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• Java Swing - good idea?

  - by Mike

  hi, simple question : I need to write cross platform application (basically CRUD). Is usage of Java Swing good idea? Or is it out-dated and you know better solution? I dont want to use like 5 languages for various stuff, one or two should be enough. Thanx!

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• Using SQL Server for web applications

  - by rem

  As far as I understand, due to license reqirements all web applications, which use MS SQL Server, use SQL Server Express (free) or SQL Server web edition (processor license). Is it so? What are other specific features of SQL Server usage for web app?

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• Is it possible to route heroku-rails-app to a subdirectory of my custom domain?

  - by ernd enson

  I want to setup a rails app on heroku that is part of a website. The website which is hosted on a different server explains the usage of the app, shows a tour, plans, contains a blog on related stuff and so on. I want to route to my_domain/app and the app should respond to that url. The custom_domain add-on doesnt allow to enter directories. How can I configure that or how would you realize that scenario?

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• restricting the property type of a custom attribute

  - by Guy

  Does anyone knows if it is possible to define/declare on your own custom attribute a restriction to the field type it may apply on? There are a flags that do restrict the usage of the attribute: [AttributeUsage( AttributeTargets.Property, AllowMultiple = false)] Im looking for something like: UseOnlyOnType = typeof(string) Any ideas?

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• What is a good metaphor for c memory management?

  - by fsmc

  I'm trying to find a good metaphor to explain memory allocation, initialization and freeing in c to a non technical audience. I've heard pass-by-reference/value talked about quite well with postal service usage, but not so much for allocation/deallocation. So for I've thought about using the idea of renting a space might work, but I wonder if the SO crew can provide something better.

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• Recaptcha - Availability in China

  - by wacdany

  We are developing a site that will require the usage of a captcha service. Has anyone successfully use Google Recaptcha (https://www.google.com/recaptcha/intro/index.html) for a website for users from Mainland China? Did you have major problems with load-time? Did you experience any reliability problems? Any problems with the great firewall of china? Any experience that you can share is appreciated.

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• Two imageViews vs one imageView and a canvas

  - by user3009842

  I have a bitmap and I want to scale it up to fill an ImageView and overlay the unscaled version of the bitmap on top. Which would be cheaper (in terms of memory and processor usage)? Using two ImageViews, one for each version of the bitmap Using a canvas and drawing on the singular bitmap, using one ImageView I saw this question about ImageView vs Canvas, but it doesn't address memory/processor concerns. My intuition says two ImageViews may use more RAM, while using a canvas would use more processing power while the drawing occurs.

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• snmp and platform specific information

  - by reza

  I need to come with a strategy to use gather information about the health of my linux platform, hardware health such as high CPU temperature and may be disk space usage, etc... I know my examples are not very good ones. Essentially, I have an SNMP agent running on Linux and I need it to provide platform specific health and state information. Are there any Linux packages that do this, what MIBs to use, Dell Open Manager functionality??? Any thoughts and comments are appreciated.

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• What are subscription applications?

  - by Samuh

  I heard this term recently. What are subscription applications(for a mobile platform). Does this term fall under standard usage? Are there any examples of such a mobile application? Thanks.

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• What is the usefulness of placing attributes on specific parameters of a method?

  - by jpbochi

  I'm looking for a list of reasonable use cases of putting attributes in a parameter. I can think of some good cases for attributes in a method, but can't seem to see a good usage of a parameter attribute. Please, enlighten me. And what about attributes on the return type of a method?

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• Queue implementation with blocked 'take()' but with eviction policy

  - by mjlee

  Is there an implementation with a blocking queue for take but bounded by a maximum size. However, when the maximum size is reached, instead of blocking, it will remove from the head. One usage is that if I have a very slow consumer, the system will not crash ( runs out of memory ) rather these message will be removed.

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• Flash Security help needed

  - by Ela

  Hi, I am developing a player and i want to make it for only one domain usage for one download. If user needs again then again hew needs to download another version from my site. How can i make it. Please some one tell me

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• SQL and/or LINQ query for determining daily increases in viewers

  - by Gio

  We're montioring usage of a certain resources by monitoring users logins (We can see user logins growing daily). After filtering out repeat inter day logins for users, we'd like to track the # of users using the service each day, and then using that info to determine overall incremental gains for each calendar day. Our table is pretty simple: class ServiceLogin { String login; DateTime loginTime; }

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• Visual studio 2010 beta 2 problem

  - by bemon

  Hi there! I've been messing around with VS2010 beta 2 (ultimate) on windows7 and already I have a nasty problem - when I try to run devenv it's only shows me very-nice-beta2 splash screen and cpu usage of devenv process run to sky. If thats can help - on machine i have already vs2008 installed.

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• tomcat memory issue

  - by lalchand

  I am having more than 150 web applications in my tomcat web-apps directory can these be the one of the reason for increase in memory usage. i have installed tomcat as a service .

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• Get info about Http Post field order

  - by Eugene

  Is it possible to get information about post field order in ASP.NET? I need to know whether some field was the last one or not. I know I can do it through Request.InputStream, but I’m looking for a more high level solution without manually stream parsing. Generally I’m doing testing of http post sent by my application and there is no practical usage for this in ASP.NET.

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• ms-access: difference between .value and .text

  - by every_answer_gets_a_point

  i am passing values from a textbox into a sql statement in ACCESS i do not understand the difference in the usage of these two properties when i set the the .text property to something, how does the .value property get affected? when i do want something to be displayed in the textbox should i be using the value or text property?

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• Tools to profile the most computational cost of my .NET application.

  - by smwikipedia

  I have a C# application which sometimes cost the CPU very high. I want to see which part of the code cost most. But the Microsoft CLR Profiler only determins the memory usage, it's not meant for computational profiling according to here. Is there any tools to do this? Thanks.

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• When to Multithread and when not to Multithread c++ applications?

  - by Ashwin

  I have been in an assumption that multithreading gives a lot of flexibility and power to make efficient programs. But I am wrong. Multithreading is sometimes not desirable as it will create serious impact on the way the actual program behaves. My question? I am not sure of when to use and when not to use multithreads in applications. Please update this thread and give your opinions on multithreading and suggestions on its usage scenarios.

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• ImmutableDictionary has no constructors defined

  - by lukasLansky

  So, I would like to write something like this: var d = new ImmutableDictionary<string, int> { { "a", 1 }, { "b", 2 } }; (using ImmutableDictionary from System.Collections.Immutable). It seems like a straightforward usage as I am declaring all the values upfront -- no mutation there. But this gives me error: The type 'System.Collections.Immutable.ImmutableDictionary<TKey,TValue>' has no constructors defined How I am supposed to create a new immutable dictionary with static content?

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• Firebird 2.1 + EXISTS = query bug?

  - by Atlas

  Using Delphi 2009 + Firebird 2.1.3. Database is ODS 11.1, default char set is UTF8. My prepared query is as follows: SELECT a.po_id, a.po_no FROM purchase_order a WHERE EXISTS (SELECT 1 FROM sales_order_item z1 JOIN purchase_order_item z2 ON z2.so_item_id = z1.so_item_id AND z2.po_id = a.po_id WHERE z1.so_id = :soid) ORDER BY a.po_no Now when I loop this say 1000 times because I have 1000 x so_id, the CPU usage get at 100% for FBSERVER.EXE Anyone encountered this problem?

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• errors on shell

  - by lego69

  somebody knows what does this error mean? Usage: tcsh [ -bcdefilmnqstvVxX ] [ argument ... ]. I receive this error after I enter in my script this row #! /bin/tcsh -f

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• Sanitize GET query with Apache

  - by Freelancer

  Hello everyone, I see there's a lot of talk here about how to go about sanitizing data. Could it be as simple as adding this rewrite rule to .htaccess? RewriteRule ^([\w\-]+)$ index.php?page=$1 To my understanding this will allow only letters, numbers, _ and - in $1, am I right? If you add to this usage of prepared statements for SQL queries, it should be pretty proof, is that right? Somehow feels like too easy to be true, am I missing something, any ways to firm it up?

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• Why can't I write just a try with no catch or finally?

  - by Camilo Martin

  Sometimes I do this and I've seen others doing it too: VB: Try DontWannaCatchIt() Catch End Try C#: try { DontWannaCatchIt(); } catch {} I know I should catch every important exception and do something about it, but sometimes it's not important to - or am I doing something wrong? Is this usage of the try block incorrect, and the requirement of at least one catch or finally block an indication of it?

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• Log into file or database, readability question

  - by Fungsten

  Hi there! Right now I'm logging some info of the user in my web app in a log file to observe the usage & interest for some services, but I'm interested in checking that info in a readeable way, so I'm questioning if maybe I shall save that info in a database and then retrieve it to show it in tables or whatever. It's better to log in the database for my purposes? Or logging like now I could select/order the info of the log easily?

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