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Python loop counter in a for loop [duplicate]
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Use enumerate() like so:
def draw_menu(options, selected_index):
for counter, option in enumerate(options):
if counter == selected_index:
print " [*] %s" % option
else:
print " [ ] %s" % option
options = ['Option 0', 'Option 1', 'Opt...
Delete element in a slice
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Where a is the slice, and i is the index of the element you want to delete:
a = append(a[:i], a[i+1:]...)
... is syntax for variadic arguments in Go.
Basically, when defining a function it puts all the arguments that you pass into one slice of that type. B...
Redirect to external URI from ASP.NET MVC controller
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Using JavaScript
public ActionResult Index()
{
return Content("<script>window.location = 'http://www.example.com';</script>");
}
Note: As @Jeremy Ray Brown said , This is not the best option but you might find useful in some situations.
Hope...
What does the KEY keyword mean?
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Quoting from http://dev.mysql.com/doc/refman/5.1/en/create-table.html
{INDEX|KEY}
So KEY is an INDEX ;)
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pycharm running way slow
...re (Click on the icon at the bottom right, next to the lock):
2. Change indexed directories
Exclude directories from being indexed which are set in the project paths but not actually required to be searched and indexed. Press ALT+CTRL+S and search for project.
3. Do memory sweeps
There is anoth...
Conveniently Declaring Compile-Time Strings in C++
..."world", "");
// constexpr char x = world[5]; // Does not compile because index is out of range!
}
It doesn't get much cooler than compile-time range checking!
Both the use, and the implementation, is free of macros. And there is no artificial limit on string size. I'd post the implementation ...
What does “dereferencing” a pointer mean?
...at the pointer points to - the contents of the address with that numerical index - then you dereference the pointer.
Different computer languages have different notations to tell the compiler or interpreter that you're now interested in the pointed-to object's (current) value - I focus below on C a...
How to make an Android device vibrate?
...000};
// The '0' here means to repeat indefinitely
// '0' is actually the index at which the pattern keeps repeating from (the start)
// To repeat the pattern from any other point, you could increase the index, e.g. '1'
v.vibrate(pattern, 0);
When you're ready to stop the vibration, just call the...
Where is Java's Array indexOf?
...rted and is not an array of primitives:
java.util.Arrays.asList(theArray).indexOf(o)
If the array is primitives and not sorted, one should use a solution offered by one of the other answers such as Kerem Baydoğan's, Andrew McKinlay's or Mishax's. The above code will compile even if theArray is ...
JS: iterating over result of getElementsByClassName using Array.forEach
...document.getElementsByClassName("myclass")).forEach(
function(element, index, array) {
// do stuff
}
);
In older browsers which don't support Array.from, you need to use something like Babel.
ES6 also adds this syntax:
[...document.getElementsByClassName("myclass")].forEach(
...