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Enum String Name from Value
...um.
[Code for Performance Benchmark]
Stopwatch sw = new Stopwatch (); sw.Start (); sw.Stop (); sw.Reset ();
double sum = 0;
int n = 1000;
Console.WriteLine ("\nGetName method way:");
for (int i = 0; i < n; i++) {
sw.Start ();
string t = Enum.GetName (typeof (Roles), roleValue);
sw.Stop...
How to close activity and go back to previous activity in android
I have a main activity, that when I click on a button, starts a new activity, i used the following code to do so:
18 Answer...
Java: method to get position of a match in a String?
...st) occurrence of the specified substring [searching forward (or backward) starting at the specified index].
String text = "0123hello9012hello8901hello7890";
String word = "hello";
System.out.println(text.indexOf(word)); // prints "4"
System.out.println(text.lastIndexOf(word)); // prints "22"
...
How do you set up use HttpOnly cookies in PHP
...is can also be set within a script, as long as it is called before session_start().
ini_set( 'session.cookie_httponly', 1 );
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Sending data back to the Main Activity in Android
... from a list or entering data in a dialog box. In this case you should use startActivityForResult to launch your child Activity.
This provides a pipeline for sending data back to the main Activity using setResult. The setResult method takes an int result value and an Intent that is passed back to t...
gdb split view with code
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It's called the TUI (no kidding). Start for example with gdbtui or gdb -tui ...
Please also see this answer by Ciro Santilli. It wasn't available in 2012 to the best of my knowledge, but definitely worth a look.
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Check if a string contains another string
...Compare)
will give you a value of 14.
Note that you have to specify the start position in this case as stated in the specification I linked: The start argument is required if compare is specified.
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Java8 Lambdas vs Anonymous classes
...t.println("in run");
}
};
Thread t = new Thread(r);
t.start();
}
//syntax of lambda expression
public static void main(String[] args) {
Runnable r = ()->{System.out.println("in run");};
Thread t = new Thread(r);
t.start();
}
2)Scope
An anonymous inner class ...
How to schedule a periodic task in Java?
... }
}
then in main class you instantiate the task and run it periodically started by a specified date:
public void runTask() {
Calendar calendar = Calendar.getInstance();
calendar.set(
Calendar.DAY_OF_WEEK,
Calendar.MONDAY
);
calendar.set(Cal...
Django - iterate number in for loop of a template
...
Django provides it. You can use either:
{{ forloop.counter }} index starts at 1.
{{ forloop.counter0 }} index starts at 0.
In template, you can do:
{% for item in item_list %}
{{ forloop.counter }} # starting index 1
{{ forloop.counter0 }} # starting index 0
# do your stuff
{%...