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How does the socket API accept() function work?
...dard for TCP/IP and UDP/IP communications (that is, networking code as we know it). However, one of its core functions, accept() is a bit magical.
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How do I check/uncheck all checkboxes with a button using jQuery?
I am trying to check/uncheck all checkboxes using jQuery. Now by checking/unchecking the parent checkbox all the child checkboxes are getting selected/deselected also with the text of parent checkbox getting changed to checkall/uncheckall.
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Is there a minlength validation attribute in HTML5?
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There is a minlength property in the HTML5 specification now, as well as the validity.tooShort interface.
Both are now enabled in recent versions of all modern browsers. For details, see https://caniuse.com/#search=minlength.
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How to print to console using swift playground?
...ln in Swift 2 beta) shows up there.
In earlier Xcode 6 versions (which by now you probably should be upgrading from anyway), show the Assistant editor (e.g. by clicking the little circle next to a bit in the output area). Console output appears there.
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Declaration of Methods should be Compatible with Parent Methods in PHP
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This has changed in PHP 5.4, btw: * E_ALL now includes E_STRICT level errors in the error_reporting configuration directive. See here: php.net/manual/en/migration54.other.php
– Duncan Lock
Nov 17 '12 at 1:08
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How do I run Asynchronous callbacks in Playground
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guard let data = data, error == nil else {
print(error ?? "Unknown error")
return
}
let contents = String(data: data, encoding: .utf8)
print(contents!)
}.resume()
PlaygroundPage.current.needsIndefiniteExecution = true
Or in Swift 2:
import UIKit
import XCPlaygro...
How do I rename a Git repository?
... Nothing bad. They retain the original name, but their remote is now wrong: if they want to pull updates they need to connect to the new name. If both you and they are synching or a central repository it will retain the original name and everything will continue to work
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object==null or null==object?
...dn't be a usecase at all. Which means that, we are training ourselves that now that I use "null" first, its okay, even if I make a mistake. That doesn't mean that the code works as expected. Even if null = object is given in the place of null == object, the program is not going to work as expected! ...
Should I use string.isEmpty() or “”.equals(string)?
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Thank you for the explanation. Now I know why to favor "".equals(str) over str.equals("")! I was always wondering why others use this so often, but didn't take null values into account. Great :-)
– Peter Wippermann
De...
fancybox2 / fancybox causes page to to jump to the top
...g: 0,
helpers: {
overlay: {
locked: false
}
}
});
But, now we can scroll the main page while looking at our fancy box window. It is better than jumping to the top of the page, but it is probably not what we really want.
We can prevent scrolling the right way by adding the next ...