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• How to create and send JSON from client side

  - by Earlz

  Hello, I have a web application. On the client side I basically need to get the values of some fields and turn them into JSON and then send them to the server in an AJAX kind of way.(asynchronous) How would you do that? I also am using jQuery

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• What is the advantage of placing "{" on the same line as a conditional statement?

  - by DrLazer

  I have kind of got used to it now but in the past if i had to work on a piece of code someone else had written with the brackets placed in this way I would have to go through and change it all. Why would anybody do this, I can't think of a single advantage but lots of disadvantages.

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• Would I want to throw an exception or an error in this PHP script?

  - by Tower

  Hi, I have a PHP script that runs database queries. Now, if a query fails, should I trigger an error or throw an exception? I noticed that if I do the latter, the script execution will stop after facing the exception. My code is as follows: if (!$this->connection[0]->query($this->query)) throw new Exception($this->connection[0]->error); What are the pros and cons of using exceptions for this kind of cases (failed queries)?

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• How do I create a black-bordered bubble window in Cocoa?

  - by bucketmouse

  I'm talking specifically about the kind you get if you click and hold on an app in the dock, or a folder if list view is enabled. Is it a menu style, or a window flag I can set like the brushed metal-style? Lots of little free apps seem to use it. http://bambooapps.com/free-stuff/ is a good example.

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• jquery plugin to show form based on select option

  - by yogsma

  I have a form which includes select options with different items. Based on item selected, I need to show respective form on the same page.Does any one know jquery plugin for this or how aesthetically we can do this kind of requirement?

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• Qt - controlling drag behaviour

  - by bullettime

  Suppose I want my draggable widget to move differently than just staying under my cursor while being dragged. For instance, having the widget move only in one axis, or have the widget move double the distance between the cursor and the drag starting point. Which method should I override to define this kind of behaviour?

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• Custom Control in Silverlight ListBox

  - by jaime

  I have a custom control I created from a expression design I created and exported to xaml. I have put in it a bound itemtemplate/datatemplate of a ListBox contorl. It doesn't seem to be rendering more than once and/or it is rendering each item in the same place(kind of like the same x,y coordinates.

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• 2D Game Character Animation in iPhone - How is it done?

  - by Shnitzel

  What I mean is, do animators work on an animation in say Flash (or some other kind of key frame animation program) and then export it to the iphone somehow? For example, say I am an animator and I want to create a person waving for an iphone game. What type of external program would I use and then what libraries on the iphone sdk would I use to load them in?

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• plain old system.out question

  - by mac

  I was looking at someone's code and saw that he repeatedly declared PrintStream out = System.out; and later called out.println("blah"); I actually thought this was kind of neat. Is this a common practice? Was he just being fancy?

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• How to disable a border of html?

  - by Nati

  Can any one please tell me how can I disable the border of html? I was going to embed the html on another application and the border makes it look kind of boring.. Is there any CSS code to do this? thanks!

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• Any reason to clean up unused imports in Java, other than reducing clutter?

  - by Kip

  Is there any good reason to avoid unused import statements in Java? As I understand it, they are there for the compiler, so lots of unused imports won't have any impacts on the compiled code. Is it just to reduce clutter and to avoid naming conflicts down the line? (I ask because Eclipse gives a warning about unused imports, which is kind of annoying when I'm developing code because I don't want to remove the imports until I'm pretty sure I'm done designing the class.)

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• Background is flashing upon load momentarily

  - by goongagaloonga22

  I have a div (.header) contained within other divs. When my page loads, momentarily just that one .header div "flashes" white as the page is loading, especially in in Firefox, but a little bit in IE8 too. I can't find what kind of CSS or lack thereof is causing this - there's no images or background color associated with that div. There is a logo.png within the .header. Thoughts? http://dev.bwmsnow.co.nz/

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• Question about improving/upgrading your programming skills

  - by Gandalf StormCrow

  What would you say are these kind of questions good way to improve your skills or just waste of time since they have no application in real life(or not). http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=3

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• How to dispose BackgroundWorkers the right way

  - by radbyx

  I've got a Windows Service that runs BackgroundWorker's, and I'm wondering if I'm doing the right thing when I stop my Windows Service. Is it enough to: Let the BackgroundWorker1_DoWork method complete (I have a while loop in it now, doing some tasks) Set the variable that holds the reference to the BackgroundWorker, to null Is there some kind of Dispose() method I need to call (In the same way the Timer class has Timer.Dispose();)?

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• Create web site with 200 pages with minimal efforts

  - by Denis

  Hello, I've to create a static web site, only .html files. Each page will have the same layout. I need a kind of template engine or a tool to generate about 200pages with minimal efforts... only the body of the page will be different Any ideas? Thanks

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• lua - how to call function from above it in code (prior to it being defined)?

  - by Greg

  what is the syntax (i.e. code example) in Lua so you can call a function prior to it being defined? i.e. how do you kind of create the function, but then add it's implementation further down in code. So roughly like this: define function name (doX) here somehow (i.e. subject of this question) call doX here (further down in the code) doX implemention here (i.e. all functions down at the bottom of the file)

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• Examples of program that writes programs

  - by Nyan

  Where can I find such programs? I think yacc and lex are this kind of programs? I'd like to see example codes especially in C language.

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• Using an excel as database : How to supply network security

  - by Cmptrb

  Hi, I have published a small website and I'm using an excel file as a database. The problem is that the excel file could be easily downloaded if its path is known ! (e.g. www.mysite.com/myexcel.xls - opens a "save as" window) What can I do, to protect my data. Kind regards.

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• Book on C++ for understanding advanced concepts

  - by Invincible

  What is good book for industry level C++ programming? I am not looking for a beginners C++ book that talks about datatypes and control structures. I am looking for a more advanced book. For example, how to build system applications using C++. Any kind of guidance will be very helpful.

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• In JQuery, does the advanced CSS 3 selection style work in all browsers?

  - by SLC

  I'm watching a tutorial learning JQuery for the first time, and it seems you can select items using pretty much CSS, like: $('ul li:nth-child(3)').addClass('biscuits'); Is that kind of selector going to work on all browsers, or just ones that support CSS 3 ?

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• CopyLZFileName/CreateLZFileName.. what does LZ means?

  - by kiddo

  I am gathering small information regarding kernel dll functions.. and I found this function called CopyLZFileName/CreateLZFileName and some other functions related to this LZ.. I googled for it.. I cant find a proper source for it. From the name I guess it copies/creates file but am not sure what kind of file.. does LZ mean something to it. Please let me know.

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• IIS 6.0 Server and Unicode Characters

  - by Srikanth

  We are performing a pen test on a simple asp application that uses MS SQL Database. It seems for the authentication they are using dynamic constructed queries but escaping single qoutes. When we use Unicode quotes like %uFFO7,%u02b9 etc we are able to successfully inject SQL injections. Want to understand is it more a kind of configuration issue of IIS server to cannonicalize Unicode characters or the way the validation function to escape single quotes is written is the cause of the problem?

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• What's wrong with this code? [closed]

  - by NHans

  Could you please kind enough me to clarify this question as soon as possible? pow(X.0,1). pow(X,Y,Z):-Y1=Y-1,pow(X,Y1,Z1),Z1=Z*X.

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• How to check if a file is a textfile?

  - by daniels

  I have a folder full of files and i want to search some string inside them. The issue is that some files may be zip,exe,ogg,etc. Can i check somehow what kind of file is it so i only open and search through txt, php, etc files. I can't rely on the file extension.

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• How effecient is a details table?

  - by Jeffrey Lott

  At my job, we have pseudo-standard of creating one table to hold the "standard" information for an entity, and a second table, named like 'TableNameDetails', which holds optional data elements. On average, for every row in the main table will have about 8-10 detail rows in it. My question is: What kind of performance impacts does this have over adding these details as additional nullable columns on the main table?

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