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Jquery Ajax post animation during ajax process?

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问题 I do ajax post on my mvc app when dropdown change. $(function () { $('#meters').change(function () { var analizor_id = $(this).val(); if (analizor_id && analizor_id != '') { $.ajax({ url: '@Url.Action("AnalizorInfoPartial", "Enerji")', type: 'GET', cache: false, data: { analizor_id: analizor_id }, success: function (result) { $('#TableAnalizorInfo').html(result); } }); } }); }); DropDown @Html.DropDownList("sno", new SelectList(Model, "sno", "AnalizorAdi"), "-- Analizör Seçiniz --", new { id

How to bind list of images using knockout in page with loading spinner

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问题 I have been searching Google to get some ideas and I found some code but it's incomplete and hard to understand. I want to use knockout to bind a list of images. What's the best way to set up a spinner background while the images are loading. I have a spinner class I can set and unset to the background image. Here is the code but it's not clear ko.bindingHandlers.Loading = { update: function (element, valueAccessor, allBindingsAccessor) { var value = valueAccessor(), allBindings =

Adding a loading image to a jquery ajax post

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问题 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. I see this article but it seems to only list .load() or .get() but not $.post. <script type="text/javascript"> $(document).ready(function() { $('#contact form').live('submit', function() { $.post($(this).attr('action'), $(this).serialize(), function(data) { $("#contact").replaceWith($(data)); }); return false; }); });

Disable button and show loading image while processing JSF

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问题 I have this module in my webapp where i need to update come catalogs. The idea is to disable the h:commandButton and show a h:graphicImage , both actions are supposed to happen right after the button was clicked. Finally, when the update process has ended it should do the other way, hide the h:graphicImage , enable the h:commandButton but this time also show a label h:outputText that says either 'Update Success' or 'Update Failure'. The problem in my code is that the image and the label

Adding a loading image to a jquery ajax post

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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. I see this article but it seems to only list .load() or .get() but not $.post. <script type="text/javascript"> $(document).ready(function() { $('#contact form').live('submit', function() { $.post($(this).attr('action'), $(this).serialize(), function(data) { $("#contact").replaceWith($(data)); }); return false; }); }); </script> Just add a few calls to hide/show your load screen/div, whatever: <script type="text

Disable button and show loading image while processing JSF

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I have this module in my webapp where i need to update come catalogs. The idea is to disable the h:commandButton and show a h:graphicImage , both actions are supposed to happen right after the button was clicked. Finally, when the update process has ended it should do the other way, hide the h:graphicImage , enable the h:commandButton but this time also show a label h:outputText that says either 'Update Success' or 'Update Failure'. The problem in my code is that the image and the label appear right after the process is finished and I can't find the way to do what I described above. Where or

How to load images from a directory on the computer in Python

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问题 Hello I am New to python and I wanted to know how i can load images from a directory on the computer into python variable. I have a set of images in a folder on disk and I want to display these images in a loop. 回答1: You can use PIL (Python Imaging Library) http://www.pythonware.com/products/pil/ to load images. Then you can make an script to read images from a directory and load them to python, something like this. #!/usr/bin/python from os import listdir from PIL import Image as PImage def