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What is a Y-combinator? [closed]
...1);
}})(
5
);
Feel free to try it. alert() that return, tie it to a button, whatever.
That code calculates factorials, recursively, without using
assignment, declarations, or functions of 2 variables. (But
trying to trace how it works is likely to make your head spin.
And handing it, without...
How does OAuth 2 protect against things like replay attacks using the Security Token?
...est a secure resource (my gmail contact list) from gmail. So I click this button:
A web page pops up, and it shows the Gmail login page, when I enter my account and password:
Gmail then shows a consent page where I click "Accept":
Now LinkedIn can access my contacts in Gmail:
Below is a flow...
Set focus on TextBox in WPF from view model
I have a TextBox and a Button in my view.
21 Answers
21
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How to detect when cancel is clicked on file input?
...}
else {
/* No file selected or cancel/close
dialog button clicked */
/* If user has select a file before,
when they submit, it will treated as
no file selected */
}
});
...
What is a callback function?
... such that when the parent method is called (whatever condition, such as a button click, a timer tick etc) and its method body completes, the callback function is then invoked.
Some languages support constructs where multiple callback function arguments are supported, and are called based on how th...
How can I build a small operating system on an old desktop computer? [closed]
...documentation. It's also got some RAM, flash data storage, LEDs, switches, buttons, VGA output, etc. Plenty of stuff to play around with writing simple drivers for.
One of the benefits of an embedded device is also that you may be able to avoid writing a VGA driver for a long time. In my case, the ...
What are fixtures in programming?
...ct – The test will interact with the application, enter text, pushing buttons, and so on.
Assert – The test examines the results of the actions performed in the Act step to determine correctness. For example, the
application may verify that a particular error message is
display...
Why hasn't functional programming taken over yet?
... programs are all about side effects and mutation. When the user presses a button it's because they want something to happen. When they type in something, they want that state to replace whatever state used to be there. When Jane Smith in accounting gets married and changes her name to Jane Jones, t...
When to use RDLC over RDL reports?
...ccessing an RLD report. Thus you need to make textboxes, dropdowns, radio buttons on your own outside the control to pass to it. Some people like this added control, I do not personally.
Anything you want to do with servicing the reports for distribution you need to build yourself. Emailing, subs...
How can I pass selected row to commandLink inside dataTable or ui:repeat?
...es the row based on the request parameter name of the clicked command link/button).
public void insert() {
Item item = model.getRowData();
Long id = item.getId();
// ...
}
This also requires that the datamodel is preserved for the form submit request. Best is to put the bean in the...