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• Install webapp to homescreen on iPhone?

  - by Stefan Kendall

  How do I go about allowing my webapp to be installed as an icon on a user's homescreen? Is the data cached locally, so that the webapp can be run when the user is outside of 3G? I did a quick google, but my search terms were lacking. I noticed that Google Buzz allowed me to install locally, and I'm wondering what the process is for creating web apps, and if they get special treatment (full caching/running offline).

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• Simple javascript to mimic jQuery behaviour of using this in events handlers

  - by Marco Demaio

  This is not a question about jQuery, but about how jQuery implements such a behaviour. In jQuery you can do this: $('#some_link_id').click(function() { alert(this.tagName); //displays 'A' }) could someone explain in general terms (no need you to write code) how do they obtain to pass the event's caller html elments (a link in this specific example) into the this keyword? I obviously tried to look 1st in jQuery code, but I could not understand one line. Thanks!

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• How to enable tab completion from the terminal specific to the executable

  - by Synesso

  In bash, I believe it is possible to enable tab completion on the terminal for terms that are specific to the executable being invoked. For example, given an executable "eat" with valid arguments {cake, carrot, banana}, typing 'eat car' should complete to 'eat carrot'. I believe this is possible because I have seen it with 'ant' tab-completing its targets (though how this was set up I don't know). How can this behaviour be implemented?

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• KSH shell script won't execute and returns 127 (not found)

  - by Chris Knight

  Can anyone enlighten me why the following won't work? $ groups staff btgroup $ ls -l total 64 -rw-rw---- 1 sld248 btgroup 26840 Apr 02 13:39 padaddwip.jks -rwxrwx--- 1 sld248 btgroup 1324 Apr 02 13:39 padaddwip.ksh $ ./padaddwip.ksh ksh: ./padaddwip.ksh: not found. $ echo $? 127 This is nearly identical to another script which works just fine. I can't see any differences between the two in terms of permissions or ownership. thanks in advance!

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• A good way in .NET Winforms to have user entered time frame?

  - by Ben

  Hi, Does anyone know of a good way to have a user enter an amount of time (hours and minutes) using winforms controls? At the moment I have two numeric up downs, one for time and one for minutes that I then parse to create a timespan. The only other idea I have is a text box that a user can enter a "00:00" time in, and validate the input. Both of these ways seem a bit bad (in UI terms) though. Any ideas? Thanks

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• mosso versus gogrid which is better?

  - by goodwill

  I have reasonable experience to manage my own server, so gogrid style management is not a problem. But seems mosso is a tag cheaper somewhat- except the very difficult to access compute cycles terms. Anyone could share about this would be very welcomed.

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• Resources for high performance SQL Server database design

  - by Nathan Ridley

  I'd like some suggestions for online resources (blogs, guides, etc - not forums) to help me become good at designing high performance SQL Server databases that operate with large amounts of data and have heavy loads in terms of data turnover and queries per minute. Suggestions?

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• Database performance benchmark

  - by pablo

  Any good articles out there comparing Oracle vs SQL Server vs MySql in terms of performance? I'd like to know things like: INSERT performance SELECT performance Scalability under heavy load Based on some real examples in order to gain a better understanding about the different RDBMS.

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• Exposing functionality over ASP.NET WebServices using best practices

  - by Erup

  In terms of performance, IIS process management and reliability, is there a best practice in how to expose functionality over ASP.NET webservices? Like: Each consulting service in a specific asmx (like consultA.asmx) All consulting services in one asmx (like consults.asmx) NOTE: In this case, I cannot use WCF

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• Comparsion between Pixel Bender(in Flash) and Pixel Shaders(in Silverlight)

  - by Andy Li

  Can someone explain the different between Pixel Bender in Flash and Pixel Shader(HLSL) in Silverlight in terms of programming flexibility and run-time performance?

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• Good beginners' level book about mobile telecommunication

  - by vito

  I've recently joined a company who specialize in the mobile telecommunication domain. I'm encountering a lot of jargons, and I'm feeling a bit lost in most of the conversations. Although I'm quickly searching for the new terms on the web and learning stuff on the job, I would like to read an introductory book that will take me through the basics of the mobile world. Thanks for your recommendations!

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• FileMaker Pro vs CiviCRM

  - by Silvana Procopio

  Hello, I would like some input about these two softwares since we are trying to change our current Access database, which has brought many problems and is completely outdated (it was built 10 years ago). These are the 2 options we have in mind and being a non-profit organization (20 employees), it's quite a big decision in particular in terms of costs. Due to the type of business, we will need several hours of development too. Any feedback will be greatly appreciated. Thank you so much in advance, Silvana

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• how to locate path (mobile) c#

  - by tike

  hi, i was trying to locate specific path for a picture (that i want to include) in mobile application (web server). and in terms of doing that i did this.. image src= \\program files\myprogram\a.jpg is that how it works is mobile device? to sum up, i was stuck being unable to display picture from specific path. any help appreciated thanks

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• what is more secure -- Data transfer using socket programming OR SSH/SCP/FTP

  - by Octopus

  I am still learning socket programming (using Perl) but I have both options ( socket programming and SSH/SCP/FTP) available to transfer the data from remote machines to my local servers. But I have to select one which is more secure in terms of data transfer. Any suggestions.

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• Not sure about ACL permissions

  - by Darko Miletic

  I'm writing up something about ACL usage on CentOS but since I still do not have a box ready I would like to ask something. Let us assume we have a folder /var/www/test If I do this in terms of permissions: /bin/chown -R root:root /var/www/test/ /bin/chmod -R u=rwx,go= /var/www/test/ /usr/bin/setfacl -R -m u:apache:rwx /var/www/test/ Will user apache be able to change owner of folder test or of any particular file within that folder? If answer is yes shall I than use group instead of user?

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• What is the difference between Computer Science and Information Science?

  - by Andres Jaan Tack

  I have heard these two terms thrown around by people with the same friends. As much as I've heard, computer science is the more mathematically rigorous and its graduates tend to write more code. What distinguishes an Information Science student from a Computer Science student? What different career paths are available to each?

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• What's a regular language?

  - by Javier Badia

  I've read that you can't parse HTML with regular expressions because HTML is not a regular language. I tried searching Wikipedia, but I didn't understand a word of what the various related articles said. Can someone explain, in simpler terms, what's a regular (or non-regular) language, and why non-regular languages can't be parsed with regexes?

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• smallest filesize for transparent gif

  - by zaf

  I'm looking for the smallest (in terms of filesize) transparent 1 pixel image. Currently I have a gif of 49 bytes which seems to be the most popular. But I remember many years ago having one which was less than 40 bytes. Could have been 32 bytes. Can anyone do better? Graphics format is no concern as long as modern web browsers can display it and respect the transparency.

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• Drupal taxonomy multi-select default value

  - by msindle

  I'm using drupal 6.16 and have a set of taxonomy terms that are set up as a multi-select box. I would like for the first item to be selected when the user loads the page. I dont know if I need to add code to a file or just simply change a setting. I should warn you I do not have a lot of experience, but would rate myself as a low intermediate level programmer. Thanks in advance msindle

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• Creating Read-only logs with python

  - by Travis

  I am writing a python script that needs to make a log entry whenever it's invoked. The log created by the script must not be changeable by the user (except root) who invoked the script. I tried the syslog module and while this does exactly what I want in terms of file permissions, I need to be able to put the resulting log file in an arbitrary location. How would I go about doing this?

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• Can someone clarify what this Joel On Software quote means: (functional programs have no side effect

  - by Bob

  I was reading Joel On Software today and ran across this quote: Without understanding functional programming, you can't invent MapReduce, the algorithm that makes Google so massively scalable. The terms Map and Reduce come from Lisp and functional programming. MapReduce is, in retrospect, obvious to anyone who remembers from their 6.001-equivalent programming class that purely functional programs have no side effects and are thus trivially parallelizable. What does he mean when he says functional programs have no side effects? And how does this make parallelizing trivial?

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• What is the single most compelling reason to migrate to Spring 3 from 2.x

  - by bart

  Currently working on a Spring 2.5 web application, looks as if the business has at least a 5+ year plan for it's usage. There isn't anything in terms of a technology roadmap in place for the app.

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• When should use doctrine ORM and when zend-db-table?

  - by meyosef

  In terms of project scale, doctrine vs zend-db-table speed and performance, when should I use doctrine inside Zend project, and when zend-db-table?

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• To HTML 5 or not to HTML 5 ?

  - by ZX12R

  I am a designer whose main marketing strategy is multi browser compatibility. I assure my clients that the site will work even in IE6 (!). Of late i have been pondering over the question of moving to HTML 5. The reason behind my apprehension is that IE6 is still a major player in terms of market share and i don't want to lose it. Is there any way of moving to HTML 5 and still promise multi browser compatibility? Thank you.

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• What's the best way to store a MySQL database in source control?

  - by Marplesoft

  I am working on an application with a few other people and we'd like to store our MySQL database in source control. My thoughts are two have two files: one would be the create script for the tables, etc, and the other would be the inserts for our sample data. Is this a good approach? Also, what's the best way to export this information? Also, any suggestions for workflow in terms of ways to speed up the process of making changes, exporting, updating, etc.

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