How do I correctly use setInterval and clearInterval to switch between two different functions?

You need to capture the return value from setInterval( … ) into a variable as that is the reference to the timer: var interval; var count = 0; function onloadFunctions() { countUp(); interval = setInterval(countUp, 200); } /* … code … */ function countUp() { document.getElementById(“here”).innerHTML = count; count++; if(count === 10) { clearInterval(interval); countUp(); … Read more

Defining multiple plots to be animated with a for loop in matplotlib

In the solution below I showcase a bigger example (with also bar plot) that may help people understand better what should be done for other cases. After the code I explain some details and answer the bonus question. import matplotlib matplotlib.use(‘Qt5Agg’) #use Qt5 as backend, comment this line for default backend from matplotlib import pyplot … Read more

How can I make a video from array of images in matplotlib?

For a future myself, here is what I ended up with: def generate_video(img): for i in xrange(len(img)): plt.imshow(img[i], cmap=cm.Greys_r) plt.savefig(folder + “/file%02d.png” % i) os.chdir(“your_folder”) subprocess.call([ ‘ffmpeg’, ‘-framerate’, ‘8’, ‘-i’, ‘file%02d.png’, ‘-r’, ’30’, ‘-pix_fmt’, ‘yuv420p’, ‘video_name.mp4’ ]) for file_name in glob.glob(“*.png”): os.remove(file_name)

Animation for expandableListView

It can be done using a simple ListView that contains an initially hidden view and a custom class that extends Animation. The basic idea is to start with View.GONE then gradually re-size the margin from a negative value to the required size while setting visibility to View.VISIBLE. See: https://github.com/tjerkw/Android-SlideExpandableListView Android Animation: Hide/Show Menu How do … Read more

Fragment standard transition not animating

I finally got this to work after much trial and error. First and foremost, get the lastest ACL, it did fix custom animations, and while this was not my exact problem, once those worked I ended up using them instead of standard transitions. Right now I am using: ft.setCustomAnimations(android.R.anim.fade_in,android.R.anim.fade_out,android.R.anim.fade_in,android.R.anim.fade_out); The key to making it work … Read more

How to use requestAnimationFrame?

Warning! This question is not about the best way to shim requestAnimFrame. If you are looking for that, move on to any other answer on this page. You got tricked by automatic semicolon insertion. Try this: window.requestAnimFrame = function(){ return ( window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || function(/* function */ callback){ … Read more