automatically update a timestamp in PostgreSQL
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203
To populate the column during insert, use a DEFAULT value:
CREATE TABLE users (
id serial no...
Get value from JToken that may not exist (best practices)
...pes and the ?? operator:
width = jToken.Value<double?>("width") ?? 100;
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How to parse JSON in Scala using standard Scala classes?
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