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What is meant with “const” at end of function declaration? [duplicate]
...by viewing a class function as a normal function taking an implicit this pointer. So a method int Foo::Bar(int random_arg) (without the const at the end) results in a function like int Foo_Bar(Foo* this, int random_arg), and a call such as Foo f; f.Bar(4) will internally correspond to something like...
How can you tell when a layout has been drawn?
...Override
public void onGlobalLayout() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
layout.getViewTreeObserver()
.removeOnGlobalLayoutListener(this);
} else {
layout.getViewTreeObse...
Android : Check whether the phone is dual SIM
...detect that the phone has two SIMs? I believe it can be detected with some intelligence. Few ways I can think of are:
8 Ans...
How can I add reflection to a C++ application?
I'd like to be able to introspect a C++ class for its name, contents (i.e. members and their types) etc. I'm talking native C++ here, not managed C++, which has reflection. I realise C++ supplies some limited information using RTTI. Which additional libraries (or other techniques) could supply this ...
HTTP POST using JSON in Java
...
You can make use of Gson library to convert your java classes to JSON objects.
Create a pojo class for variables you want to send
as per above Example
{"name":"myname","age":"20"}
becomes
class pojo1
{
String name;
String age;
//generate setter a...
Difference between := and = operators in Go
...tion + assignment, whereas = is for assignment only.
For example, var foo int = 10 is the same as foo := 10.
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Java SimpleDateFormat(“yyyy-MM-dd'T'HH:mm:ss'Z'”) gives timezone as IST
...Sep 29 18:46:19 CST 2013
From Java Date Object to ISO 8601 String
And to convert Dateobject to ISO 8601 Standard (yyyy-MM-dd'T'HH:mm:ss'Z') use following code
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", Locale.US);
sdf.setTimeZone(TimeZone.getTimeZone("GMT")); ...
How to launch Safari and open URL from iOS app
...omputed properties I'm guessing). Additionally URL is no longer implicitly convertible to NSURL, must be explicitly converted with as!
UIApplication.sharedApplication.openURL(NSURL(string:"http://www.reddit.com/") as! URL)
New Swift Syntax as of iOS 10.0
The openURL method has been deprecated an...
What are good uses for Python3's “Function Annotations”
...have a method that must not be invoked with a negative value, but it's not intuitive from the name). With annotations, I could technicall write something like this for Python. Similarly, a tool that organizes methods in a large class based on tags can be written if there is an official syntax.
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Notification passes old Intent Extras
...
You are sending the same request code for your pending intens.
Change this:
PendingIntent contentIntent = PendingIntent.getActivity(context, 0, notificationIntent, 0);
To:
PendingIntent contentIntent = PendingIntent.getActivity(context, UNIQUE_INT_PER_CALL, notificationIntent...