backend

问题 Does anyone know about a good tutorial where submiting a form from a sing page is explained? I have a few page views in my html code and one of them is a form with three fields (Name, Email and Message) what I am trying to achieve is to submit the form data via Ajax without using a process.php directly. This is the Form: <section class="hidden" id="view-forms"> <header> <button class="left arrow" data-vin="view-home" data-sd="sr"> <div class="label">All Contacts</div> </button> <h1>Message<

问题 So I'm pretty new to web development and now that me and my much more web oriented friend started a project, he threw all kind of frameworks on me. We're doing Vuejs, jade, stylus, and jeet. For a newcomer, this is of course very confusing as no Vuejs examples uses jade, no jade examples uses vuejs, etc. However, for this project we need a backend which can handle api calls to Google maps, saving stuff, etc. Neither of us have experience doing this and I tried to build it in Rust and got it

问题 I'm trying to build an app in Python with Google App Engine that fetches followers of specific accounts and then their tweets. I'm basing it on this template and changing it to adapt it to what I need. The issue at the moment is that when I try to fetch followers, I get an DeadlineExceededError due to the Twitter API waiting time. I have found this post on how to fix the same problem and I think that in my case the best solution would be to use backends, but I noticed that they are deprecated

问题 I'm trying to implement this loss function : MCFD_loss_function from this document (P6) : Loss functions So I created a new function like this : def mcfd_loss(y_true, y_pred): return K.sum( # ∑ K.cast( K.greater( # only values greater than 0 (+ float32 cast) K.dot(K.sign(y_pred), # π K.sign(y_true)) , 0) , 'float32') ) But when I start training this error is raised : ValueError: An operation has None for gradient. Please make sure that all of your ops have a gradient defined (i.e. are

问题 According to this article gcc uses several intermediate formats before generating code. I read that the GIMPLE format uses three address code, which seems to be the easiest intermediate language to use. But I need some more detail, as I need to build a tool that can take the intermediate code and insert some code to it before generating the final code. For this I first need to know how can I even generate the GIMPLE format code and save it in a file. So I'm looking for some documents and

问题 I am having a problem trying to add a custom field called Discount_info to a simple product. I have created a new tab called discount_info which shows up in the simple product view just fine. Problem is trying to add a custom number field to this tab. I'm using the code below which is causing a 500 error. Any ideas where i am going wrong? // Display Fields using WooCommerce Action Hook add_action( 'woocommerce_product_options_discount_info', 'woocom_general_product_data_custom_field' );

问题 I'm trying to implement an action in which I will add permissions to all parent nodes. However, I need to run as admin to manage the permissions. Currently my code looks like this: permissionService = serviceRegistry.getPermissionService(); //Read the username of the current user final String loggedInUser = authenticationService.getCurrentUserName(); ChildAssociationRef childAssociationRef = nodeService.getPrimaryParent(actionedUponNodeRef); //Get the parent NodeRef NodeRef parent =

问题 I am having trouble with a field that seems to always want to be required despite my best wishes. My 'word_search' text field is always requesting data to be input but I have been trying to make sure the options allow for a blank. my model is this. You can see the blank=True,Null=True options class IAV(models.Model): z_score = models.DecimalField(max_digits = 4,decimal_places=4) screens = models.IntegerField(default=0) flu_proteins = models.IntegerField(default = 0) Key_word = models

问题 I have two spring boot application, one is 'AngularApp' (localhost:8870) supporting my front and the other one is 'batchApp'(localhost:8871) running some batches. I would like to upload a file from my 'Front' to 'AngularApp', then to 'batchApp' as illustrated below. Right now I did the upload from 'Front' to 'AngularApp', basically using REST API with one controller and service in 'AngularApp'. @PostMapping("/post") public ResponseEntity<String> handleFileUpload(@RequestParam("file")

问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 5 years ago . I am a web developer but recently I have been asked to build a backend of a mobile app.So basically there is a single form inside the app and the user fillup the form and hit submit and the data will be sent to a secured server.The app will be made by someone and I just need to