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Articles indexed in June 2010

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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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  • How to center text in an inline-block span on lte firefox 2?

    - by Knu
    I have 3 spans inside a div. text-align:center isn't working (tried on the parent too) text-align: -moz-center neither (on ff2) i have to use spans no floats -moz-inline-box or -moz-inline-stack ? with -moz-inline-block it's working but the 2nd and 3rd spans clear left… Anyone got an idea? (fixing #6 is an alternative)

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  • Advice on a simple Windows Form

    - by Austin Hyde
    I have a VERY simple windows form that the user uses to manage "Stores". Each store has a name and number, and is kept in a corresponding DB table. The form has a listbox of stores, an add button that creates a new store, a delete button, and an edit button. Beside those I have text boxes for the name and number, and save/cancel buttons. When the user chooses a store from the list box, and clicks 'edit', the textboxes become populated and save/cancel become active. When the user clicks 'add', I create a new Store, add it to the listbox, activate the textboxes and save/cancel buttons, then commit it to the database when the user clicks 'save', or discards it when the user clicks 'cancel'. Right now, my event system looks like this (in psuedo-code. It's just shorter that way.) add->click: store = new Store() listbox.add(store) populateAndEdit(store) delete->click: store = listbox.selectedItem db.deleteOnSubmit(store) listbox.remove(store) db.submit() edit->click: populateAndEdit(listbox.selectedItem) save->click: parseAndSave(listbox.selectedItem) db.submit() disableTexts() cancel->click: disableTexts() The problem is in how I determine if we are inserting a new Store, or updating an existing one. The obvious solution to me would be to make it a "modal" process - that is, when I click edit, I go into edit mode, and the save button does things differently than if I were in add mode. I know I could make this more MVC-like, but I don't really think this simple form merits the added complexity. I'm not very experienced with winforms, so I'm not sure if I even have the right idea for how to tackle this. Is there a better way to do this? I would like to keep it simple, but usable.

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  • Simple code to expire Drupal cookie?

    - by user310594
    With a single click this simple script will do a multi-logout of: Moodle Elgg 2 MyBB's and (not) Drupal. <?php setcookie( 'Elgg', '', -3600, '/', '.domain.com', false, false); setcookie( 'http_auth_ext_complete', '1', -3600, '/d/', '.domain.com', false, false); // setcookie( 'http_auth_ext_complete', '1', -3600, '/d/', 'domain.com', false, false); setcookie( 'mybbuser', '', -3600, '/', '.domain.com', false, false); setcookie( 'mybbuser', '', -3600, '/bb/', '.domain.com', false, false); // unset all 3 Moodle cookies, the lazy way if (isset($_SERVER['HTTP_COOKIE'])) { $cookies = explode(';', $_SERVER['HTTP_COOKIE']); foreach($cookies as $cookie) { $parts = explode('=', $cookie); $name = trim($parts[0]); setcookie($name, '', time()-1000); setcookie($name, '', time()-1000, '/'); } } ?> This works on four sites but the Drupal cookie won't quit. How can I do the same with Drupal? Note: Drupal uses 'host' instead of 'domain', neither with or without the '.' works so far. Thank you.

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  • resizing images with imagemagick via shell script

    - by jml
    Hi there, I don't really know that much about bash scripts OR imagemagick, but I am attempting to create a script in which you can give some sort of regexp matching pattern for a list of images and then process those into new files that have a given filename prefix. for example given the following dir listing: allfiles01.jpg allfiles02.jpg allfiles03.jpg i would like to call the script like so: ./resisemany.sh allfiles*.jpg 30 newnames*.jpg the end result of this would be that you get a bunch of new files with newnames, the numbers match up, so far what i have is: IMAGELIST=$1 RESIEZFACTOR=$2 NUMIMGS=length($IMAGELIST) for(i=0; i<NUMIMGS; i++) convert $IMAGELIST[i] -filter bessel -resize . RESIZEFACTOR . % myfile.JPG Thanks for any help... The parts that I obviously need help with are 1. how to give a bash script matching criteria that it understands 2. how to use the $2 without having it match the 2nd item in the image list 3. how to get the length of the image list 4. how to create a proper for loop in such a case 5. how to do proper text replacement for a shell command whereby you are appending items as i allude to. jml

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  • How do I change a Git remote HEAD to point to something besides "master"

    - by jhs
    Short version: How do I set a Git remote's HEAD ref to point to something besides "master"? My project has a policy not to use a "master" branch (all branches are to have meaningful names). Furthermore, the canonical master repository is only accessible via ssh://, with no shell access (like GitHub or Unfuddle). My problem is that the remote repository still has a HEAD reference to refs/heads/master, but I need it to point to a different branch. This is causing two problems: When cloning the repo, there this, warning: remote HEAD refers to nonexistent ref, unable to checkout. That's confusing and inconvenient. The web-based code browser depends on HEAD as a basis for browsing the tree. I need HEAD to point to a valid branch, then.

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  • Removing unused selectors in a CSS stylesheet?

    - by Legend
    I've been developing a web app for a few weeks now and ended up with about a 1000 lines. I am sure not all the selectors are being used and am trying to clean it up. At the same time, I don't want to do it manually for obvious reasons. Is there a safe and an efficient way to remove unused selectors? For this, am I supposed to navigate the entire website to let it know which selectors are not being used? (I use javascript to add some selectors so these might not show up until a particular usecase is seen)

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  • Using Rx to synchronize asynchronous events

    - by Martin Liversage
    I want to put Reactive Extensions for .NET (Rx) to good use and would like to get some input on doing some basic tasks. To illustrate what I'm trying to do I have a contrived example where I have an external component with asyncronous events: class Component { public void BeginStart() { ... } public event EventHandler Started; } The component is started by calling BeginStart(). This method returns immediately, and later, when the component has completed startup, the Started event fires. I want to create a synchronous start method by wrapping the component and wait until the Started event is fired. This is what I've come up with so far: class ComponentWrapper { readonly Component component = new Component(); void StartComponent() { var componentStarted = Observable.FromEvent<EventArgs>(this.component, "Started"); using (var startedEvent = new ManualResetEvent(false)) using (componentStarted.Take(1).Subscribe(e => { startedEvent.Set(); })) { this.componenet.BeginStart(); startedEvent.WaitOne(); } } } I would like to get rid of the ManualResetEvent, and I expect that Rx has a solution. But how?

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  • Bots see something different!?

    - by ilhan
    I've submitted my web site to different apps like YahooWebmasters and similar places. They see my web site's main page's title as Indef of/ . However I see it normally, as My Title. Server: it says Apashi (wtf!?), it is Apache in reality PHP 5.2.5 FreeBSD cPanel Version 11.24.4-RELEASE Kernel version 6.3-PRERELEASE main page: index.html I guess it is because of index.html But why?

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  • windows xp command prompt remote

    - by user19810
    I was wondering if it was possible to have remote access to a command prompt on a windows xp machine, like using remote desktop services, only with the command prompt. I'm programming a java application, and having a full remote desktop service is a kind of a system hog. Also, the system I am using to access windows remotely is ubuntu. Thanks.

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  • Emploi : baisse des salaires à l'embauche en informatique, seules quelques fonctions liées aux téléc

    Mise à jour du 03.06.2010 par Katleen Emploi : baisse des salaires à l'embauche en informatique, seules quelques fonctions liées aux télécoms sont épargnées Expectra, cabinet de recrutement pour des missions en intérim ou en CDI, vient de publier son baromètre annuel des salaires des cadres. Cette enquête, que l'entreprise réalise depuis 8 ans déjà, se base sur les rémunérations réelles tirées de 133.000 fiches de paie (venant de 6300 PME réparties dans la France entière). « Après 2009, 2010 marque une 2ème année de tension sur les salaires des cadres, en raison des modestes perspectives de croissance du PIB, et du manque de visibilité des entreprises quant à la vigueur de la reprise», explique le ra...

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  • silverlight TypeDescriptor.GetConverter substitute

    - by luke
    I am trying to use the LINQtoSQL project in silverlight (its a great project), because its open sourced i figured i could just recompile as a silverlight class library but unfortunately it appears to use a feature not available in silverlight. The TypeDescriptor.GetConverter method. It uses this to find type converters to properly parse the csv columns to their corresponding CLR types. I have no problem making changes to the linqtocsv sources to make it work in Silverlight, but i just don't know what an equivalent operation would be in silverlight. Various google searches have brought me to this page, but all that says is that the XAML parser has a way of doing this (but it doesn't say how to access this functionality). In a nutshell, the question is: how do i replicate the functionality of TypeDescriptor.GetConverter?

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  • Do you have to use display to output stuff using r6rs?

    - by incrediman
    Background: I am new to scheme, and am using DrScheme to write my programs. The following program outputs 12345 when I run the program as r5rs: 12345 However the following program outputs nothing (it's an r6rs program): #!r6rs (import (rnrs)) 12345 That being said, I can get it to output 12345 by doing this: #!r6rs (import (rnrs)) (display 1235) Is that something new with r6rs, where output only occurs when specifically specified using display? Or am I just doing something else wrong

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  • how to get reply from jQuery.get request

    - by BCS
    I have a page that uses the following to submit a AJAX request: function oc() { jQuery.get( "http://somewhere.com:5001/ajax/options/", jQuery('#selectform').serialize(), function(data,statusm,xml){ // I got nothing!!! return; } ); } If I make the request manual from the address bar, things work. And when I make the request from the JS I can see via logging that the server side is working correctly, but in the call back, I can't seem to get the contents of the reply. What am I going wrong?

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  • Using Full-Text-Search in order to find partial words (SQL SERVER 2008)

    - by dig
    Hello, I'm trying to build a facebook like search for my software. I'd like to query the table customers. I've set up a FULLTEXT Index and tried the next query SELECT * FROM Customer where CONTAINS(*,'*ann*') The query does return all the customers named Ann, but it doesn't return all the customers name Anne. Is there a way to create prefix search on SQL SERVER 2008 using FTS? Thanks.

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  • What OOP pattern to use when only adding new methods, not data?

    - by Jonathon Reinhart
    Hello eveyone... In my app, I have deal with several different "parameters", which derive from IParameter interface, and also ParamBase abstract base class. I currently have two different parameter types, call them FooParameter and BarParameter, which both derive from ParamBase. Obviously, I can treat them both as IParameters when I need to deal with them generically, or detect their specific type when I need to handle their specific functionality. My question lies in specific FooParameters. I currently have a few specific ones with their own classes which derive from FooParameter, we'll call them FP12, FP13, FP14, etc. These all have certain characteristics, which make me treat them differently in the UI. (Most have names associated with the individual bits, or ranges of bits). Note that these specific, derived FP's have no additional data associated with them, only properties (which refer to the same data in different ways) or methods. Now, I'd like to keep all of these parameters in a Dictionary<String, IParameter> for easy generic access. The problem is, if I want to refer to a specific one with the special GUI functions, I can't write: FP12 fp12 = (FP12)paramList["FP12"] because you can't downcast to a derived type (rightfully so). But in my case, I didn't add any data, so the cast would theoretically work. What type of programming model should I be using instead? Thanks!

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  • jQuery: Preventing list scroll?

    - by Legend
    I have this scenario: Using an ajax query I fetch some data items and push them into a ul element as an li element. I use $("ulele").append(new_li_item). I wrote my own custom scroll for this ul element using the following whenever an event is detected: $("ulele").animate({scrollTop: '+=' + 200}, 'slow'); The problem is when I fire that event and the list scrolls due to the animate function above, I want to keep it stable for at least a few seconds. When it scrolls down, elements are still being pushed so the list keeps scrolling no matter what. Is there a way I can pause this from happening without really stopping the activity of pushing elements into the ul list?

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  • SQL DISTINCT Value Question

    - by CPOW
    How can I filter my results in a Query? example I have 5 Records John,Smith,apple Jane,Doe,apple Fred,James,apple Bill,evans,orange Willma,Jones,grape Now I want a query that would bring me back 3 records with the DISTINCT FRUIT, BUT... and here is the tricky part, I still want the columns for First Name , Last Name. PS I do not care which of the 3 it returns mind you, but I need it to only return 3 (or what ever how many DISTINCT fruit there are. ex return would be John,Smith,apple Bill,evans,orange Willma,Jones,grape Thanks in advance I've been banging my head on this all day.

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  • Flowplayer in fancybox?

    - by kastru
    I am trying to get the Flowplayer to be shown inside a Fancybox, but can't quite get it working. This is my code so far; $("a.video_link").click(function () { $.fancybox({ 'autoScale': false, 'transitionIn': 'none', 'transitionOut': 'none', 'title': this.title, 'width': 680, 'height': 495, 'href': '/flowplayer/flowplayer.swf?video=myvideo.flv', /* have also tried a couple of other options for the url settings, but without luck) 'type': 'swf', 'swf': { 'wmode': 'transparent', 'allowfullscreen': 'true' } }); return false; }); Any suggestions?

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  • When did C++ get nested classes?

    - by Parappa
    Somehow I never noticed until today that C++ supports nested classes. This surprised me because when I was learning C++ back in the '90s, I specifically remember nested classes being something that Object Pascal and Java had, but which C++ did not. I asked an old programmer friend about it and he concurred that he recalls C++ not having nested classes. Is my recollection of C++ not having nested classes mistaken, or were they actually added to the standard at some point in the past fifteen years? I tried searching Google for information on this topic and I haven't come up with anything helpful yet. It could also be that I'm thinking of nested functions, which Pascal certainly supports but C does not.

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