tabs | 易学教程

Is it possible to change actionbar tab indicator programmatically

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问题 How can i change programmatically the selected tab indicator of my action bar ? i have read about tab styling, and Tab.setCustomView() method, but none of these helps : With tab styles, i can change the indicator color, but it will remain for all tabs (i want to have an indicator for each tab). With tab custom view, i have used a layout with a TextView for tab title, and View for managing the indicator color. In the java i change the View 's background dynamically, but the problem with that

Opening tab with anchor link

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问题 I have some typical tab content and I really need some help. I would like to achieve, that when user tries to get to a specific tab via external anchor link (http://www.url.com#content2), the navigation link becomes activated and the correct tab is shown. Thank you for your help. HTML <nav class="inner-nav"> <ul> <li><a href="#content1">Inner nav navigation link1</a></li> <li><a href="#content2">Inner nav navigation link2</a></li> <li><a href="#content3">Inner nav navigation link3</a></li> <

Opening tab with anchor link

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How can I align text in columns using Console.WriteLine?

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问题 I have a sort of column display, but the end two column's seem to not be aligning correctly. This is the code I have at the moment: Console.WriteLine("Customer name " + "sales " + "fee to be paid " + "70% value " + "30% value"); for (int DisplayPos = 0; DisplayPos < LineNum; DisplayPos = DisplayPos + 1) { seventy_percent_value = ((fee_payable[DisplayPos] / 10.0) * 7); thirty_percent_value = ((fee_payable[DisplayPos] / 10.0) * 3); Console.WriteLine(customer[DisplayPos] + " " + sales_figures

How to change tab size on GitHub?

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问题 When I view files on GitHub, tabs appear as 8 spaces. Example: Is that possible to change this configuration to 2 or 4 spaces? 回答1: Update Yes . As stated by mortenpi, this can be done by through an additional query parameter. See his answer for more details. Original answer Is that possible to change this configuration to 2 or 4 spaces? No. It's only available as part of the editing feature through the Ace editor and the change is not persisted. This blog post gives some more information

How to add close button to a JTabbedPane Tab?

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问题 I'm working in with a JTabbedPane, I need to add a close button in the tabs to close the current one. I have been searching and as I understand I must extend from JPanel and add the close button as they say here But, is there a way to add the close buttons extending JTabbedPane or is there a easier way to do it? Thanks in advance, I really appreciate your time and your help. 回答1: Essentially, you're going to need to supply a "renderer" for the tab. Take a look at JTabbedPane.setTabComponentAt

How to check if text is “empty” (spaces, tabs, newlines) in Python?

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问题 How can I test if the string is empty in Python? For example, "<space><space><space>" is empty, so is "<space><tab><space><newline><space>" , so is "<newline><newline><newline><tab><newline>" , etc. 回答1: yourString.isspace() "Return true if there are only whitespace characters in the string and there is at least one character, false otherwise." Combine that with a special case for handling the empty string. Alternatively, you could use strippedString = yourString.strip() And then check if

Accessing the content of other tabs in browser

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问题 I am using Mozilla Firefox and I am trying to figure out a way to access the content of other tabs in the same window using JavaScript and DOM (I am open to other techniques if exist). E.g. I want to run a JavaScript in tab1 which can find the title of some other tab. Basically I need this so that I can identify a tab which has opened due an href in my current page without using window.open method. All I want is a simple hyper link which opens a page belonging to the same domain as the

Printing with “\t” (tabs) does not result in aligned columns

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问题 I have a very weird problem. After writing this: for (File f : currentFile.listFiles()) { if (f.isDirectory()){ System.out.println(f.getName()+"\t"+"Dir\t"+Command.getpremission(f)+"\t"+f.getTotalSpace()); } else{ System.out.println(f.getName()+"\t"+"File\t"+Command.getpremission(f)+"\t"+f.getTotalSpace()); } I see this printed: see.txt File rw 267642728448 see1.txt File rw 267642728456 see2.txt File rw 267642728448 Why is there a problem with the tabs? 回答1: Building on this question, I use

4.11、Bootstrap V4自学之路-----组件---导航

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【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> 关于易用性如果你使用导航来制作一个导航栏，请确保向 <ul> 的逻辑父元素添加了 role="navigation" 或者给整个导航条包裹一个 <nav> 元素。不要在 <ul> 的本身上面添加这个role，因为这将阻止它被使用辅助技术的用户声明为一个真正的列表。基础导航通过扩展基础的 .nav 组件，实现你自己的导航样式。所有的Bootstrap的导航组件都建立在这个基础上。包含禁用状态，但是不包含激活状态。 <ul class="nav"> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item"> <a class="nav-link" href="#">Another link</a> </li> <li class="nav-item"> <a class="nav-link disabled" href="#">Disabled</a> </li> </ul> 伪代码附上：（看结构）《ul class="nav"》 --| 《li class=