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Returning value from called function in a shell script
...
A Bash function can't return a string directly like you want it to. You can do three things:
Echo a string
Return an exit status, which is a number, not a string
Share a variable
This is also true for some other shells.
Here's how to do each of those ...
Go Unpacking Array As Arguments
...ay.golang.org/p/2nN6kjHXIsd
I had a reason to unpack some vars from a map[string]string with single quotes around some of them as well as without. Here's the logic for it and the play link up top has the full working snippet.
func unpack(a map[string]string) string {
var stmt, val string
var x, y...
How to update a menu item shown in the ActionBar?
...xtView) findViewById(R.id.title);
menu.getItem(0).setTitle(
getString(R.string.payFor) + " " + title.getText().toString());
menu.getItem(1).setTitle(getString(R.string.payFor) + "...");
return true;
}
And worked like a charm to me you can find OnPrepareOptionsMenu here
...
How to declare a global variable in php?
... and integer-initial values as global scope static variables. Any constant strings are defined as such.
define("myconstant", "value");
class globalVars {
static $a = false;
static $b = 0;
static $c = array('first' => 2, 'second' => 5);
}
function test($num) {
if (!glo...
Determine whether an array contains a value [duplicate]
...has more upvotes than the answer. But good stuff - I've used indexOf() for strings, but I didn't know you could use it for arrays in general.
– doubleDown
Feb 4 '16 at 12:02
...
What does `someObject.new` do in Java?
...thod(){
return new TestInner();
}
public static void main(String[] args) throws Exception{
Test t = new Test();
Test.TestInner ti = t.new TestInner();
}
}
Using javap we can view instructions generated for this code
Main method:
public static void main(java.l...
Check if one list contains element from the other
...re comparing, you'll get O(n) + O(m), that is, O(n+m), at the cost of some extra RAM; it's a matter of choosing between speed or memory.
– Haroldo_OK
Mar 1 '16 at 13:10
...
Inserting string at position x of another string
I have two variables and need to insert string b into string a at the point represented by position . The result I'm looking for is "I want an apple". How can I do this with JavaScript?
...
How can I expand the full path of the current file to pass to a command in Vim?
...ferent topic. The question is about including the buffer path in a command string (thus the leading :!). Your {count}CTRL-G sequence is for displaying the full path in the UI.
– Stefan Majewsky
Aug 14 '12 at 8:16
...
When should use Readonly and Get only properties
...t once during the construction of an object (in the constructor).
private string _name = "Foo"; // field for property Name;
private bool _enabled = false; // field for property Enabled;
public string Name{ // This is a readonly property.
get {
return _name;
}
}
public bool Enabled{ // T...