Filtering Large CSS Files For The Only Required Selectors On A Page - Creating Css Files That Contain Selectors?
Aug 9, 2010
Is there a way of filtering large CSS files for the only required selectors on a page, and creating css files that contain just these selectors?
Case: I have a very large CSS file that I want to filter on a per page basis, so that the file size is cut down and can be cached by mobile devices. I was thinking along the lines of something like a server side dust me selectors tool.The particular project I am working on is using ASP.NET MVC.
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Nov 26, 2010
I have a web forms app with a CSS file for layout. One of my elements, which will be much more difficult to do in CSS without using IDs, also has to have runat="server" since I control visibility server side.
<div id="x">
<div id="whatever" runat="server" visible="false">
<div id="y">
....
</div>
</div>
</div>
My problem is that in the CSS, I don't know how to ignore that whatever div with my selectors, and unless I inline the CSS and put in server to client control translation, I won't know the control names until runtime.
#x
{
position:absolute;
height:30px;
}
#x #whatever??? #y img
{
margin:-7px 15px 0 30px;
}
#x #whatever??? div
{
width:250px;
float:left;
}
How should I work around this? Is there a server side container control that doesn't render output but could be used to contol the visibility/rendering of its contents, or is there a trick in CSS to ignore that intermediate div? This is additionally confused by the fact I have the x div in a master page and the whatever and y divs are both in the page itself. I know this wouldn't be an issue if I were using MVC, but at this point switching is not an option.
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Nov 24, 2010
Ok heres the scenario: I have a table with many rows in it. Each row has a checkbox in one cell, and a span in another cell. What I want to do in my jquery is to go through the table and find each row where the checkbox is checked, and then store the value of the span in an array. I thought you might be able to do it as a selector rather than using a loop. I tried this but it didn't work
$('.cbox').is(':checked').parent().parent().children('.id-text').val();
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Oct 24, 2010
I'm creating an inbox system for my website which allows basic communication between users. I'm fetching the results with jquery calling a webservice. Then I'm using a jquery template engine to render the results to the screen. So far this all works good. but now I want to add some click functions on certain parts of inbox messages. For example I want the title of the message to be clickable so it will expand/collapse the fulltext which is hidden in a div beneath it.
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Feb 4, 2010
I am developing a application in C#, ASP.NET and I have a lot os divs in my page, each div is a container for a chat message and each div have a unique id: like this
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for (var j = 0; j < myMsgs.length; j++) {
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}
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Jan 5, 2012
I have a form that is dynamically created from a database, that enables or disables appropriate controls in a repeater.
This is all working fine, but it also needs branching. IE selecting a certain value for a certain field may make another field appear on screen.
I am not doing the database for this so im limited with chnages I can make on that side of things.
Basically im passed a table that looks like this: (Ive stripped out the irelevance)
qid
InitialStateVisible
QuestionIDChangeState
ChangeStateOption
ChangeStateID
[Code]...
basically I need to find the radiobutton list, check its selected value matches the equals then show the div.
Firstly I cannot get the jQuery right to get the selected value and secondly is this a good way of doing things?
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Feb 4, 2011
In my jquery functions, I have many references like this: $("[id$=DDL_DOB_Day]"). I use this format as it works with master pages. The question I have is can i create a sort of alias for this variable so my code is not full of longwinded names? For instance:
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if(dd == 1)
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Mar 12, 2011
i am able to click on the ImageButton and apply the Jquery highlight effect to a different div
$("#btnFavorite").click(function() {
// selector for element to highlight
$("#theDiv").effect("highlight", {}, 3000);
});
Now i would like to extend the question as follows. I add the ImageButtons to the webpage dynamically, and i would like to apply the effect on the div for every ImageButton click.
<asp:ListView ID="ListView1" runat="server">
<layouttemplate>
<asp:PlaceHolder id="itemPlaceholder" runat="server" />
</layouttemplate>
<ItemTemplate>
<asp:ImageButton ID="btnFavorite" runat="server" ImageUrl="~/Images/Favorite.png"/>
</ItemTemplate>
</asp:ListView>
What should i do in that case? By using ItemDataBound of the listview and adding attributes like btnFavorite.Attributes.Add("onmouseclick", "doSomething") or what?
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Mar 15, 2011
I have a CustomValidator client script method that checks the value of a <input type="date" id="start"/> control. I'm accessing the date value using jQuery $('#start').val(), which works fine in Firefox and Opera. When I test in Chrome/Safari, the js console says that $('#start') is null. There is no problem using $('#start') outside the CustomValidator client method in Chrome/Safari. There is also no problem accessing the #start date object via document.getElementById('start') inside the validation method.
why jQuery selectors are failing inside this validation method for Chrome/Safari?
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Dec 9, 2013
i want to check my fileuploas size . if bigger then 2mbm error message will popup, this is my some of my code
If file_newimage.HasFile = True Then
Dim ext As String
ext = System.IO.Path.GetExtension(file_newimage.FileName).ToString
If ext <> ".jpg" And ext <> ".png" And ext <> ".bmp" And ext <> ".jpeg" Then
MessageUser("Photo uploaded must be in .jpg/.png/.bmp/.gif or .jpeg format")
Else
If file_newimage.PostedFile.ContentLength > 2097000.0 Then
[Code]....
but when i input image 12MB, just to check my coding my page went "Page cant be displayed" ...
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Aug 4, 2010
When we include Javascript files in our aspx files. either we write all the Javascript code in the Head section of aspx or we link to an external Javascript file.
So when the clinet makes a call to that page. Does that mean that all the Javascript will be loaded on the client side?
If that is the case then does not that mean that it will slow down the loading of page as all the Javascript has to be loaded on the client machine?
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Feb 28, 2011
What are specific privileges required to upload and download files from an ASP.Net page?I am using .Net 3.5 with IIS 7.0Prior to upload/download, how do I check whether specific folder has specific privileges to upload/download filesThis was so easy in classic ASP, but it seems too tricky in ASP.Net
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Mar 22, 2010
Actually I'm not a professional in ASP.NET. I'm going a project that needs to support two languages (Russian and English).I've already completed the main parts and the site is now 95% functional.However, now I need to enable language selection on the site.
I'm going to do it with DropDownList, where a user chooses one language from DropDownList, the content must change to particular language.
All texts are displayed using server controls like Labels and Literals. Links are in Hyperlink or LinkButton.
I did some research to handle with my condition, but no-one suits on my condition, because I've almost completed the application. How to generate Global Recourse files for controls on the page?
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Feb 23, 2011
I am trying to upload Videos to YouTube API... It's working fine if my video file is < 4 MB..
Below is my code.. i think the issue is related to Request Length?!
Update: the error i am getting is "Cannot close stream until all bytes are written."
Upload Code.YouTubeRequestSettings settings = new YouTubeRequestSettings("App NAME", "DeveloperKEY", "UserName", "Password");
YouTubeRequest request = new YouTubeRequest(settings); [code]....
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Feb 11, 2011
We use the MojoPortal to a website and have some problems to upload files that is around 100 MB with the upload module. (Pleas note that this has probably nothing to do with MojoPortal but with the ASP.NET and the IIS)
The MojoPortal is set to use regular file Upload(not Neat Uploader) and to be able to upload big files we have set the following :
<httpRuntime maxRequestLength="2097151" executionTimeout="18000" requestValidationMode="2.0"/>
And :
<compilation debug="false" defaultLanguage="C#" targetFramework="4.0">
The problem is that the upload will cacel after a couple of minuts (Aborted).
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Jun 12, 2010
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Feb 15, 2010
I am building a website where i need a page where user can upload large video files, i have created WCF service with streaming but i am calling that WCF service from Button_Click event of web page.
I have used below mentioned article for WCF service creation
WCF Streaming
I have used streaming as it should be efficient and should not be buffered in memory of server.
Now questions
1) I am having doubts that the entire file is uploaded to the web server and then it is transferred to WCF Service server...if this is true then i am not getting advantage of streaming as well as iis and web server will be down very soon if user uploads large file or multiple user are uploading files con currently
2) Is there any other efficient way to do same operation with some other technique
EDIT :
If I am not calling WCF Service method from ASP .Net code in that case also it is transferring bytes to the web server which i have checked with HTTPFox
I have checked above thing with upload control and putting one button on UI whose click event is bound to one method in code behind.
So, still i am having that confusion that how data is transferred
Client Machine - Web Server (ASP .Net Application) - Service Server (WCF Service)
Client Machine - Service Server (WCF Service)
NOTE : If i am putting a debug point on button_click and uploading 10 kb file it hits that in less then 1 sec. but if i am uploading 50 mb file then it is taking time.
I placed code of calling WCF service inside that button_click event
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Oct 26, 2010
I am unable to upload even 75MB file ... it seems MS for some good sake is putting a limit of the file. how can I overcome this issue.
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Jan 6, 2011
I need to create an upload site to upload large files over 2GB I want ot create a site like [URL]. Once these files get upload i want them to have a link to the file created but the link encrypted. I know there is a limit to http upload. I have used a bunch of the flash upload web apps but are capped at a specfic mb becuase of .net. What options are out there.
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May 14, 2010
I'm using a web form that allows users to upload media files. The code works great on small to medium size files, but I've found that if a file is really big(like bigger than 15MB), the user will get a 404 error. Currently I'm using the code below to handle the file. Does .NET provide another way to handle larger files?
[Code]....
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Jun 1, 2010
I used this sample to work around the issue we were having with large files. [URL] Unfortunately, when I attempt to download large files of 30MBs or more, the download times out and the user gets a partial download. It doesn't seem to be a consistant percentage of the download either. I attempted to download a 50MB file and got to 33MB. When trying a 30MB file, I downloaded 24MB.Below is my code.
if (File.Exists(strFilePath))
{
fileName = System.IO.Path.GetFileName(strFilePath);
Response.Clear();
system.IO.Stream iStream = null;
byte[] buffer = new Byte[10000];
int length;
long dataToRead;
try
{
iStream = new System.IO.FileStream(strFilePath, System.IO.FileMode.Open,
System.IO.FileAccess.Read, System.IO.FileShare.Read);
dataToRead = iStream.Length;
//FileInfo file = new FileInfo(strFilePath);
Response.ContentType = "application/octet-stream";
Response.AddHeader("Content-Length", iStream.Length.ToString());
Response.AddHeader("Content-Disposition", "attachment; filename=" + fileName.Replace(" ", string.Empty));
while (dataToRead > 0)
{
if (Response.IsClientConnected)
{
length = iStream.Read(buffer, 0, 10000);..................
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Jun 22, 2010
I'm testing a very simple aspx page on Visual Studio's own ASP.NET Development Server(the local server). On the webpage there is a FileUpload control which can upload jpg file up to 2MB without problems. On uploading bigger files, the browser immidiately show "The web page cannot be displayed". It does not show any exception which really puzzles me. "The web page cannot be displayed" is normally caused by network problem, but in this case it's a local server and it can handle smaller jpg file fine. Whta's the problem here?
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Oct 18, 2010
We have a problem with some people working from home where when uploading 30-40mb (max upload is 50mb) they are timing out. Naturally when these people are on site they have no problems because of the network speed with have. What are peoples thoughts about extening the time out period, working on an 250k upload speed from home, we would be thinking about 20 to 30 mins.
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Oct 25, 2010
We'd like to restrict the maximum upload file size in our web site. We've already set the appropriate limits in our web.config. The problem we're encountering is if a really large file (1 GB, for example) is uploaded, the entire file is uploaded before a server-side error is generated, and the type of the error is different whether the file is huge or not. Is there a way to detect the size of a pending file upload before the actual upload takes place?
Here's my relevant web.config settings that restrict requests to 16 MB:
[Code]....
Update:
I know that client-side technologies like Flash can detect file sizes before upload, but we need a server-side workaround because we're wanting to target platforms that have no Flash/Java/ActiveX/Silverlight support. I believe that IIS or ASP.NET has a bug that's allowing large files to be uploaded despite the limits, so I've filed a bug here.
Would an ISAPI extension give me more control over request processing than HTTP modules and handlers, such as allowing me to abort an upload if the Content-Length header is seen to be larger than the allowed limit?
Update 2:
Sigh. Microsoft has closed the bug I filed as a duplicate but has provided no additional information. Hopefully they didn't just drop the ball on this.
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Jul 16, 2010
I have an RSS-reader in one of my webservices. I then utilize the webservice using javascript and everything works fine with small to moderately sized RSS-feeds.
But the webservice keeps timing out when I'm trying to use larger RSS-feeds.
ie. this feed from Youtube: [URL]
Javascript
VideoModule = {
LoadVideos: function () {
var ret = RSSService.GetFeed("http://gdata.youtube.com/feeds/base/users/TheOnion/uploads?alt=rss&
[Code]....
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