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  • Keeping a database structure up to date in a project where code is on subversion?

    - by Bruno De Barros
    I have been working with Subversion for a while now, and it's been incredible for the management of my projects, and even to help managing the deployment to several different servers, but there is just the one thing that still annoys me. Whenever I make any changes to the database structure, I need to update every server manually, I have to keep track of any changes I made, and because some of my servers run branches of the project (modifications that are still being worked on, or were made for different purposes), it's a bit awkward. Until now, I've been using a "database.sql" file, which is a dump of the database structure for a specific revision. But it just seems like such a bad way to manage this. And I was wondering, how does everyone else manage their MySQL databases when they're working on a project and using Subversion?

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  • Multiple Context menus in PyQt based on mouse location

    - by Nader
    I have a window with multiple tables using QTableWidget (PyQt). I created a popup menu using the right click mouse and it works fine. However, I need to create different popup menu based on which table the mouse is hovering over at the time the right mouse is clicked. How can I get the mouse to tell me which table it is hovering over? or, put in another way, how to implement a method so as to have a specific context menu based on mouse location? I am using Python and PyQt. My popup menu is developed similar to this code (PedroMorgan answer from Qt and context menu): class Foo( QtGui.QWidget ): def __init__(self): QtGui.QWidget.__init__(self, None) # Toolbar toolbar = QtGui.QToolBar() # Actions self.actionAdd = toolbar.addAction("New", self.on_action_add) self.actionEdit = toolbar.addAction("Edit", self.on_action_edit) self.actionDelete = toolbar.addAction("Delete", self.on_action_delete) # Tree self.tree = QtGui.QTreeView() self.tree.setContextMenuPolicy( Qt.CustomContextMenu ) self.connect(self.tree, QtCore.SIGNAL('customContextMenuRequested(const QPoint&)'), self.on_context_menu) # Popup Menu self.popMenu = QtGui.QMenu( self ) self.popMenu.addAction( self.actionEdit ) self.popMenu.addAction( self.actionDelete ) self.popMenu.addSeparator() self.popMenu.addAction( self.actionAdd ) def on_context_menu(self, point): self.popMenu.exec_( self.tree.mapToGlobal(point) )

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  • codeigniter: how to redirect after login to current controller (php_self in regular php)

    - by krike
    Well it's not really a problem but I check if the user exist and log them in and redirect to site/members_area, but I don't want to send the user to a specific page but i want to reload the current controller. So if I login in index/home I would like to be redirected at index/home, how should I proceed? in regular php I would put in the action to redirect to current page <?php echo $_SERVER['PHP_SELF']; ?> This is the code in the framework function validate_credentials() { $this->load->model('membership_model'); $query = $this->membership_model->validate(); if($query) // if the user's credentials validated... { $data = array( 'username' => $this->input->post('username'), 'is_logged_in' => true ); $this->session->set_userdata($data); redirect('site/members_area'); //<-- this line here should be dynamic } else // incorrect username or password { $this->index(); } }

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  • Is there a good reflection library available for Scala?

    - by Erik Engbrecht
    I'm working on a library that needs reflection, and needs Scala-specific information as opposed to what is available via the standard Java reflection API. Right now I'm using the undocumented code in scalap (the Scala equivalent to javap) and trying to associate the data it provides with Java reflection objects so that I can call methods and such (scalap just parses class files). I found this but there's nothing there... https://github.com/dubochet/scala-reflection ...and I've searched the Scala SVN repo for traces of it and failed to find it there, either (but it could be I just missed it). Does anyone know of a Scala reflection library that provides information similar to what scalap provides but also allows you to call methods, access fields, etc like the Java reflection library?

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  • Screen location of NSToolbarItem

    - by adib
    How can I get the on-screen location of a button in a toolbar? That is getting the rectangle frame of an NSToolbarItem? The [NSToolbarItem view] method seems to always return nil whenever the toolbar item is only a simple action button and thus I couldn't use the normal NSView methods to pinpoint the toolbar button's on-screen position. Background I'm trying to use Matt Gemmell's MAAttachedWindow component to point to a specific toolbar button. The component requires an NSPoint object to "point" the user to a location on the screen. Thanks in advance.

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  • Use XSLT to arrange a list of items in a table

    - by Mark Sp
    I have a linear list of items which I wish to arrange in a table using XSLT. I wish to specify the number of columns as a parameter. For example, if I have a list of 12 items, I can select a 2x6, 3x4, 4x3 or 6x2 table. I cannot see a general way to do this. I have seen this article: http://www.nedcomp.nl/support/origdocs/xml4/extracted/xpath_hdi_1_4llx.aspx It tells you how to generate a table with a specific number of columns, but does not allow a general case. (Ideally there would be a loop for the xsl:value-of lines). Thanks Mark

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  • How do I convert the below PHP code to VB.NET?

    - by Greg
    How do I convert the below PHP code to VB.NET? <?php $X_HOST ="foo.com"; $X_URL = "/index.php"; $X_PORT ="8080"; $X_USERNAME = "foo"; $X_PASSWORD = "bar"; $s_POST_DATA = "Channel=UK.VODAFONE"; // Channel $s_POST_DATA .= "&Shortcode=12345"; // Shortcode $s_POST_DATA .= "&SourceReference=3456"; // Source Reference $s_POST_DATA .= "&MSISDN=447811111111"; // Phone $s_POST_DATA .= "&Content=test"; // Content $s_POST_DATA .= "&DataType=0"; // Data Type $s_POST_DATA .= "&Premium=1"; // Premium $s_POST_DATA .= "&CampaignID=4321"; // CampaignID $s_Request = "POST ".$X_URL." HTTP/1.0\r\n"; $s_Request .="Host: ".$X_HOST.":".$X_PORT."\r\n"; $s_Request .="Authorization: Basic ".base64_encode($X_USERNAME.":".$X_PASSWORD)."\r\n"; $s_Request .="Content-Type: application/x-www-form-urlencoded\r\n"; $s_Request .="Content-Length: ".strlen($s_POST_DATA)."\r\n"; $s_Request .="\r\n".$s_POST_DATA; //Sends out the request to the server. $fp = fsockopen ($X_HOST, $X_PORT, $errno, $errstr, 30) or die("Error!!!"); fputs ($fp, $s_Request); while (!feof($fp)) { $s_GatewayResponse .= fgets ($fp, 128); } fclose ($fp); //Array of official response codes. $a_Responses = array( "100" => "Server has returned an unspecified error.", "101" => "Server successfully received the request.", "102" => "Server has returned an database error", "103" => "Server has returned an syntax error." ); echo "<HTML>\n<BODY>\n\n"; //Checks for an official response code. foreach ($a_Responses as $s_ResponseCode => $s_ResponseDescription) { if (stristr($s_GatewayResponse, "\n$s_ResponseCode\n")) { echo "A response code of $s_ResponseCode was returned – "; echo $s_ResponseDescription"; $b_CodeReturned = true; } } //Checks for an authorization failure where an official response code has //not been recognized. if (!$b_CodeReturned) { if (stristr($s_GatewayResponse, "HTTP/1.1 401")) { echo "The server rejected your username/password (HTTP 401)."; } else { echo "No recognised response code was returned by the server."; } } echo "\n\n</BODY>\n</HTML>"; ?> and <?php $s_ref = $HTTP_POST_VARS["Reference"]; // Reference $s_trg = $HTTP_POST_VARS["Trigger"]; // trigger $s_shc = $HTTP_POST_VARS["Shortcode"]; // shortcode $s_pho = $HTTP_POST_VARS["MSISDN"]; // MSISDN $s_con = $HTTP_POST_VARS["Content"]; // Content $s_chn = $HTTP_POST_VARS["Channel"]; // Channel $s_pay = $HTTP_POST_VARS["DataType"]; // Data Type $s_dat = $HTTP_POST_VARS["DateReceived"]; // Date Received $s_cam = $HTTP_POST_VARS["CampaignID"]; // CampaignID $b_IsValid = getValidateRequest($s_ref, $s_trg, $s_shc, $s_pho, $s_con, $s_cam, $s_chn, $s_pay, $s_dat); if ($b_IsValid) { $s_ResponseCode = "success"; } else { $s_ResponseCode = "fail"; } exit($s_ResponseCode); /*******************************************************************************/ function getValidateRequest ($s_req_ref, $s_req_trg, $s_req_shc, $s_req_pho, $s_req_con, $s_req_cam, $s_req_chn, $s_req_pay, $s_req_dat) { /* * Stub function to be replaced with whatever process is needed to * process/validate request from server by specific client requirements. */ return(true); } ?> lastly <?php $s_ref = $HTTP_POST_VARS["Reference"]; // Reference $s_sta = $HTTP_POST_VARS["Status"]; // Status $s_dat = $HTTP_POST_VARS["DateDelivered"]; // Date Delivered $b_IsValid = getValidateReceipt($s_ref, $s_sta, $s_dat); if ($b_IsValid) { $s_ResponseCode = "success"; } else { $s_ResponseCode = "fail"; } exit($s_ResponseCode); /*******************************************************************************/ function getValidateReceipt ($s_req_ref, $s_req_sta, $s_req_dat) { /* * Stub function to be replaced with whatever process is needed to * process/validate receipts from server by specific client requirements. */ return(true); } ?> Thank you very much in advance Regards Greg

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  • Java dynamic proxy questions.

    - by Tony
    1.Does dynamic proxy instance subclass the target class? The java doc says the proxy instance implements "a list of interfaces", says nothing about subclassing, but through debugging, I saw that the proxy instance did inherit the target class properites.What does the "a list of interfaces " mean? Can I exclude those interfaces implemented by target class ? 2.Can I invoke target class specific methods on a proxy instance? 3. I think dynamic proxy is an interface methods invocation proxy but rather than a target class proxy, is that right (I am deeply infected by hibernate proxy object concept)?

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  • Embedded strongly-typed views with ASP.NET MVC

    - by Brian Vallelunga
    I'm working on a plugin-type of system for ASP.NET MVC that loads views from an embedded assembly. I have created a VirtualPathProvider that does the work of retrieving out of the assembly. Everything is working fine except for strongly-typed views. Whenever I try to load one of those, I get an exception of: Could not load type 'System.Web.Mvc.ViewPage'. The problem is that there is no Web.config file under the Views folder. Well, actually there is, but the system doesn't seem to want to read the embedded version. If I manually create the file under the corresponding directory in the web app, everything is fine. This isn't an acceptable workaround however, as each plugin would need its own file in its own specific directory. Does anyone know how I might get ASP to read the embedded Web.config file? Thanks, Brian

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  • Asp.Net page reload problem after login

    - by AZHAR
    Hi, I am devolping a web application.the problem is that i am using a login control (not a .NET control) which is a part of master page and is acessible from all pages. if user log In from a page the login control updates itself and displlay some statistics of logged In user but the specific page does not reload. (some options on page are visible only to authenticated users, so that after login, page should be reloaded to display such options) after logIn methoed I wrote Reponse.Redirect(Request.Url.AbsoluteUri) after this the browser response the "Page cannot be displayed" It would be of great help to me. Many Thanks, Regards. AZHAR

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  • Powershell: error handling with try and catch

    - by resolver101
    I'm writing a script and want to control the errors. However im having trouble finding information on error handling using the try, catch. I want to catch the specific error (shown below) and then perform some actions and resume the code. What code is needed for this? This is the code i am running and im entering in a invalid username when prompted. Get-WMIObject Win32_Service -ComputerName localhost -Credential (Get-Credential) Get-WmiObject : User credentials cannot be used for local connections At C:\Users\alex.kelly\AppData\Local\Temp\a3f819b4-4321-4743-acb5-0183dff88462.ps1:2 char:16 + Get-WMIObject <<<< Win32_Service -ComputerName localhost -Credential (Get-Credential) + CategoryInfo : InvalidOperation: (:) [Get-WmiObject], ManagementException + FullyQualifiedErrorId : GetWMIManagementException,Microsoft.PowerShell.Commands.GetWmiObjectCommand

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  • how to search files of particular extension in the entire device ?

    - by KayKay
    In my application, i am trying to find all files of particular extension (like .pdf, .txt, etc) that are stored in the whole device (not only in Home Directory) and want to list them in table View. Is it possible to do so and if it is then can i associate file of specific extension to get it open in supporting application (any third party plug-ins).I went through numerous documentation but couldn't find the solution. Also how can i index files of these extension for fast search. Any help is appreciated. Thanks.

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  • comparing strings in PostgreSQL

    - by binaryLV
    Hello! Is there any way in PostgreSQL to convert UTF-8 characters to "similar" ASCII characters? String glažškunu rukiši would have to be converted to glazskunu rukisi. UTF-8 text is not in some specific language, it might be in Latvian, Russian, English, Italian or any other language. This is needed for using in where clause, so it might be just "comparing strings" rather than "converting strings". I tried using convert, but it does not give desired results (e.g., select convert('A', 'utf8', 'sql_ascii') gives \304\200, not A). Database is created with: ENCODING = 'UTF8' LC_COLLATE = 'Latvian_Latvia.1257' LC_CTYPE = 'Latvian_Latvia.1257' These params may be changed, if necessary.

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  • Linux / C++: Get the IP Address of local computer

    - by BlaM
    This Question is almost the same as the previously asked Get the IP Address of local computer-Question. However I need to find the IP address(es) of a Linux Machine. So: How do I - programmatically in C++ - detect the IP addresses of the linux server my application is running on. The servers will have at least two IP addresses and I need a specific one (the one in a given network (the public one)). I'm sure there is a simple function to do that - but where? [EDIT] To make things a bit clearer: The server will obviously have the "localhost": 127.0.0.1 The server will have an internal (management) IP address: 172.16.x.x The server will have an external (public) IP address: 80.190.x.x I need to find the external IP address to bind my application to it. Obviously I can also bind to INADDR_ANY (and actually that's what I do at the moment). I would prefer to detect the public address, though.

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  • Peak decomposition

    - by midtiby
    Hi I want to examine a NMR spectre and make the best fit of a specific peak using a sum of gaussians. With the following code it is possible to fit two gaussians to the peak, but can it easily be generalized to n gaussians? freq <- seq(100, 200, 0.1) signal <- 3.5*exp(-(freq-130)^2/50) + 0.2 + 1.5*exp(-(freq-120)^2/10) simsignal <- rpois(length(signal), 100*signal) + rnorm(length(signal)) plot(freq, simsignal) res <- nls(simsignal ~ bg + h1 * exp(-((freq - m1)/s1)^2) + h2 * exp(-((freq - m2)/s2)^2), start=c(bg = 4, h1 = 300, m1 = 128, s1 = 6, h2 = 200, m2 = 122, s2 = 4), trace=T) lines(freq, predict(res, freq), col='red') Another wish is a visulization of the contribution from each of the gaussians to the original peak, eg. the gaussians should be plotted side by side (instead of plotting their sum as done above).

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  • Spring-Security http-basic auth in addition to other authentication types

    - by Keith
    I have a pretty standard existing webapp using spring security that requires a database-backed form login for user-specific paths (such as /user/**), and some completely open and public paths (such as /index.html). However, as this webapp is still under development, I'd like to add a http-basic popup across all paths (/**) to add some privacy. Therefore, I'm trying to add a http-basic popup that asks for a universal user/pass combo (ex admin/foo) that would be required to view any path, but then still keep intact all of the other underlying authentication mechanisms. I can't really do anything with the <http> tag, since that will confuse the "keep out the nosy crawlers" authentication with the "user login" authentication, and I'm not seeing any way to associate different paths with different authentication mechanisms. Is there some way to do this with spring security? Alternatively, is there some kind of a dead simple filter that I can apply independently of spring-security's authentication mechanisms?

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  • Cocoa Core Data - Efficient Related Entities Counts

    - by Gary
    I am working on my first iPhone application and I've hit a wall. I'm trying to develop a 'statistics' page for a three entity relationship. My entities are the following: Department - Name, Address, Building, etc. People - Name, Gender (BOOL), Phone, etc If I have fetched a specific department how do I filter those results and only return people that are Male (Gender == 0)? If I do NSLog(@"%d", [department.people count]); I get the correct number of people in that department so I know I'm in the neighborhood. I know I could re-fetch and modify the predicate each time but with 20+ stats in my app that seems inefficient. Thanks for any advice!

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  • Anyone got Twitter xAuth working with the Compact Framework yet?

    - by peSHIr
    This question is related to a number of other questions on oAuth on the Compact Framework (one, two) but seems slightly more specific to me, as it specifically involves getting Twitters xAuth API call (meant for non web applications to be able to do oAuth) working on the Compact Framework. Are SSL HTTP connections and the encryption methods needed for xAuth needed part of Compact Framework 3.5? Did anyone get the Twitter xAuth working on Windows Mobile already? If so, what libraries did you use for this? Any tips are welcome.

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  • Best way to handle input from a keyboard "wedge"

    - by Mykroft
    I'm writing a C# POS (point of sale) system that takes input from a keyboard wedge magcard reader. This means that any data it reads off of a mag stripe is entered as if it were typed on the keyboard very quickly. Currently I'm handling this by attaching to the KeyPress event and looking for a series of very fast key presses that contain the card swipe sentinel characters. Is there a better way to deal with this sort of input? Edit: The device does simply present the data as keystrokes and doesn't interface through some other driver. Also We use a wide range of these types of devices so ideally a method should work independent of the specific model of wedge being used. However if there is no other option I'll have to make do.

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  • Use ASP.NET Profile or not?

    - by DotnetDude
    I need to store a few attributes of an authenticated user (I am using Membership API) and I need to make a choice between using Profiles or adding a new table with UserId as the PK. It appears that using Profiles is quick and needs less work upfront. However, I see the following downsides: The profile values are squished into a single ntext column. At some point in the future, I will have SQL scripts that may update user's attributes. Querying a ntext column and trying to update a value sounds a little buggy to me. If I choose to add a new user specific property and would like to assign a default for all the existing users, would it be possible? My first impression has been that using profiles may cause maintainance headaches in the long run. Thoughts?

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  • What is the "Dispatcher" design pattern?

    - by Ben Farmer
    What is the "dispatcher" pattern and how would I implement it in code? I have a property bag of generic objects and would like to have the retrieval delegated to a generic method. Currently, I have properties looking for a specific key in the bag. For example: private Dictionary<String, Object> Foo { get; set; } private const String WidgetKey = "WIDGETKEY"; public Widget? WidgetItem { get { return Foo.ContainsKey(WidgetKey) ? Foo[WidgetKey] as Widget: null; } set { if (Foo.ContainsKey(WidgetKey)) Foo[WidgetKey] = value; else Foo.Add(WidgetKey, value); } } It was suggested that this could be more generic with the "dispatcher" pattern, but I've been unable to find a good description or example. I'm looking for a more generic way to handle the property bag store/retrieve.

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  • php curl: how can i emulate a get request exactly like a web browser?

    - by ufk
    Hi. there are websites that when i open specific ajax request on browser i get the resulted page, but when i try to load them with curl, i receive an error from the server. how can i properly emulate a get request to the server that will simulate a browser ? that's what i'm doing: $url="https://new.aol.com/productsweb/subflows/ScreenNameFlow/AjaxSNAction.do?s=username&f=firstname&l=lastname"; ini_set('user_agent', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.0.3705; .NET CLR 1.1.4322)'); $ch = curl_init(); curl_setopt($ch, CURLOPT_URL,$url); $result=curl_exec($ch); print $result;

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  • What are differences between AssemblyVersion, AssemblyFileVersion and AssemblyInformationalVersion?

    - by Jakub Šturc
    There are three assembly version attributes. What are differences? Is it ok if I use AssemblyVersion and ignore the rest? MSDN says: AssemblyVersion: Specifies the version of the assembly being attributed. AssemblyFileVersion: Instructs a compiler to use a specific version number for the Win32 file version resource. The Win32 file version is not required to be the same as the assembly's version number. AssemblyInformationalVersion: Defines additional version information for an assembly manifest. This is follow up to What are the best practices for using Assembly Attributes?

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  • Cakephp database migration error

    - by Vijay Kumbhar
    Hello All, I am using Ubuntu + cakephp 1.3. I am trying the database migration with the help of cakeDC migration plugin. I configured the plugin as per the instructions. But when i goes to the terminal, goes to the path of the application application_path/app/ dir then fire a command 'cake migration help' it gives me following error, Hello user, Welcome to CakePHP v1.2 Console Current Paths: -working: /path/to/cake/ -root: /path/to/cake/ -app: /path/to/cake/app/ -core: /path/to/cake/ Changing Paths: your working path should be the same as your application path to change your path use the '-app' param. Example: -app relative/path/to/myapp or -app /absolute/path/to/myapp Available Shells: app/vendors/shells/: - none vendors/shells/: - none cake/console/libs/: acl api bake console extract To run a command, type 'cake shell_name [args]' To get help on a specific command, type 'cake shell_name help' Then i followed the steps given in the : http://book.cakephp.org/view/108/The-CakePHP-Console $ cake -app /path/to/app But i am not getting the success. Can anybody help me out from this issue... Thanks in adavnce.

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  • Invoke a cleanup method for java user thread, when JVM stops the thread

    - by user309281
    Hi All I have J2SE application running in linux. I have stop application script in which i am doing kill of the J2SE pid. This J2SE application has 6 infinitely running user threads,which will be polling for some specific records in backend DB. When this java pid is killed, I need to perform some cleanup operations for each of the long running thread, like connecting to DB and set status of some transactions which are in-progress to empty. Is there a way to write a method in each of the thread, which will be called when the thread is going to be stopped, by JVM.

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