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Best way to initialize (empty) array in PHP
...ferent ways, with the literal grammar not being dogged by the overhead of calling a function.
PHP, on the other hand, has language constructs that may look like functions but aren't treated as such. Even with PHP 5.4, which supports [] as an alternative, there is no difference in overhead because...
How do I convert a String to an InputStream in Java?
...ream = new ByteArrayInputStream(exampleString.getBytes(StandardCharsets.UTF_8));
Note that this assumes that you want an InputStream that is a stream of bytes that represent your original string encoded as UTF-8.
For versions of Java less than 7, replace StandardCharsets.UTF_8 with "UTF-8".
...
Download a file by jQuery.Ajax
...ence is when a file download occurs.
I created jQuery File Download which allows for an "Ajax like" experience with file downloads complete with OnSuccess and OnFailure callbacks to provide for a better user experience. Take a look at my blog post on the common problem that the plugin solves and so...
How to prevent form resubmission when page is refreshed (F5 / CTRL+R)
... It seems to me that if you redirect to the same page, then $_POST is cleared. As I understand it, that was the desired effect. That was MY desired effect, anyway. I think the answer would be better if it made that explicit, though.
– donutguy640
...
How does std::move() transfer values into RValues?
...ch I cleaned up a little bit):
template <typename T>
typename remove_reference<T>::type&& move(T&& arg)
{
return static_cast<typename remove_reference<T>::type&&>(arg);
}
Let's start with the easier part - that is, when the function is called wi...
Entity Framework - Include Multiple Levels of Properties
...
@Adeem you need to call Include for each property: Db.States.Include(state => state.Cities.Select(city => city.Customers).Include(state => state.Cities.Select(city => city.Vendors)
– Diego Torres
...
What is digest authentication?
...es with the username, realm, password and the URI request. The client runs all of those fields through an MD5 hashing method to produce a hash key.
It sends this hash key to the server along with the username and the realm to attempt to authenticate.
Server-side the same method is used to generate...
$PHP_AUTOCONF errors on mac os x 10.7.3 when trying to install pecl extensions
...imilar errors. This is on MAC OS X 10.7.3 (lion) and I also have XCODE installed on it. I also installed Zend Server community edition before running these commands and have CFLAGS='-arch i386 -arch x86_64' environment variables set. So please help with what I need to do
...
How to get a subset of a javascript object's properties
...og(picked); // { a: 5, c: 7 }
From Philipp Kewisch:
This is really just an anonymous function being called instantly. All of this can be found on the Destructuring Assignment page on MDN. Here is an expanded form
let unwrap = ({a, c}) => ({a, c});
let unwrap2 = function({a, ...
Check if a value is an object in JavaScript
...o examine variable's properties, but it is not a bulletproof recipe (after all there's no recipe at all!) for checking whether it's an object, far from it. Since people tend to look for something to copy from here without doing any research, I'd highly recommend that they turn to the other, most upv...