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• jQuery accordion: is there a way to make the scrollbar fit the displayed panel?

  - by Cheeso

  I have a jQuery accordion (jQuery 1.3.2, jQuery UI 1.7.2), with between 3-12 content panels. Some of the content panels are large, and have lots of content. some are small, and have only a little. When I expand any of them, the scrollbar on the div containing the accordion (it's got css overflow: auto;) is set as if the largest of the panels is expanded. Let's say I have 3 panels. One has 3 lines of content, one has 20 lines, and one has 1000 lines. If I expand either of the first two, the scrollbar indicator gets very very tiny, and moves all the way to the top, even though there is nothing worth scrolling. Is there a way to fix this? It seems like autoHeight:false ought to do it, but that doesn't work for me.

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• sending data to the server via port 5555 C#

  - by numerical25

  I am wanting to send some data to a server from a client application to the server via port 5555. I don't have a window's server. My question is if I purchase a .Net Framework hosting service. Would I be able to connect the client application to this server. and could I do it by sending a Post. I am new to this, so excuse me if it doesn't entire make sense. but I am looking for just some little direction. If someone could explain what port 5555 is used for that would be great.

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• Sorting results by a char(1) column

  - by Brandon

  I have a stored procedure which basically does something like select top 1 expiryDate, flag, (bunch of other columns) from someTable (bunch of joins) order by expiryDate desc So this will grab the record that expires last. This works for most cases, except some records have a flag that are just a char(1). Most of the time it's just Y or N. So it'll return something like 2010-12-31 N 2010-10-05 Y 2010-08-05 N 2010-03-01 F 2010-01-31 N This works, most of the time, but is there any way to order it by the Flag column as well? So I'd want to group the results by Y, then N, and F and any other flags can go last in any order. I thought this would just be an order by, but since the flags are not weighted by the alphabetic value, I'm a little stumped. (Note: These are not my tables, I don't know if using the characters like this was a good idea or not, but it's not something I can change).

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• Counting values in data frame subject to conditions

  - by unixsnob

  I have been searching around and I cannot figure out how to sumarise the data I have in my data frame (subject to some ranges). I know that it can be done when applying some combination of daaply/taaply or table but I haven't been able to get the exact result I was expecting. Basically I want to turn this: part_no val1 val2 val3 2 1 2 3 45.3 2 1 3 4 -12.3 3 1 3 4 99.3 3 1 5 2 -3.2 3 1 4 3 -55.3 Into this: part_no val3_between0_50 val3_bw50_100 val3_bw-50_0 val3_bw-100_-50 2 1 0 0 1 0 3 0 1 0 1 1 This is dummy data, I got a lot more rows, but the idea is the same. I just want to count the number of values for a participant that meet certain condition. If anyone could explain it sort of step by step, I would really appreciate it. I saw lots of different little posts around, but none do exactly this and my attempts only got me half way there. Like using table, etc. Thanks!

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• Database that accesses a website.?

  - by Alec

  Hi Guys What application should I use that is able to automatically access a website to gather information? Basically I have a database that completes calculations for me; however I have to manually gather the parameters from a website and input these into my database. What I would like is have an application that will take my input say the name of a product, access the website, add this name into a search box on a website, complete the search and then extract the desired information from the web page returning the results to my application to complete the calculation thus presenting me with the result. This is a little out of my depth but I’m willing to learn no matter how complicated the software. Cheers for your help.

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• memory access violation error - 0xC0000005

  - by nobody

  I got memory access violation error sometimes.... but I don't know where the error comes from... So I reviewed the code and I found some strange code... delete m_p1; A *a = new A(); a->b = *c; m_p1 = a; --> strange code. I think it's a little strange line.... can i use the m_p1 after delete the m_p1? It can make some memory access error??

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• Background image Windows Phone 7

  - by Xavier

  I have a little question, I want to change the background of my application with C#. I tried this code : var app = Application.Current as App; var imageBrush = new ImageBrush { ImageSource = new BitmapImage(new Uri(imageName, UriKind.Relative)) }; app.RootFrame.Background = imageBrush; But it doesn't work, the background is dark.. I tried to do : app.RootFrame.Background = new SolidColorBrush(Colors.Blue); And it works well. So I don't understand where is the problem, my image is 480*800 px and I set Build Action to Content and Copy to Output Directory to Copy if newer . Thanks for all

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• Gradient boosting predictions in low-latency production environments?

  - by lockedoff

  Can anyone recommend a strategy for making predictions using a gradient boosting model in the <10-15ms range (the faster the better)? I have been using R's gbm package, but the first prediction takes ~50ms (subsequent vectorized predictions average to 1ms, so there appears to be overhead, perhaps in the call to the C++ library). As a guideline, there will be ~10-50 inputs and ~50-500 trees. The task is classification and I need access to predicted probabilities. I know there are a lot of libraries out there, but I've had little luck finding information even on rough prediction times for them. The training will happen offline, so only predictions need to be fast -- also, predictions may come from a piece of code / library that is completely separate from whatever does the training (as long as there is a common format for representing the trees).

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• How do I create this array? (PHP)

  - by jpjp

  I am a little stuck on how to create this array. My data: category_id | category_name 1 bikes 2 cars 3 books 4 computers Array: $category=array(); $query = "SELECT * FROM categories ORDER BY name ASC"; $result = $db->query($query); $category=array('category_id'=>$category_id, 'category_name'=>$category_name); while ($row = $result->fetch_array()){ $category_id=$row['category_id']; $category_name=$row['name']; } I want to create an array so that I can echo the data in a radio list like... <input type='radio' value='<?PHP echo $category['category_id']; ?>' name='category[]'><?PHP echo $category['category_name']; ?> o bikes o cars o books o computers The problem is that the array only consists of one pair (1, bikes) and not all the data. How can I make an array with all the data? Thanks!

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• Is object clearing/array deallocation really necessary in VB6/VBA (Pros/Cons?)

  - by Oorang

  Hello, A lot of what I have learned about VB I learned from using Static Code Analysis (Particularly Aivosto's Project Analyzer). And one one of things it checks for is whether or not you cleared all objects and arrays. I used to just do this blindly because PA said so. But now that I know a little bit more about the way VB releases resources, it seems to me that these things should be happening automatically. Is this a legacy feature from pre VB6, or is there a reason why you should explicitly set objects back to nothing and use Erase on arrays?

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• question about Littles Law

  - by davit-datuashvili

  I know that Little's Law states (paraphrased): the average number of things in a system is the product of the average rate at which things leave the system and the average time each one spends in the system, or: n=x*(r+z); x-throughput r-response time z-think time r+z - average response time now i have question about a problem from programming pearls: Suppose that system makes 100 disk accesses to process a transaction (although some systems require fewer, some systems will require several hundred disk access per transaction). How many transactions per hour per disk can the system handle? please help

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• Which repository access method is used to create a new “working copy”, file:/// or svn:// in same m

  - by Banani

  Hi!, I have setup svnserve server (1.6.5,plain, without apache) on Fedora. The users, who has accounts in same machine want to checkout a working copy. I have read svnbook and other sites and found file:/// access method is being used to checkout as svn checkout file:///var/svn/repos/myproject/trunk myproject ( ref:svnbook) I am little confused! As svnbook also says "Clients contact an svnserve server by using URLs that begin with the svn://" So, my question is, which method user will use to create their working copy? Thankyou. Banani

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• SQL Server 2005 Reporting Services: How to count rows that are not null? Any hints for calculating t

  - by user329266

  Is there a way to count only records that are not null; similar to "COUNTA" in Excel? I would think this would be very simple process, but nothing I have tried has worked. If necessary, I can try to work this into my SQL query, but the query is already incredibly complicated. Also, I've found very little documentation for how to calculate report totals, and how to total from groups. Would anyone have any recommendations on what to use as a reference?

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• The data structure of libev watchers

  - by changchang

  Libev uses three data structures to storage different watchers. Heap: for watchers that sorted by time, such as ev_timer and ev_periodic. Linked list: such as ev_io, ev_signal, ev_child and etc. Array: such as ev_prepare, ev_check, ev_async and etc. There is no doubt about that uses heap to store timer watcher. But what is the criteria of selecting linked list and array? The data structure that stores ev_io watchers seems a little complex. It first is an array that with fd as its index and the element in the array is a linked list of ev_io watcher. It is more convenient to allocate space for array if use linked list as element. Is it the reason? Or just because of the insert or remove operation of ev_io is more frequently and the ev_prepare seems more stable? Or any other reasons?

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• NSString inheritance

  - by Stef

  Hi, I'm doing an useless thing for my first step in Obj-C @interface String : NSString { int m_isnull; } - (id) init; - (int) isNull; @end @implementation String - (id) init { self = [super init]; m_isnull=1; return self; } - (int) isNull { return m_isnull; } @end test : String *a; a=@"ok"; Works fine, but just 2 little questions 1) When I'm compiling I have this warning warning: incompatible Objective-C types assigning 'struct NSString *', expected 'struct String *' I don't know how to avoid it !? 2) a=@"ok" is a fastest way to initialize a string, but when I'm debugging, I don't stop by at my init constructor why ?

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• Parsing timestamps - do it in MySQL or in PHP?

  - by Andrew Heath

  Let's say you've got a table with a timestamp column, and you want to parse that column into two arrays - $date and $time. Do you, personally: a) query like this DATE(timestamp), TIME(timestamp) , or perhaps even going as far as HOUR(timestamp), MINUTE(timestamp b) grab the timestamp column and parse it out as needed with a loop in PHP I feel like (a) is easier... but I know that I don't know anything. And it feels a little naughty to make my query hit the same column 2 or 3 times for output... Is there a best-practice for this?

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• What is the point declaring variables at the end of class?

  - by serhio

  I saw multiple examples in MSDN that uses to declare the internal fields at the end of the class. What is the point? I find this a little embarrassing, because each time Visual Studio adds a method it adds it to the end of the class, so there is need every time to move it... class A { public A(){} // Methods, Properties, etc ... private string name; } class A { private string name; public A(){} // Methods, Properties, etc ... }

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• How do you pass an enum by reference?

  - by Darkenor

  I have an enum with four keys I'm taking as input for an interface program and I'd like to pass the enum by value to the interface function, which has become quite long. The enum is like this: enum MYKEYS { W, S, O, L }; There's also a boolean array that I have to pass by reference, which is also a little tricky. bool key[4] = { false, false, false, false }; Does anyone know the proper syntax to pass both of these as reference in a function, similar to: function(int & anintreference);

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• Distribution of many small classes

  - by Moo-Juice

  Hi All, I have a base class called EventArgs. Derived from this are many, many specializations that represent event arguments for a particular kind of event. Consumers of these events may need some, many, or very few of these argument classes. My question is, would you provide a header file for each type (e.g, 50+ header files for the varying ones), would you try to group them in to families and have a 'common' header file for those, or would you throw caution to the window and throw them in to one easy-of-use header file that can just be included? Another approach might be to have 50 header files, and then I could introduce some "family" header files that included particular ones. Not sure about the naming conventions for these kinds of things so it is obvious what is where. I know there may not be a hard and fast rule, but wondering what other developers have done when they find themselves writing many little classes. Thanks in advance.

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• Any suggestions in a way to parse headers and links from blog pages using C#?

  - by user344841

  I'm currently self-studying C# in my free time and thought of a "little" project to get me going (and one that I or others will actually find useful). It ended up being more complicated than I thought. Or maybe I'm just thinking it is? Anyway, this project would parse the homepages of the blogs (most of them are Wordpress blogs) I frequent to, take the post headers and the links within those posts and notify me via a balloon tip in the task bar. I can handle the rest except for the way of getting C# to parse the HTML pages for the items I need. C# doesn't seem to have no built-in way to do this. Could anyone point me to the right direction? I just looked into the HTML Agility Pack but I'm still trying to figure it out. Some example code will help much too. Thanks in advance!

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• Error while trying to reverse a char array

  - by mpminnich

  Hi, I'm trying to get better at C++ (I know a little). I'm working on character arrays. I found an exercise where the objective is to reverse a character array (after I convert it from an integer). I'm getting the following error (using VS2005): Run-Time Check Failure #2 - Stack around the variable 'revBuffer' was corrupted. When I step through the code, I notice the following: revBuffer = 0x0012fe40 "100899ÌÌÌÌÌÌÌÌÌÌ998001" The relevant code is below. char buffer[5]; char revBuffer[5]; int i; int j=5; long number = 998001; itoa(number, buffer, 10); for(i=0; i<strlen(buffer);i++) { revBuffer[j] = buffer[i]; j--; } Any help would be great. TIA!

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• Next/Previous click jQuery UI

  - by madjester

  I am trying to add next/previous buttons on a button click using the jQuery UI Slider. I found this code... $("#down").click(function() { var s = $("#slider"), val = s.slider("value"), step = s.slider("option", "step"); s.slider("value", val - step); }); $("#up").click(function() { var s = $("#slider"), val = s.slider("value"), step = s.slider("option", "step"); s.slider("value", val + step); }); Here: http://osdir.com/ml/jquery-ui/2009-03/msg00617.html However this only changes the value of the Slider, moving the slider handle, but it doesn't actually slide the element. Little help?

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• How to programatically set a permanent environment variable in Linux?

  - by Richard

  I am writing a little install script for some software. All it does is unpack a target tar, and then i want to permanently set some environment variables - principally the location of the unpacked libs and updating $PATH. Do I need to programmatically edit the .bashrc file, adding the appropriate entries to the end for example, or is there another way? What's standard practice? Edit: The package includes a number of run scripts (20+) that all use these named environment variables, so I need to set them somehow (the variable names have been chosen such that a collision is extremely unlikely)

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• How to Best Setup a Website Project in VS.NET

  - by Jason

  I have very little experience with setting up a website from scratch in a .NET environment. As I am doing this now, I am wondering - what's the best way to go? Is it better to create a new Website Project, and include the various backend services and database code as part of that project, or is it better to split out the various aspects of the project? If the second, how would I go about doing that? I want to ensure that this project is easy to manage in the future (in terms of source control, deployment, etc), so I want to make sure I'm starting off on the right foot. I was unable to find any tutorials online, but if you have any, I would appreciate those as well. Thanks!

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• best way to make this app/website combo?

  - by mharris7190

  I have an idea for an app that lets different bars upload drink specials via a webpage to that app. They would log in the website, and the website would prompt them with a box to input the drink specials. When they are done, the app pulls the information and creates a card for that bar. The app would launch into a week view where you select the day you want to see specials for. After the day is selected, it brings you to a scroll view with different bars' cards laid out vertically, each taking up the width of the screen, allowing the user to scroll through the deals for that day of the week. How should I go about doing this if I have very little programming experience? Is there any convention in doing an app like this? Can anyone suggest any reading material that would help? Thank you!

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