move

In generic code I was trying to tell an output iterator (in practice a std::back_inserter_iterator to move a range of elements. To my surprise it looked as if elements were moved in a move-to-back_inserter operation. #include<algorithm> // move #include<iterator> // back_inserter #include<vector> int main(){ std::vector<std::vector<double> > v(10, std::vector<double>(100)); std::vector<std::vector<double> > w; assert( not v[0].empty() and w.size() == 0 ); std::copy(v.begin(), v.end(), std::back_inserter(w)); assert( not v[0].empty() and w.size() == 10 ); std::move(v.begin(), v.end(), std::back

Here is a test file from gcc, live demo struct do_nothing { template <class T> void operator()(T*) {} }; int main() { int i = 0; std::unique_ptr<int, do_nothing> p1(&i); std::unique_ptr<int> p2; static_assert(!std::is_assignable<decltype(p2), decltype(p1)>::value, ""); // note ! here. } std::is_assignable If the expression std::declval<T>() = std::declval<U>() is well-formed in unevaluated context, provides the member constant value equal true. Otherwise, value is false. Access checks are performed as if from a context unrelated to either type. std::declval : template<class T> typename std:

I want crop an image in my application.I tried a lot but not succeed. Its challenge to android developer. Is there any idea or reference to implement the features move,scale and crop the image in android like facebook upload profile pic. Now i am able to move, scale and crop and the image.But not consistant like facebook.I want to set fix image scale based on orientation.I attached the screen shot-3. My code as below:- crop_image.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout

I am reading about the std::move , move constructor and move assignment operator. To be honest, all I got now is confusion. Now I have a class: class A{ public: int key; int value; A(){key = 3; value = 4;} //Simple move constructor A(A&& B){ A.key = std::move(B.key); A.value = std::move(B.value);} }; I thought B is an rvalue reference, why you can apply std::move to an ravlue reference's member? After B.key and B.value have been moved, both have been invalidated, but how B as an object of class A gets invalidated? What if I have A a(A()) , A() is apparently an rvlaue, can A() be moved by std:

I need to move files from one directory to another in windows, and I need to write this in a batch script. We have written a SQL job where backup files will be created every 4 hours on the D: drive and last 4 backup files will be saved and others will be deleted. I need to write a batch script to move these files from the D: drive to the E: drive every 10 hours. Can anyone help me to write this script. SwampYeti Create a file called MoveFiles.bat with the syntax move c:\Sourcefoldernam\*.* e:\destinationFolder then schedule a task to run that MoveFiles.bat every 10 hours. You can try this:

Given a zipfile with an unknown directory, how can I rename or move that directory to a normalized path? <!-- Going to fetch some stuff --> <target name="get.remote"> <!-- Get the zipfile --> <get src="http://myhost.com/package.zip" dest="package.zip"/> <!-- Unzip the file --> <unzip src="package.zip" dest="./"/> <!-- Now there is a package-3d28djh3 directory. The part after package- is a hash and cannot be known ahead of time --> <!-- Remove the zipfile --> <delete file="package.zip"/> <!-- Now we need to rename "package-3d28djh3" to "package". My best attempt is below, but it just moves

How do i copy/duplicate a folder that contain sub-folders and files into another directory within the S3 bucket using PHP API? $s3->copy_object only copies the folder, but not the files and sub-folders inside. Do i have to use $s3->list_objects to get all files and directory and run $s3->copy_object on every single file/directory? S3 is not a filesystem, it's an object store. Folders don't actually exist in any tangible sense; a folder is just something you can call a shared prefix. Put another way, if you create path/to/one and path/to/two , it doesn't also cause path and path/to to exist. If

I sent a task (activity) to back with: @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); moveTaskToBack(true); } but I need bring it to front by setOnClickPendingIntent in widget. Just start the main (root) activity of your application like this: Intent intent = new Intent(context, MainActivity.class); intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); context.startActivity(intent); If the activity is already running in a task, this will just bring that task to the foreground (without creating any new