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How to access component methods from “outside” in ReactJS?
...MyComponent ref={refCb} />, el);
}
export default MyWidget;
and:
// vanilla javascript code
var global_widget_instance;
MyApp.MyWidget(document.getElementById('my_container'), function(widget) {
global_widget_instance = widget;
});
global_widget_instance.myCoolMethod();
...
Run a single test method with maven
I know you can run all the tests in a certain class using:
13 Answers
13
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Convert UTC date time to local date time
From the server I get a datetime variable in this format: 6/29/2011 4:52:48 PM and it is in UTC time. I want to convert it to the current user’s browser time using JavaScript.
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In-App Billing test: android.test.purchased already owned
I am currently testing In-App Billing for a future app, and after I successfully "bought" the test item "android.test.purchased" the first time, I now receive the response code 7 every time I try to buy it again, which means that I already own this item.
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Best cross-browser method to capture CTRL+S with JQuery?
My users would like to be able to hit Ctrl + S to save a form. Is there a good cross-browser way of capturing the Ctrl + S key combination and submit my form?
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How to float 3 divs side by side using CSS?
I know how to make 2 divs float side by side, simply float one to the left and the other to the right.
15 Answers
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Get attribute name value of
... to you in the Accepted Answer:
$("#ID").attr("name");
And second, the Vanilla JS version of it:
document.getElementById('ID').getAttribute("name");
My results:
jQuery: 300k operations / second
JavaScript: 11,000k operations / second
You can test for yourself here. The "plain JavaScript" v...
Integer to hex string in C++
...
Use <iomanip>'s std::hex. If you print, just send it to std::cout, if not, then use std::stringstream
std::stringstream stream;
stream << std::hex << your_int;
std::string result( stream.str() );
You can prepend th...
Remove DEFINER clause from MySQL Dumps
I have a MySQL dump of one of my databases. In it, there are DEFINER clauses which look like,
24 Answers
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How can I change the image displayed in a UIImageView programmatically?
I have an IBOutlet to a UIImageView , but when I look at the UIImageView doc, I can't see any hints about programmatically changing it. Do I have to fetch an UIImage object from that UIImageView ?
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