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Understanding offsetWidth, clientWidth, scrollWidth and -Height, respectively
...BoundingClientRect() (see the note at developer.mozilla.org/en-US/docs/Web/API/Element.clientWidth)
– Anson Kao
Jul 21 '14 at 5:03
...
In Firebase, is there a way to get the number of children of a node without loading all the node dat
... how I might implement it.
This hinges on the fact that the Firebase REST API offers a shallow=true parameter.
Assume you have a post object and each one can have a number of comments:
{
"posts": {
"$postKey": {
"comments": {
...
}
}
}
}
You obviously don't want to fetch all...
Examples of GoF Design Patterns in Java's core libraries
...pattern implementations as possible, found in both the Java SE and Java EE APIs.
Creational patterns
Abstract factory (recognizeable by creational methods returning the factory itself which in turn can be used to create another abstract/interface type)
javax.xml.parsers.DocumentBuilderFactory#newI...
Android Json and null values
...
"null" != null. The problem is that isNull needs api 9+ and sometimes you want lower apis to work. This answer is well, you can use jsonObject.getString != "null" to.
– sagits
Jul 31 '14 at 19:36
...
How well is Unicode supported in C++11?
...ʟ ʟᴇᴛᴛᴇʀ ᴊ ᴡɪᴛʜ ᴄᴀʀᴏɴ; there's no precomposed capital; it just uppercases to a capital J and a combining caron.
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Advantages of stateless programming?
... win from 'immutability' IMO. In an ideal world, we'd all design terrific APIs and even when things were mutable, effects would be local and well-documented and 'unexpected' interactions would be kept to a minimum. In the real world, there are lots of APIs that interact with global state in myriad...
Bytecode features not available in the Java language
...differently. At the same time, it is still possible to make the reflection API believe that the class represents an actual record.
Call any super method (until Java 1.1)
However, this is only possible for Java versions 1 and 1.1. In JBC, methods are always dispatched on an explicit target type. T...
How to Handle Button Click Events in jQuery?
... alert("button");
});
See documentation for more information:
https://api.jquery.com/click/
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How to return value from an asynchronous callback function? [duplicate]
... you happen to be using jQuery, you might want to give this a shot:
http://api.jquery.com/category/deferred-object/
It allows you to defer the execution of your callback function until the ajax request (or any async operation) is completed. This can also be used to call a callback once several ajax...
Should import statements always be at the top of a module?
...ome different module at runtime.
if [condition]:
import foo as plugin_api
else:
import bar as plugin_api
xx = plugin_api.Plugin()
[...]
There are probably other situations where you might place imports in other parts in the code.
...