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RecyclerView click and replace image from another activity

I have some doubts about how to solve the doubt about how to click on a RecyclerView and change image from another activity, such as MainActivity. In the image you can see what I'm trying to do. I have a total of 6 images, 3 Small images and another 3 Large images. In the footer of Mai . . .阅读更多

java.util.zip.ZipException: invalid compression method

I am having some issues in dealing with zip files on Mac OS X 10.7.3. I am receiving a zip file from a third party, which I have to process. My code is using ZipInputStream to do this. This code has been used several times before, without any issue but it fails for this particular zip . . .阅读更多

Django Tinymce file manager

I need a file manager for Django Tinymce. I have tried Django filebrowser, but I can't get it to work. It shows a button next to the "Image URL" feld, but when I click it nothing shows up. How do it make it work? Or... is there a better alternative? Kind Regards, Marian . . .阅读更多

Xamarin Resource ID #0x7f050000 type #0x12 is not valid

I read few similar threads here, but none of the solutions works. I am pretty new in Xamarin Programming. This is the code that creates the problem: try { var combo = FindViewById<Spinner>(Resource.Id.spinner); ArrayAdapter adapter = new ArrayAdapter(this, Guardian.Resource.Id. . . .阅读更多

I can't pass lambda with reference capture

Above code fails with this error E0413 no suitable conversion function from "lambda []float (int i)->float" to "float (*)(int i)" exists int test; float (*f)(int i) = [&](int i) -> float {return test; }; How do I fix this? I need the Capture clause . . .阅读更多

how to sum arrays of array?

I know we can sum the array elements using reduce() but what if we have an array of arrays. For eg: var result=[10,20,30]; result.reduce((a, b) => a + b) it will return 60 but if we have result=[ [10,20,30], [20,30,40], [60,70,80] ] console.log(result); how can we get the f . . .阅读更多

ImportError: No module named 'tflearn'

I have installed tensorflow following the guide at the website. Tensorflow code runs perfectly, I have also installed tflearn. Problem is whenever I am trying to import tflearn it says "ImportError: No module named 'tflearn'" but tflearn is there in the site-packages directory I have a . . .阅读更多

Flutter TextField with currency format

There's is some way to do a money format in a TextField to when the user going typing the value it going already formatting in real time? Like in the above image, while the user is typing the format goes updating the value formatted already. [UPDATE] I just found this library that make . . .阅读更多

Problem with parsing XML file for the first time

I'm parsing an XML file for the first time for an homework I have. I am having a problem that is probably something stupid but I can't find what is going wrong. Some pieces are in French as that's my main language. Here's the piece of codes that I am having troubles with. So with those . . .阅读更多