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get an element's id
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Yes. You can get an element by its ID by calling document.getElementById. It will return an element node if found, and null otherwise:
var x = document.getElementById("elementid"); // Get the element with id="elementid"
x.style.color = "green"; ...
How to select option in drop down using Capybara
...> you're interested in, then finds the <option> within that, then calls select_option on the <option> node.
You've already pretty much done the first two things, I'd just rearrange them. Then you can tack the select_option method on the end:
find('#organizationSelect').find(:xpath, ...
How do I make and use a Queue in Objective-C?
...ue:(id)anObject {
[self addObject:anObject];
//this method automatically adds to the end of the array
}
@end
Just import the .h file wherever you want to use your new methods, and call them like you would any other NSMutableArray methods.
Good luck and Keep on Coding!
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What does the “map” method do in Ruby?
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@Inquisitive: 'each' returns the array that calls it (in the example, [1,2,3]) when a block is supplied, 'map' returns a new array populated with the values calculated by the block. This might help: set the variable ary = [1,2,3], and check out it's object_id. Then ru...
Google Sheets API Setup · App Inventor 2 中文网
...low-up question will appear below. Under the
question “Where will you be calling the API from?”, select Other UI. Finally,
under what data will you be accessing, select Application Data.
After entering the above information, click on the blue button labeled “What
credentials do I need?” T...
How to apply CSS to iframe?
...ntents it is possible to get the
entire content from the page. Instead of calling the Google URL, it is possible to call a php file located on your server, ex. google.php, which will contain the original content with modifications:
$content = file_get_contents('https://www.google.com/calendar/embe...
What is Angular.noop used for?
...placeholder when you need to pass some function as a param.
function foo (callback) {
// Do a lot of complex things
callback();
}
// Those two have the same effect, but the later is more elegant
foo(function() {});
foo(angular.noop);
...
How can I get color-int from color resource?
...Based on the new Android Support Library (and this update), now you should call:
ContextCompat.getColor(context, R.color.name.color);
According to the documentation:
public int getColor (int id)
This method was deprecated in API level 23.
Use getColor(int, Theme) instead
It is the same soluti...
Logging best practices [closed]
...es until after Filter.ShouldTrace() has succeeded. This means no expensive calls to ToString() on parameter values until after the system has confirmed message will actually be logged.
The Trace.CorrelationManager allows you to correlate log statements about the same logical operation (see below)...
Is there a JSON equivalent of XQuery/XPath?
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Yup, it's called JSONPath. The source is now on GitHub.
It's also integrated into DOJO.
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