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Officially, what is typename for?
...ier that
follows is a type. Consider the
following example:
template <class T>
Class MyClass
{
typename T::SubType * ptr;
...
};
Here, typename is used to clarify that
SubType is a type of class T. Thus,
ptr is a pointer to the type
T::SubType. Without typename, SubType
...
Google Gson - deserialize list object? (generic type)
...ort com.google.gson.reflect.TypeToken;
...
Type listType = new TypeToken<ArrayList<YourClass>>(){}.getType();
List<YourClass> yourClassList = new Gson().fromJson(jsonArray, listType);
Since several people in the comments have mentioned it, here's an explanation of how the TypeT...
Callback functions in C++
...h different callbacks.
Many functions of the standard algorithms library <algorithm> use callbacks. For example the for_each algorithm applies an unary callback to every item in a range of iterators:
template<class InputIt, class UnaryFunction>
UnaryFunction for_each(InputIt first, Inp...
Git: How to rebase to a specific commit?
...it on an ancestor to master. In that case you must use git rebase --onto <target> <from> <to> so that you can specify the <from> commit.
– mirzmaster
Jul 16 '18 at 15:45
...
CSS3's border-radius property and border-collapse:collapse don't mix. How can I use border-radius to
Edit - Original Title: Is there an alternative way to achieve border-collapse:collapse in CSS (in order to have a collapsed, rounded corner table)?
...
Is it possible to rotate a drawable in the xml description?
...
I could rotate in XML:
<?xml version="1.0" encoding="utf-8"?>
<rotate xmlns:android="http://schemas.android.com/apk/res/android"
android:fromDegrees="90"
android:toDegrees="90"
android:pivotX="50%"
android:p...
Provide an image for WhatsApp link sharing
...e" section starts all over again.
Step 1: title
Maximum of 65 characters
<title>your keyword rich title of the website and/or webpage</title>
Step 2: description
Maximum of 155 characters
<meta name="description" content="description of your website/webpage, make sure you use keywo...
no gravity for scrollview. how to make content inside scrollview as center
...out_height="wrap_content"
This is how the final code should look like:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<ScrollView
...
How to Calculate Execution Time of a Code Snippet in C++
...entation dependent, but it usually 15 ms as well.
#ifdef _WIN32
#include <Windows.h>
#else
#include <sys/time.h>
#include <ctime>
#endif
/* Remove if already defined */
typedef long long int64; typedef unsigned long long uint64;
/* Returns the amount of milliseconds elapsed sinc...
How to assert greater than using JUnit Assert?
...like:
java.lang.AssertionError: timestamp
Expected: a value greater than <456L>
but: <123L> was less than <456L>
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