conceptual

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Codeigniter. Automatic username check using jquery. Conceptual confusion

I have recently started using CodeIgniter, and I can see its benefits. I am however seemingly encountering a few conceptual problems which are confusing me.[详细]

2023-03-24 08:38 分类：问答
Why is TaskScheduler.Current the default TaskScheduler?

The Task Parallel Library is great and I\'ve used it a lot in the past months. However, there\'s something really bothering me: the fact that TaskScheduler.Current is the default task scheduler, not T[详细]

2023-03-22 05:21 分类：问答
Why do we need ContinueWith method?

Why do we need Task.ContinueWith() method. Cannot we just write that \"continuation code\" inside Task 开发者_如何学运维body?Sasha Goldshtein\'s answer is correct. There are instances where your \'con[详细]

2023-03-14 23:08 分类：问答
Preserving state when setting ItemsSource

I have a ListBox (ListBox1) of Agency types {Police, Fire, Emergency} When the user selects an Agency type, Another ListBox (ListBox2) is populated with (Name, CheckBox) by setting the items source.[详细]

2023-03-11 10:46 分类：问答
Why are there 2 ListBoxItems in the Visual Tree?

I am only displaying the selected element of a ListBox (yeah I know) ... And I am trying to understand why if I have a single ListBox.ItemTemplate with a single child ofListBoxItem, I have to traverse[详细]

2023-03-08 03:39 分类：问答
Post-increment and Pre-increment concept?

I don\'t understand the concept of postfix and prefix inc开发者_开发技巧rement or decrement. Can anyone give a better explanation?All four answers so far are incorrect, in that they assert a specific[详细]

2023-01-30 09:44 分类：问答
Cannot understand getter/setter with object

It is easy to understand the concept of setter/getter for a simple data, an NSInteger for example. If we say: NSInteger a;[详细]

2023-01-28 10:40 分类：问答
write a c function that generates one random number, or a pair of random numbers, or a triplet of random numbers given the particular ranges

i have to generate random numbers for 3 different cases. i. 1 dice ii. a pair of dice iii. 3 dices my questions:[详细]

2023-01-17 16:05 分类：问答
What's missing from this strategy of choosing which C# collection to use?

Here\'s my strategy for choosing which C# collection type to use: if number of items in collection is fixed, then use an array, e.g.:[详细]

2023-01-11 04:04 分类：问答
Basic Database design question - 1 attribute three Entities

Please can someone clarify something which I should really know by now? If I have Three Entitys Organisation, Director and Company secretary and each have the attribute primary address.[详细]

2023-01-10 00:16 分类：问答