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• What is the best way to scale images in Java?

  - by Peter Kelley

  I have a web application written in Java (Spring, Hibernate/JPA, Struts2) where users can upload images and store them in the file system. I would like to scale those images so that they are of a consistent size for display on the site. What libraries or built in functions will offer the best results? I will consider the following criteria in making my decision (in this order): Free/Open Source (essential) Easy to implement Quality of results Performance Size of executable

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• Is it possible to make html text field look like simple text?

  - by tig

  I need text field to look more like text. It is easy to hide border and background. But how to make its width autosizing?

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• Is there a way that I can make a program like GLPaint using CGContext?

  - by Jaba

  I want to make a program similar to GLPaint using CGContext that is very smooth and easy to put images behind. I understand that GLPaint has no allowance for putting an Image behind the painting canvas, rather than having just a black one.

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• Is it possible to override the HTTP functions in wxHtmlWindow?

  - by George Edison

  I would like wxHtmlWindow to use libcurl instead of the internal wxHTTP class. Is there an easy way to do this? If not, can I at least change the useragent wxHtmlWindow sends when it accesses pages?

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• Facebook requests 3 post_authorize/post_remove. How can I stop it?

  - by Ray Yun

  When user authorize or remove application, Facebook always request post_authorize or post_remove callback 3 times. Only I throws HTTP 500 error, it stop calling them. Yeah, it would be easy to ignore subsequent requests when I successfully handled that. So this maybe academic question. Is there any method to stop facebook requests with http status code??? :)

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• Recommendations for a simple 2D graphics python library that can output to screen and pdf?

  - by Blue

  Hello: I'm looking for an easy-to-use graphics lib for python that can output to screen as well as pdf. So, I would use code to draw some stuff (simple prims like ovals, rectangles, lines and points) to screen and then when things look good, have it output to pdf. Make sense? Thanks! Blue

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• How can I make a web-based "table" select like a spreadsheet? (rectangular area vs row-wrap selecti

  - by Dax

  I want to make a table that displays on a webpage, but one requirement is to make it easy to copy and paste into a spreadsheet. Normal HTML tables selection behavior is obviously different from how a spreadsheet like Excel selects -- when you select multiple rows it wraps around instead of selecting a rectangular area. Is there any way to make HTML table behave like a spreadsheet in this regard, or is the only way to resort to a Flash table or something similar?

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• Problem using a method in Ruby

  - by Rafal

  I'm very new to Ruby (and OOP as well) and I don't know why the following thing doesn't work in Ruby I extended the String class with a new method. Easy enough. Now I want to extend the Fixnum class. A String object appears somewhere in the class, but I can't use the method that I defined earlier. Why? Is this normal?

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• Numpy: Creating a complex array from 2 real ones?

  - by Duncan Tait

  I swear this should be so easy... Why is it not? :( In fact, I want to combine 2 parts of the same array to make a complex array: Data[:,:,:,0] , Data[:,:,:,1] These don't work: x = np.complex(Data[:,:,:,0], Data[:,:,:,1]) x = complex(Data[:,:,:,0], Data[:,:,:,1]) Am I missing something? Does numpy not like performing array functions on complex numbers? Here's the error: TypeError: only length-1 arrays can be converted to Python scalars Cheers

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• Change array that might contain None to an array that contains "" in python

  - by vy32

  I have a python function that gets an array called row. Typically row contains things like: ["Hello","goodbye","green"] And I print it with: print "\t".join(row) Unfortunately, sometimes it contains: ["Hello",None,"green"] Which generates this error: TypeError: sequence item 2: expected string or Unicode, NoneType found Is there an easy way to replace any None elements with ""?

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• Ruby: Integer.times - how do I know what iteration I'm in?

  - by Forkrul Assail

  Let's say I have some_value = 23 I use the integer and the .times to loop. Inside the iteration, is there an easy way, without keeping a counter, to see what iteration the loop is currently in?

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• searching a list of tuples in python

  - by hdx

  So I have a list of tuple like: [(1,"juca"),(22,"james"),(53,"xuxa"),(44,"delicia")] I want this list for a tuple whose number value is equal to something. So that if I do search(53) it will return 2 Is is an easy way to do that?

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• Saving the modified contents of a pdf

  - by Anthony Webb

  I've got a form that I downloaded, I'd like to prefill some content on the form (this is easy using cfpdfform). Where it gets tricky is I would like to allow the user to modify the contents of that form, and then somehow have those modified contents accessible to me. I didnt build the source PDF so I dont know how to allow the user to "save" the new contents so they can be read. Any ideas on where I might start on this one?

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• how to delete findDependentRowset result in Zend Framework

  - by Behrang

  I have place model & entry model that entry is parent everything is fine but how can I delete the result row $categoryPlacements in place model: $entryModel = new Model_EntryModel(); $entryRow = $entryModel-find ( $entryId )-current (); $categoryPlacements = $entryRow-findDependentRowset($this); in this case i want to delete the $categoryPlacements result in place model I can use categoryPlacements-toarray() and then delete but is another easy way?

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• What language to use for developing a tiled map editor?

  - by Tamir

  Hello. I'm working on a 2D tiles-based games mixing 3D models, which I achieved using OpenGL and C++. I would like to know what language should I use for creating a map editor, it needs to be easy-to-use and with a form designer or something alike, and with an easily embedded rendering engine.

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• How do I simulate a hover with a touch in touch enabled browsers?

  - by Rich Bradshaw

  With some HTML like this: <p>Some Text</p> Then some CSS like this: p { color:black; } p:hover { color:red; } How can I allow a long touch on a touch enabled device to replicate hover? I can change markup/use JS etc, but can't think of an easy way to do this.

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• Reading a Excel 2007 Spreadsheet in C#

  - by paradox

  I've done some googling and there seems to be a plethora of tools for reading excel 2007 spreadsheets using c#. I'd like to know which one performs best and is easy to use.

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• Ruby: backslash all non-alphanumeric characters in a string

  - by HBlend

  I have a script where I need to take a user's password and then run a command line using it. I need to backslash all (could be more then one) non-alphanumeric characters in the password. I have tried several things at this point including the below but getting no where. This has to be easy, just missing it. Tried these and several others: password = password.gsub(/(\W)/, '\\1') password = password.gsub(/(\W)/, '\\\1') password = password.gsub(/(\W)/, '\\\\1')

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• Entity Framework 4 - Delay Loading Expensive Fields

  - by JohnnyO

  I know this same question was asked for Entity Framework 1, but now that Entity Framework 4 has come out, and Microsoft claims that it provides all of the features of Linq to Sql + more, does Entity Framework now support lazy loading expensive properties? In Linq to Sql, this is extremely easy. There's a Delay Loaded option on any property (accessible through the Designer) that can simply be toggled on or off. Is there something similar in Entity Framework? Thanks

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• Autoscrolling a DIV element

  - by Ahmet vardar

  Hi, I have an auto overflowed DIV on my page, what i want to do is to make it start scrolling slowly towards the end of items of the DIV on page onload. is that easy u think ?

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• Integration of C#, F#, IronPython and IronRuby

  - by prosseek

  I was told that the assembly files made from C# and F# source is interoperable as they are compiled into .NET assembly. Q1 : Does that mean that C# can call F# functions just like they are C# functions? Q2 : How about the IronPython and IronRuby? I don't see any assembly dll from the IronPython/IronRuby. Q3 : Is there any easy way to use IronPython/IronRuby functions from C# or F#?

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• Regarding Application Templates

  - by user185590

  Hi Folks , Here is Jagadeesh, New to the Iphone Development Platform , i need to know the Difference among the Templates for our Applications( like we have Navigation, view, window, Open Gl, Tab Bar, Utility type application)over there and there is a small description at the bottom of the pane , can anyone let me know the Complete description and Templates Screen shot(like View based aPpliction screen shot, Window based Screen Shot Etc..., ) so that as a beginner it is very easy to learn....

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• How would I hook Trac up to multiple repositories?

  - by KevinDeus

  in this case I don't want to use the ticketing system or the wiki, simply connect it to browse multiple repos. I would think it would be as easy as having a script update the repository link in its conf.ini file every time you wanted to look at a new repo, right?

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• Django: Serializing models in a nested data structure?

  - by Rosarch

  It's easy to serialize models in an iterable: def _toJSON(models): return serializers.serialize("json", models, ensure_ascii=False) What about when I have something more complicated: [ (Model_A_1, [Model_B_1, Model_B_2, Model_B_3]), (Model_A_2, [Model_B_3, Model_B_4, Model_B_5, Model_B_59]), (Model_A_3, [Model_B_6, Model_B_7]), ] I tried serializing each model as it was added to the structure, then serializing the whole thing with simplejson.dumps, but that causes the JSON defining each model to be escaped. Is there a better way to do this?

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• How to distinguish Multiple Keyboards in Delphi?

  - by Dian

  A have two keyboards in a pc. One is used to type in TMemo1 and the other in TMemo2. Both are allowed to type at the same time. The problem is I cannot distinguish what keyboard-one has typed and what keyboard-two has typed. Please help! (My new to delphi and DLLs, so please go easy on the technical stuff.)

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