tags | 易学教程

<script> tag position before <html> tag

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问题 Can a <script> tag between <!DOCTYPE html> and <html> be valid? The reason I ask is I found the code I've described above. Can it be valid under any circumstances? 回答1: No. <html> is the root (or document) element of an HTML document; it must be the only root-level element in an HTML document (it cannot have any siblings). Further, HTML can only contain <head> and <body> (specifically one of each), meaning that any other tags (e.g. <script> must be descendants of <head> or <body> . 回答2: I don

How to get value from DB in Struts 2 dropdown along with list

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问题 I am using Struts2 framework for my application and my code is as follows, /*Setting dynamic dropdown of service Type*/ ShowSearch drop=new ShowSearch(); service=drop.serviceType(); setService(service); I am getting list of values from DB (Lets say values are "Apple","Cat","Jack","Zag") and it has shown in struts2 dropdown as mentioned in JSP . <s:select id="serviceType" name="serviceType" label="What is the service offering" required="true" value="%{serviceType}" list="service" /> When I am

Tag driven database for asynchron BI

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问题 I'm having a little problem coming up with an architecture for tag driven software I'm designing. What I want to do is store plain text in database, which is liked to an owner and other entities. The plain text is filled with tags just like Twitters hashtags and should be searchable/indexable. That can be done application side and as a result I'm gonna have tons of small chunks of data that need to be processed for business intelligens. No one is gonna ready the plain text it's only about the

How to get content of the meta tag of a webpage

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问题 I am trying to read the content of a meta tag of a secure web page. But finding it difficult as the properties are not the general one like name, author etc. If their is any way possible please tell. Thanks in advance. 回答1: did you gone through these post in php.net ? <meta name="author" content="name"> <meta name="keywords" content="php documentation"> <meta name="DESCRIPTION" content="a php manual"> <meta name="geo.position" content="49.33;-86.59"> </head>  read

jQuery : A simple tag replacement

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问题 I just want to replace all <p> tags with <tr> function test() { $("p").each(function(index) { var htmlStr = $(this).html(); $(this).replaceWith("<tr>" + htmlStr + "<\/tr>"); }); } It's not working. the replacement does work but the html content of the <p> tags is removed. so the output would be something like <tr></tr> Also, this function will go through all the entire html page, right ? I just want it to be processed on my #content_div . Is there anything I should add or before $("p") ? 回答1:

How can I get a list of tags with the first line of the summary?

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问题 git tag only shows the following for me: v1.0 v2.0 v3.0 v4.0 v5.0 v7.10 v7.2 v7.3 v7.4 v7.5 v7.6 v7.7 v7.8 v7.9 git tag --sort="v:refname" -l is at least sorted the right way (although I'd prefer the reverse order). But is there something similar to git log --tags --decorate --simplify-by-decoration --oneline Except for the fact that it does not print the log but make something like less does (I'm not sure how it is called), I like it. So it would be good if that was displayed when I enter

How to split a string using struts 2 tags? [duplicate]

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问题 This question already has an answer here : String Split using struts2 (1 answer) Closed 6 years ago . For Example: String str="A:B"; I want to split A & B using Struts2 tags and display individually. 回答1: Like @Alexander Cogneau says or with String::split function here is an example: java public String[] getSplittedString() { String str = "A:B"; return str.split(":"); } interface <s:iterator value="splittedString" status="someSplittedString" var="string"> <s:textfield name="splittedString"

Remove html tags AND get start/end indices of marked-down text?

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问题 I have a bunch of text that in markdown format: a**b**c is a b c. I've got it converted to html tags to be more regular: a<strong>b</strong>c I know there's a lot of tools out there to convert to plain text, but I want to both do that, AND get the indices of the inner text for each markdown/tag. For example, the input a<strong>b</strong>c would return both the stripped text: abc and give me the start (position of first char(b)) and end (position of first char AFTER the tagged string(c)), so

Match tags in MYSQL

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问题 I wanted to know how can you search in tags p.s. I have a table where there is a column for tags "bar,barmen,drink". In search for example people search for barmen drink, how do I match this, I tried LIKE, INSTR() but no luck, the point is that tags column content doesn't have spaces between. It's like "bar,barmen,drink" not like "bar, barmen, drink" Any help..? 回答1: This is a problem inherent with this type of design. Short of changing how you store the data, you'd have to do a search like

How to export AEM tags into Excel

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问题 Yesterday I had to export all AEM tags into Excel file. While surfing for the best solution to do this, I've found out that almost everyone advices writing custom code that takes all of tags and enters it into Excel file. I consider that solution good, but since there are a lot of people that do things like this for the first time and it will probably take some time for them to figure out how to do this. For them, let's share some workarounds for this problem. 回答1: To get a comma separated