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How do I make an HTTP request in Swift?
...: test.swift:5:57: error: value of optional type 'NSURL?' not unwrapped; did you mean to use '!' or '?'? let task = NSURLSession.sharedSession().dataTaskWithURL(url) {(data, response, error) in
– mcuadros
Oct 12 '14 at 12:04
...
In pure functional languages, is there an algorithm to get the inverse function?
...
In some cases, yes! There's a beautiful paper called Bidirectionalization for Free! which discusses a few cases -- when your function is sufficiently polymorphic -- where it is possible, completely automatically to derive an inverse function. (It also discusses what makes the pr...
Convert JavaScript string in dot notation into an object reference
...o ahead and do what OP is asking for. However, if that's not the case, consider if any of these apply:
case 1: As the primary method of working with your data (e.g. as your app's default form of passing objects around and dereferencing them). Like asking "how can I look up a function or variabl...
What are the differences between JSON and JSONP?
...ir of parentheses around it. For example:
//JSON
{"name":"stackoverflow","id":5}
//JSONP
func({"name":"stackoverflow","id":5});
The result is that you can load the JSON as a script file. If you previously set up a function called func, then that function will be called with one argument, which is...
Should MySQL have its timezone set to UTC?
...ion` tzt
INNER JOIN mysql.`time_zone_transition_type` tztt USING(Time_zone_id, Transition_type_id)
INNER JOIN mysql.`time_zone_name` tzn USING(Time_zone_id)
-- WHERE tzn.Name LIKE 'Europe/Moscow' -- Moscow has weird DST changes
ORDER BY tzt.Transition_time ASC
CONVERT_TZ also applies any necessary...
How to get the result of OnPostExecute() to main activity because AsyncTask is a separate class?
...ver variables you want to return.
public interface AsyncResponse {
void processFinish(String output);
}
Go to your AsyncTask class, and declare interface AsyncResponse as a field :
public class MyAsyncTask extends AsyncTask<Void, Void, String> {
public AsyncResponse delegate = null;
...
Duplicate files copied (Android Studio 0.4.0) [duplicate]
...oject I use httpcore and httpmime libraries from Apache. After update Android Studio to 0.4.0 I have this issue building my project:
...
Is there a replacement for unistd.h for Windows (Visual C)?
...//gist.github.com/ashelly/7776712 */
#include <process.h> /* for getpid() and the exec..() family */
#include <direct.h> /* for _getcwd() and _chdir() */
#define srandom srand
#define random rand
/* Values for the second argument to access.
These may be OR'd together. */
#define R_...
Difference between applicationContext.xml and spring-servlet.xml in Spring Framework
... exactly like this when ever we are working with Spring MVC we need to provide some information to Predefined servlet provided by Spring that is DispatcherServlet through init param.
So the configuration is as fallows, here we are providing the spring-servlet.xml as init parameter to DispatcherServ...
What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?
... result is the first column of the first row. An example might be SELECT @@IDENTITY AS 'Identity'.
ExecuteReader is used for any result set with multiple rows/columns (e.g., SELECT col1, col2 from sometable).
ExecuteNonQuery is typically used for SQL statements without results (e.g., UPDATE, INSERT,...