dynamically-generated | 易学教程

Generating dynamic CSS

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问题 What is the best way to handle style that that is user-customized? Just as an example of the result I'm looking for, this would suffice: body { color: {{ user.profile.text_color }}; } However, serving CSS as a view seems like it would cause a significant amount of overhead in a file that is constantly requested, so this is probably not a good solution. The user does not have access to the CSS files and we must assume that they have no web development knowledge. 回答1: However, serving CSS as a

Performance of compiled-to-delegate Expression

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I'm generating an expression tree that maps properties from a source object to a destination object, that is then compiled to a Func<TSource, TDestination, TDestination> and executed. This is the debug view of the resulting LambdaExpression : .Lambda #Lambda1<System.Func`3[MemberMapper.Benchmarks.Program+ComplexSourceType,MemberMapper.Benchmarks.Program+ComplexDestinationType,MemberMapper.Benchmarks.Program+ComplexDestinationType]>( MemberMapper.Benchmarks.Program+ComplexSourceType $right, MemberMapper.Benchmarks.Program+ComplexDestinationType $left) { .Block( MemberMapper.Benchmarks.Program

Creating an XML for Dynamically created Elements

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问题 I want XML for the TextViews and EditTexts created dynamically . Some blogs suggest that there are some Third Party Libraries that can do that but I wasn't able to find one. I am basically creating TextViews & EditTexts dynamically in my code on a button click. Code: LinearLayout linearLayout1 = (LinearLayout) findViewById(R.id.linearLayout1); for (int x = 0; x < 1; x++) { Display display = ((WindowManager) getApplicationContext() .getSystemService(Context.WINDOW_SERVICE)) .getDefaultDisplay(

Create xslt files programmatically

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问题 I know that I can create xml files programmatically by using DOM api in java like the following: DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance(); DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder(); Document document = documentBuilder.newDocument(); Element rootElement = document.createElement("map"); document.appendChild(rootElement); Element em = document.createElement("string"); em.setAttribute("name", "FirstName"); .... But

Automatically generate nested table of contents based on heading tags

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问题 Which one of you crafty programmers can show me an elegant php coded solution for automatically generating a nested table of contents based on heading tags on the page? So I have a html document thus: <h1> Animals </h1> Some content goes here. Some content goes here. <h2> Mammals </h2> Some content goes here. Some content goes here. <h3> Terrestrial Mammals </h3> Some content goes here. Some content goes here. <h3> Marine Mammals </h3> Some content goes here. Some content goes here. <h4>

get values from dynamically added textboxes asp.net c#

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问题 as suggested in the title i have in which i can insert how many textboxes i want to add to a placeholder. i can add the textboxes just fine the problem is i cant get the values inserted on those dynamically added textboxes. here's my code the purpose of this piece of code is to whenever the textbox in which i can introduce the number of textboxes i want. it creates and adds them to the placeholder in my page. public void txtExtra_TextChanged(object sender, EventArgs e) { for (a = 1; a <= int

Jquery .change() function not working with dynamically populated SELECT list

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问题 I have a select field that is dynamically populated with an ajax call that simply returns all the HTML select options. Here is the part of the PHP that just echo's the select tags and dynamically fills out each option/value. echo "<select name='player1' class='affector'>"; echo "<option value='' selected>--".sizeof($start)." PLAYERS LOADED--</option>"; foreach ($start as $value) { echo "<option value='".$value."'>".$value."</option>"; } echo "</select>"; } After this list is populated, I'm

Unobtrusive validation not working on dynamically-added partial view

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I am currently facing a problem with validation after dynamically adding content. I have a view strongly typed to a model ( Order ). This Order can have many items. The model looks something like the following: public class Order { [Key] [HiddenInput] public int id { get; set; } [Display(Name = "Order Number")] public string number { get; set; } [Display(Name = "Order Date")] [DataType(DataType.Date)] [DisplayFormat(ApplyFormatInEditMode = true, DataFormatString = "{0:MM/dd/yyyy}")] public DateTime date { get; set; } [Required(ErrorMessage = "Beneficiary is required.")] [Display(Name =

C++ Boost qi recursive rule construction

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问题 [It seems my explanations and expectations are not clear at all, so I added precision on how I'd like to use the feature at the end of the post] I'm currently working on grammars using boost qi. I had a loop construction for a rule cause I needed to build it from the elements of a vector. I have re-written it with simple types, and it looks like: #include <string> // using boost 1.43.0 #include <boost/spirit/include/qi.hpp> #include <boost/spirit/include/qi_eps.hpp> #include <boost/spirit

jQuery .on() event doesn't work for dynamically added element

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问题 I'm making a project where a whole div with buttons is being inserted dynamically when user click a button, and inside that div there's a button, which when the user click on it, it does something else, like alerting something for example. The problem is when i press on that button in the dynamically added div, nothing happens. The event doesn't fire at all. I tried to add that div inside the HTML and try again, the event worked. So i guess it's because the div is dynamically added. The added