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What does it mean when an HTTP request returns status code 0?
... is not accessible. Especially frustrating when attempting to detect a web api undergoing maintenance and responding 503. If this api does not honor cors while under maintenance, you will not be able to detect the 503, you will just get 0, which can be caused by so many other things.
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How to write iOS app purely in C
...rgc, char *argv[])
{
// Create an @autoreleasepool, using the old-stye API.
// Note that while NSAutoreleasePool IS deprecated, it still exists
// in the APIs for a reason, and we leverage that here. In a perfect
// world we wouldn't have to worry about this, but, remember, this i...
How do I call some blocking method with a timeout in Java?
...use the timeout version of get().
See http://java.sun.com/j2se/1.5.0/docs/api/java/util/concurrent/FutureTask.html
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Javascript communication between browser tabs/windows [duplicate]
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There is also an experimental technology called Broadcast Channel API that is designed specifically for communication between different browser contexts with same origin. You can post messages to and recieve messages from another browser context without having a reference to it:
var channe...
How to read integer value from the standard input in Java
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You can use java.util.Scanner (API):
import java.util.Scanner;
//...
Scanner in = new Scanner(System.in);
int num = in.nextInt();
It can also tokenize input with regular expression, etc. The API has examples and there are many others in this site (e.g...
How to read an external local JSON file in JavaScript?
...read JSON, you should read the documentation for jQuery.getJSON():
http://api.jquery.com/jQuery.getJSON/
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Why is Class.newInstance() “evil”?
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The Java API documentation explains why (http://java.sun.com/javase/6/docs/api/java/lang/Class.html#newInstance()):
Note that this method propagates any exception thrown by the nullary constructor, including a checked exception. U...
Dialog throwing "Unable to add window — token null is not for an application” with getApplication()
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Seems like you cannot enable this permission in API 23 onwards code.google.com/p/android-developer-preview/issues/…
– roy zhang
Sep 17 '15 at 15:12
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Full Screen Theme for AppCompat
...onResume() - without that, the navigation bar was still visible in my app (api 18+)
– Antek
Jul 10 '17 at 9:17
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Can you Run Xcode in Linux?
...ts, they eventually decided they needed to include the Unix portion of the API into the kernel itself and so a BSD-compatible "server" (originally intended to process requests for BSD-compatible kernel messages) was moved into the kernel, making it a Monolithic kernel. It may be BSD compatible in t...