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• Javascript check all checkboxes in a table / asp.net

  - by SLC

  I have a table with rows in, and each row has a few <td> elements. The last element has a checkbox in. They are in a <div> which is set to runat="server". I have another checkbox on the page called "chkAll" that when clicked, I want to javascript check or uncheck all of the checkboxes in my table. I'm not very good at Javascript, so I am not sure what to do. I added a javascript onclick method, and put document.getelementbyid and put in the div.clientID, but I wasnt sure what to do from there. Any ideas?

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• Creating Wiki Pages through code or CAML

  - by Joe Capka

  We are trying to create a site definition that includes a wiki page. Basically we are trying to figure out how to replicate the same process that happens when a user chooses to create a new page in a blank site, and the system says something along the lines of: "In order to create wiki pages on this site, there must be a default wiki page library and site assets library. Would you like to create those document libraries now?" When the user chooses yes, the system provisions those libraries as well as a few "howto" wiki pages. If anyone knows how to trigger that roll-out though code or CAML, we would appreciate the help.

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• javascript: How to assign a function to an element.

  - by Tom

  Hi, Here's what I want: I have an element in my html code, and I want to assign a function to the onClick event, depending on some conditions to be known down the road. For example <a href="" id = "element"><img .....> //other code </a> Then I want to do something like this <logic:equals some_condition> <script> var e = document.getObjectById("element"); e.onClick = my_function(); </script> </logic> But I cant get it working. Is there any special syntax? I've tried with e.onClick = my_function; e.onClick = function(){my_function();} Sadly i'm in IE 6. Thanks in advance.

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• Simple interlinear gloss: aligned bilingual paragraph

  - by D W

  An interlinear gloss can be used to layout a translation of a document. http://en.wikipedia.org/wiki/Interlinear_gloss Usually this is done word-by-word or morpheme-by-morpheme. However, I would like to do this in a different way, translating entire paragraphs at a time. http://www.optimnem.co.uk/learning/spanish/three-little-pigs.php For now I am not interested in taking into account the order of words or phrases that change order between languages. That is, I don't mind if the words in the paragraph are not aligned or if the length of one paragraph is much longer than the other, causing an overhanging line. As far as I can tell, the following packages do not meet my needs: covingtn.sty cgloss4e.sty gb4e.sty lingmacros.sty - shortex

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• How do you automatically refresh part of a page automatically using AJAX?

  - by Ryan

  $messages = $db->query("SELECT * FROM chatmessages ORDER BY datetime DESC, displayorderid DESC LIMIT 0,10"); while($message = $db->fetch_array($messages)) { $oldmessages[] = $message['message']; } $oldmessages = array_reverse($oldmessages); ?> <div id="chat"> <?php for ($count = 0; $count < 9; $count++) { echo $oldmessages[$count]; } ?> <script language="javascript" type="text/javascript"> <!-- setInterval( "document.getElementById('chat').innerHTML='<NEW CONTENT OF #CHAT>'", 1000 ); --> </script> </div> I'm trying to create a PHP chatroom script but I'm having a lot of trouble getting it to AutoRefresh The content should automatically update to , how do you make it do that? I've been searching for almost an hour

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• jquery .attr('alt','logo').css('display','none') not working !!!

  - by Cesar Lopez

  I have the three following lines and the first two line gets all the images on the document and hides all, but then when I add the third line shows all the images. What I need its to hide only the images with the attribute alt=minimize and alt=maximize but for some reason hides all the images. $('img').attr('alt', 'minimize').css("display","none"); $('img').attr('alt', 'maximize').css("display","none"); $('img').attr('alt', 'logo').css("display","inline"); I am using IE7, but it should be compatible with IE6 and IE8. Any help would be very much appreciated. Thanks.

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• How to make this very long url appear short?

  - by Camran

  I have made most my site SE friendly, but one part of my site bugs me... I have a HUGE form in one of the pages, and when submitting the form (action=php_page) URL is so long it covers half a word document in one line with all the passing variables... This is very ugly... Is there any way to make this long URL appear short? Or some other solution you know of? Let me know if you need more input... Thanks

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• iframe height is giving wrong value

  - by user1668527

  I have HTML page which contains line: <iframe id="xyz" width="900" height="250" scrolling="no"..></iframe> From my firefox extension i'm trying to get the iframe height. so i'm registering the browser to a event as follow in my extension: appcontent.addEventListener("DOMContentLoaded",myfunction); where appcontent is browser object, myfunction(event): function { var framelist =window.content.document.getElementsByTagName("iframe"); for(var i=0;i<framelist.length;i++) { if(framelist[i].id == "xyz") var frameheight=framelist[i].height; } } when i tried to load this page intially frameheight gives 250 as per in html page but then it gives 0 as height. What would be the cause for this behaviour. is any other script changing the value of iframe height in between ? Help me

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• jQuery + Simple Dialog

  - by Panther24

  Hi, I have a jQuery Model windows which contains a form. On creating of the page, I'm able to see the fields although in my dialog, i have set autoOpen to false. All the forms are in a div. a sample of my dialog looks like this: $("#dialog-form").dialog({ autoOpen: false, height: 460, width: 750, modal: true, buttons: { 'Create Map': function() { document.registerFrm.submit(); }, Cancel: function() { $(this).dialog('close'); } }, close: function() { allFields.val('').removeClass('ui-state-error'); } }); Any way to resolve, I don't want the form fields to be visible on load/creation of the page.

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• Javascript code for serial img loading

  - by Surfer

  Hi everyone, I am new to javascript. I want a javascript code with which i can load an image which is named for every day/month/year. in a serial i have the following code : var year = new Array(); year = ["08", "09", "10", "11"]; var month = new Array(); month = ["JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JULY", "AUG", "SEP", "OCT", "NOV", "DEC"]; var date = new Array(); date = ["01", "02", "03", "04", "05", "06", "07", "08", "09", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24", "25", "26", "27", "28", "29", "30", "31"]; var ims = ""; for (var x in year) { for (var y in month) { for (var z in date) { ims += "<im src=screencover/img/" + date[z] + "" + month[y] + "20" + year[0] + ".png>"; } } } document.write(ims);

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• Alt attribute encoding with JavaScript

  - by MainMa

  Hi, Html entities must be encoded in alt attribute of an image in HTML page. So <img id="formula" alt="A &rarr; B" src="formula.png" /> will work well. On the other hand, the same JavaScript code will not work document.getElementById('formula').alt = 'A &rarr; B'; and will produce A &rarr; B instead of A → B. How to do it through JavaScript, when it is not possible to put the special (unencoded) characters in the source code?

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• what is the difference b/w these codes javascript ?

  - by dhaliwaljee

  < input type='text' id='txt' name='txtName' size='20' value='testing'/> <script type="text/javascript" language='javascript'> var val = document.getElementsByName('txtName'); alert(val[0].value); alert(window.txtName.value); </script> In above code we are using alert(val[0].value); alert(window.txtName.value); these two ways for getting value from object. What is the difference b/w both ways and which way is best.

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• iPhone app getting XML then refreshing it at intervals...

  - by user157733

  I have an app which gets some data from the web via an XML document. I have this working fine and have followed apples SeismicXML example (uses NSURLRequest etc). I am very new to this so I have to admit that I do not totally understand all the code that gets the XML - but it is working. My problem is that my app may be running for some time so I want to be able to refresh the XML every now and again and check to see if it is different. If it is different I need to update my contents. Basically this means my questions are.... Is there a standard way of doing this? I was thinking of creating a timer to call the function which parses the XML but I can't figure out which function to call. If anyone can give me any pointers or even better examples of this it would be fab. Thanks

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• Using JS Methods in jQuery

  - by Wasabi

  In the following code snippet, the String.fromCharCode is used, can all JS methods be used within jQuery? Perhaps a noob question, but better to ask and prove a noob, then assume and be a fool. // Invoke setBodyClass when a key is pressed $(document).keyup(function(){ switch (String.fromCharCode(event.keyCode)){ case 'D': setBodyClass('default'); break; case 'N': setBodyClass('narrow'); break; case 'L': setBodyClass('large'); break; } });//end keyup

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• get js file query param from inside it

  - by vsync

  I load this file with some query param like this: src='somefile.js?userId=123' I wrote the below function in 'somefile.js' file that reads the 'userId' query param but I feel this is not the best approach. Frankly, its quite ugly. Is there a better way? function getId(){ var scripts = document.getElementsByTagName('script'), script; for(var i in scripts){ if( scripts.hasOwnProperty(i) && scripts[i].src.indexOf('somefile.js') != -1 ) var script = scripts[i]; } var s = (script.getAttribute.length !== undefined) ? script.getAttribute('src') : script.getAttribute('src', 2); return getQueryParams('userId',s); };

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• Linq: read node innertext

  - by nabo

  i have a xml document like this: <ns:a xmlns:ns="http://NS1"> <ns:b> <c xmlns="http://differentNS"> c_text </c> <x xmlns="http://differentNS"> Wanted </x> <d xmlns="http://differentNS"> d_text </d> </ns:b> </ns:a> Now i want to use linq to read the element's "x" inner text.

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• ImageData of an externally loaded Image?

  - by sri

  I load an external image and draw it on the Canvas element like so: var canvas = document.getElementById('canvas1'); var context = canvas.getContext('2d'); var image = new Image(); image.onload = function(evt) { context.drawImage(evt.target, 0, 0); } image.src = "test.jpg"; But I want to get the ImageData. So after calling context.drawImage, I do this: var imagedata = canvas.getImageData(); manipulate(imagedata); // modifies imagedata.data context.putImageData(imagedata, 0, 0); Is that the only way to get the imageData of an externally loaded image? Drawing the image on canvas & then getting the imagedata seems awfully slow. Am I missing something? Thanks!

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• receive a responseText in ajax but without div tag

  - by kawtousse

  Hi everyone I want to know if there is any other way whithout using a div tag to receive response html when sending parameter whith ajax. I'am asking because when iam building the select in other servlet and returning the result to jsp it receive the responsehtml in a div tag when we use the famous: x = xhr.responseText; document.getElementById('param').innerHTML = x; with param is the id of div tag. Note: this works fine when populating ddl but its constraint are multiple for my case. Thinks.

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• jQuery .get()/.post() doesn't send an updated cookie

  - by Markus

  Hello, I'am doing something like this: function setCookie(name, value, expire) { var exdate = new Date(); exdate.setDate(exdate.getDate()+expire); document.cookie=name+ "=" +escape(value)+((expire==null) ? "" : ";expires="+exdate.toGMTString()); } // When I click a button // Update the cookie setCookie("test", "1"); function getContent() { // Get the data of our new URL $.get("index.php", loadContent); } function loadContent(data) { // alert the new title // the PHP script is changing title after what cookie-value you have alert($("title", data).text()) } First of all, when Iam alerting it is still the last showing up. So I guess it doesn't send the changed cookies at all.. And for some reason I don't see the request in my Live HTTP Headers window... But also, if i request the URL(without the ajax) it works just fine What am I doing wrong here? Regards Markus

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• Deselect all options in Multiple Select with 1 option

  - by Shaded

  Hello, I currently have the following js code function clearMulti(option) { var i; var select = document.getElementById(option.parentNode.id); for(i=1;i<select.options.length;i++) { select.options[i].selected=false; } } and function clearAllOpt(select) { select.options[0].selected = false; } The first one deselects all options in the multiple select when called and the second clears the first option whenever anything else is selected. The need for this is that the first option is for All. This all works fine and dandy in FF, but in IE8 nothing happens... any suggestions on how to get this to work in both? Thanks in advance.

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• Get a control's value that is in usercontrol using javascript

  - by flopdix

  I have a user control that i have registered to an aspx page. Now from the aspx page, i am trying to access one of the registered usercontrol's hiddenfield value in my aspx page using javacript using the below code: tst = document.getElementById('control1$hdnField').value; I looked into the page's trace, and i could see 'control1$hdnField'. Then why i am not getting its value in my aspx page. I have also ensured that the hidden field exits on the user control and has a default value set. Please help.

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• dynamically double image size

  - by Edan Duarte

  I have an embarrassingly simple question: How can I display an image at double its size without hard coding the width and height attributes? Here's what I tried, but I ended up having to just enter 1000 for width and height. Is something wrong with my function? Thanks! <img onload="double(self.id);" name="bigPic" id="bigPic" src="album1.jpg" height="1000" width="1000"/> function double(id) { var img = document.getElementById(id); var dblWdth = img.width * 2; var dblHt = img.height * 2; img.height = dblHt; img.width = dblWdth; }

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• What does "Only catch exceptions you can handle" really mean?

  - by KyleLib

  I'm tasked with writing an Exception Handling Strategy and Guidelines document for a .NET/C# project I'm working on. I'm having a tough go at it. There's plenty of information available for how/when to throw, catch, wrap exceptions, but I'm looking for describing what sorts of things should go on inside the catch block short of wrapping and throwing the exception. try { DoSomethingNotNice(); } catch (ExceptionICanHandle ex) { //Looking for examples of what people are doing in catch blocks //other than throw or wrapping the exception, and throwing. } Thanks in advance

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• Through Java, make a call to Javascript functions on networked device?

  - by stjowa

  I am doing device monitoring on a networked system. I need to know how to make Javascript calls on that device via its IP address to get certain status information (this device's status is only available through Javascript APIs, not SNMP, etc). I am working in Java. ADDED: The specific device is an Amino set-top-box. It has what it calls JMACX: JavaScript Media Access Control Extensions API specification. It allows you within an HTML document to use that API to get MUCH information about the device (cpu usage, channel info, remote-control options, etc.). I need to get this information within a Java program for specific monitoring purposes. Perhaps possible with HTTP requests? Any input would be greatly appreciated. Thanks, Steve

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• Which file types are worth compressing (zipping) for remote storage? For which of them the compresse

  - by user193655

  I am storing documents in sql server in varbinary(max) fileds, I use filestream optionally when a user has: (DB_Size + Docs_Size) ~> 0.8 * ExpressEdition_Max_DB_Size I am currently zipping all the files, anyway this is done because the Document Read/Write work was developed 10 years ago where Storage was more expensive than now. Many files when zipped are almost as big as the original (a zipped pdf is about 95% of original size). And anyway unzipping has some overhead, that becomes twice when I need also to "Check-in"/Update the file because I need to zip it. So I was thinking of giving to the users the option to choose whether the file type will be zipped or not by providing some meaningful default values. For my experience I would impose the following rules: 1) zip by default: txt, bmp, rtf 2) do not zip by default: jpg, jpeg, Microsoft Office files, Open Office files, png, tif, tiff Could you suggest other file types chosen among the most common or comment on the ones I listed here?

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