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Authoritative position of duplicate HTTP GET query keys
I am having trouble on finding authoritative information about the behavior with HTTP GET query string duplicate fields, like
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Sort a text file by line length including spaces
...ion.)
Why the question's attempted solution fails (awk line-rebuilding):
It is interesting to note the difference between:
echo "hello awk world" | awk '{print}'
echo "hello awk world" | awk '{$1="hello"; print}'
They yield respectively
hello awk world
hello awk world
The relevan...
What APIs are used to draw over other apps (like Facebook's Chat Heads)?
...his permission; these windows are intended
for system-level interaction with the user.
Constant Value: "android.permission.SYSTEM_ALERT_WINDOW"
//EDIT:
The full code here:
public class ChatHeadService extends Service {
private WindowManager windowManager;
private ImageView chatHead;
...
In Rails, how do you render JSON using a view?
...r users controller and you want to get a json response for a show request, it'd be nice if you could create a file in your views/users/ dir, named show.json and after your users#show action is completed, it renders the file.
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How can I generate an MD5 hash?
...
You need java.security.MessageDigest.
Call MessageDigest.getInstance("MD5") to get a MD5 instance of MessageDigest you can use.
The compute the hash by doing one of:
Feed the entire input as a byte[] and calculate the hash in one operation ...
PHP expects T_PAAMAYIM_NEKUDOTAYIM?
...
It’s the double colon operator :: (see list of parser tokens).
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How do I get an ISO 8601 date on iOS?
It's easy enough to get the ISO 8601 date string (for example, 2004-02-12T15:19:21+00:00 ) in PHP via date('c') , but how does one get it in Objective-C (iPhone)? Is there a similarly short way to do it?
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What is the use of making constructor private in a class?
...nstructor can only be accessed from static factory method inside the class itself. Singleton can also belong to this category.
A utility class, that only contains static methods.
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How do I create a new Swift project without using Storyboards?
...vigationController?
Swift classes require non-optional properties to be initialized during the instantiation:
Classes and structures must set all of their stored properties to an appropriate initial value by the time an instance of that class or structure is created. Stored properties cannot be le...
How do I get the currently displayed fragment?
I am playing with fragments in Android.
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