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• How can I observe the style on an element during mouse-over?

  - by DaveDev

  We supply micro-site content to a client. They supply us with a HTML wrapper and we inject our content into it. I'm trying to debug an issue where our style sheet appears to be interfering with the style in their wrapper. Normally I'd use firebug or IE Developer Toolbar to select the element and I can see which styles are being applied, which are being overridden and where they are coming from. But this particular problem only exists when I hover the mouse over a link. Specifically, the link shrinks a little bit. Is there anything that I can use to see what the browser is doing with the styles when I hover the mouse over the link?

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• Can anyone explain how to configure the title of my block? I can configure "teaser" and "image", but not "title".

  - by Tyrone

  In content management, I want to configure the title of my block. I do not want the title to show up on the top of the actual page (I want it to show up just in the sidebar where the viewer can click on it). I want a different title on the page that it goes to after clicking the sidebar block. How do I do that? There is no configure button for "title", but there is one for "teaser" and "image". I have little experience with computers, so any tips/advice would be greatly appreciated. Thank you.

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• How to avoid wasting time during compilation during development?

  - by user259576

  Hello, I'm working with a small team of developers. My job is to convert a Make project (with Intellij Idea 9.0) into a Maven 2 project. The problem is : we spend a lot of time during the development. With Make, only one complete build was required and then any change did not consume a lot of time (almost instantaneously). On the other hand, with Maven 2, a little change takes a lot of time to run. Any solution ? Thanks.

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• How does youtube enable ascii videos?

  - by acidzombie24

  Just by messing around a little it seems that the video stream is not ascii. i tested by downloading the stream. It would be insane if it was. Theres so many videos. So that couldnt be it. Youtube seems to not work with javascript disable (not counting mobile if true). How is it being done? is it javascript magic? is the SWF running the video through a filter in realtime? (I doubt its a native filter so how is the filter compiled) its really cool. I cant imagine how this is running realtime yet it is!

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• Namespacing technique in JavaScript, recommended? performant? issues to be aware of?

  - by Bjartr

  In a project I am working on I am structuring my code as follows MyLib = { AField:0, ASubNamespace:{ AnotherField:"value", AClass:function(param) { this.classField = param; this.classFunction = function(){ // stuff } } }, AnotherClass:function(param) { this.classField = param; this.classFunction = function(){ // stuff } } } and so on like that to do stuff like: var anInstance = new MyLib.ASubNamespace.AClass("A parameter."); Is this the right way to go about achieving namespacing? Are there performance hits, and if so, how drastic? Do performance degradations stack as I nest deeper? Are there any other issues I should be aware of when using this structure? I care about every little bit of performance because it's a library for realtime graphics, so I'm taking any overhead very seriously.

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• Pass off execution to different/specific thread in Java

  - by Mike

  I have about 4 threads. One thread keeps checking some data that the other thread is updating. The others are doing some processing in the background. All have been started at this point. My question is when the checking thread sees that the data has not been updated yet I currently sleep for a little bit but is there any way for me to tell the system to back to executing the thread that does the updating? That or is there any way I can put something like a listener on the data(a String) and once its updated an event will fire that will do what it needs to do? I tried using yield() and it seemed to just keep returning to the thread I called yield() from. Thanks

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• Best way to manage the persistence of a form state, to and from a database

  - by Laurent.B

  In a JSP/Servlet webapp, I have to implement a functionality that allows a user to save or restore a form state, that latter containing for instance some search criteria. In other words, the user must be able to save or restore field values of a form, at any time. On the same page that contains that form, there's also another little form that allows him to name his form state before saving it. Then, later he'll be able to recall that state, via a combobox, and refill dynamically the form with the state he selected. I know how to implement that by hand but I would prefer not to reinvent the wheel then I'd like to know if there are some frameworks managing that kind of functionality ? A mix between JSP taglib, filter class, jQuery or other JavaScript frameworks... My research has not give anything yet. Thank you in advance.

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• Looping in filemaker using a local variable

  - by Mike Davis

  Been programming in C# for a little bit - trying to use file maker and I cant believe it but I cant even get a simple for loop to work. What I want to do is simple: loop through for the amount of entries in my "amountOfRooms" field and create an entry in a table for each room. Sounds so simple, but I cant get it to work. Right now I have this: Set Variable[$cnt[Customers::AmountOfRooms]; value:1] Go to Layout["rooms"(Rooms)] Loop Exit Loop If[$cnt = Customers::AmountOfRooms] New Record / Request Set Variable[$cnt; Value: $cnt + 1] End Loop Exit Script No new records are created. I know the script is running because it does go to my layout, but doesnt create any new records. There is a "Repetition" field for my local variable - not sure how to use that or what it means? Any thoughts on how to do this simple loop? Thanks.

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• Simple Sinatra Ajax Not Working

  - by proteantech

  I was trying make an AJAX call from a static file on my computer to a simple sinatra service. The ajax call was returning with an error and no details. The server logged no errors either. Another strange symptom was that the Origin in the request header was null. I turns out that you can't make cross domain ajax calls without a little extra effort. You can set the Access-Control-Allow-Origin header on your sinatra response to expose your service to external domains using a snippet like this: get '/hi' do response['Access-Control-Allow-Origin'] = '*' content_type 'text/plain' "Hello World" end There's also another header you can set to allow other HTTP Methods besides gets, Access-Control-Request-Method. You can find more information by searching around for CORS: Cross Origin Resource Sharing and the previously mentioned headers. Oh, and in case you want to do this in Rails as well you can do something like this in your controller: after_filter :set_access_control_headers def set_access_control_headers headers['Access-Control-Allow-Origin'] = '*' headers['Access-Control-Request-Method'] = '*' end

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• Connecting to the database in a Created Library - CodeIgniter

  - by Brogrammer

  I have a little issue right now and its bugging me, hopefully one of you guys will be able to help me out. Basically I'm creating a library to use in CodeIgniter and I'm getting this error: A PHP Error was encountered Severity: Notice Message: Undefined property: Functions::$db Filename: libraries/Functions.php Line Number: 11 The Database library is already on autoload aswell as my functions library: $autoload['libraries'] = array('database','session','encrypt','functions'); The Functions.php file is located in the application/libraries folder accordingly. Line number 11 consists of this: $this->db->where('username', $data); Not sure as to why the db is an undefined property?

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• why does InnoDB keep on growing without for every update?

  - by Akash Kava

  I have a table which consists of heavy blobs, and I wanted to conduct some tests on it. I know deleted space is not reclaimed by innodb, so I decided to reuse existing records by updating its own values instead of createing new records. But I noticed, whether I delete and insert a new entry, or I do UPDATE on existing ROW, InnoDB keeps on growing. Assuming I have 100 Rows, each Storing 500KB of information, My InnoDB size is 10MB, now when I call UPDATE on all rows (no insert/ no delete), the innodb grows by ~8MB for every run I do. All I am doing is I am storing exactly 500KB of data in each row, with little modification, and size of blob is fixed. What can I do to prevent this? I know about optimize table, but I cant do it because on regular usage, the table is going to be 60-100GB big, and running optimize will just stall entire server.

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• C++ vector insights

  - by Sunscreen

  Hi, I am a little bit frustrated of how to use vectors in C++. I use them widely though I am not exactly certail of how I use them. Below are teh questions? If I have a vector lets say: std::vector<CString> v_strMyVector, with (int)v_strMyVector.size > i can I access the i member: v_strMyVector[i] == "xxxx"; ? (it works, though why?) Do i always need to define an iterator to acces to go to the beginning of the vector, and lop on its members ? What is the purpose of an iterator if I have access to all members of the vector directly (see 1)? Thanks in advance, Sun

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• What's the status of the HTML 5 <video> tag and webcam integration?

  - by JorenB

  Even though it seems to be in some kind of jeopardy, the open video standard is a great idea. I saw some demos on motion tracking with it - just proofs-of-concept, but interesting nonetheless. Now, I'd say that concepts like these would really be a gain, if there would be access to the user's webcam... Just imagine browsing through Flickr with your hands in mid-air. I have Googled a little, but I can't find any detailed discussion on the subject. It is mentioned in some places, but that doesn't get me very far. Does anybody know whether support for this is planned? If yes, any prognosis on the 'when'? ;-) Of course, I guess they'd have to dream up a pretty good security model for it...

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• Weird behaviour of jquery's hide/show with the 'slide' effect. How to change?

  - by Tommy

  When doing $('.mydiv').show('slide', {direction:up}, 1500); //syntax may be a little off jQuery seems to - just before starting the animation - make room for the soon to be showed div. This creates a non-smooth effect making all elements below the showed div shift away in one big go. I would like to see the elements below the div move away as the div is animated/showed. The jQuery native hide()/show() function works like this, how come the slide effect of hide/show doesn't? Anyone knows how to fix it?

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• Append before parent after getSelection()

  - by sanceray3

  Hi all, I have one question. I try to develop a little WYSIWYG editor. I would like create a <h1> button which allows me to generate a <h1> title (by clicking on button after text selection in <p> element). I obtain the selection with window.getSelection().... But now, I would like to put my append("<h1>my text selected</h1>") just before the <p>. It’s my problem, because my <p> elements don’t have id or class. So do you know a means to put my append just before the <p> where my text has been selected? I don’t know if with my bad English you’ll understand me! Thanks very much for your help.

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• RESTful web service, PUTting an unnamed resource?

  - by James L

  I have a back-end service that creates unique identifiers for resources. The general idea is that resources are saved and versioned, so you can perform: GET http://service/sales/targets/7818181919/latest or GET http://service/sales/targets/7818181919/4 for version 4, and so on. My question is about the most correct way to upload these resources in the first place. How about: PUT http://service/sales/targets/ returning 303 See other /service/sales/targets/ It seems a little wrong as you should PUT and GET from exactly the same place using a resource-oriented interface, but I can't think of a better option. Any ideas?

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• Where is the rand php function located? localhost php running, path of default functions?

  - by Bona Chon

  I have a local server installed on my Mac (MAMP). My question is, where I can find the php functions in my computer? What is the path to the functions folder? For instance, rand() time() isset() explode(). I would like to se the code to learn of it. I have a while looking for it, but I can't find it. Or is it that is already compiled? Can someone help me here? I'm kind of lost. Thanks people. EDIT: can you be a little bit more positive? I;m trying to learn here, forgive me if I'm not to smart for you. Thanks again. Explanations would help better than giving links I guess?

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• Android GPS data of Railway Stations of India

  - by user578098

  Hi, I want to make an android application that will intimate the users about the approaching railway stations in INDIA. For this I will use GPS (Location Manager etc) on Android. So far, I have not developed the applications using GPS, so I have little insight on the capabilities of Android API for this. I know, through the android API I can know the current location of the users through GPS and google API but can I know the location of nearby railway stations from Google API for India? Or can I know the latitude and longitude of all the Railway Stations so that I can pre-feed that in the applciation? Please help me in finding out the way.

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• Help moving multiple images at once with touches

  - by daveMac

  Here is my problem: I am trying to move a puzzle piece around the screen and then connect to the other piece if they are in close proximity. I have achieved this, though it is perhaps a little odd the way I did. My problem though is that once they have connected, I can't figure out how to move them as one image, instead of two separate entities. I would really appreciate any help or suggestions. Here is a sample of what I have been doing: (void)touchesMovedNSSet *)touches withEventUIEvent *)event{ UITouch *touch = [touches anyObject]; [self dispatchTouchEvent:[touch view] toPosition:[touch locationInView:self.view]]; } -(void)dispatchTouchEventUIView *)theView toPositionCGPoint)position{ if ((CGRectContainsPoint([picture frame], position))) { picture.center = position; } if (CGRectContainsPoint([picture2 frame], position)) { picture2.center = position; } }

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• "Inconsistent accessibility" on class definition

  - by TWood

  I'm adding some bindable CLR properties to my ongoing WPF application in my App class and I can't compile because of this inconsistent accessibility error. Inconsistent Accessibility: Property type 'SomeProj.Error' is less accessible than property 'SomeProj.App.LatestError' To fix this error I had to change class Error to public class Error. In VB, classes were assumed public and most of the time omitted that access modifier. Is this not the case in C# as well? I only recently made the vb-c# jump and little nuances like this in the syntax slow me down.

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• Performance: Subquery or Joining

  - by Auro

  Hello I got a little question about performance of a subquery / joining another table INSERT INTO Original.Person ( PID, Name, Surname, SID ) ( SELECT ma.PID_new , TBL.Name , ma.Surname, TBL.SID FROM Copy.Person TBL , original.MATabelle MA WHERE TBL.PID = p_PID_old AND TBL.PID = MA.PID_old ); This is my SQL, now this thing runs around 1 million times or more. Now my question is what would be faster? if I change TBL.SID to (Select new from helptable where old = tbl.sid) or if I add helptable to the from and do the joining in the where? greets Auro

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• How to select random image of specific size using Django / Python?

  - by Jonathan

  I've been using this little snippet to select random images. However I would like to change it to select only images of a certain size. I'm running into trouble checking against image size. If I use get_image_dimensions() I need to use a conditional statement, which then requires that I allow exceptions. So, I guess I need some pointers on just limiting by image dimensions. Thanks. import os import random import posixpath from django import template from django.conf import settings register = template.Library() def is_image_file(filename): """Does `filename` appear to be an image file?""" img_types = [".jpg", ".jpeg", ".png", ".gif"] ext = os.path.splitext(filename)[1] return ext in img_types @register.simple_tag def random_image(path): """ Select a random image file from the provided directory and return its href. `path` should be relative to MEDIA_ROOT. Usage: <img src='{% random_image "images/whatever/" %}'> """ fullpath = os.path.join(settings.MEDIA_ROOT, path) filenames = [f for f in os.listdir(fullpath) if is_image_file(f)] pick = random.choice(filenames) return posixpath.join(settings.MEDIA_URL, path, pick)

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• PHP, better to set the variable before if or use if/else?

  - by DssTrainer

  So a simple one that I just never could find a straight answer on. What is better (performance or otherwise): $var = false; If ($a == $b) { $var = true; } or If ($a == $b) { $var = true; } else { $var = false; } I've heard arguments for both ways. I find the first cleaner to ensure I have it set, and a little less code too. The pro being that you may only need to set it once without conditional. But the con being that if the argument is true, it gets set twice. I am assuming the second way is probably best practice

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• Why only random-access-iterator implements operator+ in C++?

  - by xopht

  I'd like get far next value for STL list iterator but it doesn't implement operator+, vector has it though. Why and how can I get the value where I want? I think I can do that if I call operator++ several times, but isn't that a little bit dirty? What I want to do is the following: list<int> l; ...omitted... list<int>::iterator itr = l.begin() + 3; // but, list iterator does not have // operator+ What is the best solution for what I want?

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• How to access web page hierarchy inside a application.

  - by Hazior

  Trying to figure out how to programmatically access the web pages in the application. Just something simple like a list of them would be awesome. I know I can create a list but I was wondering if there was something that could 'look' at the pages and add a new one to the list if you make a new page for the application. Example with 7 pages: Error Default Login Content Users ContactUs Admin I am half awake so I may be a little unclear. Maybe puting it all in a single question will be easier. How do you autogenerate a list of all webpages in your current application?

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