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  • Object drag delay issue

    - by Johnny Darvall
    I have this code that drags stuff around perfectly in IE - however in firefox the onmousedown-drag of the object does not immediately drag but shows the no-entry cursor and then after onmouseup the object drags around freely. The object does stop draging on the next onmouseup. The object should only drag in the onmousdown state, while the onmousup call should cancel the drag by making j_OK=0. I think it may have something to do with the image inside... the object: <em style=position:absolute;left:0;top:0;width:32;height:32;display:block> < img src=abc.gif onmousedown=P_MV(this.parentNode) style=position:absolute;left:0;top:0;width:inherit> </em> function P_MV(t) { p_E=t j_oy=parseInt(p_E.style.top) j_ox=parseInt(p_E.style.left) j_OK=1 document.onselectstart=function(){return false} document.onmousemove=P_MVy } function P_MVy(e) { if(j_OK) { p_E.style.top=(j_FF?e.clientY:event.clientY)-j_y+j_oy p_E.style.left=(j_FF?e.clientX:event.clientX)-j_x+j_ox } return false }

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  • How can I create a button with a UIActivityIndicator in my navigation bar with the same style as nor

    - by Jarin Udom
    All of the examples I've seen on here and other sites involved creating a UIActivityIndicatorView and loading it with something like: self.navigationItem.rightBarButtonItem = [[[UIBarButtonItem alloc] initWithCustomView:myActivityIndicatorView target:nil action:nil] autorelease]; However, that just creates a plain activity indicator in the navigation bar. What I want to do is have a button that looks just like the normal UIBarButtonSystemItem buttons but with an activity indicator instead of one of the default images. I've tried doing initWithImage and initWithTitle with nil images or titles and then adding the activity indicator as a subview, but that doesn't work. Any ideas?

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  • Ajax heavy JS apps using excessive amounts of memory over time.

    - by Shane Reustle
    I seem to have some pretty large memory leaks in an app that I am working on. The app itself is not very complex. Every 15 seconds, the page requests approx 40kb of JSON from the server, and draws a table on the page using it. It is cheaper to draw the table over because the data is usually always new. I am attaching a few events to the table, approx 5 per line, 30 lines in the table. I used jQuery's .html() method to put the new html into the container and overwrite the existing. I do this specifically so that jQuery's special cleanup functions go in and attempt to detach all events on the elements in the element that it is overwriting. I then also delete the large variables of html once they are sent to the DOM using delete my_var. I have checked for circular references and attached events that are never cleared a few times, but never REALLY dug into it. I was wondering if someone could give me a few pointers on how to optimize a very heavy app like this. I just picked up "High Performance Javascript" by Nicholas Zakas, but didn't have much time to get into it yet. To give an idea on how much memory this is using, after 4~ hours, it is using about 420,000k on chrome, and much more on Firefox or IE. Thanks!

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  • no Jquery only Javascrip fadein function with cleartype fot text

    - by Chetan
    Sorry guys.. I am not familiar with JavaScrip anymore but I need to add clear type of some thing which can make text anti-aliased in IE7 browser. My script as follow // JavaScript Document var CurrentDivIndex=0; var TimeOutValue; var btn; var TimeToFade = 1000.0; function ShowDivSlideShow() { try { if(CurrentDivIndex == 5) CurrentDivIndex=0; CurrentDivIndex++; //alert("Banner" + CurrentDivIndex); //alert(CurrentDivIndex); var Indexer=1; while(Indexer<6) { var DivToShow=document.getElementById("Banner" + Indexer); DivToShow.style.display = "none"; btn=document.getElementById("btnb" + Indexer); btn.setAttribute("class","none"); Indexer++; } var DivToShow=document.getElementById("Banner" + CurrentDivIndex); DivToShow.style.display = "block"; btn=document.getElementById("btnb" + CurrentDivIndex); btn.setAttribute("class","activeSlide"); // btn.className="activeSlide"; fadeIn(); TimeOutValue=setTimeout("ShowDivSlideShow()",6000); } catch(err) { alert(err) } } function ShowCustomDiv(CurrentDivIndexRec) { clearTimeout(TimeOutValue) CurrentDivIndex=CurrentDivIndexRec var Indexer=1; while(Indexer<6) { if(CurrentDivIndex==Indexer) { Indexer++; continue; } var DivToShow=document.getElementById("Banner" + Indexer); DivToShow.style.display = "none"; btn=document.getElementById("btnb" + Indexer); btn.setAttribute("class","none"); Indexer++; } var DivToShow=document.getElementById("Banner" + CurrentDivIndex); DivToShow.style.display = "block"; btn=document.getElementById("btnb" + CurrentDivIndex); btn.setAttribute("class","activeSlide"); btn.className="activeSlide" fadeIn(); } function ShowDivSlideShowWithTimeOut(CurrentDivIndexRec) { clearTimeout(TimeOutValue) CurrentDivIndex=CurrentDivIndexRec; var Indexer=1; while(Indexer<6) { if(CurrentDivIndex==Indexer) { Indexer++; continue; } var DivToShow=document.getElementById("Banner" + Indexer); DivToShow.style.display = "none"; btn=document.getElementById("btnb" + Indexer); btn.setAttribute("class","none"); Indexer++; } var DivToShow=document.getElementById("Banner" + CurrentDivIndexRec); DivToShow.style.display = "block"; btn=document.getElementById("btnb" + CurrentDivIndexRec); btn.setAttribute("class","activeSlide"); TimeOutValue=setTimeout("ShowDivSlideShow()",6000); } function ShowCustomDivOnClick(CurrentDivIndexRec) { clearTimeout(TimeOutValue) CurrentDivIndex=CurrentDivIndexRec; var Indexer=1; while(Indexer<6) { if(CurrentDivIndex==Indexer) { Indexer++; continue; } var DivToShow=document.getElementById("Banner" + Indexer); DivToShow.style.display = "none"; btn=document.getElementById("btnb" + Indexer); btn.setAttribute("class","none"); Indexer++; } var DivToShow=document.getElementById("Banner" + CurrentDivIndexRec); DivToShow.style.display = "block"; btn=document.getElementById("btnb" + CurrentDivIndexRec); btn.setAttribute("class","activeSlide"); fadeIn(); TimeOutValue=setTimeout("ShowDivSlideShow()",6000); } function setOpacity(level) { element=document.getElementById("Banner" + CurrentDivIndex); element.style.opacity = level; element.style.MozOpacity = level; element.style.KhtmlOpacity = level; element.style.filter = "alpha(opacity=" + (level * 100) + ");"; } var duration = 300; /* 1000 millisecond fade = 1 sec */ var steps = 10; /* number of opacity intervals */ var delay = 6000; /* 5 sec delay before fading out */ function fadeIn(){ for (i = 0; i <= 1; i += (1 / steps)) { setTimeout("setOpacity(" + i + ")", i * duration); } // setTimeout("fadeOut()", delay); } function fadeOut() { for (i = 0; i <= 1; i += (1 / steps)) { setTimeout("setOpacity(" + (1 - i) + ")", i * duration); } setTimeout("fadeIn()", duration); } //end of script Now I am very confused where to add : $('#slideshow').cycle({ cleartype: 1 // enable cleartype corrections }); or $('#fadingElement').fadeIn(2000, function(){ $(this).css('filter',''); }); so it will work... Please Help me...

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  • iPad keyboard will not dismiss if navigation controller presentation style is "form sheet".

    - by Kalle
    UPDATE: This is apparently "works as intended" classed by Apple. See accepted answer below for details. Update: this question is about a behavior discovered in the iPad keyboard, where it refuses to be dismissed if shown in a modal dialog with a navigation controller. Basically, if I present the navigation controller with the following line: navigationController.modalPresentationStyle = UIModalPresentationFormSheet; The keyboard refuses to be dismissed. If I comment out this line, the keyboard goes away fine. ... I've got two textFields, username and password; username has a Next button and password has a Done button. The keyboard won't go away if I present this in a modal navigation controller. WORKS broken *b = [[broken alloc] initWithNibName:@"broken" bundle:nil]; [self.view addSubview:b.view]; DOES NOT WORK broken *b = [[broken alloc] initWithNibName:@"broken" bundle:nil]; UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:b]; navigationController.modalPresentationStyle = UIModalPresentationFormSheet; navigationController.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal; [self presentModalViewController:navigationController animated:YES]; [navigationController release]; [b release]; If I remove the navigation controller part and present 'b' as a modal view controller by itself, it works. Is the navigation controller the problem? WORKS broken *b = [[broken alloc] initWithNibName:@"broken" bundle:nil]; b.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal; [self presentModalViewController:b animated:YES]; [b release]; WORKS broken *b = [[broken alloc] initWithNibName:@"broken" bundle:nil]; UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:b]; [self presentModalViewController:navigationController animated:YES]; [navigationController release]; [b release];

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  • Minify an Entire Directory While Keeping Element/Style/Script Relationships?

    - by Jonathan Sampson
    Do any solutions currnetly exist that can minify an entire project directory? More importantly, do any solutions exist that can shorten classnames, id's, and keep them consistent throughout all documents? Something that can turn this: Index.html --- <div class="fooBar"> <!-- Code --> </div> Styles.css --- .fooBar { // Comments and Messages background-color:#000000; } Index.js --- $(".fooBar").click(function(){ /* More Comments */ alert("fooBar"); }); Into This: Index.html --- <div class="a"></div> Styles.css --- .a{background-color:#000;} Index.js --- $(".a").click(function(){alert("fooBar");});

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  • What is the modern eqivalent (C++) style for the older (C-like) fscanf method?

    - by Chris_45
    What is the best option if I want to "upgrade" old C-code to newer C++ when reading a file with a semicolon delimiter: /* reading in from file C-like: */ fscanf(tFile, "%d", &mypost.nr); /*delimiter ; */ fscanf(tFile, " ;%[^;];", mypost.aftername);/* delimiter ; */ fscanf(tFile, " %[^;]", mypost.forename); /*delimiter ; */ fscanf(tFile, " ;%[^;];", mypost.dept);/*delimiter ; */ fscanf(tFile, " %[^;];", mypost.position);/* delimiter ; */ fscanf(tFile, "%d", &mypost.nr2); //eqivalent best C++ method achieving the same thing?

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  • span height width unable to change

    - by poineer
    trying to make one horizontal box.. inside that update limits. if u see the below sample code, u can understand how i set limits. those limit classes height, i am unable to decrease. could please tel me what is reason.. i want to make it using div and span only <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en" dir="ltr"> <head> <style> .limitBlock { border-left: 1px solid black; } .limitRBlack { border-right: 1px solid black; } .horbox { background-color:#FFFFFF; height:4px; width:400px; margin-left:5px; border: 1px solid #AAAAAA; } </style> </head> <body> <div class="horbox"> <div style="margin-top:-3px"> <span style="margin-top: -4px;height: 9px;"> <span id="limit1" class="limitBlock" style="margin-left:-1px;"></span> <span id="limit2" class="limitBlock" style="margin-left:100px;"></span> <span id="limit3" class="limitBlock" style="margin-left:100px;"></span> <span id="limit4" class="limitBlock" style="margin-left:100px;"></span> </span> <span id="limit5"class="limitRBlack" style="margin-left:96px;"></span> </div> </div> </body> </html>

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  • How to avoid piracy in iPhone apps by server side validation?

    - by prathumca
    As par my app requirement, there is a couple of scenarios that I need to handle. Scenario 1: To avoid piracy, I want to include some piece of code, whose job is sending both IMEI and Serial number of IPhone. Scenario 2: At server side, I've a database, which has a list of both IMEI and Serial No info. Here I wanna validate both IMEI and Serial numbers. If both are not matched then I can make sure that the app is pirated. Idea seems good. But I don't know how to handle these two scenarios in my app. Any help is greatly appreciated.

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  • Using empty row as default in a ComboBox with Style "DropDownList"?

    - by Pesche Helfer
    Hi board I am trying to write a method, that takes a ComboBox, a DataTable and a TextBox as arguments. The purpose of it is to filter the members displayed in the ComboBox according to the TextBox.Text. The DataTable contains the entire list of possible entries that will then be filtered. For filtering, I create a DataView of the DataTable, add a RowFilter and then bind this View to the ComboBox as DataSource. To prevent the user from typing into the ComboBox, I choose the DropDownStyle DropDownList. That’s working fine so far, except that the user should also be able to choose nothing / empty line. In fact, this should be the default member to be displayed (to prevent choosing a wrong member by accident, if the user clicks through the dialog too fast). I tried to solve this problem by adding a new Row to the view. While this works for some cases, the main issue here is that any DataTable can be passed to the method. If the DataTable contains columns that cannot be null and don’t contain a default value, I suppose I will raise an error by adding an empty row. A possibility would be to create a view that contains only the column that is defined as DisplayMember, and the one that is defined as ValueMember. Alas, this can’t be done with a view in C#. I would like to avoid creating a true copy of the DataTable at all cost, since who knows how big it will get with time. Do you have any suggestions how to get around this problem? Instead of a view, could I create an object containing two members and assign the DisplayMember and the ValueMember to these members? Would the members be passed as reference (what I hope) or would true copied be created (in which case it would not be a solution)? Thank you very much for your help! Best regards public static void ComboFilter(ComboBox cb, DataTable dtSource, TextBox filterTextBox) { cb.DropDownStyle = ComboBoxStyle.DropDownList; string displayMember = cb.DisplayMember; DataView filterView = new DataView(dtSource); filterView.AddNew(); filterView.RowFilter = displayMember + " LIKE '%" + filterTextBox.Text + "%'"; cb.DataSource = filterView; }

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  • etree.findall: 'OR'-lookup?

    - by piquadrat
    I want to find all stylesheet definitions in a XHTML file with lxml.etree.findall. This could be as simple as elems = tree.findall('link[@rel="stylesheet"]') + tree.findall('style') But the problem with CSS style definitions is that the order matters, e.g. <link rel="stylesheet" type="text/css" href="/media/css/first.css" /> <style>body:{font-size: 10px;}</style> <link rel="stylesheet" type="text/css" href="/media/css/second.css" /> if the contents of the style tag is applied after the rules in the two link tags, the result may be completely different from the one where the rules are applied in order of definition. So, how would I do a lookup that inlcudes both link[@rel="stylesheet"] and style?

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  • How can I implement a "wizard" style page using JQuery?

    - by Mark Brittingham
    I am implementing a questionnaire on the web and I'd like for each block of questions to have its own "page" so the user doesn't have to scroll. However, page loads have two problems: a) they take time (and have a noticeable flicker/refresh) and b) such an approach would force me to do a data table insert plus multiple updates (or store it all in my session). How can I use JQuery to let the user page through the questionnaire on the client side, answering questions as he goes? I'll then be able to handle the data store when all the answers are submitted at the end. One other thing...is there a way to make sure that the session doesn't time out if the user takes awhile?

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  • Is it possible to parse a stylesheet with Nokogiri?

    - by wbharding
    I've spent my requisite two hours Googling this, and I can not find any good answers, so let's see if humans can beat Google computers. I want to parse a stylesheet in Ruby so that I can apply those styles to elements in my document (to make the styles inlined). So, I want to take something like <style> .mystyle { color:white; } </style> And be able to extract it into a Nokogiri object of some sort. The Nokogiri class "CSS::Parser" (http://nokogiri.rubyforge.org/nokogiri/Nokogiri/CSS/Parser.html) certainly has a promising name, but I can't find any documentation on what it is or how it works, so I have no idea if it can do what I'm after here. My end goal is to be able to write code something like: a_web_page = Nokogiri::HTML(html_page_as_string) parsed_styles = Nokogiri::CSS.parse(html_page_as_string) parsed_styles.each do |style| existing_inlined_style = a_web_page.css(style.declaration) || '' a_web_page.css(style.declaration)['css'] = existing_inlined_style + style.definition end Which would extract styles from a stylesheet and add them all as inlined styles to my document.

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  • Android Apps: What is the recommended targetSdk for broadest appeal?

    - by johnrock
    I have an Android app that only needs internet access and would like to target API level 3 (1.5) to reach the broadest handset base. However, it appears that targeting API level 3 implicitly requires two additional permissions that are visible to users: modify sd card, and read phone state. See: http://stackoverflow.com/questions/1747178/android-permissions-phone-calls-read-phone-state-and-identity) So the connundrum, do I target API level 4 and turn away users running 1.5, or do I target API level 3 and turn away users who are upset that my app is requesting so many permissions that it shouldn't need? What is the smartest thing to do here? Are there really a lot of users still limited to API level 3? I appreciate any wisdom offered! Thanks!

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  • Retrieveing ALL head elements in document including iframe

    - by Vishal Shah
    I'm trying to add style elements to all ALL the head elements in a document, including those in an iframe. if i use var heads = document.getElementsByTagName('head'); It just returns the first head element and not the ones in the iframe. this is the complete code : var heads = document.getElementsByTagName("head"); var style = document.createElement("style"); style.type = "text/css"; style.appendChild(document.createTextNode(css)); for(var i=0;i<heads.length;i++) heads[i].appendChild(style); but this doesn't seem to work! am i doing something wrong here...?

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  • Is it possible to have yui editor change paragraph style without selecting text?

    - by user126861
    Is it possible to change the behavior of the yui text editor so that when you make markup changes (via the toolbar bar buttons), for example changing from a paragraph to say a heading or to a list, and you dont have any text selected it assumes you mean the current block that the cursor is in So to change a paragraph to a heading rather than selecting the whole line you just place the cursor somewhere in the paragraph and select heading from the styles drop down.

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  • Grails - How to format a value in a textfield into comma style such that it can be easily read?

    - by WaZ
    Hi there, I want to allow users enter numbers in textfield and once the textbox loses focus. The number is formatted with commas. e.g. User enters 100000 textfield looses focus value displayed: 100,000 How can I achieve this in Grails. I have looked at <g:formatNumber number="${myNumber}" format="\\$###,##0" /> But it doesnt solve my problem as the number is from a textfield. thanks Much appreciated.

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  • How to make Emacs sql-mode recognize MySQL #-style comments?

    - by Ken
    I'm reading a bunch of MySQL files that use # (to end-of-line) comments, but my sql-mode doesn't support them. I found the syntax-table part of sql.el that defines /**/ and -- comments, but according to this, Emacs syntax tables support only 2 comment styles. Is there a way to add support for # comments in sql.el easily?

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  • Android Performance Question : Many small apps or one big app?

    - by kunjaan
    I read this quote in one of the webpages: If you are writing a large application, consider dividing it into a suite of applications and services. Smaller applications load faster and use fewer resources. Making a suite of applications, content providers, and services makes your code more open to incorporation into other applications as described the "Use and be used" tip. Is this true? What is the thumb rule for the size of app?

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