How display a loading image correctly on Android phone

I have been trying to use a .gif file from my resources, but I get no movement when it loads.I am using i开发者_Python百科t as a loading image while I am doing an asynchronous task.I was previously us

jQuery Loading Status for $.ajax

I am using the following code to get data from the database( from cs page itself i am creating the html code) and binding the html code to the div.

Adding a loading image to a jquery ajax post

i have the following javascript to post a form through ajax without refreshing the screen.Since the post take a little while, i wanted to add a loading image during processing.

How to inverse matrix and integer result in Octave?

I would like to get an invertible matrix in Octave but as integers matrix, so: x = [9,15;19,2]; inv(x) Here I get:

sklearn的决策树模型能不能处理多类特征呢？？