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• How to create sleek customized buttons, tables and other views for iPhone/iPad apps?

  - by wgpubs

  I'm looking to know both what can be customized as well as the recommended way to customize some of the major UIView subclasses in the iPhone SDK (in particular UIButton, UITableView/Cell ... but really open to any of the views in the SDK). Any recommended tutorials? Examples? Are there bad practices that can actually hinder performance and/or destablize your app in any way that should be avoided? Thanks

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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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• Linq to SQL Compact - Transaction or just SubmitChanges

  - by eWolf

  I'm using Linq to SQL on an SQL Compact database. I have a function where I insert multiple records into the database. I only call SubmitChanges at the end of the function. Would using a transaction (using the TransactionScope class) bring me any more performance or advantages?

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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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• 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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• Dictionary vs ArrayList

  - by ManojTrek

  While Adding the data into the collection, which is better practice to use, and what is performance Impact if we use Dictionary vs ArrayList and Why?

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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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• JavaScript Encapsulation / JQuery

  - by Chris

  I am trying to figure out how to keep my page variables in my application from being defined globally. I've come up with a few methods but am wondering if there is a general standard approach people use. I've got my plugin design pattern down using this approach: http://www.virgentech.com/blog/2009/10/building-object-oriented-jquery-plugin.html. But I'm just not sure how to handle my page level encapsulation.

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• Use of With Clause in Sql Server

  - by hgulyan

  Hi friends, please, help me understand how's that working. Does it really give me some performance boost or it just helps to make more readable scripts? Thanks.

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• what is the proper way to do logging in csv file?

  - by user2003548

  i want to log some information of every single request send to a busy http server in a formatted form,use log module would create some thing i don't want to: [I 131104 15:31:29 Sys:34] i think of csv format but i don't know how to customize it,and python got csv module,but read the manual import csv with open('some.csv', 'w', newline='') as f: writer = csv.writer(f) writer.writerows(someiterable) since it would open and close a file each time, i am afraid in this way would slow down the whole server performance, what could i do?

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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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• Is django orm & templates thread safe?

  - by Piotr Czapla

  I'm using django orm and templates to create a background service that is ran as management command. Do you know if django is thread safe? I'd like to use threads to speed up processing. The processing is blocked by I/O not CPU so I don't care about performance hit caused by GIL.

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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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• Toast versus Dialog boxes: which to use when?

  - by Samuh

  The answer could be subjective. The answer could be intuition. And I guess the answer could be found from the traditional modal versus non-modal debates. But in general how do you generally decide which one to go for? What are their use cases? Thanks.

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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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• 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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• How to specifically identify server issues from a load test result (using LoadRunner)?

  - by Bash

  How do you isolate a performance issue to a specific component of the application infrastructure? Specifically, are there distinct markers in the result logs that distinguish between bottlenecks at web, application and/or database server levels? I was asked this question in an interview and went blank on it. Seems this information is not available anywhere.

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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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• anyone out there using Chicago Boss?

  - by user94154

  Chicago Boss seems like a neat framework and a good excuse to learn Erlang. Have any of you used it? Can I really get great performance hosting it on a single machine?

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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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• What's faster DOM Insertion or Manipulation?

  - by Denis Hoctor

  Hi all, Am I better to move a node I sent down form the server or to insert it? I'm using jQuery (1.4) but would like to know for both jQuery and JS in general. In this case the node is small with only one child. But what if it were a large list?

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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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• UIViewController as statemachine?

  - by Josh P.

  I want to have a general controller that acts as an abstract statemachine (not have any views/bars etc. of its own). Is the UIViewController meant for this too?

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• Best way to get individual digits from int for radix sort in C/C++

  - by jordanstephens

  What is the best way to get individual digits from an int with n number of digits for use in a radix sort algorithm? I'm wondering if there is a particularly good way to do it in C/C++, if not what is the general best solution?

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• How do I automate the padding for arbitary images using MATLAB?

  - by user198729

  This is a further question based on this answer: http://stackoverflow.com/questions/2589851/how-can-i-implement-this-visual-effect-in-matlab/2589957#2589957 The general solution should work for all background colors and length/width ratios.

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