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• Google Analytics without ga.js

  - by Andrew

  I can't find anything recent on this. Is there any documentation on how to track with Google Analytics without using ga.js? I want a JS implementation on mobile devices but I don't want to load up 9KB of local memory or use server-side GA. I'm primarily interested only in tracking page views and uniques. Has anyone rolled their own GA implementation?

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• LF/CR issue with RS232 in Linux

  - by Albinoswordfish

  I've been having this problem where anytime I send a 0xA through an RS-232 in a Linux OS the receiver interprets that as 2 bytes, 0xD and 0xA. Also whenever I receive 0xD the serial port interprets that as 0xA. I've been reading that there are known issues regarding this, has anybody been able to find a solution?

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• Security in programmming?

  - by yesraaj

  What is the best book to read about security issues that should be kept in mind while programming? What should a c++ programmer know about security? Is it worth buying any one of the following book If so which one should I get. Secure Coding In C & C++ Secure Programming Cookbook for C and C++ Writing Secure code

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• Benefit of using multiple SIMD instruction sets simultaneously

  - by GenTiradentes

  I'm writing a highly parallel application that's multithreaded. I've already got an SSE accelerated thread class written. If I were to write an MMX accelerated thread class, then run both at the same time (one SSE thread and one MMX thread per core) would the performance improve noticeably? I would think that this setup would help hide memory latency, but I'd like to be sure before I start pouring time into it.

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• Problems using a legacy database with a new rails application

  - by Kalyan

  What are the usual problems / stumbling blocks / issues / drawbacks when using a legacy database with a new rails application? We have to decide between using an old database or writing migration scripts to bring data from old database to new database following rails conventions. What would you suggest?

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• CFHTTP and IIS 7 Connection Failture (NOT SSL)

  - by Dave Quested

  I'm trying to do a very simple CFHTTP GET call to a local website running on IIS7, however it throws a 408 Connection Failure. I've done all the obvious things: The site is listed in the hosts file locally I've added the CFHTTPPARAM tags for IIS compression issues (deflate;q=0) Surfing to the URL in the browser works fine Doing a CFHTTP to google.com works fine, no local sites work at all. When searching on Google there are others that have had this, but no solutions. Anyone successfully got through this issue?

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• SVN merge loses files and code

  - by SyBer

  Hi. I'm trying to merge trunk change-set into a branch, but have found out a lot of post-merge issues, including whole files that disappeared, and missing code blocks I'm using SVN 1.6 for both clients and server. Tried this with multiple clients - Eclipse, Netbeans and SVN - the result is the same. Can someone advice how sort it out, and most important, prevent code loss? Thanks in advance!

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• Differnce between linux write and sendfile syscall

  - by JosiP

  Hi Im programming webserver (C), which should send big files. My question is: What are the main differneces in two syscalls: write and sendfile. Does sendfile depends on size of socket system buffer ? I noticed that write often writes less then i requested. For example, if got many requests for one file: should i open it, copy into memory and use 'write', or maybe i can do 'sendfile' for each client ? thx in advance for all answers

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• Instead of Triggers - Can they coexist with regular Triggers

  - by Randy Minder

  Can Instead Of triggers co-exist with regular triggers? If so, are there any potential issues we should be aware of?

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• Garbage collection in Perl

  - by srikfreak

  Unlike Java, Perl uses reference count for garbage collection. I have tried searching some previous questions which speak about C++ RAII and smart pointers and Java GC but have not understood how Perl deals with the circular referencing problem. Can anyone explain how Perl's garbage collector deals with circular references? Is there any way to reclaim circular referenced memory which are no longer used by the program or does Perl just ignores this problem altogether?

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• Should I worry about circular references in Python?

  - by bodacydo

  Suppose I have code that maintains parent/children structure. In such a structure I get circular references, where child points to parent and parent points to child. Should I worry about them? I'm using Python 2.5. I am concerned that they will not be garbage collected and the application will eventually consume all memory. Thanks, Boda Cydo.

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• Mootools: Formcheck tips over lightbox

  - by johnnyArt

  I have a form on a lightbox, that form is server side validated with php (no issues there) and client side validated with formCheck for Mootools, Is it possible to show the error messages on top of a lightbox? By default it shows them under the lightbox , and therefore useless to the user filling the form, since they cannot be seen. Any way of getting over this?

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• How to simulate a USB drive

  - by rursw1

  Hi all, Is it possible to simulate a USB drive with software only? I mean, for example, to expose a local memory space to the OS so the device manager will recognize it as a USB device. I'm not familiar with hardware implementation, but I'm sure that it is possible somehow to emulate the USB protocol. I began with this book - USB Design By Example. Can anyone please give me additional references to begin with? Thank in advance!

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• i2s0: transmitter underrun (0)

  - by tbarbe

  were doing some audio stuff and I keep seeing this in the Organizer Console. Sun May 2 20:16:48 unknown kernel[0] : i2s0: transmitter underrun (0) Are these transmitter underruns bad? I think its just when were shutting down audio input...but could a few of these cause some issues later on?

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• Remove an element from an xml File using jdom

  - by Llistes Sugra

  I have a 300 KB xml file with 70 elements in it. I need to be efficient upon removing one of the root's elements. What is the best approach? Should I detach the element in memory, save it and overwrite it by moving it? Is there a better option? I like org.jdom but any improvement is welcome

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• WPF MenuItem Color when set to black wont change to grey when disabled.

  - by Frank

  When the top menu item foreground is set to black and the background is set to white everything works fine for both XP and Windows 7. But we are using a main menu bar that is black and with white foreground. This causes issues in windows 7 only. Why is it that when you set a menuitem foreground to black it wont change to grey when disabled.

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• Android, store a couple of wav files.

  - by Dimitry Hristov

  I'm generating about 6 wav audio files at runtime. I want to store them in internal memory. Is a blob to sqlite the right/recommended way?

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• Caveats of select/poll vs. epoll reactors in Twisted

  - by David

  Everything I've read and experienced ( Tornado based apps ) leads me to believe that ePoll is a natural replacement for Select and Poll based networking, especially with Twisted. Which makes me paranoid, its pretty rare for a better technique or methodology not to come with a price. Reading a couple dozen comparisons between epoll and alternatives shows that epoll is clearly the champion for speed and scalability, specifically that it scales in a linear fashion which is fantastic. That said, what about processor and memory utilization, is epoll still the champ?

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• Should I redistribute msvcrt.dll with my application?

  - by kr

  Should I redistribute msvcrt.dll with my application and use the private dll if some of the application's libs dynamically depend on msvcrt.dll? I.e. are any incompatibility issues possible with the system's msvcrt.dll (dll hell)? Application is targeted for Windows Server systems.

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• Simple Fundamental Algorithm Question, binary tree traversal

  - by Ben

  I'm trying to explain to non-computer science major student with many questions. (1)What traverses tree? Is it just logic or actual on off switch generates 1s and 0s traveling the circuit board? where is this tree and node exists CPU/Memory in between? (2)If it is 1s and 0s HOW the circuits understand the line for example p=p.getLeft(); I said search the google or wiki.

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• Lazy load pages in UIScrollView

  - by jean

  I have a UIScrollView that contains large images and am using paging to scroll between images. In order to save memory, I am loading only one image before and after the currently visible one and loading/releasing new images after a scroll has completed. The problem occurs when one scrolls quickly and scrollViewDidEndDecelerating is not called. How can I detect continuous scrolling? I could check item location on every scrollViewDidScroll but this seems a bit heavy...

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• upgrading windows service using inno setup

  - by ofer

  Hi, I've created a basic windows service installation using Inno Setup. both install and uninstall works properly. However, I'm having issues with upgrading the service executable. it is needed to stop the service, and only ofter the service is completly stopped- the new executables should be placed in the target folder. how can I execute a service-stop command and wait for the service to actually stopped before the file copy step is initiate? thanks!

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• Easiest Way To Get Started In Dot Net

  - by Avery Payne

  Ok, so the initial search in StackOverflow shows nothing related for this question. So here it goes: Let's pretend for a moment that you're just getting started in a career in computer programming. Let's say that, for whatever reason, you decide to use the .Net framework as a basis for your programming. Let's also say that you've been exposed to some programming background, but not one in .Net, so it seems foreign to you at first. And lastly, you don't have the benefit of 25 years of exposure to the Win32 API, which explains why it seems so foreign to you when you start looking at it. So the questions are: What is a comprehensive overview of what .Net is? It appears to be a combination of a runtime environment, a set of languages, a common set of libraries, and perhaps a few other things...so it's about as clear as mud. Specifically, what are the key components to .Net? What is the easiest way to understand .Net programming with regard to available APIs? Which language would best suit beginning programming out of the "stock" languages that Microsoft has to offer? (C++, C#, VB, etc.) What are some differences between .Net programming and programming in a procedural language (aka Pascal, Modula, etc.) What are some differences between .Net programming and programming in a "traditional" object-oriented language? (aka Smalltalk, Java, Python, Ruby, etc.) As I currently understand it, the CLR provides a foundation for all of the other languages to run on. What are some of the inherent limitations of the CLR? Given the enormous amount of API to cover, would it even be worth learning a .Net language (using the Microsoft APIs) given that you would not have prior exposure to Win32 programming? Let's say you write a for-profit program with .Net. Can you resell the program without running afoul of licensing issues? Let's say you write a gratis (free) program with .Net. Can you offer the program to the public under a "free" license (GPL, BSD, Artistic, etc.) without running afoul of licensing issues? Thank you in advance for your patience.

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• WPF Graph Layout Component

  - by Jörg B.

  Does anyone know of or even better.. can wholeheartedly recommend a WPF graph layout component (Microsoft Research had GLEE a while back but it hasn't been updated after 1.0 since 2007 and isn't WPF etc) as seen e.g. in the screenshot below? I've seen yFiles WPF and Lasalle's AddFlow for WPF, but are there any alternatives? (c) Screenshot: RedGate Ants Memory Profiler

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• iPhone App runtime error- "Error: Embedded profile header length is greater than data length.\n"

  - by Rob Lourens

  This error Thu Apr 8 20:24:15 iPod-touch appname[947] <Error>: Error: Embedded profile header length is greater than data length.\n Thu Apr 8 20:24:16 iPod-touch appname[947] <Error>: Error: Embedded profile header length is greater than data length.\n is logged when a UIImageView is loaded. The view isn't huge but it has a few other UIImageViews as subviews and it might be related to memory, but I can't find anything on this message. Any ideas?

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