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• Codeigniter: Check where model is loaded from?

  - by qwerty

  I'm having the strangest thing ever right now. I "disabled" a model because i don't need to access it ever again. I did so by echoing out an error string in the __construct() and right after that die(). That way i would notice if i ever loaded the model, even by mistake, which should never happen. Alright? The problem is, the model is not loaded ANYWHERE in the entire project, but it still gets loaded for some reason. It's not auto loaded, that's for sure. Is it possible to track down where a model is loaded? Like which line it happens etc?

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• C# Windows Service Intermittent Method Call

  - by Goober

  Scenario I have a C# Windows Service that essentially subscribes to some events and if anything is triggered by the events, it carries out a few tasks. The Thing... ....is that these events are monitoring processes, which I need to restart at certain times of the day. Question What's the best way I can go about performing this task at an exact time? Thoughts so far are: 1)To use a timer that checks what time it is every few minutes. 2)Something that isn't a timer and doesn't suck as an implementation. Help greatly appreciated.

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• Is it possible to programmatically control c# health monitoring without using the web.config file?

  - by Adam

  I have developed my own custom provider for the health monitoring; however, I use parameters in the constructor and this is not allowed when using the health monitoring from the web.config file. Does anyone know if I can turn on/off the monitoring and have it watch properly through code (possibly in my global.asax file on application startup). Or, is it possible for me to create my own watcher that will do the same thing as the health monitor. Or, finally - can I just pass variables from the web.config setup (i'm not familiar with the public token part of the provider type declaration). Thanks in advance

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• How do you determine using stat() whether a file is a symbolic link?

  - by hora

  I basically have to write a clone of the UNIX ls command for a class, and I've got almost everything working. One thing I can't seem to figure out how to do is check whether a file is a symbolic link or not. From the man page for stat(), I see that there is a mode_t value defined, S_IFLNK. This is how I'm trying to check whether a file is a sym-link, with no luck (note, stbuf is the buffer that stat() returned the inode data into): switch(stbuf.st_mode & S_IFMT){ case S_IFLNK: printf("this is a link\n"); break; case S_IFREG: printf("this is not a link\n"); break; } My code ALWAYS prints this is not a link even if it is, and I know for a fact that the said file is a symbolic link since the actual ls command says so, plus I created the sym-link... Can anyone spot what I may be doing wrong? Thanks for the help!

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• Are their any good way to genrate XML file through C# in .net

  - by steven spielberg

  i wanto make a xml file like <?xml version="1.0" encoding="Windows-1252" ?> <settings> <typeofsetting> <wordname="add" /> </typeofsettings> </settings> the wordname can be depend on what user need. how i can make a application that user can generate the XML file of thing they want. are their any good way to do this. the wordname not user defined it's come from database the application have inbuilt. are their any good practice to do this in c# win-forms.

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• Can there be two public section in a class? If yes then why ? And in which circumstances we do so?

  - by Abhi

  Dear all I have a doubt related to class. For example class A { public: A() { ..... ..... } void cleanup() { .... .... .... } public: UINT a; ULONG b; }; In the above example there are two public section, In first section i am defining constructor and the method and in the second section i am declaring data members. Does the above class i.e. A is correct. Can we do so? If yes then why we needed and in which circumstances we should use it? Also we can do the entire thing in one section then why un necessary we r taking two section...? Thanks and regards Abhineet Agarwal

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• Check if iOS app is live in app store

  - by MSK

  Is it possible somehow to code like below in iOS app ? if(app is live in app store) { //Do something } else { //Do other thing } I wanted to avoid cases where our QE/Dev team is using app for testing. Is there a way I can detect how app code is signed (Developer/Adhoc/Distribution) to check ? Even if it is possible, it will not eliminate cases when Apple is using our app for testing as part of review. We recorded many downloads of our content by Apple before our app goes live in App store.

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• Memory leak with ContextMenuStrip

  - by Dave

  I'm creating a lot of custom controls and adding them to a FlowLayoutPanel. There is also a ContextMenuStrip created and populated at design time. Every time a control is added to the panel it has its ContextMenuStrip property assigned to this menu, so that all controls "share" the same menu. But I noticed when the controls are removed from the panel and disposed of, the memory in use in Task Manager doesn't drop. It rises around 50kB every time a control is created and added to the layout panel. I downloaded the trial of .NET Memory Profiler and it showed there were references to the menu strip hanging around after the controls were disposed. I changed the code to explicitly set the ContextMenuStrip property to null before disposing of the control, and yep, the memory is now released. Why is this? Shouldn't the GC clean up this type of thing?

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• Troubleshooting occasional timeout of select() in windows

  - by JonF

  I'm having an occasional problem with select() timing out on me. I have it set for twenty seconds. The system will handle 100's of transactions correctly, but occasionally one fails with the selet timing out. It does about 1 transaction every few seconds, opening and closing the tcp conncetion with each transaction. I thought the server my app was connecting to might have to many connection attempts pending, but no 4226 events are showing up in the logs One more point thing I noticed when using wireshark that I'm getting a SYN,RST in response to the SYN I am appearently sending. This only happens a few times over the first second or two, then I don't see any more activity in Wireshark

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• Why does derivative trading position always require C++ knowledge?

  - by Jeffrey

  I’ve never worked in trading environment before and I was curious to see that few of the trading houses seem to use C# but most of them do heavily rely on C++. Why is it? Is it because C++ is better performance wise? Is it because of legacy code base? Is it because cross platform issue? What about dynamic languages (ruby, python)? Are they too slow for this kind of work in terms of performance? Updated: If realibility and performance are important would "Erlang" be the "next big thing" in trading platform?

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• Firefox - Stashing Requests for Deliberate Resubmission to Django App

  - by Koobz

  I've got an object creation form that's somewhat complicated, it contains a few dynamic formsets etc. I'm trying to ensure that these dynamic formsets are intact if the form runs into an error and returns you to the given page. In cases like this, the refresh button actually works well in re-submitting the request, but I can't rely on it. I'm doing some ad-hoc testing in the browser that I'd like to make a bit more repeatable, and eventually move to a unit test using Django's mock client. Is there an extension, or some convenient method to stash requests for later re-submission. The goal: I resubmit the request, tweak the code, eyeball the results, rinse and repeat. Three days later I can come back to it an try it again to make sure it's still working. The closest thing I can think of in this case is simply recording my activity with Selenium ide and replaying it.

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• FLOT: How to make different colored points in same data series, connected by a line?

  - by Mega Matt

  Hi all, I think I may have stumbled onto a limitation of Flot, but I'm not sure. I'm trying to represent a single data series over time. The items' "State" is represented on the Y-Axis (there are 5 of them), and time is on the X-Axis (items can change states over time). I want the graph to have points and lines connecting those points for each data series. In addition to tracking an item's State over time, I'd also like to represent it's "Status" at any of the particular points. This I would like to do by changing the color of the points. What this means is a single item may have different Statuses at different times, meaning for a single data series I need a line that connects different points (dots) of different colors. The only thing I've seen so far is the ability to specify the color for all points in a given dataseries. Does anyone know if there's a way to specify colors individually? Thanks.

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• JavaScript - question regarding data structure

  - by orokusaki

  I'm trying to calculate somebody's bowel health based on a points system. I can edit the data structure, or logic in any way. I'm just trying to write a function and data structure to handle this ability. Pseudo calculator function: // Bowel health calculator var points = 0; If age is from 30 and 34: points += 1 If age is from 35 and 40: points += 2 If daily BMs is from 1 and 3: points -= 1 If daily BMs is from 4 and 6: points -= 2 return points; Pseudo data structure: var points_map = { age: { '30-34': 1, '35-40': 2 }, dbm: { '1-3': -1, '4-6': -2 } }; I have a full spreadsheet of data like this, and I am trying to write a DRY version of code and a DRY version of this data (ie, probably not a string for the '30-34', etc) in order to handle this sort of thing without a humongous number of switch statements.

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• how to get the image position from pdf file in objective c?

  - by Sarah

  Hello, I am doing something like extracting the pdf text in a string format so as to annotate the text and in the same process i need to find the image positions covered in the same pdf file so as to maintain its position. Now the problem is that i am not getting the exact positions of the images in the same pdf file. Is it possible to use some thing like OCR,if yes,how to use that? Can anybody help me in finding the exact position of the image in the pdf file? I need to implement some pdf reader kind of application for ipad,that's just for the knowledge. Thank you.

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• Treating a fat webservice in .net 3.5 c#

  - by Chris M

  I'm dealing with an obese 3rd party webservice that returns about 3mb of data for a simple search results, about 50% of the data in that response is junk. Would it make sense then to remap this data to my own result object and ditch the response so I'm storing 1-2 mb in memory for filtering and sorting rather than using the web-responses own object and using 2-4 or am I missing a point? So far I've been accessing the webservice from a separate project and using a new class to provide the interaction and to handle the persistence so my project looks like this |- Web (mvc2 proj) |- DAL (database/storage fluent-nhibernate) |- SVCGateway (interaction layer + webservice related models) |- Services -------------- |- Tests |- Specs I'm trying to make the application behave fast and I also need to store the result set temporarily in case a customer goes to view the product and wants to go back to the results. (Service returns only 500 of possible 14K results). So basically I'm looking for confirmation that I'm doing the right thing in pushing the results into my own objects or if I'm breaking some rule or even if there's a better way of handling it. Thanks

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• Is it possible to run C++ binded with SDL+OpenGL code on a web browser?

  - by unknownthreat

  My client wants her website to have an application that renders 3D (light 3D stuff, we are drawing only flat squares in 3D world) but web programming is not my thing. So I am looking for something that can run a C++ program from a web browser. But I think, if this is the case, then the client side must download the program first, and that's not what I want. The client should only be able to use this application only on the website. I came across Google Native Client, which claims that it can run x86 native code in web applications. I haven't decide whether it is worth it or not and I don't know whether this is what I want or not, so I decided to ask experienced people about this. If I want to have something like this, is what I said above possible? Or I completely need other languages like Flex because it does not worth the trouble? Or is Google Native Client suitable for doing something like this?

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• Detecting and reloading updated application parameters at runtime

  - by VeeKayBee

  I am working on an ASP.NET web application(using .NET 4.5 and C#).The application deals with lot of units (for measuring like KG,Litre,KM etc). So based on the selected unit we have to implement some allowed range.This values can be configured without much effort. We identified two solutions for this Keeping a configuration xml. Suppose the values in xml, does it requires an iisreset or any other thing which can take the site down for some time, if we are changing the xml file to change some validation. Keeping in Db, then use SQL dependency caching. So an update to DB can reflect the caching values.SO i believe if we change the values, it will update the cache. How much complex is this and does it effect the performance ? It will be great helpful, if we have some other method to achieve this. Thanks in advance.

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• fancybox encoding issue

  - by Noam Smadja

  i am using fancybox.net for my light boxes. it works great with images. but when i use iframe option i am having problems with encoding. i use hebrew and english and russian on my website. when i use UTF-8 on the iframe page i get squares instead of hebrew letters. when i change to iso-8859-8 i have hebrew but inverted, and russian goes: ??????????? any idea? my website is UTF-8 and every thing works great.. except fancybox :(

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• How to receive HTTP messages using Socket

  - by Poma

  I'm using Socket class for my web client. I can't use HttpWebRequest since it doesn't support socks proxies. So I have to parse headers and handle chunked encoding by myself. The most difficult thing is to determine length of content so I have to read it byte-by-byte. First I have to use ReadByte() to find last header ("\r\n\r\n" combination), then read chunk's size etc. But this approach has very poor performance. Can you suggest better solution? Maybe some open source examples or libraries that handle http request through sockets (not very big and complicated though, I'm a noob)

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• Matlab Question - Principal Component Analysis

  - by Jack

  I have a set of 100 observations where each observation has 45 characteristics. And each one of those observations have a label attached which I want to predict based on those 45 characteristics. So it's an input matrix with the dimension 45 x 100 and a target matrix with the dimension 1 x 100. The thing is that I want to know how many of those 45 characteristics are relevant in my set of data, basically the principal component analysis, and I understand that I can do this with Matlab function processpca. Could you please tell me how can I do this? Suppose that the input matrix is x with 45 rows and 100 columns and y is a vector with 100 elements.

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• Shell Screen -X Stuff problems

  - by user1621988

  OPTIONS="java -Xms1024M -Xmx1024M -jar craftbukkit.jar" PROCESS=server01 screen -dmS $PROCESS $OPTIONS nogui # Starting the application screen -x $PROCESS -X stuff `printf "stop\r"` # Closing the application screen -x $PROCESS # Attaching to the terminal of the application Starting the application work fine, however I got problems with stuff 'printf "stop/r"' It seems not to work when I just start up, wait some time and then try to Stop it with command above. But the strange thing is, that IF I did screen -x $PROCESS and detach (ctrl-A & ctrl-D) and then I use the Stop command it does work. So is there a way around to stuff printf without -screen -x the $PROCESS? Thank You in Advance

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• A simple string array Iteration in C# .NET doesn't work

  - by met.lord

  This is a simple code that should return true or false after comparing each element in a String array with a Session Variable. The thing is that even when the string array named 'plans' gets the right attributes, inside the foreach it keeps iterating only over the first element, so if the Session Variable matches other element different than the first one in the array it never returns true... You could say the problem is right there in the foreach cicle, but I cant see it... I've done this like a hundred times and I can't understand what am I doing wrong... Thank you protected bool ValidatePlans() { bool authorized = false; if (RequiredPlans.Length > 0) { string[] plans = RequiredPlans.Split(','); foreach (string plan in plans) { if (MySessionInfo.Plan == plan) authorized = true; } } return authorized; }

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• What is the modern equivalent (C++) style for the older (C-like) fscanf method?

  - by Chris_45

  What is the best option if I want to "upgrade" old C-code to newer C++ when reading a file with a semicolon delimiter: /* reading in from file C-like: */ fscanf(tFile, "%d", &mypost.nr); /*delimiter ; */ fscanf(tFile, " ;%[^;];", mypost.aftername);/* delimiter ; */ fscanf(tFile, " %[^;]", mypost.forename); /*delimiter ; */ fscanf(tFile, " ;%[^;];", mypost.dept);/*delimiter ; */ fscanf(tFile, " %[^;];", mypost.position);/* delimiter ; */ fscanf(tFile, "%d", &mypost.nr2); //eqivalent best C++ method achieving the same thing?

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• Search Result displaying-like google php

  - by Ramesh

  i have an paragraph and user will search inside that and if the search term has 3 matches inside but all are in 3 different places ex World War II, or the Second World War[1] (often abbreviated WWII or WW2), was a global military conflict lasting from 1939 to 1945 which involved most of the world's nations, including all of the great powers, organised into two opposing military alliances: the Allies and the Axis. It was the most widespread war in history, with more than 100 million military personnel mobilised. In a state of "total war," the major participants placed their entire economic, industrial, and scientific capabilities at the service of the war effort, erasing the distinction between civilian and military resources. Marked by significant action against civilians, including the Holocaust and the only use of nuclear weapons in warfare, it was the deadliest conflict in human history,[2] with over seventy million casualties. i have to search "war" so that it should display like World War II, or the Second World War[1].....In a state of "totalwar,".... some thing like this ///

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• Is there a convention for organizing the include/exports in a large C++ project ?

  - by BlueTrin

  Hello, In a large C++ solution, is there a best/standard way to separate the include files necessary to build an intermediary DLL and the include files which will be used by the DLL clients ? We have grouped all the include files in a folder called Interface (for DLL interface), but there the customers have to either include the Interface folder as a default include folder or type the full name as: #include "ProjectName/Interface/myinterface.h" Wouldn't it be better to create a separate folder called exports where I would create a folder called ProjectName and put the include files there ? So that the customers would be typing: #include "ProjectName/myinterface.h" If I do the thing right above, then should I keep the files within the solution and produce a post build event (I use Visual Studio 2k5) to copy the files into the "export" folder (/ProjectName/) ? Or is it better to just include directly the files from this folder within my project (this is more direct and has less chances to cause maintenance issues ? I am more looking for advice than for a definite solution. Thank you for reading this ! Anthony

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