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How do I make an HTTP request in Swift?
...eferred.
Using URLSession
Initialize a URL object and a URLSessionDataTask from URLSession. Then run the task with resume().
let url = URL(string: "http://www.stackoverflow.com")!
let task = URLSession.shared.dataTask(with: url) {(data, response, error) in
guard let data = data else { return }
...
How to use multiple @RequestMapping annotations in spring?
...
From my test (spring 3.0.5), @RequestMapping(value={"", "/"}) - only "/" works, "" does not. However I found out this works: @RequestMapping(value={"/", " * "}), the " * " matches anything, so it will be the default handler ...
How does PHP 'foreach' actually work?
...$outerArr);
Here, $arr will be duplicated to prevent IAP changes on $arr from leaking to $outerArr. In terms of the conditions above, the array is not a reference (is_ref=0) and is used in two places (refcount=2). This requirement is unfortunate and an artifact of the suboptimal implementation (th...
How to check Django version
...der Linux and want to check the Python version you're using, run python -V from the command line.
If you want to check the Django version, open a Python console and type
>>> import django
>>> django.VERSION
(2, 0, 0, 'final', 0)
...
Keystore type: which one to use?
... particularly convenient to use certificates (with private keys) backed up from a browser or coming from OpenSSL-based tools (keytool wasn't able to convert a keystore and import its private keys before Java 6, so you had to use other tools).
If you already have a PKCS#12 file, it's often easier to...
“did you run git update-server-info” error on a Github repository
I'm using the github Gui from their website to manage my repos, and I'm getting the following error:
20 Answers
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Create a pointer to two-dimensional array
...is provided by the array l_matix itself. The pointers to them take storage from where-ever they are declared in and as (stack, static data segment, ...).
– Johannes Schaub - litb
Jun 27 '09 at 19:32
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A fast method to round a double to a 32-bit int explained
...,740,992 the representable numbers are exactly the integers
This follows from the fact that the mantissa is 52 bits wide.
The other interesting fact about adding 251+252 is that it affects the mantissa only in the two highest bits - which are discarded anyway, since we are taking only its lowest ...
Detect iPad users using jQuery?
... isiPhone and isiPad to be true for users visiting your site on their iPad from the Facebook app.
The conventional wisdom is that iOS devices have a user agent for Safari and a user agent for the UIWebView. This assumption is incorrect as iOS apps can and do customize their user agent. The main off...
Fast Linux File Count for a large number of files
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printf("%s contains %ld files\n", argv[1], count);
return 0;
}
From my testing without regard to cache, I ran each of these about 50 times each against the same directory, over and over, to avoid cache-based data skew, and I got roughly the following performance numbers (in real clock ti...