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Removing viewcontrollers from navigation stack
...e this code and enjoy:
NSMutableArray *navigationArray = [[NSMutableArray alloc] initWithArray: self.navigationController.viewControllers];
// [navigationArray removeAllObjects]; // This is just for remove all view controller from navigation stack.
[navigationArray removeObjectAtIndex: 2]; // ...
How to make a div with no content have a width?
...on, any padding greater than 0 will work. That way you don't have a weird, selectable   in the div.
– Brian Duncan
Apr 12 '13 at 18:20
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Epoch vs Iteration when training neural networks
...ining instances into subsets (i.e., batches), performing one pass over the selected subset (i.e., batch), and then optimizing the network through backpropagation. The number o
Removing all unused references from a project in Visual Studio projects
... wondered if it possible within various Visual Studio versions to automatically remove all references from a project that were never been used?
...
How can I disable a button in a jQuery dialog from a function?
...line that will be of use (under the "buttons" section.
var buttons = $('.selector').dialog('option', 'buttons');
You'll need to get the buttons collection from the dialog, loop through that to find which one you need, and then set the disabled attribute as I showed above.
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Difference between method and function in Scala
..., no instance - with a method type. As mentioned above, a Method Value actually has a Function Type. A method type is a def declaration - everything about a def except its body.
Value Declarations and Definitions and Variable Declarations and Definitions are val and var declarations, including both...
What is a NullPointerException, and how do I fix it?
...
When you declare a reference variable (i.e. an object) you are really creating a pointer to an object. Consider the following code where you declare a variable of primitive type int:
int x;
x = 10;
In this example, the variable x is an int and Java will initialize it to 0 for you. When yo...
How to list all users in a Linux group?
How do I list all members of a group in Linux (and possibly other unices)?
20 Answers
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How to set focus on input field?
...nction ($timeout, $parse) {
return {
//scope: true, // optionally create a child scope
link: function (scope, element, attrs) {
var model = $parse(attrs.focusMe);
scope.$watch(model, function (value) {
console.log('value=', value);
...
How do I show a Save As dialog in WPF?
...alog dialog = new SaveFileDialog()
{
Filter = "Text Files(*.txt)|*.txt|All(*.*)|*"
};
if (dialog.ShowDialog() == true)
{
File.WriteAllText(dialog.FileName, fileText);
}
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