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• Can multiple HTML elements receive focus at the same time?

  - by Olaseni

  I'm a coding a JavaScript reporting component, that requires multiple LI's i.e. lists to be selected collectively as a bunch with visual feedback. I'm thinking of adapting the onfocus event. Is it possible for multiple HTML elements to receive focus at the same time?

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• How to process large block data visualization with Flex?

  - by hydra1983

  I know that's a big topic. However, it's better to know some general ideas to handle such problems. I have an application which requires Flex to render statistics data calculated instantly on the client side from a downloaded data set. The problems are: the data set is large and needs more than 10 seconds to be downloaded. there are some filters to control the statistics calculation algorithms. If user changes the filters, it would take a long time to recalculate the result and freeze the UI.

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• What are some good usability guidelines an average developer should follow?

  - by Allain Lalonde

  I'm not a usability specialist, and I really don't care to be one. I just want a small set of rules of thumb that I can follow while coding my User Interfaces so that my product has decent usability. At first I thought that this question would be easy to answer "Use your common sense", but if it's so common among us developers we wouldn't, as a group, have a reputation for our horrible interfaces. Any Suggestions?

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• How to upload a file from app in VC++ 6 to a web server?

  - by Arvind Singh

  I have an application in VC++ 6 (not MFC) , feature requires it to upload a file to a web server on regular basis. Web server is under our control, anonymous upload scripts/page are already setup that would accept a file manually. How to program in VC++ 6 to upload? which classes to use? I understand it is much possible with smtp and ftp but how through http?

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• Android PDF reader from scratch

  - by Javadid

  Hi friends, i know it would sound too ambitious but our client requires a PDF Reader of his own with some selected functionalities. Can any1 here guide me to some good tutorials for paving the way to start its development? i guess i need to clear some pdf basics and start from scratch OR i would be happy if there is any api which i can use directly modify the controls at my will... any help would be highly appreciated... Thanx a lot...

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• Is there a value in using map() vs for?

  - by roder

  Does map() iterate through the list like "for" would? Is there a value in using map vs for? If so, right now my code looks like this: for item in items: item.my_func() If it makes sense, I would like to make it map(). Is that possible? What is an example like?

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• <div> that only scrolls horizontally?

  - by holmes

  How can I create a element that only scrolls horizontally? If it makes sense, I want the element to act like it is position:fixed when the user scrolls vertically down the page, but act like it's position:static for sideways scrolling. HTML/CSS solutions preferred, but if it isnt' feasible, JavaScript fixes are fine.

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• Determine precision and scale of particular number in Python

  - by jrdioko

  I have a variable in Python containing a floating point number (e.g. num = 24654.123), and I'd like to determine the number's precision and scale values (in the Oracle sense), so 123.45678 should give me (8,5), 12.76 should give me (4,2), etc. I was first thinking about using the string representation (via str or repr), but those fail for large numbers: >>> num = 1234567890.0987654321 >>> str(num) = 1234567890.1 >>> repr(num) = 1234567890.0987654

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• Rather than sending in numbers, having code passed to an individual in genetic programming? ECJ

  - by sieve411

  I'm using ECJ with Java. I have an army of individuals who I all want to have the same brain. Basically, I'd like to evolve the brains using GP. I want things like "if-on-enemy-territory" and "if-sense-target" for if statements and "go-home" or "move-randomly" or "shoot" for terminals. However, these statements need to be full executable Java code. How can I do this with ECJ?

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• Running ssh-keygen without human interaction?

  - by Marco

  Would it be possible to run ssh-keygen without human interaction? I have a shell script that takes care of server deployment from start to finish, but ssh-keygen is the only remaining piece that still requires my input. Would it be possible to feed the parameters to it? Or is there something similar to debconf-set-selections that could be used for this? *running Debian

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• Why does Code::Blocks constantly changes my language?

  - by Yakov Lipkovich

  On my there are two set languages, which are English and Russian, and English is the default set language. Yet every time I leave Code::Blocks and click on the window again, the program automatically changes the language to Russian, which not only is it annoying, but it doesn't make much sense. Does anyone have any idea why it's going on and how to get rid of this pest? So far that's the best C++ IDE I have found and I don't want to ditch it due to such a nasty annoyance.

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• What is the best Perl module for sending email?

  - by Marcus

  For years I've been piping out to sendmail in my Perl programs to send email, but I have the strong sense I ought to use a module. It would make me feel less dirty. Care to recommend me one module over the others, with reasons why? Thanks in advance!

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• jQuery check on wordchange rather than "change" trigger

  - by benhowdle89

  I have a input that the user types a search parameter into, at the moment i have it on keyup to do a POST ajax request to a PHP script that returns search results. however its firing off 50 billion (not literally) post requests in about 10 seconds (as the user types) which slows the whole experience down. Can i use jQuery to detect a "wordup" rather than "keyup" by detecting the use of the space bar? Does this make sense?

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• string combinations

  - by vbNewbie

  I would like to generate a combination of words. For example if I had the following list: {cat, dog, horse, ape, hen, mouse} then the result would be n(n-1)/2 cat dog horse ape hen mouse (cat dog) (dog horse) (horse ape) (ape hen) (hen mouse) (cat dog horse) (dog horse ape) (horse ape hen) etc Hope this makes sense...everything I found involves permutations The list I have would be a 500 long

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• Safest LAMP encrypt method

  - by Adam Kiss

  Hello, what is PHP's safest encrypt/decrypt method, in use with MySQL - to store let's say passwords? Of course, not for portal purposes. I want to do little password (domain/mysql/ftp...) storage for whole team online, but I don't want really to endanger our clients' bussinesses. Hash can't be used for obvious reasons (Doesn't really make sense to run rainbow tables every time :D). Any idea?

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• diff between two days, in hours

  - by Cristian Boariu

  Hi, I do not uderstand why the result of: (DateTime.Now.Subtract(user.created_time.Value.Date)).Hours is 23. where: DateTime.Now is:{3/30/2010 12:00:00 AM} and user.created_time.Value.Date is : {3/24/2010 12:00:00 AM} Does it make sense for anybody? ps: I want to select all users created in last 72 hours so i suppose that is the way i should do...

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• Console.SetWindowPosition -> centered (each and every time)

  - by manny

  I'm trying to set the Console window executed via my C-sharp code to be centered each and every time code is generated. I hope that makes sense. I thank you guys in advance.

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• Where is the most appropriate location to check "Querystring is needed, else redirect"?

  - by Mike

  Hi, I have an ASP.NET application. On some pages it requires a specific querystring to be called with the page, so data can be processed. Where is the most appropriate place to check whether the required querystring is included in the URL, otherwise redirect to somewhere else? I have only used one masterpage. Thoughts and suggestions would be appreciated. Thanks.

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• Graceful Degradation with JSON.Parse

  - by Steve

  If a browser doesn't support JSON.parse, would it make sense to include json.js and call parseJSON in lieu? So the code would looks something like: var z; if (JSON.parse) z = JSON.parse(yada); else z = JSON.parseJSON(yada);

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• IN Jquery , how do I go up a parent node?

  - by alex

  I just want to go up a parent node, so I can do a .find inside that parent node. In a sense, I want to .find a sister.

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• Heroku + Yii "Application runtime path is not valid"

  - by JStriedinger

  I'm trying to deploy a Yii webapp into Heroku but, it keep throwing at me a weird error: Application runtime path "/app/www/protected/runtime" is not valid. Please make sure it is a directory writable by the Web server process. Makes no sense and I know is something to do with Heroku because in my local machine it works fine. Does anyone what does this means? what do I need to do in Heroku ti fix this?? Many thanks.

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• open a customer record in Microsoft Dynamic from outside

  - by Aruna Tennakoon

  hi guys, I am new to Microsoft Dynamic CRM. I have a .NET Winforms application which requires to open a customer record in Microsoft Dynamic CRM. I have no idea how to do this. Please help.

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• PHP mobile browser detection?

  - by TreyK

  I'm in need of a way to detect mobile browsers server-side. I'd like a way that requires me to do little to set up and little to maintain, yet still provide me with accurate detection of (at the VERY least) Android, Mobile Safari and Blackberry browsers, along with alternatives like Opera. I'd like to have at least the majority of the mobile market covered, and I'd really prefer virtually all of the market if it doesn't take much.

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• What does "stupid" in "Keep It Simple, Stupid" mean?

  - by Borek

  I'm not a native speaker and always thought that the last "S" in KISS is a "salutation", like calling me that way if I don't keep things simple. But Wikipedia states that KISS stands for "Keep It Simple and Stupid". Which is "correct" or at least makes sense to you? And yes, this is a stupid question :)

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• Jeditable doubling up on linebreaks every edit

  - by st3

  I'm using var retval = value.replace(/<br[\s\/]?>/gi, '\n'); To strip the <br> tags from the textarea and nl2br('$_POST('newValueHere')') to insert into my database and to return back to jeditable to display the edits. The only problem I'm having is that each click on the editable field seems to make all the <br> tags be written twice? This makes no sense, does anyone have any ideas what could be going on?

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