!ipython profile create

!ipython locate profile

x = !ipython locate profile


cd $x.s

ls

cd static/custom/

ls

!echo "CodeMirror.defaults.cursorBlinkRate=0" >> custom.js

%%javascript
var rate = 0;
// apply setting to  all current CodeMirror instances
IPython.notebook.get_cells().map(
    function(c) {  return c.code_mirror.options.cursorBlinkRate=rate;  }
);

// make sure new CodeMirror instance also use this setting
CodeMirror.defaults.cursorBlinkRate=rate;