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[ { "role": "user", "content": "I would like to know more about caching vs report snapshots in SSRS." }, { "role": "assistant", "content": "ure thing! Basically, caching is a way to store a report in memory so that it can be retrieved more quickly when it is requested again. Report snapshots, on t...
[ { "role": "user", "content": "I'm having trouble with my WPF DataGrid not updating on PropertyChanged. Do you have any advice for fixing this issue?" }, { "role": "assistant", "content": "es, are you using an ObservableCollection as the data source for the DataGrid?" }, { "role": "user",...
[ { "role": "user", "content": "I need some guidance on properly authenticating users with AngularJS and Flask. Can you help me out there?" }, { "role": "assistant", "content": "ure, I can definitely assist you with that. What kind of authentication method are you planning to use?" }, { "r...
[ { "role": "user", "content": "I need some help with dynamically adding directives in ng-repeat." }, { "role": "assistant", "content": "ure, what kind of directives are you trying to add?" }, { "role": "user", "content": "I want to add a conditional directive based on a certain proper...
[ { "role": "user", "content": "I'm having trouble with a Spring Boot application. It's giving me an error message that says \"Access to DialectResolutionInfo cannot be null when 'hibernate.dialect' not set using spring-boot.\" Do you know what that means?" }, { "role": "assistant", "content": "ha...
[ { "role": "user", "content": "I wanted to know how to add bookmarks in Sublime Text 2. Can you guide me through it?" }, { "role": "assistant", "content": "ure, to add a bookmark in Sublime Text 2, you can use the keyboard shortcut \"Ctrl + F2\" or go to \"Goto -> Bookmarks -> Toggle Bookmark\" i...
[ { "role": "user", "content": "I'd like to learn more about the UIDocumentInteractionController() in Swift." }, { "role": "assistant", "content": "ure thing! UIDocumentInteractionController is a class in Swift that allows users to interact with files and perform a variety of actions, such as shar...
[ { "role": "user", "content": "I need to create a copy of an UIImageView instance. How do I do that?" }, { "role": "assistant", "content": "o create a copy of an UIImageView instance, you can use the \"copy\" method. For example, you could write \"let copyImageView = originalImageView.copy()\"." ...
[ { "role": "user", "content": "I'm trying to improve the user experience on my website. I want to implement a feature where the input field automatically tabs over to the next field once the user has entered four characters. Do you know how I could do that?" }, { "role": "assistant", "content": "...
[ { "role": "user", "content": "I have a question about my Android AChartEngine. It's working fine, but I want it to have a more polished look. Do you have any suggestions for making it look better?" }, { "role": "assistant", "content": "bsolutely! Have you considered customizing the appearance of...
[ { "role": "user", "content": "I'm having trouble finding the controller in my Spring web MVC project. Can you help me with that?" }, { "role": "assistant", "content": "ure! Have you checked if the controller is properly annotated with @Controller?" }, { "role": "user", "content": "Ye...
[ { "role": "user", "content": "I am having an issue with mysql. It keeps showing this error message: \"The server quit without updating PID file\". Do you know what might be causing this?" }, { "role": "assistant", "content": "t could be due to multiple factors. One possible reason could be that ...
[ { "role": "user", "content": "I'm having trouble downloading a docx file using C#. Can you assist with that?" }, { "role": "assistant", "content": "ertainly! What's the issue you're encountering?" }, { "role": "user", "content": "The file seems to download but when I try to open it, ...
[ { "role": "user", "content": "I was wondering if you could give me some advice on assigning values inside a LINQ Select statement." }, { "role": "assistant", "content": "ure, I'd be happy to help. What do you want to assign values to?" }, { "role": "user", "content": "Well, let's say...
[ { "role": "user", "content": "I was wondering if you could assist me with receiving text messages to a specific port?" }, { "role": "assistant", "content": "f course, I can assist you with that. What type of device are you using to receive the text messages?" }, { "role": "user", "co...
[ { "role": "user", "content": "I'm having trouble getting args from a SP.UI.ModalDialog. Can you help me with that?" }, { "role": "assistant", "content": "ure! What language are you using to create the modal dialog?" }, { "role": "user", "content": "I'm using JavaScript." }, { ...
[ { "role": "user", "content": "I'm trying to create a JavaFX button with a transparent background. Do you know how to do that?" }, { "role": "assistant", "content": "es, I can help you with that. To create a button with a transparent background in JavaFX, you need to set the background color of t...
[ { "role": "user", "content": "I'm having a problem with my code. It says 'Type 'AnyObject' does not conform to protocol 'SequenceType''. Can you help me understand what that means?" }, { "role": "assistant", "content": "f course. That error message usually indicates that there's a type mismatch ...
[ { "role": "user", "content": "Can you teach me how to write a division equation in LaTeX?" }, { "role": "assistant", "content": "ure! A simple way to write a division equation is using the \\frac command. For example, \\frac{numerator}{denominator}." }, { "role": "user", "content": "...
[ { "role": "user", "content": "I'm trying to reverse the bits of a Python integer. How would I do that?" }, { "role": "assistant", "content": "ou can use the following code to reverse the bits of a Python integer:" }, { "role": "user", "content": "Can you explain how this code works?"...
[ { "role": "user", "content": "I'm having trouble with pip install in Python, it says the module is not found. How can I link Python to pip location?" }, { "role": "assistant", "content": "o link Python to pip location, you can try running 'python -m ensurepip --default-pip' in the command prompt...
[ { "role": "user", "content": "I'm trying to figure out how to access the GPIO on my OrangePI PC Plus with Armbian 3.4.113 or newer. Can you help me with that?" }, { "role": "assistant", "content": "bsolutely! The GPIO pins on the OrangePI PC Plus are located on the 40-pin header, with pins 1-26 ...
[ { "role": "user", "content": "I was wondering if you could tell me what the folder name is for the jar files in Android. Is it LIB or LIBS?" }, { "role": "assistant", "content": "he folder name for jar files in Android is usually \"libs\" with a lowercase \"L.\" Is there anything else you would ...
[ { "role": "user", "content": "I was wondering if you could help me with something related to animation alpha change." }, { "role": "assistant", "content": "f course! What would you like to know?" }, { "role": "user", "content": "Can you explain to me what animation alpha change is?" ...
[ { "role": "user", "content": "Can you teach me how to set paint.setColor(R.color.white)?" }, { "role": "assistant", "content": "ure, to set the color of a paint object in Android to white, you would use the following code:" }, { "role": "user", "content": "What does the ContextCompat...
[ { "role": "user", "content": "I have a question about splitting a string with multiple white spaces using perl. Can you assist me with that?" }, { "role": "assistant", "content": "f course! What exactly do you want to do?" }, { "role": "user", "content": "I have a string \"apple ...
[ { "role": "user", "content": "I was wondering if you could help me understand the command 'LoadModule weblogic_module */lib/mod_wl_24.so'." }, { "role": "assistant", "content": "ure, I'd be happy to help. That command loads the WebLogic module, specifically the mod_wl_24.so shared object file, w...
[ { "role": "user", "content": "I have a question about AngularJS. Can it detect if a device is a desktop or a mobile device?" }, { "role": "assistant", "content": "es, AngularJS has a built-in service called \"$window\" that can be used to determine if the device is a desktop or a mobile device."...
[ { "role": "user", "content": "I have a question about creating a vertical refline in Matlab." }, { "role": "assistant", "content": "ure. What do you want to know?" }, { "role": "user", "content": "How do I create a vertical refline at a specific x-value in a plot?" }, { "role...
[ { "role": "user", "content": "I am having some trouble getting the full path of a file upload control in asp.net. Can you assist me with that?" }, { "role": "assistant", "content": "ure. Have you tried using the Server.MapPath method in ASP.NET to get the full file path?" }, { "role": "u...
[ { "role": "user", "content": "I'm trying to use an inline conditional in a string[] array in C#. Can you show me an example of how to do that?" }, { "role": "assistant", "content": "ure! Here's an example:" }, { "role": "user", "content": "That's helpful, thanks. Can you explain how ...
[ { "role": "user", "content": "I want to know why precision is decreasing when I multiply a number and sum it to another number." }, { "role": "assistant", "content": "hat's an interesting question. Can you provide me with an example?" }, { "role": "user", "content": "Sure. When I mul...
[ { "role": "user", "content": "Can you explain to me how to convert RGB to XYZ colors?" }, { "role": "assistant", "content": "ure! RGB to XYZ conversion is a mathematical formula used to convert colors between the RGB and XYZ color spaces. Would you like me to explain the steps involved in the co...
[ { "role": "user", "content": "I want to add annotated classes in Hibernate by adding all classes in a certain package. How can I do that in Java?" }, { "role": "assistant", "content": "ou can use the annotation @Entity and @Table in your Java class to specify it as an annotated class for Hiberna...
[ { "role": "user", "content": "I was wondering if you could help me with maintaining the same session id across multiple web applications in ASP.NET?" }, { "role": "assistant", "content": "bsolutely! First off, have you tried using cookies to maintain the session id?" }, { "role": "user",...
[ { "role": "user", "content": "Can you tell me how to remove the first item of an array like popping from a stack?" }, { "role": "assistant", "content": "es, you can use the shift() method in JavaScript to remove the first item of an array like popping from a stack." }, { "role": "user", ...
[ { "role": "user", "content": "I'm really trying to like CodeContracts in C#. Have you worked with them before?" }, { "role": "assistant", "content": "es, I have some experience with CodeContracts. What would you like to know?" }, { "role": "user", "content": "Well, I find it a bit co...
[ { "role": "user", "content": "I have a question regarding the Oracle to_date function with format. It doesn't seem to show the time. Can you explain why?" }, { "role": "assistant", "content": "es, the to_date function only converts a string to a date value in Oracle. It does not include a time c...
[ { "role": "user", "content": "I need to download an existing file in PHP. Can you guide me on how to do that?" }, { "role": "assistant", "content": "ure, you can use the PHP's readfile() function to download the existing file. Do you have any specific file in mind?" }, { "role": "user", ...
[ { "role": "user", "content": "Can you tell me what's the pythonic way to use getters and setters?" }, { "role": "assistant", "content": "n Python, getters and setters are commonly implemented using property decorators. This allows you to access or modify the value of a private or protected attri...
[ { "role": "user", "content": "I'm having trouble with JQuery Animate. It doesn't seem to be working for me." }, { "role": "assistant", "content": "hat specifically is the issue you're experiencing with JQuery Animate?" }, { "role": "user", "content": "I'm trying to animate an element...
[ { "role": "user", "content": "I'm having trouble with my nginx docker container. It keeps giving me a \"502 bad gateway\" response. Do you know how I can fix this?" }, { "role": "assistant", "content": "hat error usually means that nginx is unable to connect to the upstream server. Have you chec...
[ { "role": "user", "content": "I'm looking for information on using react router to push a link to a new tab when working with history." }, { "role": "assistant", "content": "ure, I'd be happy to help! Are you familiar with react router and history in general?" }, { "role": "user", "c...
[ { "role": "user", "content": "I'm trying to compress some images programmatically using ImageMagick/Mogrify. Do you have any experience with that?" }, { "role": "assistant", "content": "es, I'm familiar with ImageMagick/Mogrify. What kind of compression are you looking to achieve?" }, { ...
[ { "role": "user", "content": "I am wondering if you can help me with using C++ with Objective-C in XCode." }, { "role": "assistant", "content": "ure, I would be happy to help you with that. What do you need help with specifically?" }, { "role": "user", "content": "I'm not sure where ...
[ { "role": "user", "content": "I need some assistance with adding an image as a parameter from my project's classpath in Jasper Reports. Can you guide me through the process?" }, { "role": "assistant", "content": "ure, I'd be happy to assist you with that. Can you tell me which programming langua...
[ { "role": "user", "content": "I'm trying to figure out how to get the Tx power of a BLE beacon in Android. Do you know how that can be done?" }, { "role": "assistant", "content": "es, it can be done using the android.bluetooth.le.ScanResult object. You can access the Tx power of a beacon from th...
[ { "role": "user", "content": "I have a question about control templates. How do I access an element of a control template from within code-behind?" }, { "role": "assistant", "content": "o access an element of a control template from within code-behind, you can use the FindName method on the cont...
[ { "role": "user", "content": "I would like to know how to set up Woocommerce to skip checkout for free products." }, { "role": "assistant", "content": "ure, to skip checkout for free products in Woocommerce, you can use a plugin called 'Easy Checkout Field Editor for WooCommerce'. Have you heard...
[ { "role": "user", "content": "I'm having trouble with @ngrx/store and Angular 4.0. Whenever I try to use it, I get an error message that says 'No provider for Store!'" }, { "role": "assistant", "content": "see. That error usually means that Angular can't find the @ngrx/store module. Have you mad...
[ { "role": "user", "content": "I have a question about DropDownList control in ASP.NET. When does it retain the value from postback at the SelectedIndexChanged Event Handler?" }, { "role": "assistant", "content": "he DropDownList control retains the value from postback at the SelectedIndexChanged...
[ { "role": "user", "content": "Can you help me with writing search queries in Hibernate?" }, { "role": "assistant", "content": "ure, what do you want to search for?" }, { "role": "user", "content": "I want to search for all the records in the database where the name contains 'John'." ...
[ { "role": "user", "content": "I'm having an issue on my terminal. It says '/bin/sh: 1: poetry: not found'. Do you know what this means?" }, { "role": "assistant", "content": "t sounds like an error message related to the poetry package. Have you installed it on your system?" }, { "role":...
[ { "role": "user", "content": "I'm trying to learn Vim, and I was wondering if there's a command for editing a copy of a file rather than the original." }, { "role": "assistant", "content": "es, there is! The command you're looking for is \":edit filename<enter>\", which will make a copy of the o...
[ { "role": "user", "content": "I need some help with birth data source parameters from a property file." }, { "role": "assistant", "content": "kay, what specifically do you need help with?" }, { "role": "user", "content": "Can you explain to me what a property file is and how it relat...
[ { "role": "user", "content": "I have a question about virtual hosts in Docker containers. Can you assist me with that?" }, { "role": "assistant", "content": "bsolutely! What would you like to know?" }, { "role": "user", "content": "" } ]
[ { "role": "user", "content": "Can you explain what it means for two binary trees to be isomorphic?" }, { "role": "assistant", "content": "ure! Binary trees are said to be isomorphic if they have the same structure, i.e. they have the same number of nodes and the nodes are connected in the same w...
[ { "role": "user", "content": "I'm actually curious about creating objects in PHP without using a class. Is that possible?" }, { "role": "assistant", "content": "es, it is possible! You can use the built-in stdClass to create objects without a class." }, { "role": "user", "content": "...
[ { "role": "user", "content": "I have a question about web design. How can I center multiple floating divs next to each other?" }, { "role": "assistant", "content": "ou can achieve this by giving a container element a fixed width and setting its margin to \"auto\". Then, you can float the divs in...
[ { "role": "user", "content": "I'm having an issue with a TypeError message. It says 'Cannot read property 'open' of undefined modal'. Do you know what that means?" }, { "role": "assistant", "content": "es, I think I do. It means that the JavaScript code is trying to access a property called 'ope...
[ { "role": "user", "content": "I'm wondering if you can help me remove the option to report a map error on Google Maps. Is that possible?" }, { "role": "assistant", "content": "es, it is possible. You can remove the option by going to Google Maps and selecting the settings menu. From there, click...
[ { "role": "user", "content": "I need some help with removing the \"disabled\" attribute from an HTML input using JavaScript. Can you assist me with this?" }, { "role": "assistant", "content": "ure, I can definitely help you with that. Do you have the code for the input element?" }, { "ro...
[ { "role": "user", "content": "Can you tell me about finding the sum where the value is x?" }, { "role": "assistant", "content": "ure. Finding the sum where the value is x typically involves summing up a set of values that meet a certain criteria or condition, where that condition is that the val...
[ { "role": "user", "content": "I'm having an issue with my code. It keeps saying \"Unexpected token: punc ())\" when building for production. Do you know what this means?" }, { "role": "assistant", "content": "hat error message usually means that there is a syntax error in your code. Have you che...
[ { "role": "user", "content": "I am hoping to download some images using HTML or JavaScript. Can you guide me on how to do this?" }, { "role": "assistant", "content": "ure, there are a few different ways you can do this depending on the specifics of your situation. One common method is to use the...
[ { "role": "user", "content": "I need some help with initializing Swiper in VueJS, can you guide me through the process?" }, { "role": "assistant", "content": "ure, I can definitely help you with that! Have you installed Swiper and VueJS yet?" }, { "role": "user", "content": "Yes, I h...
[ { "role": "user", "content": "I have a question about iOS development. Can you guide me on how to show an ActivityIndicator in the middle of the screen?" }, { "role": "assistant", "content": "ure. To display an ActivityIndicator in the center of the screen, you need to add it as a subview to the...
[ { "role": "user", "content": "I'm having trouble working with multiple panels in one frame. Do you have any tips or tricks for managing them better?" }, { "role": "assistant", "content": "es, there are a few things you can do to make working with multiple panels easier. First, make sure you're u...
[ { "role": "user", "content": "I'm looking for information on Maven local repository location for Linux and Windows. Can you help me with that?" }, { "role": "assistant", "content": "f course! For Linux, the default location for the local repository is ~/.m2/repository. For Windows, it's usually ...
[ { "role": "user", "content": "I'm trying to get the timestamp in seconds from Python's datetime. Can you help me with that?" }, { "role": "assistant", "content": "ure thing! Are you familiar with the Python datetime module?" }, { "role": "user", "content": "A little bit, but not too ...
[ { "role": "user", "content": "I'm wondering if it's possible to call an angularjs scope function from a href link?" }, { "role": "assistant", "content": "es, it is possible. You can use the ng-click directive to trigger a function in your controller when a link is clicked." }, { "role": ...
[ { "role": "user", "content": "I'm having some trouble with the ksmooth() function in R. It doesn't seem to be smoothing my scatter plot data at all." }, { "role": "assistant", "content": "see. Could you give me some more details about your data and how you're using the ksmooth() function?" }, ...
[ { "role": "user", "content": "Can you help me with something related to Docker?" }, { "role": "assistant", "content": "ure, what do you need help with?" }, { "role": "user", "content": "I am trying to install Python 3.6 on openjdk:7-jre-alpine docker. Could you guide me on how to do ...
[ { "role": "user", "content": "I was wondering if I can use OpenGL ES in a Windows Phone 8 app?" }, { "role": "assistant", "content": "es, it is possible to use OpenGL ES in a Windows Phone 8 app. You can use the OpenTK library to enable OpenGL ES support on Windows Phone 8." }, { "role":...
[ { "role": "user", "content": "I am wondering if it is possible to download multiple files in one HTTP request?" }, { "role": "assistant", "content": "es, it is possible to download multiple files in one HTTP request by compressing the files into a zip or tar file and then requesting the compress...
[ { "role": "user", "content": "I'm trying to use imagick in my PHP project but it says the extension is missing from my system. What should I do?" }, { "role": "assistant", "content": "t looks like you need to install the imagick PHP extension on your system. What operating system are you using?"...
[ { "role": "user", "content": "I wanted to know more about the default overScrollMode value in Android View." }, { "role": "assistant", "content": "ure! The default overScrollMode value in Android View is set to \"auto\"." }, { "role": "user", "content": "What does \"auto\" mean in th...
[ { "role": "user", "content": "Can you tell me more about using the system.net section of my app.config in a partial trust environment?" }, { "role": "assistant", "content": "ure. In a partial trust environment, you may need to configure the system.net section of your app.config file to enable or...
[ { "role": "user", "content": "I'm trying to learn more about C# guid and SQL uniqueidentifier. Can you tell me more about them?" }, { "role": "assistant", "content": "ertainly! Both C# guid and SQL uniqueidentifier are data types used to store globally unique identifiers. They are both 128-bit v...
[ { "role": "user", "content": "Can you tell me how to get the actual integer value from an array list?" }, { "role": "assistant", "content": "ure! In order to get the actual integer value from an array list, you can use the get() method. This method will allow you to retrieve the value at a speci...
[ { "role": "user", "content": "I need to know how to make a Windows Forms .NET application display as tray icon. Can you help me with that?" }, { "role": "assistant", "content": "ure! First, you need to add a NotifyIcon control to your Windows Forms application form." }, { "role": "user",...
[ { "role": "user", "content": "Can you help me with managing the toolbar's navigation and back button from a fragment in android?" }, { "role": "assistant", "content": "ure, I'd love to help you with that. What do you specifically want to know about managing the toolbar's navigation and back butt...
[ { "role": "user", "content": "I'm having trouble with a VBA worksheet function for sumifs. Can you assist me with that?" }, { "role": "assistant", "content": "f course! What seems to be the issue?" }, { "role": "user", "content": "I need to use sumifs where the criteria range is in s...
[ { "role": "user", "content": "I need some help with Unity. Specifically, how can I create a .anim file from a .fbx file?" }, { "role": "assistant", "content": "ure! To create a .anim file from a .fbx file in Unity, you need to first import the .fbx file into your project. Once the .fbx file is i...
[ { "role": "user", "content": "I am having a problem with MySQL. It keeps saying 'unknown table engine innodb'. Do you have any idea how to fix this?" }, { "role": "assistant", "content": "es, I believe I can help you with that. This error occurs when the default storage engine of your MySQL serv...
[ { "role": "user", "content": "I was wondering if you could assist me with the C# Graphics class." }, { "role": "assistant", "content": "f course! What do you need help with specifically?" }, { "role": "user", "content": "I'm trying to get the size of the content that I've drawn using...
[ { "role": "user", "content": "Can you tell me how to use std::normal_distribution in C++?" }, { "role": "assistant", "content": "f course! std::normal_distribution is a C++ library function that provides a way to generate random numbers with a normal distribution. To use it, you first need to in...
[ { "role": "user", "content": "Can you tell me about the differences between the Observer pattern and Callbacks?" }, { "role": "assistant", "content": "ure, the Observer pattern is a design pattern where an object, called the subject, maintains a list of its dependents, called observers, and noti...
[ { "role": "user", "content": "Can you tell me how I should determine what version number to use for a software release?" }, { "role": "assistant", "content": "ure, there are generally accepted version numbering schemes that you can use as a guideline. A common version numbering scheme is called ...
[ { "role": "user", "content": "Can you assist me with creating a regular expression to match dollar amounts?" }, { "role": "assistant", "content": "f course! A basic regular expression for matching dollar amounts could be: \\d+(?:\\.\\d{0,2})?" }, { "role": "user", "content": "Could y...
[ { "role": "user", "content": "Can you explain the basics of Python encryption with hashlib SHA1?" }, { "role": "assistant", "content": "ertainly! In Python, you can use the hashlib library to generate SHA1 hashes, which are a type of one-way encryption. To generate a SHA1 hash, you would first i...
[ { "role": "user", "content": "I have a question about NSDictionary. Can you explain what objectForKey returns?" }, { "role": "assistant", "content": "ure, objectForKey returns the value associated with a given key." }, { "role": "user", "content": "Does it return nil if the key is no...
[ { "role": "user", "content": "I would like to know more about the 'pprint jinja2 debug variable helper'." }, { "role": "assistant", "content": "he 'pprint jinja2 debug variable helper' is a debugging tool that allows users to print out the current state of variables within a Jinja2-template, in ...
[ { "role": "user", "content": "I need to add a popup box to a vector in OpenLayers, do you know how to do that?" }, { "role": "assistant", "content": "es, I can assist you with that. Have you already created the vector layer you want to add the popup box to?" }, { "role": "user", "con...
[ { "role": "user", "content": "I'm having trouble with spark-submit. It keeps failing with the error message \"IllegalArgumentException: Missing application resource.\" Do you know what might be causing this?" }, { "role": "assistant", "content": "es, I believe that error message usually means th...
[ { "role": "user", "content": "I am trying to import a function from the __init__.py file in the same directory. Can you explain how to do that?" }, { "role": "assistant", "content": "ure! You can import functions from the __init__.py file in the same directory by using the following syntax: \"fr...
[ { "role": "user", "content": "I have a question about the PostgreSQL Copy To function. How do I specify the encoding of the CSV file name?" }, { "role": "assistant", "content": "ou can use the ENCODING option in the COPY TO statement to specify the encoding of the CSV file name. For example: COP...
[ { "role": "user", "content": "I would like to know more about MongoDB relations between objects." }, { "role": "assistant", "content": "ure, I'd be happy to help! What specific questions do you have about MongoDB relationships between objects?" }, { "role": "user", "content": "Can yo...
[ { "role": "user", "content": "I'm looking to change the accept-language setting on my browser. Do you know how to do that?" }, { "role": "assistant", "content": "es, which browser are you using?" }, { "role": "user", "content": "I'm using Google Chrome on Windows." }, { "role...
[ { "role": "user", "content": "I'm trying to obtain the URL of the previous page in PHP. Can you assist me with that?" }, { "role": "assistant", "content": "ure thing! Do you want to retrieve the previous page URL using the referrer header or by storing the previous page URL in a session variable...