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• My Header over External Content

  - by TrivaniJoanne

  I can see this web site is somewhat over my head, but I'm having trouble finding an answer. I want to put my header, with links to other pages, over external content. Here's why: My MLM gives me a replicated web site that they maintain. I want to add links to my blog, contact info, even meta tags to the site. I though I had it done by using an iframe. I have my content at the top, and the MLM site shows up in the iframe. (here is the link www.trivanijoanne.com) The problem is that the iframe doesn't resize when the external content changes, and it is confusing for the user to need to scroll up to see the page. Also, the pdf pages don't load inside the iframe. I looked around online and see that iframes are a thing of the past. What should I be using to accomplish this task?

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• How can I calculate data for a boxplot (quartiles, median) in a Ralis app on Heroku? ( Heroku uses P

  - by hadees

  I'm trying to calculate the data needed to generate a box plot which means I need to figure out the 1st and 3rd Quartiles along with the median. I have found some solutions for doing it in Postgresql however they seem to depend on either PL/Python or PL/R which it seems like Heroku does not have either enabled for their postgresql databases. In fact I ran "select lanname from pg_language;" and only got back "internal". I also found some code to do it in pure ruby but that seems somewhat inefficient to me. I'm rather new to Box Plots, Postgresql, and Ruby on Rails so I'm open to suggestions on how I should handle this. There is a possibility to have a lot of data which is why I'm concerned with performance however if the solution ends up being too complex I may just do it in ruby and if my application gets big enough to warrant it get my own Postgresql I can host somewhere else. *note: since I was only able to post one link, cause I'm new, I decided to share a pastie with some relevant information

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• Advice needed: What tech expertise do I need to accomplish my goal?

  - by quaternion

  I have a business plan & money to hire a developer - the essentials involve simple online games for children (played via traditional computer over the internet) such that their scores are uploaded to a database that can be viewed via a nice portal. What I don't know is: what technologies I would want my developer to know (the only somewhat unusual requirement I have is that the games have relatively accurate timing of keypresses/mouse presses) how much I should expect to pay (in general, what is the appropriate range) how many hours a program of the complexity of a simple tower defense -type game should take to develop (to be clear, the idea is not to implement TD, but rather other games of similar complexity) whether I should go with capable acquaintances, some online kind of online web-dev bidding site, or just try to find a capable undergraduate at the local university who I can wow with his/her first big paycheck, how I should communicate the software's specifications to my hired developer... Is there a standard I should be using? whether I should hire a webdev consultant for a few hours to help me answer these questions, instead of asking stackoverflow Thanks for any advice!

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• How best to pre-install OR pre-load OR cache JavaScript library to optimize performance?

  - by Kabeer

  Hello. I am working for an intranet application. Therefore I have some control on the client machines. The JavaScript library I am using is somewhat big in size. I would like to pre-install OR pre-load OR cache the JavaScript library on each machine (each browser as well) so that it does not travel for each request. I know that browsers do cache a JavaScript library for subsequent requests but I would like the library to be cached once for all subsequent requests, sessions and users. What is the best mechanism to achieve this?

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• What virtual machine software for fail-over and snapshots?

  - by consolibyte

  We're looking to virtualize a few machines with the hope that we can: a) Take "snapshots" of a machine to use as backups b) Implement a system where if the software/hardware fails, we can quickly and easily load up an recent snapshot on new hardware and replace the failed machine with a new one. As always, cost is a concern- there's only 3 or 4 servers we're going to do this with, so we don't want to drop $50,000 on this. I'm confused by all of the different virtual machine offerings. Which one is does what I want, and does it easily?

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• Cascading switches: uplink to uplink?

  - by wuckachucka

  I'm a bit confused as to why I haven't seen any references online to using Switch A's uplink port (1Gbps, 24-port 10/100) to connect to Switch B's uplink port: everything I've seen -- including documentation, forums, articles, etc. -- has Switch A's uplink port going to one of Switch B's 10/100 access ports. As I understand it, the Uplink port (besides greater speed normally) is no different than another port except that it's "internally crossed-over" so that you can use a straight cable with it. I've also seen documentation on using the uplink port to connect a switch to a gateway router, or even a server, as it provides greater bandwidth than the access ports, but yet not sure why nobody seems to be cross-uplinking, even when there's 2 uplink ports available on some higher-end switches. Switch in question is Linksys SRW224P (x2). Am I missing something?

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• Why are my files in /var/lock and where did they just go?!

  - by Nicky Hajal

  I am hosting a website on Debian 5.0 & Apache2. Today one of my websites was down, Apache said it couldn't find the directory. I located the files and the whole site once in /var/www/site was now /var/lock/site. All the files were present. I was confused, but figured I'd just move it back. mv /var/lock/site /var/www All looked fine... Except that only the directories moved and the files appear to be lost! I am working on restoring from backups but I would really love to know what happened and where my files went (the backups are a few days old). Thanks for your help!

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• Is any EXIF data stored within 3rd party Camera apps on the iPhone?

  - by 3rdparty

  I'm confused as to if any EXIF data is available when taking photos within 3rd party camera apps on the iPhone. My understanding is that Apple is currently not allowing any apps to save EXIF data to photos, and this is a limitation of saving to the camera roll on the phone. The last FAQ on this page indicates this, but appears to be out of date: http://www.codegoo.com/page/support I love some of the camera apps I've downloaded (Camera Genius, Best Camera, CameraBag) but don't want to continue using them if they aren't saving any/all EXIF data for the image. Anyone aware what the status of this 'limitation' is?

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• Can I make the Courier email server use a non-default salt for passwords?

  - by Vasiliy Stavenko

  I'm setting up email server for the first time and confused with strange thing. I have several user accounts which stored in previous server. Passwords for this accounts are in plain text. But I want to create crypts for them. MySQL (where my users will be stored) have function encrypt(passwd, salt). If no salt given used random value. I discovered that Courier uses one certain salt and crypted all passwords with it. So the task done. But I'd like to know if there's a way to define my own salt for my pop3 server?

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• Can I make the Courier email server use a non-default salt for passwords?

  - by Vasiliy Stavenko

  I'm setting up email server for the first time and confused with strange thing. I have several user accounts which stored in previous server. Passwords for this accounts are in plain text. But I want to create crypts for them. MySQL (where my users will be stored) have function encrypt(passwd, salt). If no salt given used random value. I discovered that Courier uses one certain salt and crypted all passwords with it. So the task done. But I'd like to know if there's a way to define my own salt for my pop3 server?

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• Building MobileVLCKit from git.videolan.org repository on macOsX with XCode

  - by ztepsic

  I would like to make an application for iOS(iPhone and iPad) that can play streaming videos through RTSP protocol (that includes mms). I imagined to achive a specified application using VLC player or libVLC library. On the official vlc git repository (http://git.videolan.org/?p=vlc.git;a=tree) in projects/macosx/framework/ folder there is xcode project MobileVLCKit.xcodeproj for which I assume that is a somewhat usable VLC framework for iOS. Now the problem is that I can't/don't know how to build this project. When I try to build MobileVLCKit.xcodeproj I get an error that says it can't find files inside extras/contrib/hosts/i686-apple-darwin10/ios/ folder. I have looked within that folder (extras/contrib) and managed to create folder (with files) extras/contrib/hosts/i686-apple-darwin10/ with make, but there is no ios folder. So, does anybody knows how to successfully build MobileVLCKit?

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• Problem searching a NSMutableArray

  Basically, I have a UISearchBar searching an NSMutableArray of stories that make up an RSS feed, and when you select a story, it loads in my app's UIWebView. It's difficult to explain, but I have a list of entries 1, 2, 3, and 4 and you search for '4'. 4 will be the first entry in the now-filtered list of data, right? You'd think that by selecting 4, it would load in the UIWebView. Well, the app seems to not recognize that you're selecting the first entry in a filtered list of data, and instead thinks that you're selecting the first entry in the unfiltered array of data, so it loads entry 1. Everything looks right in my code, but obviously it isn't. I know it's a confusing problem, but I hope I made it somewhat clear. Anyway, here's the relevant source so that you may see exactly what I mean: Search.h: http://www.scribd.com/doc/13107802/Searchh Search.m: http://www.scribd.com/doc/13107812/Searchm

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• How can Perl interact with an ajax form

  - by Jeff

  I'm writing a perl program that was doing a simple get command to retrieve results and process them. But the site has been updated and now has a java component that handles the results (so the actual data is not in the source code anymore). This is the site: http://wro.westchesterclerk.com/legalsearch.aspx Try putting in: Index Number: 11103 Year: 2009 I want to be able to pro grammatically enter the "index number" and "year" at the bottom of the form where it says "search by number" and then retrieve the results listed next to it. I've written many programs in Perl that simply pass variables via the URL and the results are listed in the source code, so it's easy to parse. (Using LWP:Simple) Like: $html = get("http://www.url.com?id=$somenum&year=$someyear") But this is totally new to me and I don't know where to begin. I'm somewhat familiar with LWP:UserAgent and Mechanize. I'd really appreciate any help. Thanks!

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• Needing to copy properties before validation

  - by Mikael

  I have a farily complex model needing to be validated, the problem is that this model is used on two different places, one where you register your customer and one where you simply add addresses. Some fields on the address are simply not visible on the register customer form. So when i check if ModelState.IsValid i get false of course since eg. the name is not entered on the billing address, but it is on the customer. That is why i want to before validation occurs, copy a couple of fields to the model, and then validate. I am somewhat lost though and i need help. My action looks something like this: public ActionResult Register(WebCustomer customer) { customer.CopyProperties(); if(TryUpdateModel(customer)) { ... } ... But it always returns false, and ModelState.IsValid continues to be false.

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• How can I create a new email account in Java?

  - by Jeremy Goodell

  I am able to send and receive emails from my JSPs and associated Java code using the Java Mail API (javax.mail.*). Now I would like to create a new POP3 email account programmatically when a user registers for my site. I've found surprisingly little information about this with web searches. I would think it would be a somewhat common problem. It appears that the Java Mail API does not provide any assistance in this area. I have many email accounts available under my godaddy account, and to manually create an account, I just go to the godaddy email control panel, click Add, and specify the email address and password. This is exactly what I would like to do via a Java program. Any ideas?

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• taskbar-free window manager

  - by 7vies

  I'm looking for a window manager that is not based on the "standard" taskbar (which I find a poor idea and I'm completely tired of). I'm aware of tiling window managers and improvements in last versions of operating systems, but I can't find what I need. I suppose that any window takes the whole screen (or can be tiled), and I imagine switching between windows like that: on a hotkey or mouse hot zone the screen becomes a task switcher where tasks are organized in a somewhat convenient manner. Well, it's a bit like a taskbar with autohide, but I think there could be some more convenient ideas than simply stacking icons and descriptions... It is also supposed to be lightweight enough, for example to run on a netbook. Any suggestions?

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• How to install the TRIM RAID update for the Intel storage controller?

  - by Mike Pateras

  I just found this article, that says that Intel now supports TRIM for SSDs when the Intel storage controller is in RAID mode. It links to this download page. I'm pretty excited about that, but I'm a little confused. There seem to be two sets of drivers, an executable and something that's bootable. I ran the executable. Is that just to apply the drivers to my system now, and are the bootable drivers so that if I re-format, I won't have to re-run everything? Do I need to do both? And is there a way to check if it worked? I'm running an i7 in Windows 7 (ASUS P6T Deluxe Motherboard) with RAID 0, if that's significant.

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• Is there an existing solution to the multithreaded data structure problem?

  - by thr

  I've had the need for a multi-threaded data structure that supports these claims: Allows multiple concurrent readers and writers Is sorted Is easy to reason about Fulfilling multiple readers and one writer is a lot easier, but I really would wan't to allow multiple writers. I've been doing research into this area, and I'm aware of ConcurrentSkipList (by Lea based on work by Fraser and Harris) as it's implemented in Java SE 6. I've also implemented my own version of a concurrent Skip List based on A Provably Correct Scalable Concurrent Skip List by Herlihy, Lev, Luchangco and Shavit. These two implementations are developed by people that are light years smarter then me, but I still (somewhat ashamed, because it is amazing work) have to ask the question if these are the two only viable implementations of a concurrent multi reader/writer data structures available today?

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• How soon does nginx's token bucket replenish when limiting at requests per minute?

  - by Michael Gorsuch

  Hi all. We've decided that we want to experiment and limit requests per minute instead of requests per second on our sites. However, I am confused by the burst parameter in this context. I am under the impression that when you use the 'nodelay' flag, the rate limiting facility acts like a token bucket instead of a leaky bucket. That being the case, the bucket size is equal to the burst parameter, and every time that you violate the policy (say 1 req/s), you have to put a token in the bucket. Once the bucket is full (being equal to the burst setting), you are given a 503 error page. I am also under the impression that once a violator stops going against the policy, a token is removed from the bucket at a rate of 1 token/s allowing him to regain access to the site. Assuming that I have the above correct, my question is what happens when I start regulating access per minute? If we chose 60 requests per minute, at what rate does the token bucket replenish?

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• Java Framework Choice Question.

  - by Sarang

  We do have many frameworks available in Java. Struts, Swing, JSF 2.0, Spring etc are used as per their priority. Actually, I don't know how many they are as well! But, as I am fresher to Java, even learning after their architecture, I cannot decide which framework can be used with what type of Projects ! Also, I am confused with mixed use of framework like Spring + JSF. What is the benefit to it ? Another thing making me confusing is about the UI components available in market. Like, we do have Primefaces, Ice-faces, MyFaces, Rich-faces. They may or may not have been supporting AJAX in-built. They may contains some bugs as well. What is best choice for Framework + UI component that can directly provide a best feet solution for any project ?

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• Win7 safe mode pretends it's Xp?

  - by Joachim Kerschbaumer

  hi there, just a question in between. a friend of mine brougth me a laptop that does not work anymore and wanted me to check whether i can do something. she told me its windows 7, and startup screen and login screen look like it. howevere, as she gets a bluescreen on startup it is only possible to boot in safe mode where the system pretends to be windows xp sp3. the system also may have 1 gig of ram but the system itself states that it has 954 mb of ram which is a value i´ve never seen before. is there everything corrupt from operating system to hardware, or am i just a newbie that does not know that windows 7 pretends to be winxp sp3 in safe mode? or is this laptop just the victim of an illegal, crazy copy of xp sold as win7? maybe some strange chinese stuff? i also recognized that the startup screen of Outlook Express is pronounced as "Outllok Express" (no typo) i´m kinda confused, maybe someone could put light into this ;) thanks

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• Connecting FreeNAS 8 to Mac OS X Lion LDAP Server

  - by Absolution

  I currently have Mac OS X Lion Server running from a MacMini and want to use it purely as an LDAP server for authentication for FreeNAS 8. I have FreeNAS setup and running on a VM, all features working correctly and as expected however I cannot connect to my LDAP server (MacMini). Error message; **Nss_ldap: could not search LDAP server – server is unavailable** For LDAP service settings in FreeNAS, I know my Hostname and Base DN are correct (exact copies of what I set originally and ones that are shown in server:open directory overview) however I am unsure what to enter for Root bind DN, password and Suffix’s. I have researched into where I can find these out and other than following the FreeNAS examples it appears there is a way to find out within the Server Workgroup Manager specific to my settings – however this function is unavailable to me and cannot be ‘ticked’ to view for some strange reason. Some forums explain how Root bind DN should be uid=admin, dc=… and others cn=admin, dc=… – I’m rather confused and would appreciate your help or advice with this.

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• C# WPF: Combobox isn't jumping down the list as I type when I use a multiconvert on it.

  - by michael paul

  Basically, I have a combobox that is built by doing multibinding (multiconverter) for the memberdisplaypath. The problem is if the combobox is selected and I start typing, it doesn't jump down the list. Doesn't it go by what's displayed in the combobox for typing? That is, if the combobox is setup like so: //value/display (please disregard how weird the numbering is...) //ref - the value is built upon an observablecollection of a class. ref / "" ref / "10 - Very much agree." ref / "15 - Somewhat agree." ref / "19 - No weight." ref / "23 - Somwhat disagree." ref / "33 - Very much disagree." If the user presses the "1" key it should jump to "10 - Very much agree." But, instead it just sits there...

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• Reporting framework for extending definition & execution to the end users (ASP.Net)

  - by Kabeer

  Hello. My application is a product which will have reporting capabilities. The product, when in production, is expected to have several ad-hoc report defined by the end users. I am looking for a platform that can be tailored to harness the business entities and extend reporting capabilities (definition & execution) to the end user. Here are some constraints: From the usability standpoint, I like what MS Access reports offer. But of course it is not suitable for the target web application. However, it certainly is a source of inspiration usability wise. Cost is a constraint. So something recommended from open source world will be appreciated. Otherwise too I'd like to know. The product in question is somewhat 'generic' in nature. Mine is a ASP.Net platform.

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• Authenticating a Windows client to a Samba share

  - by hekevintran

  I have a Samba network share being served by a Linux machine. The share is read-only unless you give it a username and password. I want my Windows 7 client machine to connect to it. It appears that the Windows machine is connecting as a guest because it does not have write access. The Windows machine never asks me whether or not it should connect as a guest or with a username. How do I make the Windows machine authenticate? Where do I input my password? This seems like such a simple thing yet I am totally confused. On Mac OS and Linux, it simply asks you for a username.

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