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How to instantiate a File object in JavaScript?
...ctor requires 2 (or 3) parameters.
So to create a empty file do:
var f = new File([""], "filename");
The first argument is the data provided as an array of lines of text;
The second argument is the filename ;
The third argument looks like:
var f = new File([""], "filename.txt", {type: "text/pl...
How can I select an element by name with jQuery?
Have a table column I'm trying to expand and hide:
14 Answers
14
...
jQuery pass more parameters into callback
...nction example to prevent this question being closed as a duplicate of the newly posted proposed duplicate. If you feel my edits deviated too far from the original intent of your answer, or are in any other way inappropriate, please feel free to roll it back.
– user4639281
...
How do I auto-submit an upload form when a file is selected?
...mit method in the onchange event of your file input.
document.getElementById("file").onchange = function() {
document.getElementById("form").submit();
};
http://jsfiddle.net/cwvc4/73/
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Creating an abstract class in Objective-C
...abstract class, however. In fact, there is nothing to stop a user from providing implementations of abstract methods via a category (i.e. at runtime). You can force a user to at least override certain methods by raising an exception in those methods implementation in your abstract class:
[NSExcepti...
Getting the thread ID from a thread
In C# when debugging threads for example, you can see each thread's ID.
11 Answers
11
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Center a button in a Linear layout
...
If you want to center an item in the middle of the screen don't use a LinearLayout as these are meant for displaying a number of items in a row.
Use a RelativeLayout instead.
So replace:
android:layout_gravity="center_vertical|center_horizontal"
for the re...
How do I read and parse an XML file in C#?
...
XmlDocument to read an XML from string or from file.
XmlDocument doc = new XmlDocument();
doc.Load("c:\\temp.xml");
or
doc.LoadXml("<xml>something</xml>");
then find a node below it ie like this
XmlNode node = doc.DocumentElement.SelectSingleNode("/book/title");
or
foreach(X...
What issues should be considered when overriding equals and hashCode in Java?
... age;
// ...
@Override
public int hashCode() {
return new HashCodeBuilder(17, 31). // two randomly chosen prime numbers
// if deriving: appendSuper(super.hashCode()).
append(name).
append(age).
toHashCode();
}
@Override
...
How is “=default” different from “{}” for default constructor and destructor?
...er defined. This means that in case of value-initialization as in
B* pb = new B(); // use of () triggers value-initialization
special kind of initialization that doesn't use a constructor at all will take place and for built-in types this will result in zero-initialization. In case of B(){} this...