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• Strange error from mysql storage engine

  - by zerkms

  General error: 1030 Got error -1 from storage engine the used storage engine is innodb the query was runned when i got it today morning was: SELECT feeds.* FROM feeds ORDER BY RAND() LIMIT 1 i know rand() is bad but it's very small table (<500 records) and not loaded project this error i receive approximately once a day. cannot google anything relevant :-(

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• nokogiri vs hpricot?

  - by roshan

  Which one would you choose? My important attributes are (not in order) Support & Future enhancements Community & general knowledge base (on the Internet) Comprehensive (i.e proven to parse a wide range of *.*ml pages) Performance Memory Footprint (runtime, not the code-base)

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• What is the Lua equivalent of Twisted Python, Eventmachine for Ruby, NIO for Java, etc.?

  - by z8000

  What is the Lua equivalent of Twisted Python, Eventmachine for Ruby, NIO for Java, etc.? If there is none, how does one do non-blocking event-based network I/O? In general, how does one solve the C10K problem in Lua? Thanks!

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• How can I create a FreeBSD package using EPM that has the ORIGIN @comment?

  - by Chris R

  I'm building packages of our internal software products using EPM, and over time these packages (of which we have a large number) clutter up the output of pkg_delete and pkg_add with the following general kind of messages: err: pkg_add: package MYPACKAGE has no origin recorded I can see from some old FreeBSD lists that the +CONTENTS file in the package must have a line like this: @comment ORIGIN:some_source_path What I don't see is a way to get this line in place using EPM. Can somebody tell me how to do this?

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• When are child views added to Layout/ViewGroup from XML

  - by JohnTube

  My question is : I want to know when does a xLayout (or ViewGroup in general) add a child view from XML ? And by "when" I mean at what point of code, in what "pass" of the "traversal" of the UI toolkit ? Which method of xLayout or ViewGroup should I override ? I have done my homework : I have watched the "Writing Custom Views For Android" presented (by Adam Powell and Romain Guy) in the last Google I/O and I have read Adam Powell comments on this Google+ post.

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• What are the guidelines to follow when designing an application ?

  - by debugger

  Hello All, This is general question. What would one take in considiration when designing a new application? ( Why choose a certain technology , Why independance between functions , Why Modularity ...) Discuss

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• When to use std::size_t?

  - by nhaa123

  Hi, I'm just wondering should I use std::size_t for loops and stuff instead of int? For instance: #include <cstdint int main() { for (std::size_t i = 0; i < 10; ++i) // std::size_t OK here? Or should I use, say, unsigned int instead? } In general, what is the the best practice regarding when to use std::size_t?

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• java api design - NULL or Exception

  - by srini.venigalla

  Is it better to return a null value or throw an exception from an API method? Returning a null requires ugly null checks all over, and cause a major quality problem if the return is not checked. Throwing an exception forces the user to code for the faulty condition, but since Java exceptions bubble up and force the caller code to handle them, in general, using custom exceptions may be a bad idea (specifically in java). Any sound and practical advice?

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• SharePoint 2010 Installation Checklist

  - by Bill Daugherty

  Is there a SharePoint 2010 CheckList out there that ensures that you have all of the features installed that a general org would need to have installed?

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• Explaining abstraction to a non-programmer.

  - by Dominic Bou-Samra

  Abstraction is a concept that seems difficult to explain, without reverting to using programming terminology. I've thought about it a lot, and I can't come up with a satisfactory answer. Does anyone have any very general, yet very pertinent explanations? Metaphors, similes etc are all welcome.

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• Android - How to set the wallpaper image?

  - by asdf.BEN

  What i'm trying to do is, set the wallpaper using an image URI (no cropping) I'm a noob at dev on Android and dev in general. The internet has failed me... on providing code to set the wallpaper. yes the dev resource site says public void setStream (InputStream data) but i don't understand it, some sample code would greatly help me.

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• IPhone memory problems...

  - by jAmi

  Hi, I am working on an App that is already been made but Memory Management was not considered in the development stages. So what can I do to keep the App memory usage low as soon as I get a memory warning? Is there any general tool or some piece of code that I can use to release any unused memory?

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• Offering text in different sizes

  - by Simon R

  This is a general question of sorts, but do you think that it's important to offer text resizing tools on a website, which in essense only effect text as it seems that most browsers offer text resising or more commonly zooming?

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• Why is Visual Basic bad?

  - by Mike

  Why do programmers consider Visual Basic a bad language? Putting aside any gripes with Microsoft or with proprietary/non-free software in general, and looking the language itself. Syntax, style, etc. I have just started using it, and find the syntax rather terrible. But I'm wondering what are the most common specific problems.

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• Is there a good java library for localized labels with database backing?

  - by Shaun F

  I'm looking for a good general library to grab localized labels for displaying on a web page. I've found some useful solutions at http://stackoverflow.com/questions/19295/database-backed-i18n-for-java-web-app and I will use them but I wanted to see if there was a standard library other than the fmt jstl tags that is already database backed.

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• Grails - Link checking as part of a continuous integration.

  - by Reverend Gonzo

  So, we have a grails app set up with a Hudson CI build process. We're running unit tests, integration tests, and about to set up Selenium for some functional tests as well. However, are there any good ways of fully testing a sites links to make sure nothing has broken in a release. I know there's link checkers in general, but I'd like to have it be a part of the build process, so a build outright fails if something isn't right.

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• Sum up values in an array list in java

  - by user1449997

  Hello to all tired and frustrated programmers, There is a problem I can't solve: In my array list there are Object arrays with the length of three and always on the last cell of the array there is a double. I need a loop which goes through the array list and sums up all doubles. (I need also some other thing from the arrays so a general idea how to loop through an array list would be perfect :-)) Any ideas? Thanks for your help, Greetings Demian

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• Optimal pixel format for drawing on iPhone?

  - by Felixyz

  Pretty simple question: when doing some pretty intense drawing with CoreGraphics on the iPhone, how can I specify the pixel format to get optimal performance? Is the format that I get from the context via UIGraphicsGetCurrentContext per definition the best one? I know that RGB565 is supposed to be the fastest to use in OpenGL. Does that go for CoreGraphics as well? General advice?

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• Podcasts for Clojurians?

  - by Michiel Borkent

  I regularly listen to the podcasts DotNetRocks and Software Engineering Radio. Lately I have become more interested in Clojure. Are there any podcasts that target more toward the Clojure (more general FP/LISP/dynamic languages) audience? I know of some single podcast episodes but I'm looking for a podcast I can regularly listen to.

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• c# any cool graphing libarys to graph performance data?

  - by BlackTea

  Any one know of a tutorial or library or something that i could use to help me accomplish rendering a X-Y GRAPH for performance data or just data in general. My goal is to have a final result looking something similar to This Chart rendered by RRD.

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• google maps api

  - by vick

  Hello everyone I want to have google map on my page and I hope it can be based of a zipcode.example 90001. I also would like to have the general stuff like the ability to zoom out, zoom in etc. Where can I get this?

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• No title node in Drupal

  - by abhishekgupta92

  I want to have a content type namely quote usign CCK. But quotes in general don't have a title. But since the title is a required field, how can I avoid being putting the title while creating a new node.

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• How is Java Process.getOutputStream() Implemented?

  - by Amit Kumar

  I know the answer depends on the particular JVM, but I would like to understand how it is usually implemented? Is it in terms of popen (posix)? In terms of efficiency do I need to keep something in mind (other than using a Buffered stream as suggested by the javadoc). I would be interested to know if there is a general reference about implementations of JVMs which answers such questions.

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• Ways to purge the workspace environment with RAD (based on Eclipse)

  - by Berlin Brown

  I am getting a lot of errors when starting RAD7. The server doesn't respond to class changes. Sometimes the server won't start. Sometimes RAD will not acknowledge modules that I added to the server. It is kind of buggy. I know there is metadata in the workspace, are there safe ways to clean the metadata or RAD in general? Where RAD = Rational Application Developer

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• How can I encode a Perl string so I can put it into an XML document?

  - by Sho Minamimoto

  I'm not too fluent with the perl XML libraries (actually, I really suck at understanding encoding in general), all I'm doing is taking a string that possibly has characters such as "à" and putting it in an XML file, but when I open the file, I get an encoding error at the line containing such a character. So I just need a lightweight way to take a string and encode it for XML.

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