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• Element Positioning affected by Browser Screen Resolution Change

  - by Ed

  Hello, newbie developer here. There's this small problem I always encounter. Every time I try to change browser resolution (or what do you call the event when you scroll the mouse wheel while pressing ctrl), some elements (Mostly form elements) get to be shifted down or somewhere else, which does not conform with the original positioning. Im not sure if the problem is with the CSS or the markup itself and Im not really sure if this is much of a problem. Should I ignore it? (It doesn't feel very comfortable though, thinking that it might become problematic in the near future) Otherwise, any solution on how to avoid this? Simple explanations are very much appreciated, Thanks. (Perhaps the used term newbie should be replaced with noob?. Haha.)

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• Large, high performance object or key/value store for HTTP serving on Linux

  - by Tommy

  I have a service that serves images to end users at a very high rate using plain HTTP. The images vary between 4 and 64kbytes, and there are 1.300.000.000 of them in total. The dataset is about 30TiB in size and changes (new objects, updates, deletes) make out less than 1% of the requests. The number of requests pr. second vary from 240 to 9000 and is dispersed pretty much all over, with few objects being especially "hot". As of now, these images are files on a ext3 filesystem distributed read only across a large amount of mid range servers. This poses several problems: Using a fileysystem is very inefficient since the metadata size is large, the inode/dentry cache is volatile on linux and some daemons tend to stat()/readdir() it's way through the directory structure, which in my case becomes very expensive. Updating the dataset is very time consuming and requires remounting between set A and B. The only reasonable handling is operating on the block device for backup, copying, etc. What I would like is a deamon that: speaks HTTP (get, put, delete and perhaps update) stores data it in an efficient structure. The index should remain in memory, and considering the amount of objects, the overhead must be small. The software should be able to handle massive connections with slow (if any) time needed to ramp up. Index should be read in memory at startup. Statistics would be nice, but not mandatory. I have experimented a bit with riak, redis, mongodb, kyoto and varnish with persistent storage, but I haven't had the chance to dig in really deep yet.

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• Automatically minifying attribute/element names when using XmlSerializer

  - by frou

  When serializing a C# class using XmlSerializer, the attributes/elements representing the properties of the class will have the same names as they do in the source code. I know you can override this by doing like so: [XmlAttribute("num")] public int NumberOfThingsThatAbcXyz { get; set; } I'd like the generated XML for my classes to be as compact as possible, but obviously still capable of being automatically deserialized on the other side. Is there a way to have these names minified as much as possible without having to manually think of and annotate everything with a short string? The resultant XML being easily human readable isn't a concern.

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• ASP.NET MVC: How to Display custom object properties in View page

  - by Shyju

  I am trying to add ASP.NET MVC features(Especially Routing) to my already existing ASP.NET Web application.I added a Controlled and View (an asp.net page) .Now i want to know how can i display the details of object of my custom class( Ex : User) in the view ? Can assign the object in ViewData collection and render it in the view ? Hows that ? I already have a Datalayer (in ADO.NET) which is running for the the current ASP.NET web app.So i want to use that. I tried this in my controller public ActionResult Index() { BusinessObject.User objUser = new BusinessObject.User(); objUser.EmailId = "[email protected]"; objUser.ProfileTitle = "Web developer with 6 yrs expereince"; ViewData["objUser"] = objUser; ViewData["Message"] = "This is ASP.NET MVC!"; return View(); } How can i use this in the view page to display the user details ? Thanks in advance

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• Use MTS (Microsoft Transaction Server) for object pooling

  - by MZT

  How to use and configure Microsoft Transaction Server (MTS) for object pooling with SLQ Server 2005?

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• Testing if a UI element is hidden in an OCUnit test

  - by Logan Serman

  I have a button that is hidden under certain circumstances that I wish to test. The button is hidden with [theButton setHidden: YES] in the viewDidLoad method if it is appropriate. For simplicity, lets say that the button is hidden when the buttonIsHidden property is set to true in the view controller. Right now I am trying the following: self.viewController = [[ViewController alloc] init]; self.viewController.buttonIsHidden = YES; [self.viewController loadView]; UIButton *theButton = [...] // function I wrote to retrieve the button based on it's touch up inside action if (theButton) { NSLog(@"%c", theButton.hidden); return (theButton.hidden == true) } return NO; It looks like the hidden property is not what it should be, the NSLog lines from the above code are blank. But, if I output another property like the height, it outputs the correct value so I know it is getting the right button. How do I access the hidden property of the button in this case?

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• jQuery click event still firing on filtered element

  - by Phil.Wheeler

  I'm trying to filter button events based on whether they have a CSS class assigned to them or not. Assume I have a button like this: <button id="save-button" class="ui-state-default ui-corner-all">Save</button> I want to get jQuery to select all buttons that currently do not have a class of "ui-state-disabled". The selector I'm using looks like this: $('#save-button:not(.ui-state-disabled)').click(function() { ... }); When the button is clicked, I'll call a different function, do some stuff and then add the class 'ui-state-disabled' to the button. However the button still continues to accept click events. I'm guessing this is because of two possible causes: The event binder looks only at the initial state when binding the click event and doesn't recognise that a new class has been added later on My filter ['... :not(.ui-state-disabled)] is not correct Any observations?

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• Access element in json having numerical index

  - by hunt

  i have following format of json in which i want to asscess 0.4 , kem , 2 , 2000 values but it seems it doesn't have name index so how one can access it in jquery. when i paste following code in json viewer then i am getting numerical index for 0.4 , kem , 2 "td": [ { "@attributes": { "class": "odd" }, "span": [ "3", "7" ] }, "0.4", "Kem", "24\/04\/2010", "2000", "2", "14000", "Good", "Buckley", "56.0", "2:05.32", "36.65", "54.5" ] }

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• LINQ Except operator and object equality

  - by Abhijeet Patel

  Here is an interesting issue I noticed when using the Except Operator: I have list of users from which I want to exclude some users: The list of users is coming from an XML file: The code goes like this: interface IUser { int ID { get; set; } string Name { get; set; } } class User: IUser { #region IUser Members public int ID { get; set; } public string Name { get; set; } #endregion public override string ToString() { return ID + ":" +Name; } public static IEnumerable<IUser> GetMatchingUsers(IEnumerable<IUser> users) { IEnumerable<IUser> localList = new List<User> { new User{ ID=4, Name="James"}, new User{ ID=5, Name="Tom"} }.OfType<IUser>(); var matches = from u in users join lu in localList on u.ID equals lu.ID select u; return matches; } } class Program { static void Main(string[] args) { XDocument doc = XDocument.Load("Users.xml"); IEnumerable<IUser> users = doc.Element("Users").Elements("User").Select (u => new User { ID = (int)u.Attribute("id"), Name = (string)u.Attribute("name") } ).OfType<IUser>(); //still a query, objects have not been materialized var matches = User.GetMatchingUsers(users); var excludes = users.Except(matches); // excludes should contain 6 users but here it contains 8 users } } When I call User.GetMatchingUsers(users) I get 2 matches as expected. The issue is that when I call users.Except(matches) The matching users are not being excluded at all! I am expecting 6 users ut "excludes" contains all 8 users instead. Since all I'm doing in GetMatchingUsers(IEnumerable users) is taking the IEnumerable and just returning the IUsers whose ID's match( 2 IUsers in this case), my understanding is that by default "Except" will use reference equality for comparing the objects to be excluded. Is this not how "Except" behaves? What is even more interesting is that if I materialize the objects using .ToList() and then get the matching users, and call "Except", everything works as expected! Like so: IEnumerable users = doc.Element("Users").Elements("User").Select (u = new User { ID = (int)u.Attribute("id"), Name = (string)u.Attribute("name") } ).OfType().ToList(); //explicity materializing all objects by calling ToList() var matches = User.GetMatchingUsers(users); var excludes = users.Except(matches); // excludes now contains 6 users as expected I don't see why I should need to materialize objects for calling "Except" given that its defined on IEnumerable? Any suggesstions / insights would be much appreciated.

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• JQuery: Run animations on the element's contents

  - by BHare

  I have a div that has some padding, border, and style applied to it. Inside the div I have just some plain text. Something like this: <div id=test style="border: 2px solid black; background-color: blue;"> The text I would like to animate </div> Normally to animate the contents I would do something like this: $('#test > *').hide(1000); But apparently the > * only selects child elements, and not non-elements (text for example) So my current work around is: <div id=test style="border: 2px solid black; background-color: blue;"> <span>The text I would like to animate</span> </div> Making a span that is not really needed.

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• Split number and put each digit to separate html element

  - by Seven

  The problem is that I do not know how to break the loop for the first number and start again for the next one. Currently, one span.nNumber has a total digits of the two numbers (123456) and the next span.nNumber contains digits only from another number (456). Goal is to create sequence 123 and 456: <span class='nNumber'> <span>1</span> <span>2</span> <span>3</span> </span> and <span class='nNumber'> <span>4</span> <span>5</span> <span>6</span> </span> Example script: http://jsfiddle.net/PZ8Pt/2/

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• Animate rotating SVG element on webpage

  - by Zarkonnen

  So I have an SVG file created in Inkscape embedded in a webpage, and I'd like it to rotate slowly. I've tried using Javascript and inserting animation commands directly into the SVG, but nothing works. I don't want to load in an entire JS library for this one task. This is what I have so far: <html> <body bgcolor="#333333"> <embed src="gear.svg" id="gear" width="1000" height="1000" style="position: absolute; top: -500px; left: -500px;" /> <script type="text/javascript"> var gear = document.getElementById("gear"); window.setInterval(function() { // Somehow animate the gear. }, 10); </script> </body> </html>

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• How is expando object internally implemented

  - by priyanka.bangalore

  I am really curious to know how the Expando Object in .Net 4.0 has been internally implemented? Thanks in advance

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• Dont know how to stop element in certain point

  - by user713190

  Im beginner and im experimenting on a website with fixed and relative postions, what i want to do is to stop bottom part when the two bottom lines(div .top_divider_line) touches nav menu(div .top_holder) here is the preview from site where im stuck. http://elexoj.com/test/ I think making it with jquery will be lot easier but i've no idea how to do it, i'll really appreciate your help. Thank You!

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• Why would a "view" object in Interface Builder prevent my didFinishLaunchingWithOptions method from

  - by BeachRunnerJoe

  You may have already come across some of my other questions related to question, but I was having an issue with a SplitView iPad app where my application:didFinishLaunchingWithOptions method stopped executing after I went into Interface Builder and changed around the structure of my apps interface. I couldn't figure out what was preventing my didFinishLauchingWithOptions method from executing, but then I removed a "view" object I had in my view heirarchy (shown below) and suddenly my didFinishLauchingWithOptions method started executing again. I've moved passed it now, but I'm still unclear why that would cause the problem. Any ideas why that "view" object would prevent the didFinishLaunchingWithOptions method from executing?

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• how can i randomly print an element from a list in python

  - by lm

  So far i have this, which prints out every word in my list, but i am trying to print only one word at random. Any suggestions? def main(): # open a file wordsf = open('words.txt', 'r') word=random.choice('wordsf') words_count=0 for line in wordsf: word= line.rstrip('\n') print(word) words_count+=1 # close the file wordsf.close()

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• Applying JQuery UI css to a textarea element

  - by Felix Guerrero

  Hi. I'm using JQuery UI for a web based development at the University. I got some forms that I put into a dialog, so I got elements like <label for="name">ID user</label><input type="text" name="iduser" size="15" id="iduser" class="text ui-widget-content ui-corner-all" maxlength=12 /> But I got some textarea elements like <label for="name">Description</label><textarea name="description" id="description" class="text ui-widget-content ui-corner-all" value=""></textarea> The issue: textarea is not taking the css as inputs does, I mean, I got corner rounder textarea as input texts but the font size and font family don't.

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• Duplicate an AppEngine Query object to create variations of a filter without affecting the base quer

  - by Steve Mayne

  In my AppEngine project I have a need to use a certain filter as a base then apply various different extra filters to the end, retrieving the different result sets separately. e.g.: base_query = MyModel.all().filter('mainfilter', 123) Then I need to use the results of various sub queries separately: subquery1 = basequery.filter('subfilter1', 'xyz') #Do something with subquery1 results here subquery2 = basequery.filter('subfilter2', 'abc') #Do something with subquery2 results here Unfortunately 'filter()' affects the state of the basequery Query instance, rather than just returning a modified version. Is there any way to duplicate the Query object and use it as a base? Is there perhaps a standard Python way of duping an object that could be used? The extra filters are actually applied by the results of different forms dynamically within a wizard, and they use the 'running total' of the query in their branch to assess whether to ask further questions. Obviously I could pass around a rudimentary stack of filter criteria, but I'd rather use the Query itself if possible, as it adds simplicity and elegance to the solution.

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• Getters and Setters: Code smell, Necessary Evil, or Can't Live Without Them [closed]

  - by Avery Payne

  Possible Duplicate: Allen Holub wrote “You should never use get/set functions”, is he correct? Is there a good, no, a very good reason, to go through all the trouble of using getters and setters for object-oriented languages? What's wrong with just using a direct reference to a property or method? Is there some kind of "semantical coverup" that people don't want to talk about in polite company? Was I just too tired and fell asleep when someone walked out and said "Thou Shalt Write Copious Amounts of Code to Obtain Getters and Setters"? Follow-up after a year: It seems to be a common occurrence with Java, less so with Python. I'm beginning to wonder if this is more of a cultural phenomena (related to the limitations of the language) rather than "sage advice". The -1 question score is complete for-the-lulz as far as I am concerned. It's interesting that there are specific questions that are downvoted, not because they are "bad questions", but rather, because they hit someone's raw nerve.

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• jQuery Ajax Methods Not Returning XHR Object

  - by Nate

  UPDATE: I haven't figured out what's going on, but this definitely seems to be a problem with my project. After creating a simple test page, I was able to verify that getJSON does in fact return an XHR object like it's supposed to. Per the stackoverflow question/answer here: Kill ajax requests using javascript using jquery. and a number of other question/answers on this site and others, the jQuery Ajax methods should return the XHR object. However, when I run the following code, request is "undefined". var request = $.getJSON(url, function(data) { console.log(data); }); console.log(request); Did I miss a change in jQuery? I'm using 1.4.4.

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• jQuery getting just added by ajax element

  - by Qiao

  $.post('includes/script.php', $(this).serialize(), function(data) { $('body').append(data); }); alert ($('#new').length) php script is <php echo "<div id="new">text</div>" ?> it alerts 0, so it can't see new div. How can you make it see new div?

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• how to return the current object?

  - by ajsie

  in code igniter you can type: $query = $this->db->query("YOUR QUERY"); foreach ($query->result() as $row) { echo $row->title; echo $row->name; echo $row->body; } i guess that the query method returns the object it's part of. am i correct? if i am, how do you type the line where it returns the object? so what i wonder is how it looks like inside the query method for the above code to be functional. public function query($sql) { // some db logic here with the $sql and saves the values to the properties (title, name and body) return X } with other words, what should X be?

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• Can running object be garbage collected?

  - by Kugel

  I have a simple class: public class Runner { public void RunAndForget(RunDelegate method) { ThreadPool.QueueUserWorkItem(new WaitCallback(Run), method); } private void Run(object o) { ((RunDelegate )o).Invoke(); } } And if I use this like so: private void RunSomethingASync() { Runner runner = new Runner(); runner.FireAndForget(new RunDelegate(Something)); } Is there any danger using it like this? My C++ guts tell me that runner object should be destroyed after RunSomethingASync is finished. Am I right? What happens then to the method running on different thread? Or perhaps it is other way around and runner will not be collected? That would be a problem considering I may call RunSomethingASync() many times.

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• how to run click function after default behaviour of a element

  - by Somebody is in trouble

  My code <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <title>Untitled Document</title> <script src="jquery.js"></script> <script> $(function(){ $("body").on("click",".mes_sel",function(){ if($(".mes_sel:checked").length==0){ alert("Checked"); } else alert("Not Checked"); }); }); </script></head> <body> <input type="checkbox" class="mes_sel"> </body> </html> It is alerting checked when the textbox is unchecked because onclick is running before the checking of checkbox.How can i make the click event to run after checking/unchecking of the input

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• Item index of Binding element

  - by vibeeshanRC

  I am creating a XAML / C# WinRT App and i have a collection of collection and i am binding it to a Grid-view(collections as groups ) Now i have to color the background of the GridViewItem according to their index in the collection (Dark color for the first one and light color for the last one ) How can i implement using a converter. (if there are 6 collections with 10 items all the first item will the dark and the 10 the item will be lighter). Simply: How can i send the item-index property to the converter as a parameter. My XAML <GridView x:Name="Grid1" ItemsSource="{Binding}" ItemTemplateSelector="{StaticResource templateSelector}" SelectionMode="None" > <GridView.ItemsPanel> <ItemsPanelTemplate> <VirtualizingStackPanel Orientation="Horizontal" VirtualizingStackPanel.VirtualizationMode="Recycling"/> </ItemsPanelTemplate> </GridView.ItemsPanel> <GridView.GroupStyle> <GroupStyle HidesIfEmpty="True"> <GroupStyle.HeaderTemplate> <DataTemplate> <Grid Margin="0,0,0,0"> <TextBlock Text='{Binding Name}' Margin="5" /> </Grid> </DataTemplate> </GroupStyle.HeaderTemplate> <GroupStyle.ContainerStyle> <Style TargetType="GroupItem" > <Setter Property="BorderThickness" Value="0"/> <Setter Property="Margin" Value="0,0"/> </Style> </GroupStyle.ContainerStyle> <GroupStyle.Panel> <ItemsPanelTemplate> <VariableSizedWrapGrid/> </ItemsPanelTemplate> </GroupStyle.Panel> </GroupStyle> </GridView.GroupStyle> </GridView> .......... <converters:MyConverter x:Key="templateSelector" Temp1="{StaticResource Temp1}" Temp2="{StaticResource Temp2}" > </converters:MyConverter> <DataTemplate x:Key="Temp1"> <Grid > <Grid> <Grid.Resources> <converters:PanelBackgroundColorConverter x:Name="panelBackgroundColorConverter" Key="{Binding}"/> <Grid.Resources/> <Grid.Background> <Binding Path="MPath" Converter="{StaticResource panelBackgroundColorConverter}" ConverterParameter="sym"/> </Grid.Background> <Grid/> <DataTemplate/>

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