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How to use onSavedInstanceState example please
... of onCreate(), you just get that Bundle back as an argument.
Then you can read your values again and restore your activity.
Lets say you have an activity with an EditText. The user wrote some text inside it.
After that the system calls your onSaveInstanceState().
You read the text from the EditTex...
What is a deadlock?
When writing multi-threaded applications, one of the most common problems experienced are deadlocks.
17 Answers
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AngularJs: How to check for changes in file input fields?
I am new to angular. I am trying to read the uploaded file path from HTML 'file' field whenever a 'change' happens on this field. If i use 'onChange' it works but when i use it angular way using 'ng-change' it doesn't work.
...
Should a return statement be inside or outside a lock?
... lets code:
static class Program
{
static void Main() { }
static readonly object sync = new object();
static int GetValue() { return 5; }
static int ReturnInside()
{
lock (sync)
{
return GetValue();
}
}
static int ReturnOutside()
...
Does Python have a ternary conditional operator?
...)
If you're having trouble remembering the order, then remember that when read aloud, you (almost) say what you mean. For example, x = 4 if b > 8 else 9 is read aloud as x will be 4 if b is greater than 8 otherwise 9.
Official documentation:
Conditional expressions
Is there an equivalent of C...
Is Java a Compiled or an Interpreted programming language ?
... considered an "interpreter," It's quite different from interpreters that read and execute the high level source code (i.e. in this case, Java source code is not interpreted directly, the bytecode, output of Java compiler, is.)
It is technically possible to compile Java down to native code ahead-...
Will code in a Finally statement fire if I return a value in a Try block?
...
@Edi: Um, I don't see what background threads have to do with it. Basically, unless the whole process aborts, the finally block will execute.
– Jon Skeet
Sep 22 '16 at 13:57
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ETag vs Header Expires
...l it has, it will always have to make a request. However, when the server reads the ETag from the client request, the server can then determine whether to send the file (HTTP 200) or tell the client to just use their local copy (HTTP 304). An ETag is basically just a checksum for a file that seman...
Use of “global” keyword in Python
What I understand from reading the documentation is that Python has a separate namespace for functions, and if I want to use a global variable in that function, I need to use global .
...
Boolean Field in Oracle
...ght consider using Y and NULL as the values. This makes for a very small (read fast) index that takes very little space.
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