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Springboot---显示图片/字符串/map集合/list集合

由 不问归期 提交于 2020-02-04 12:33:30
1.字符串/图片/map集合 @GetMapping("/hello") public String test(Model model){ String message="first thymeleaf !!"; model.addAttribute("message",message); User u = new User(); u.setId(1); u.setName("ttttttt"); u.setAge(18); Map<String,Object> map=new HashMap<>(); map.put("s1","/static/1.jpg"); map.put("s2","/static/2.jpg"); model.addAttribute("message", message); model.addAttribute("user", u); model.addAttribute("src", map); return "index2"; } index2.html<body> <h1 th:text="${message}"></h1> <img th:src="${src.s1}"/></br> <img th:src="${src.s2}"/></br> 实体类信息<br> <span th:text="${user.id}"></span> <span

My messagebox does not work in this GridPane

由 时间秒杀一切 提交于 2020-01-25 06:50:33
问题 I am taking a GridPane example from an book. The book is not the most recent. When I try to use the Internet I keep getting Scene Builder which is not what I want to use. I am using NetBeans IDE 8.2, and I have 2 problems with this program. Within the btnOk_Click() I am trying to choose Small, Medium, Large AND Thin, Thick . The program puts them in the same group. Also, this MessageBox.show(msg, "Order Details"); //????? may be out dated. The btnCancel_Click() works, but the btnOk_Click()

Google Script : Sending Hangout Messages using Script

由 萝らか妹 提交于 2020-01-24 10:37:11
问题 Is it possible to send Hangout messages to someone using Google Scripts. If there is, can you post an example script that shows the sending of Hangout Messages. 回答1: Google Chat used to use XMPP which may have done but Hangouts uses its own proprietary protocol. https://www.eff.org/deeplinks/2013/05/google-abandons-open-standards-instant-messaging There has recently been a 3rd party reverse engineering project for the protocol - a python library - which you could fork for GAS but like all

JSF 2.0 validateRegex with own validator message

由 做~自己de王妃 提交于 2020-01-23 07:05:56
问题 i am having a code similar to this: <h:inputText id="email" value="#{managePasswordBean.forgotPasswordEmail}" validatorMessage="#{validate['constraints.email.notValidMessage']}" requiredMessage="#{validate['constraints.email.emptyMessage']}" validator="#{managePasswordBean.validateForgotPasswordEmail}" required="true"> <f:validateRegex pattern="^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,6})$" /> </h:inputText> The validator in the backing bean has its own validation

Updating GUI: Runnables vs Messages

由 六月ゝ 毕业季﹏ 提交于 2020-01-20 13:27:47
问题 To update the GUI from other threads, there are basically two main approaches: Use java.lang.Runnable with any of these methods: Activity.runOnUiThread(Runnable) View.post(Runnable) View.postDelayed(Runnable, long) Handler.post(Runnable) Use android.os.Message: Handler.sendMessage(Message) / Handler.handleMessage(Message) You can also use AsyncTask, but my question is more focused on the use case of updating a very simple component. Let's see how it would be done using both approaches: Using

Updating GUI: Runnables vs Messages

由 て烟熏妆下的殇ゞ 提交于 2020-01-20 13:21:05
问题 To update the GUI from other threads, there are basically two main approaches: Use java.lang.Runnable with any of these methods: Activity.runOnUiThread(Runnable) View.post(Runnable) View.postDelayed(Runnable, long) Handler.post(Runnable) Use android.os.Message: Handler.sendMessage(Message) / Handler.handleMessage(Message) You can also use AsyncTask, but my question is more focused on the use case of updating a very simple component. Let's see how it would be done using both approaches: Using

How to create an alert box without using Tkinter?

由 五迷三道 提交于 2020-01-17 18:11:32
问题 I need to create a message box in python without using python Tkinter library so that I can use that before using exit() function this will display the message and answer as soon as user presses okay, user gets out of program. 回答1: Here's one way to do it with Windows' msg command. The code is based on @ErykSun's comment under the question Can't execute msg (and other) Windows commands via subprocess. import os import subprocess sysroot = os.environ['SystemRoot'] sysnative = (os.path.join

How to create an alert box without using Tkinter?

由 只愿长相守 提交于 2020-01-17 18:10:19
问题 I need to create a message box in python without using python Tkinter library so that I can use that before using exit() function this will display the message and answer as soon as user presses okay, user gets out of program. 回答1: Here's one way to do it with Windows' msg command. The code is based on @ErykSun's comment under the question Can't execute msg (and other) Windows commands via subprocess. import os import subprocess sysroot = os.environ['SystemRoot'] sysnative = (os.path.join

IMAP command to get size of message

由 落爺英雄遲暮 提交于 2020-01-17 07:44:10
问题 I am looking for the best way to get the sizes of messages using IMAP(i am writing a simple c# lib for myself). Basically a POP3 STAT command equivalent would be good, but it does not exist. I am thinking of fetching the message header and getting the content-length field. Anyone got a better idea or solution? 回答1: Perhaps using the FETCH NNN HEADER is the only way of doing that. Have you checked the spec for FETCH NNN RFC822.SIZE ? Also perhaps a good idea would be to learn from fetchmail

how to send data from website server to android app

由 二次信任 提交于 2020-01-15 12:33:28
问题 I had a requirement in a project to configure a theme for android application using a .NET website. The options that i have is to implement a polling service from android app to server which polls frequently to see if any change is required. Can any one point any better way or method to send data from a website to android app rather than the app polling the website server frequently 回答1: A better but more complex way to do it is to use Google Cloud Messaging (aka Push Notifications). This way
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