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• Did Java invent interfaces?

  - by Jordão

  I know about C++ pure virtual classes, but Java went one step further and created a first-class (no pun intended) concept for multiple-interface (not implementation) inheritance, the interface. It's now a staple of major statically-typed languages. Did Java invent the interface concept? Or did it appear in older languages also as a first-class concept?

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• Javascript/jQuery HasLoaded or equivalent?

  - by maxp

  I know in jquery it is possible to call the javascript/jquery onload()/load() functions on, for example an image (<img>). However, if in jquery if i use .html(htmlString) to insert an image after the dom has loaded, how can i add a listener to handle the images onload event? Is there a property I can check to see various images and if they have loaded?

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• storeValue in Selenium IDE

  - by Vijay Prasath

  Need to store check box value in a variable and if it is "on" i need to call a functions else i need to call different function.

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• WSASend() with more than one buffer - could complete incomplete?

  - by Poni

  Say I post the following WSASend call (Windows I/O completion ports without callback functions): void send_data() { WSABUF wsaBuff[2]; wsaBuff[0].len = 20; wsaBuff[1].len = 25; WSASend(sock, &wsaBuff[0], 2, ......); } When I get the "write_done" notification from the completion port, is it possible that wsaBuff[1] will be sent completely (25 bytes) yet wsaBuff[0] will be only partially sent (say 7 bytes)?

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• How can I reduce jQuery?

  - by Tommy

  I'm using just a few basic jQuery functions on my site. How can I remove unused jQuery code? Knowing only the basics, I looked at the code and was not sure where to start. If you could point me in the right direction, that would be appreciated. Thanks.

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• Ideas for a C/C++ library

  - by Mohit Deshpande

  I thought one of the best ways to familiarise myself with C/C++, is to make a helpful library. I was maybe thinking like a geometry library, like to calculate areas, surface area, etc. It would be useful in game programming. Or maybe an algebra library, like for different formulas like the distance formula, quadratic formula, etc. Or maybe like a standard library for very simple functions, like calculating the number of items in an array.

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• How to add active directory with sharepoint in the Virutal server ?

  - by pointlesspolitics

  I have a main server with windows server 2008 with active directory installed. Additionally, I have created the hyper-v virtual server with MOSS 2007 installed with dynamic ip address. I can access the sharepoint site as an intranet. How can I assign the access of all the active directory users and their profile to MOSS without adding them up manually ? If I am missing any information to provide please mention.

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• How to ANSI-C cast from unisigned int * to char *?

  - by user314290

  I want these two print functions to do the same thing: unsigned int Arraye[] = {0xffff,0xefef,65,66,67,68,69,0}; char Arrage[] = {0xffff,0xefef,65,66,67,68,69,0}; printf("%s", (char*)(2+ Arraye)); printf("%s", (char*)(2+ Arrage)); where Array is an unsigned int. Normally, I would change the type but, the problem is that most of the array is numbers, although the particular section should be printed as ASCII.

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• Add text to every line in text file using PowerShell

  - by Joshua

  I'd like to add characters to the end of every line of text in a .txt document. #Define Variables $a = c:\foobar.txt $b = get-content $a #Define Functions function append-text { foreach-Object { add "*" } } #Process Code $b | append-text Something like that. Essentially, load a given text file, add a "*" the the end of every single line of text in that text file, save and close.

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• Questions about .NET CollectionEditor type

  - by smwikipedia

  Who can tell me the internal working mechanism of a CollectionEditor in plain English? I have implemented every virtual function and step into each of them. Still got no clue of its intended algorithm. I searched the web and found tons of compaints about the CollectionEditor type, and even bugs. I am kind of thinking of the CollectionEditor as a total mess.

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• Removing a line from the buffer in a vim script

  - by ahe

  According to http://vimdoc.sourceforge.net/htmldoc/usr_41.html#function-list vim script has functions setline() and append() to modify the current buffer but how do i delete a line from within a script? With setline(1, "") the line is only emptied but I want to get rid of it.

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• how to convert an array of characters in c to a string so as to do string operations on it?

  - by mekasperasky

  suppose there is a string of characters in an array of d[20] . How to convert to a string d so that i can use it in string functions like strcmp..

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• Javascript (and HTML rendering) engine without a GUI for automation?

  - by MTsoul

  Are there any libraries or frameworks that provide the functionality of a browser, but do not need to actually render physically onto the screen? I want to automate navigation on web pages (Mechanize does this, for example), but I want the full browser experience, including Javascript. Thus, I'd like to have a virtual browser of some sort, that I can use to "click on links" programmatically, have DOM elements and JS scripts render within it, and manipulate these elements. Solution preferably in Python, but I can manage others.

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• Android: View.getTag/setTag and IllegalArgumentException

  - by Sparafusile

  Yes, I know you need a unique resource id when calling the version of these functions that requires a key, but I cannot for the life of me figure out how to create a resource id that can be used in this way. A final variable in my class wont work and neither will a hard coded value. Both threw an IllegalArgumentException. So what gives, how do you use these methods? Spara

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• adding javascript events to freemind maps

  - by pri_dev

  I have created freemind maps using the tool, right now in the process of integrating the map with my web application. I have some questions on the usage of freemind maps 1) Instead of using the freemindbrowser.html and the jar file to integrate a map with a website/ web app, can we do an export to Javascript from the tool and then integrate that exported file (.html) with the web site? 2) I want to be able to add javascript functions on events like node click, how do I do that? Thanks in Advance

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• PostgreSQL function question

  - by maxxtack

  CREATE FUNCTION foo() RETURNS text LANGUAGE plperl AS $$ return 'foo'; $$; CREATE FUNCTION foobar() RETURNS text LANGUAGE plperl AS $$ return foo() . 'bar'; $$; I'm trying to compose results using multiple functions, but when i call foobar() i get an empty result.

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• How do I use multiple where clauses in GHCi?

  - by T.R.

  I'm playing around with GHCi for the first time, and I'm having some trouble writing multi-line functions. My code is as follows: Prelude> :{ Prelude| let diffSquares lst = abs $ squareOfSums lst - sumOfSquares lst Prelude| where Prelude| squareOfSums lst = (fst (sumsAndSquares lst))^2 Prelude| sumOfSquares lst = snd (sumsAndSquares lst) Prelude| sumsAndSquares = foldl (\(sms,sqrs) x -> (sms+x,sqrs+x^2)) (0,0) Prelude| :} It gives the following error: <interactive>:1:142: parse error on input `=' Could someone kindly point me in the direction of what I'm missing?

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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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• Require_once external vars and share those with other funcions in a php class

  - by frx08

  Hi all, I have an external file with some vars to require in my php class and share those with all functions of my class: vars.inc: <?php $a = 1; ?> class.php: <?php class A{ public function __construct(){ require_once("vars.inc"); } public function aB{ echo $a; } } ?> but it doesn't work: the $a var is undefined how can I do? thanks all

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• Is there an API for listing all the twitters of one specific location?

  - by LingAi

  Dear all, Does any one know if there is an API for listing all the twitters within a location. Cause in Twitter Search API, it functions to list all the twits of specific locations, but not the twitters. Thanks, Lingchen

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• asp.net state server session - cross appDomain?

  - by newone1

  When using a State server for session, are sessions still appDomain specific? So for example, I have two different IIS applications(virtual directories) on a web server, and they both point to one state server for session. The session guid from the cookie will be the same across requests from both applications, so will the same session be accessible across both of these applications? Thanks.

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• Redirect visitor with .htaccess

  - by Aaron

  Hi all, I've got an e-shop on a virtual server that's been used as a subdirectory for the last few years, but now I'm finally giving the VS it's own domain name. What I really need is visitors to the old URL to be transparently (and 301) redirected to the new URL with everything after /eshop/ maintained and apended to the new host. I.e. http://www.example.com/eshop/page.php - http://www.newdomain.com/page.php Any help would be greatly appreciated.

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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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• IIS7 Itegrated Pipeline Mode: Context.User is intermittently null for Windows Auth

  - by AndyV

  Our code relies on checking the Context.User.Identity value in the Global.asax Application_AuthenticateRequest(...) method to retrieve some information about the logged in user. This works fine in classic mode but when I flip IIS to use the Integrated Pipeline "Context.User" comes back as null, but only intermittently. Any ideas why? I have < authentication mode="Windows" and only Windows Auth enabled in the Virtual Directory.

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• Image Transformation on iPhone, how to?

  - by Horace Ho

  Since I cannot pre-render all the images in PNGs and real-time image transformation functions are required, namely: skew perspective (like the transform action found in Photoshop) Which API (CoreAnimation? OpenGL ES?) should I look into? Even better, is there any sample code around? Thanks!

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