position

How to position a child view relative to containing view size?

匿名 (未验证) 提交于 2019-12-03 08:35:02
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I want to be able to position my child view 25% the size of the super view from the top. NSLayoutConstraint *topPositionConstraint = [NSLayoutConstraint constraintWithItem:_containerView attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:_childView attribute:NSLayoutAttributeHeight multiplier:0.25f constant:0.0f]; However, right now I'm getting the following exception: 'NSInvalidArgumentException', reason: '*** +[NSLayoutConstraint constraintWithItem:attribute:relatedBy:toItem:attribute:multiplier:constant:]: Invalid

Change bullets color of an HTML list without using span

匿名 (未验证) 提交于 2019-12-03 08:33:39
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I was wondering if there is a way to change the color on the bullets in a list. I have a list like this: House Car Garden It is not possible for me to insert anything in the li's such as a 'span' og a 'p'. So can I change the color of the bullets but not the text in some smart way? 回答1: If you can use an image then you can do this. And without an image you won't be able to change the color of the bullets only and not the text. Using an image li { list-style-image: url(images/yourimage.jpg); } See list-style-image Without using an image Then

How to get the selected item from ListView?

匿名 (未验证) 提交于 2019-12-03 08:33:39
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: in my Android app I have created a ListView component called myList, and filled it with objects of my own custom type: class MyClass{ private String displayName; private String theValue; ... //here constructor, getters, setters and toString() are implemented } I used the ArrayAdapter to bound the ArrayList theObjects with myList: ArrayAdapter adapter= new ArrayAdapter (this, R.layout.lay_item, theObjects); myList.setAdapter(adapter); This works fine, the list is populated and etc., but when I'm trying to access the selected item, i receive a

C# - Cursor position (all screen) [duplicate]

匿名 (未验证) 提交于 2019-12-03 08:33:39
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: This question already has an answer here: Getting mouse position in c# 8 answers help me please! :) My program should get cursor position (all screen) every ~50 ms and them write in text Box . How it make? Example: private void Form1_MouseMove(object sender, MouseEventArgs e) { textBox1.Text = e.X.ToString(); textBox2.Text = e.Y.ToString(); } but we get position only in window it's really do? 回答1: you can use Cursor.Position : textBox1.Text = Cursor.Position.X.ToString(); textBox2.Text = Cursor.Position.Y.ToString(); btw , welcome to SO ,

How to set Spinner default value to null?

匿名 (未验证) 提交于 2019-12-03 08:33:39
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I'm trying to get a Spinner to load up with no selected value. Once the user selects a value it then takes them to another page. This is proving to be a problem because at present, the page just loads straight away before the user gets a choice to choose. My spinner class is set up the same way as Google's: http://developer.android.com/resources/tutorials/views/hello-spinner.html So basically, is it possible have a spinner that loads with nothing selected because at present, it loads the first item in my string array. 回答1: is it possible

Android ListView child View setEnabled() and setClickable() do nothing

匿名 (未验证) 提交于 2019-12-03 08:33:39
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I'm doing some AsyncTask work after user clicks an item in my ListView . I'd like to disable the item so it can't be clicked twice. I've simplified the click listener to contain only this method, but it still doesn't do anything for me, the view looks the same and it lets itself be happily clicked again, much to my annoyance. public void onItemClick(AdapterView> parent, View clickedView, int position, long id) { item = (Episode) parent.getItemAtPosition(position); clickedView.setClickable(false); clickedView.setEnabled(false); clickedView

Creating Image Gallery using Drawable images in res folder

匿名 (未验证) 提交于 2019-12-03 08:30:34
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I am new to android. I have a requirement now. I need to add around 10 images in the res/drawable folder and on running the app i should display this images on a listView.and on selecting any of the image i should display this image in the new activity should be able to zoom in and zoom out. Please help me out to figure out this with the sample code. Thanks in advance. 回答1: this example for create Gallery, select one and set to selectedImageView. so after that you can do everything with selectedImageView. public class MyActivity extends

clear a custom adapter

匿名 (未验证) 提交于 2019-12-03 08:28:06
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: ive implented a searchbar into my ListView and so far it works correctly except that the adapter is acting weird. Everytime i call its clear function my listview still shows the "old" content. public abstract class MYLISTITEM extends BaseAdapter { private Context activity; private List<String> data; private static LayoutInflater inflater=null; private int ItemIcon; private boolean moreVis; public MYISTITEM(Context a, int IconID,boolean vis) { activity = a; data = new ArrayList<String>(); inflater = (LayoutInflater)activity.getSystemService

Moving to Spring Boot 1.5.1 and OAuth2 + JWT token - Error 401 Unauthorized

匿名 (未验证) 提交于 2019-12-03 08:28:06
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: I'm trying to move my project to Spring Boot 1.5.1 and right now my configuration of Outh2 + JWT tokens stopped working. Right now I receive 401 error while performing a following test: RestTemplate restTemplate = new RestTemplate(); CreateDecisionRequest decisionRequest = new CreateDecisionRequest(name, description, url, imageUrl, parentDecisionId, tenantId); HttpHeaders headers = new HttpHeaders(); headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON)); headers.add(SecurityTestUtils.AUTH_HEADER_NAME, "Bearer " + accessToken);

使用VUE分分钟写一个验证码输入组件

风格不统一 提交于 2019-12-03 08:12:28
本文转载于: 猿2048 网站⇨ https://www.mk2048.com/blog/blog.php?id=hc0c1iiccb 效果 先来看波完成效果图 预览地址 github地址 npm地址 需求 输入4位或6位短信验证码,输入完成后收起键盘 实现步骤 第一步 布局排版 <div class="security-code-wrap"> <label for="code"> <ul class="security-code-container"> <li class="field-wrap" v-for="(item, index) in number" :key="index"> <i class="char-field">{{value[index] || placeholder}}</i> </li> </ul> </label> <input ref="input" class="input-code" @keyup="handleInput($event)" v-model="value" id="code" name="code" type="tel" :maxlength="number" autocorrect="off" autocomplete="off" autocapitalize="off"> </div> 使用li元素来模拟输入框的显示