page-refresh

问题 I'm having a refreshment problem: In my pages, I use buttons that I create from icon + CSS class. When my user presses the button, I want to make it look pressed during half a second, so that the user can be sure he has clicked the icon: To do that, I change the content of the button-object, capturing the "resting" code inside a "var", then keeping the same icon but replacing the "resting button" class by the "pressed button" one during a chosen time, and in the end restore the "resting" code

问题 I used meta refresh but it doesn't work 'Safari'. What can i do? <meta http-equiv="refresh" content="5;URL='http://example.com/'"> 回答1: It is not supported by Safari.. And your not the only one who asked that.. There is 2 possibility: Make a button to let user refresh the page Use Ajax to be able to update parts of your website Hope this helps! 回答2: According to what I found on Google; this may have been a bug in Safari in the past but many people claim it's been resolved. There's also

问题 I used meta refresh but it doesn't work 'Safari'. What can i do? <meta http-equiv="refresh" content="5;URL='http://example.com/'"> 回答1: It is not supported by Safari.. And your not the only one who asked that.. There is 2 possibility: Make a button to let user refresh the page Use Ajax to be able to update parts of your website Hope this helps! 回答2: According to what I found on Google; this may have been a bug in Safari in the past but many people claim it's been resolved. There's also

问题 I have a form whose content is created from a DB. in my controller i have: /** * @Route("/HR/manage/{projectID}", name="hr_manage") */ public function manageHRAction(Request $request, $projectID) { //here I get all the data from DB and create the form if ($form->isValid()) { //here I do all the relevant changes in the DB return $this->render('HR/show.html.twig', array('hrlist' => $HRsInMyDomain, 'form' => $form->createView(), 'HRs' => $HRsInThisProject, 'project' => $prj, )); } return $this-

问题 every time I make changes to my website and try to update those changes to the running website, I've to hard refresh browser. is there any way to do it by code i already try to search it but most of saying it can not be done. referance post : How to programmatically empty browser cache? **Response headers : HTTP/1.1 200 OK Server: nginx/1.12.2 Date: Fri, 06 Jul 2018 10:01:23 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Content-Encoding:

问题 This question is so basic that I'm almost embarrassed to ask it, but it's got me stumped. I've written a short code snippet to explain it: <form id="MyForm" method="post" enctype="multipart/form-data" > <input type="file" id="get_file" name="get_file" > <input type="submit" name="submitForm" value="Submit" > </form> <?php if (isset($_POST['submitForm'])) { echo "<script type='text/javascript'>alert('Selected')</script>"; } else { echo "<script type='text/javascript'>alert('Not selected')<

问题 i have a jsp page and i want to prevent it from reloading, if a user click on refresh then a dialogue box must be shown and ask for Confirm/Stay here. if user click on confirm the form must be submitted otherwise the page shouldn't refresh. <script type="text/javascript"> window.onbeforeunload = function(evt) { var message = 'Are you sure you want to leave?'; if (evt) { document.forms["myForm"].submit(); } else { } return message; } </script> <form action="SubmitExam.jsp" method="post" id=

问题 I'm considering this showcase: http://www.primefaces.org/showcase/ui/dynamicImage.jsf in particular the sub-case "GraphicText on-the-fly". My problem is implementing an extended version of this sub case with the addition of a . When the button is pressed i need that the image change dinamically. In the DynamicImageController class I re-writed the getter associeted with the graphicImage: public StreamedContent getGraphicText(){ double random = Math.random();// a double value with a positive

问题 This question already has answers here : Click event doesn't work on dynamically generated elements [duplicate] (20 answers) Closed 2 years ago . I have a problem, with AJAX submit of forms. I have a piece of code like that: $("#content").html("<form id='requestInfo'>............</form"); That put in a div with id=content the piece of code that creates a form. I have another piece of code: $("#requestInfo").submit(function( event ) { event.preventDefault(); ...code... }); I would expect an

问题 I have many web pages that needs to auto-refresh once a minute. Easily done with META REFRESH or a some javascript. (And yes, the whole pages needs to refresh -- LOTS of content changing). However, it needs to be as robust as possible. If the web server is momentarily down or there is a network hiccup, it can't refresh and will then get a 404 error, etc and be permanently stuck on the error page. The only option I can come up with is host the whole page in an IFRAME, and have some script on