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  • How to test DNS glue record?

    - by Sunnz
    Hello I have just set up a DNS server for my domain example.org with 2 name servers ns1.example.org and ns2.example.org. I have attempted to set up a glue record for ns1 and ns2 at my registrar. It seems to work for now when I do a dig example.org but when I do a whois example.org it lists ns1.example.org and ns2.example.org but not their IP address which should be set up as a glue record. So I am wondering how do I check for the existence of a glue record? Do I do it with whois? I have seen .com and .net whois records that have both the domain name as well as the IP address for the name servers, is .org different? What's the proper way to test this? Thanks.

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  • Make IP Address point to webroot instead of virtual hosts' documentroot

    - by Reuben L.
    I used to have a one-to-one domain name and IP. Recently I've paid for a second domain name and decided to host it on the same box and IP. As such, I added virtualhosts to point each domain name to a different document root (i.e. /var/www/webbie1 and /var/www/webbie2). The question I have is, can I still make the IP, e.g. http://XXX.XXX.XXX.XXX, point to the webroot, i.e. /var/www/? If so, how do I go about doing it? For a fuller picture, the box is on an Ubuntu server OS and I'm using apache2 as the app server. the changes I made to enable to virtual hosts were in the apache2.conf file with the <VirtualHost [IP address]> ... </VirtualHost> tags. Thanks.

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  • Google Apps for Mail - MX entry related doubt

    - by niting
    I have signed up for google apps recently for my organisation. The google apps guide says that I need to edit the MX entry for my domain so that the mails get redirected to the google mail servers instead of my default mail server. But, I am having a doubt whether to edit the MX entry on my domain name provider or the hosting server. My domain name provider is godaddy.com and my server is ServInt. And, moreover, what difference does it make if I edit the MX entries on my hosting provider or my domain name provider. Thanks, niting

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  • Deploy EAR with Websphere Application Server wsadmin.bat without loosing security role-mapping?

    - by Tommy
    We're running CI towards our WAS with wsadmin.bat The applications are updated with this command $AdminApp update ${projectName}EAR app {-operation update -update.ignore.new -contents {${artifactsDir}/${projectName}-${buildVersion}.ear}} This causes all the "Security role to user/group mapping"-settings to reset, even though all the other settings are preserved with the -update.ignore.new Anyone know how to fix this?

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  • IIS 7 Application Pools using a different amount of memory on multiple servers behind a load balancer

    - by Jim March
    We have 6 servers in a web farm behind an F5. There are approximately 25 AppPools on each of these servers. On servers 1 - 5 the apppools are consuming approx 500MB Private Bytes, and 5GB Virtual Bytes. On server 6 the apppools are consuming approx 800MB Private Bytes, and 8GB Virtual Bytes. I can not seem to figure out why we have this difference. The code is the exact same on each box. We replicate the apphost.config between the boxes, so the Appplication Configs are identical. The only difference seems to be that this box consumes more RAM, and in turn ends up using a lot more CPU. During Black Friday we observed the CPU on server 6 spiking to 100% and noticed that the % Memory Commit was also near 100%, while the rest of the farm was at closer to 50% utilization. Pulling the 6th server from the load balancer dropped CPU/Memory on the 6th server back to normal, and did not cause a noticeable strain on the other servers.

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  • A process serving application pool 'X' reported a failure. The process id was 'Y'. The data field c

    - by born to hula
    I have a WCF Web Service which is kept under an Application Pool on IIS. Lately I've been getting "Service Unavaiable" when I'm trying to make calls to this Web Service. The first thing I tried to do was restarting the Application Pool. I did it and after a couple of seconds, it crashed and stopped. Looking at the Event Viewer, I found these messages, which by the moment couldn't help me to find where the problem is. A process serving application pool 'X' reported a failure. The process id was '11616'. The data field contains the error number. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. After getting a couple of these, I got this one: Application pool 'X' is being automatically disabled due to a series of failures in the process(es) serving that application pool. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. I've already checked permissions and Application Pool configurations but everything seems to be OK. Have anyone been through this? Thanks in advance.

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  • jquery get radiobuttonlist by name dynamically

    - by Cindy
    I have two radiobuttonlist and one checkboxlist on the page. Ideally based on the checkbox selected value, I want to enable/disable corresponding radibuttonlist with jquery function. But some how $("input[name*=" + columnName + "]") always return null. It can not find the radiobuttonlist by its name? $(function() { function checkBoxClicked() { var isChecked = $(this).is(":checked"); var columnName = "rblColumn" + $(this).parent().attr("alt"); if (isChecked) { $("input[name*=" + columnName + "]").removeAttr("disabled"); } else { $("input[name*=" + columnName + "]").attr("disabled", "disabled"); $("input[name*=" + columnName + "] input").each(function() { $(this).attr("checked", "") }); } } //intercept any check box click event inside the #list Div $(":checkbox").click(checkBoxClicked); }); <asp:Panel ID="TestPanel" runat="server"> <asp:CheckBoxList ID = "chkColumn" runat="server" RepeatDirection="Horizontal"> <asp:ListItem id = "Column1" runat="server" Text="Column 1" Value="1" alt="1" class="HeadColumn" /> <asp:ListItem id = "Column2" runat="server" Text="Column 2" Value="2" alt="2" class="HeadColumn"/> </asp:CheckBoxList> <table> <tr> <td> <asp:RadioButtonList ID = "rblColumn1" runat="server" RepeatDirection="Vertical" disabled="disabled"> <asp:ListItem id="liColumn1p" runat="server" /> <asp:ListItem id="liColumn1n" runat="server" /> </asp:RadioButtonList> </td> <td> <asp:RadioButtonList ID = "rblColumn2" runat="server" RepeatDirection="Vertical" disabled="disabled"> <asp:ListItem id="liColumn2p" runat="server" /> <asp:ListItem id="liColumn2n" runat="server" /> </asp:RadioButtonList> </td> </tr> </table> </asp:Panel> source: <div id="TestPanel"> <table id="chkColumn" border="0"> <tr> <td><span id="Column1" alt="1" class="HeadColumn"><input id="chkColumn_0" type="checkbox" name="chkColumn$0" /><label for="chkColumn_0">Column 1</label></span></td><td><span id="Column2" alt="2" class="HeadColumn"><input id="chkColumn_1" type="checkbox" name="chkColumn$1" /><label for="chkColumn_1">Column 2</label></span></td> </tr> </table> <table> <tr> <td> <table id="rblColumn1" class="myRadioButtonList" disabled="disabled" border="0"> <tr> <td><span id="liColumn1p"><input id="rblColumn1_0" type="radio" name="rblColumn1" value="" /></span></td> </tr><tr> <td><span id="liColumn1n"><input id="rblColumn1_1" type="radio" name="rblColumn1" value="" /></span></td> </tr> </table> </td> <td> <table id="rblColumn2" class="myRadioButtonList" disabled="disabled" border="0"> <tr> <td><span id="liColumn2p"><input id="rblColumn2_0" type="radio" name="rblColumn2" value="" /></span></td> </tr><tr> <td><span id="liColumn2n"><input id="rblColumn2_1" type="radio" name="rblColumn2" value="" /></span></td> </tr> </table> </td> </tr> </table> </div>

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  • Losing jQuery functionality after postback

    - by David Lozzi
    I have seen a TON of people reporting this issue online, but no actual solutions. I'm not using AJAX or updatepanels, just a dropdown that posts back on selected index change. My HTML is <div id="myList"> <table id="ctl00_PlaceHolderMain_dlFields" cellspacing="0" border="0" style="border-collapse:collapse;"> <tr> <td> <tr> <td class="ms-formlabel" style="width: 175px; padding-left: 10px"> <span id="ctl00_PlaceHolderMain_dlFields_ctl00_lblDestinationField">Body</span> </td> <td class="ms-formbody" style="width: 485px"> <input name="ctl00$PlaceHolderMain$dlFields$ctl00$txtSource" type="text" id="ctl00_PlaceHolderMain_dlFields_ctl00_txtSource" class="ms-input" style="width:230px" /> <select name="ctl00$PlaceHolderMain$dlFields$ctl00$ddlSourceFields" id="ctl00_PlaceHolderMain_dlFields_ctl00_ddlSourceFields" class="ms-input"> <option value="Some Field Name 1">Some Field Name 1</option> <option value="Some Field Name 2">Some Field Name 2</option> <option value="Some Field Name 3">Some Field Name 3</option> <option value="Some Field Name 4">Some Field Name 4</option> </select> <a href="#" id="appendSelect">append</a> </td> </tr> </td> </tr><tr> <td> <tr> <td class="ms-formlabel" style="width: 175px; padding-left: 10px"> <span id="ctl00_PlaceHolderMain_dlFields_ctl01_lblDestinationField">Expires</span> </td> <td class="ms-formbody" style="width: 485px"> <input name="ctl00$PlaceHolderMain$dlFields$ctl01$txtSource" type="text" id="ctl00_PlaceHolderMain_dlFields_ctl01_txtSource" class="ms-input" style="width:230px" /> <select name="ctl00$PlaceHolderMain$dlFields$ctl01$ddlSourceFields" id="ctl00_PlaceHolderMain_dlFields_ctl01_ddlSourceFields" class="ms-input"> <option value="Some Field Name 1">Some Field Name 1</option> <option value="Some Field Name 2">Some Field Name 2</option> <option value="Some Field Name 3">Some Field Name 3</option> <option value="Some Field Name 4">Some Field Name 4</option> </select> <a href="#" id="appendSelect">append</a> </td> </tr> </td> </tr><tr> <td> <tr> <td class="ms-formlabel" style="width: 175px; padding-left: 10px"> <span id="ctl00_PlaceHolderMain_dlFields_ctl02_lblDestinationField">Title</span> </td> <td class="ms-formbody" style="width: 485px"> <input name="ctl00$PlaceHolderMain$dlFields$ctl02$txtSource" type="text" id="ctl00_PlaceHolderMain_dlFields_ctl02_txtSource" class="ms-input" style="width:230px" /> <select name="ctl00$PlaceHolderMain$dlFields$ctl02$ddlSourceFields" id="ctl00_PlaceHolderMain_dlFields_ctl02_ddlSourceFields" class="ms-input"> <option value="Some Field Name 1">Some Field Name 1</option> <option value="Some Field Name 2">Some Field Name 2</option> <option value="Some Field Name 3">Some Field Name 3</option> <option value="Some Field Name 4">Some Field Name 4</option> </select> <a href="#" id="appendSelect">append</a> </td> </tr> </td> </tr> </table></div> The above Div tag is static, and the table is generated from a DataList object. On postback the datalist reloads using a new dataset, for example <div id="myList"> <table id="ctl00_PlaceHolderMain_dlFields" cellspacing="0" border="0" style="border-collapse:collapse;"> <tr> <td> <tr> <td class="ms-formlabel" style="width: 175px; padding-left: 10px"> <span id="ctl00_PlaceHolderMain_dlFields_ctl00_lblDestinationField">Notes</span> </td> <td class="ms-formbody" style="width: 485px"> <input name="ctl00$PlaceHolderMain$dlFields$ctl00$txtSource" type="text" id="ctl00_PlaceHolderMain_dlFields_ctl00_txtSource" class="ms-input" style="width:230px" /> <select name="ctl00$PlaceHolderMain$dlFields$ctl00$ddlSourceFields" id="ctl00_PlaceHolderMain_dlFields_ctl00_ddlSourceFields" class="ms-input"> <option value="Some Field Name 1">Some Field Name 1</option> <option value="Some Field Name 2">Some Field Name 2</option> <option value="Some Field Name 3">Some Field Name 3</option> <option value="Some Field Name 4">Some Field Name 4</option> </select> <a href="#" id="appendSelect">append</a> </td> </tr> </td> </tr><tr> <td> <tr> <td class="ms-formlabel" style="width: 175px; padding-left: 10px"> <span id="ctl00_PlaceHolderMain_dlFields_ctl01_lblDestinationField">URL</span> </td> <td class="ms-formbody" style="width: 485px"> <input name="ctl00$PlaceHolderMain$dlFields$ctl01$txtSource" type="text" id="ctl00_PlaceHolderMain_dlFields_ctl01_txtSource" class="ms-input" style="width:230px" /> <select name="ctl00$PlaceHolderMain$dlFields$ctl01$ddlSourceFields" id="ctl00_PlaceHolderMain_dlFields_ctl01_ddlSourceFields" class="ms-input"> <option value="Some Field Name 1">Some Field Name 1</option> <option value="Some Field Name 2">Some Field Name 2</option> <option value="Some Field Name 3">Some Field Name 3</option> <option value="Some Field Name 4">Some Field Name 4</option> </select> <a href="#" id="appendSelect">append</a> </td> </tr> </td> </tr> </table></div> After the postback and the datalist is reloaded, my JQuery doesn't work anymore. No errors, nothing. I don't see any actual changes in the objects in the HTML that should cause this. How do I fix this? Any workarounds or bandaides I can apply? My JQuery is below <script type='text/javascript'> $(document).ready(function () { $('#myList a').live("click", function () { var $selectValue = $(this).siblings('select').val(); var $thatInput = $(this).siblings('input'); var val = $thatInput.val() + ' |[' + $selectValue + ']|'; $thatInput.val(jQuery.trim(val)); }) }); </script> Thanks!!

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  • Host AngularJS (Html5Mode) in ASP.NET vNext

    - by Shaun
    Originally posted on: http://geekswithblogs.net/shaunxu/archive/2014/06/10/host-angularjs-html5mode-in-asp.net-vnext.aspxMicrosoft had announced ASP.NET vNext in BUILD and TechED recently and as a developer, I found that we can add features into one ASP.NET vNext application such as MVC, WebAPI, SignalR, etc.. Also it's cross platform which means I can host ASP.NET on Windows, Linux and OS X.   If you are following my blog you should knew that I'm currently working on a project which uses ASP.NET WebAPI, SignalR and AngularJS. Currently the AngularJS part is hosted by Express in Node.js while WebAPI and SignalR are hosted in ASP.NET. I was looking for a solution to host all of them in one platform so that my SignalR can utilize WebSocket. Currently AngularJS and SignalR are hosted in the same domain but different port so it has to use ServerSendEvent. It can be upgraded to WebSocket if I host both of them in the same port.   Host AngularJS in ASP.NET vNext Static File Middleware ASP.NET vNext utilizes middleware pattern to register feature it uses, which is very similar as Express in Node.js. Since AngularJS is a pure client side framework in theory what I need to do is to use ASP.NET vNext as a static file server. This is very easy as there's a build-in middleware shipped alone with ASP.NET vNext. Assuming I have "index.html" as below. 1: <html data-ng-app="demo"> 2: <head> 3: <script type="text/javascript" src="angular.js" /> 4: <script type="text/javascript" src="angular-ui-router.js" /> 5: <script type="text/javascript" src="app.js" /> 6: </head> 7: <body> 8: <h1>ASP.NET vNext with AngularJS</h1> 9: <div> 10: <a href="javascript:void(0)" data-ui-sref="view1">View 1</a> | 11: <a href="javascript:void(0)" data-ui-sref="view2">View 2</a> 12: </div> 13: <div data-ui-view></div> 14: </body> 15: </html> And the AngularJS JavaScript file as below. Notices that I have two views which only contains one line literal indicates the view name. 1: 'use strict'; 2:  3: var app = angular.module('demo', ['ui.router']); 4:  5: app.config(['$stateProvider', '$locationProvider', function ($stateProvider, $locationProvider) { 6: $stateProvider.state('view1', { 7: url: '/view1', 8: templateUrl: 'view1.html', 9: controller: 'View1Ctrl' }); 10:  11: $stateProvider.state('view2', { 12: url: '/view2', 13: templateUrl: 'view2.html', 14: controller: 'View2Ctrl' }); 15: }]); 16:  17: app.controller('View1Ctrl', function ($scope) { 18: }); 19:  20: app.controller('View2Ctrl', function ($scope) { 21: }); All AngularJS files are located in "app" folder and my ASP.NET vNext files are besides it. The "project.json" contains all dependencies I need to host static file server. 1: { 2: "dependencies": { 3: "Helios" : "0.1-alpha-*", 4: "Microsoft.AspNet.FileSystems": "0.1-alpha-*", 5: "Microsoft.AspNet.Http": "0.1-alpha-*", 6: "Microsoft.AspNet.StaticFiles": "0.1-alpha-*", 7: "Microsoft.AspNet.Hosting": "0.1-alpha-*", 8: "Microsoft.AspNet.Server.WebListener": "0.1-alpha-*" 9: }, 10: "commands": { 11: "web": "Microsoft.AspNet.Hosting server=Microsoft.AspNet.Server.WebListener server.urls=http://localhost:22222" 12: }, 13: "configurations" : { 14: "net45" : { 15: }, 16: "k10" : { 17: "System.Diagnostics.Contracts": "4.0.0.0", 18: "System.Security.Claims" : "0.1-alpha-*" 19: } 20: } 21: } Below is "Startup.cs" which is the entry file of my ASP.NET vNext. What I need to do is to let my application use FileServerMiddleware. 1: using System; 2: using Microsoft.AspNet.Builder; 3: using Microsoft.AspNet.FileSystems; 4: using Microsoft.AspNet.StaticFiles; 5:  6: namespace Shaun.AspNet.Plugins.AngularServer.Demo 7: { 8: public class Startup 9: { 10: public void Configure(IBuilder app) 11: { 12: app.UseFileServer(new FileServerOptions() { 13: EnableDirectoryBrowsing = true, 14: FileSystem = new PhysicalFileSystem(System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "app")) 15: }); 16: } 17: } 18: } Next, I need to create "NuGet.Config" file in the PARENT folder so that when I run "kpm restore" command later it can find ASP.NET vNext NuGet package successfully. 1: <?xml version="1.0" encoding="utf-8"?> 2: <configuration> 3: <packageSources> 4: <add key="AspNetVNext" value="https://www.myget.org/F/aspnetvnext/api/v2" /> 5: <add key="NuGet.org" value="https://nuget.org/api/v2/" /> 6: </packageSources> 7: <packageSourceCredentials> 8: <AspNetVNext> 9: <add key="Username" value="aspnetreadonly" /> 10: <add key="ClearTextPassword" value="4d8a2d9c-7b80-4162-9978-47e918c9658c" /> 11: </AspNetVNext> 12: </packageSourceCredentials> 13: </configuration> Now I need to run "kpm restore" to resolve all dependencies of my application. Finally, use "k web" to start the application which will be a static file server on "app" sub folder in the local 22222 port.   Support AngularJS Html5Mode AngularJS works well in previous demo. But you will note that there is a "#" in the browser address. This is because by default AngularJS adds "#" next to its entry page so ensure all request will be handled by this entry page. For example, in this case my entry page is "index.html", so when I clicked "View 1" in the page the address will be changed to "/#/view1" which means it still tell the web server I'm still looking for "index.html". This works, but makes the address looks ugly. Hence AngularJS introduces a feature called Html5Mode, which will get rid off the annoying "#" from the address bar. Below is the "app.js" with Html5Mode enabled, just one line of code. 1: 'use strict'; 2:  3: var app = angular.module('demo', ['ui.router']); 4:  5: app.config(['$stateProvider', '$locationProvider', function ($stateProvider, $locationProvider) { 6: $stateProvider.state('view1', { 7: url: '/view1', 8: templateUrl: 'view1.html', 9: controller: 'View1Ctrl' }); 10:  11: $stateProvider.state('view2', { 12: url: '/view2', 13: templateUrl: 'view2.html', 14: controller: 'View2Ctrl' }); 15:  16: // enable html5mode 17: $locationProvider.html5Mode(true); 18: }]); 19:  20: app.controller('View1Ctrl', function ($scope) { 21: }); 22:  23: app.controller('View2Ctrl', function ($scope) { 24: }); Then let's went to the root path of our website and click "View 1" you will see there's no "#" in the address. But the problem is, if we hit F5 the browser will be turn to blank. This is because in this mode the browser told the web server I want static file named "view1" but there's no file on the server. So underlying our web server, which is built by ASP.NET vNext, responded 404. To fix this problem we need to create our own ASP.NET vNext middleware. What it needs to do is firstly try to respond the static file request with the default StaticFileMiddleware. If the response status code was 404 then change the request path value to the entry page and try again. 1: public class AngularServerMiddleware 2: { 3: private readonly AngularServerOptions _options; 4: private readonly RequestDelegate _next; 5: private readonly StaticFileMiddleware _innerMiddleware; 6:  7: public AngularServerMiddleware(RequestDelegate next, AngularServerOptions options) 8: { 9: _next = next; 10: _options = options; 11:  12: _innerMiddleware = new StaticFileMiddleware(next, options.FileServerOptions.StaticFileOptions); 13: } 14:  15: public async Task Invoke(HttpContext context) 16: { 17: // try to resolve the request with default static file middleware 18: await _innerMiddleware.Invoke(context); 19: Console.WriteLine(context.Request.Path + ": " + context.Response.StatusCode); 20: // route to root path if the status code is 404 21: // and need support angular html5mode 22: if (context.Response.StatusCode == 404 && _options.Html5Mode) 23: { 24: context.Request.Path = _options.EntryPath; 25: await _innerMiddleware.Invoke(context); 26: Console.WriteLine(">> " + context.Request.Path + ": " + context.Response.StatusCode); 27: } 28: } 29: } We need an option class where user can specify the host root path and the entry page path. 1: public class AngularServerOptions 2: { 3: public FileServerOptions FileServerOptions { get; set; } 4:  5: public PathString EntryPath { get; set; } 6:  7: public bool Html5Mode 8: { 9: get 10: { 11: return EntryPath.HasValue; 12: } 13: } 14:  15: public AngularServerOptions() 16: { 17: FileServerOptions = new FileServerOptions(); 18: EntryPath = PathString.Empty; 19: } 20: } We also need an extension method so that user can append this feature in "Startup.cs" easily. 1: public static class AngularServerExtension 2: { 3: public static IBuilder UseAngularServer(this IBuilder builder, string rootPath, string entryPath) 4: { 5: var options = new AngularServerOptions() 6: { 7: FileServerOptions = new FileServerOptions() 8: { 9: EnableDirectoryBrowsing = false, 10: FileSystem = new PhysicalFileSystem(System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, rootPath)) 11: }, 12: EntryPath = new PathString(entryPath) 13: }; 14:  15: builder.UseDefaultFiles(options.FileServerOptions.DefaultFilesOptions); 16:  17: return builder.Use(next => new AngularServerMiddleware(next, options).Invoke); 18: } 19: } Now with these classes ready we will change our "Startup.cs", use this middleware replace the default one, tell the server try to load "index.html" file if it cannot find resource. The code below is just for demo purpose. I just tried to load "index.html" in all cases once the StaticFileMiddleware returned 404. In fact we need to validation to make sure this is an AngularJS route request instead of a normal static file request. 1: using System; 2: using Microsoft.AspNet.Builder; 3: using Microsoft.AspNet.FileSystems; 4: using Microsoft.AspNet.StaticFiles; 5: using Shaun.AspNet.Plugins.AngularServer; 6:  7: namespace Shaun.AspNet.Plugins.AngularServer.Demo 8: { 9: public class Startup 10: { 11: public void Configure(IBuilder app) 12: { 13: app.UseAngularServer("app", "/index.html"); 14: } 15: } 16: } Now let's run "k web" again and try to refresh our browser and we can see the page loaded successfully. In the console window we can find the original request got 404 and we try to find "index.html" and return the correct result.   Summary In this post I introduced how to use ASP.NET vNext to host AngularJS application as a static file server. I also demonstrated how to extend ASP.NET vNext, so that it supports AngularJS Html5Mode. You can download the source code here.   Hope this helps, Shaun All documents and related graphics, codes are provided "AS IS" without warranty of any kind. Copyright © Shaun Ziyan Xu. This work is licensed under the Creative Commons License.

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  • how to set the border = 0 on GtkBox (dialog-Vbox-Element) in Glade on Dialog, which was creadted via "quickly add dialog"

    - by Marian Lux
    To make the Toolbar look native in Ubuntu (like the application in this video: https://www.youtube.com/watch?feature=player_embedded&v=sO8hiPreNBg), I don't want to show a border. In my main window of my application I am able to set the property for the border width to zero on the GtkBox under tab "common". But on a dialog (created via "quickly add dialog") there is no option on the GtkBox to set the property under "common". The property for the border width sill not appears under common! What can I do to solve this problem? I tried to create a Window-Element and tried to delete the Dialog-Element. Result: Then I was able to set this property in Glade but I could not do anything with the Window-Element and its Child-Elements (e.g. set the native look for its toolbar) in the corresponding .py-File (for the ui-File) because I destroyed dependencies...

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  • How to get rid of the background gradient of the inline GtkToolbar?

    - by Dima
    When you run the below code, it will show an inline toolbar in a window. Notice how the inline toolbar has a stand-out backbround. Is there a way to apply CSS to get rid of it and make blend with regular window color? #!/usr/bin/python3 from gi.repository import Gtk button_names = [Gtk.STOCK_ABOUT, Gtk.STOCK_ADD, Gtk.STOCK_REMOVE, Gtk.STOCK_QUIT] buttons = [Gtk.ToolButton.new_from_stock(name) for name in button_names] toolbar = Gtk.Toolbar() toolbar.set_show_arrow(False) for button in buttons: toolbar.insert(button, -1) style_context = toolbar.get_style_context() style_context.add_class(Gtk.STYLE_CLASS_INLINE_TOOLBAR) grid = Gtk.Grid() grid.add(toolbar) label = Gtk.Label() grid.add(label) window = Gtk.Window() window.set_size_request(200, 50) window.add(grid) window.connect('delete-event', Gtk.main_quit) window.show_all() Gtk.main()

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  • How do I get a get the left pane of my GUI app to talk to the right pane?

    - by bas-brain
    I need help on developing a UI for a app. Basically this app will have do panels, left and right, lets say. On the left panel will be displayed customers and when I click on the customer name on the right will appear tabs with information, some kind of form with name, email, picture, etc. I already developed the left panel with DictionaryGrid which I could found on tutorials and so on, but no idea on the right panel which is the form side. Any help??? Just the idea and the development is with me, thanks very much

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  • I am getting an error while writing my first app as shown in developer get-started tutorial

    - by TrickyJ
    I am trying to learn to develop apps in ubuntu and currently i am going through this tutorial. As shown in the video I am writing the below given codes: self.refreshbutton = self.builder.get_object("refreshbutton") def on_refreshbutton_clicked(self, widget): print "Refresh" As soon as I try to run my application it is giving me an error : I type this command to run my application : quickly run (trickybrowser:4418): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:1971:11: Not using units is deprecated. Assuming 'px'. (trickybrowser:4418): Gtk-WARNING **: Failed to parse /usr/share/themes/mac-os-lion-theme-v2/gtk-3.0/settings.ini: Key file contains line '/* ' which is not a key-value pair, group, or comment Traceback (most recent call last): File "bin/trickybrowser", line 32, in <module> import trickybrowser File "/home/tricky/trickybrowser/trickybrowser/__init__.py", line 14, in <module> from trickybrowser import TrickybrowserWindow File "/home/tricky/trickybrowser/trickybrowser/TrickybrowserWindow.py", line 32 print "Refresh" ^ IndentationError: expected an indented block

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  • Pirates, Treasure Chests and Architectural Mapping

    Pirate 1: Why do pirates create treasure maps? Pirate 2: I do not know.Pirate 1: So they can find their gold. Yes, that was a bad joke, but it does illustrate a point. Pirates are known for drawing treasure maps to their most prized possession. These documents detail the decisions pirates made in order to hide and find their chests of gold. The map allows them to trace the steps they took originally to hide their treasure so that they may return. As software engineers, programmers, and architects we need to treat software implementations much like our treasure chest. Why is software like a treasure chest? It cost money, time,  and resources to develop (Usually) It can make or save money, time, and resources (Hopefully) If we operate under the assumption that software is like a treasure chest then wouldn’t make sense to document the steps, rationale, concerns, and decisions about how it was designed? Pirates are notorious for documenting where they hide their treasure.  Shouldn’t we as creators of software do the same? By documenting our design decisions and rationale behind them will help others be able to understand and maintain implemented systems. This can only be done if the design decisions are correctly mapped to its corresponding implementation. This allows for architectural decisions to be traced from the conceptual model, architectural design and finally to the implementation. Mapping gives software professional a method to trace the reason why specific areas of code were developed verses other options. Just like the pirates we need to able to trace our steps from the start of a project to its implementation,  so that we will understand why specific choices were chosen. The traceability of a software implementation that actually maps back to its originating design decisions is invaluable for ensuring that architectural drifting and erosion does not take place. The drifting and erosion is prevented by allowing others to understand the rational of why an implementation was created in a specific manor or methodology The process of mapping distinct design concerns/decisions to the location of its implemented is called traceability. In this context traceability is defined as method for connecting distinctive software artifacts. This process allows architectural design models and decisions to be directly connected with its physical implementation. The process of mapping architectural design concerns to a software implementation can be very complex. However, most design decision can be placed in  a few generalized categories. Commonly Mapped Design Decisions Design Rationale Components and Connectors Interfaces Behaviors/Properties Design rational is one of the hardest categories to map directly to an implementation. Typically this rational is mapped or document in code via comments. These comments consist of general design decisions and reasoning because they do not directly refer to a specific part of an application. They typically focus more on the higher level concerns. Components and connectors can directly be mapped to architectural concerns. Typically concerns subdivide an application in to distinct functional areas. These functional areas then can map directly back to their originating concerns.Interfaces can be mapped back to design concerns in one of two ways. Interfaces that pertain to specific function definitions can be directly mapped back to its originating concern(s). However, more complicated interfaces require additional analysis to ensure that the proper mappings are created. Depending on the complexity some Behaviors\Properties can be translated directly into a generic implementation structure that is ready for business logic. In addition, some behaviors can be translated directly in to an actual implementation depending on the complexity and architectural tools used. Mapping design concerns to an implementation is a lot of work to maintain, but is doable. In order to ensure that concerns are mapped correctly and that an implementation correctly reflects its design concerns then one of two standard approaches are usually used. All Changes Come From ArchitectureBy forcing all application changes to come through the architectural model prior to implementation then the existing mappings will be used to locate where in the implementation changes need to occur. Allow Changes From Implementation Or Architecture By allowing changes to come from the implementation and/or the architecture then the other area must be kept in sync. This methodology is more complex compared to the previous approach.  One reason to justify the added complexity for an application is due to the fact that this approach tends to detect and prevent architectural drift and erosion. Additionally, this approach is usually maintained via software because of the complexity. Reference:Taylor, R. N., Medvidovic, N., & Dashofy, E. M. (2009). Software architecture: Foundations, theory, and practice Hoboken, NJ: John Wiley & Sons  

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  • To make or not to make...python-nautilus a dependency?

    - by George Edison
    That is the question! Okay, all silliness aside, I really am forced to make a difficult decision here. My application is written in C++ and allows other scripts to invoke methods via XML-RPC. One of these scripts is a Nautilus extension written in Python. The extension is packaged with the rest of the application and copied to the appropriate place when installed (/usr/share/nautilus-python/extensions). Now the problem is that the Nautilus extension requires the python-nautilus package to be installed to be operational. So therefore I have three options: Make the python-nautilus package a dependency. This option will ensure that anyone who installs my package will be able to use the Nautilus extension. However, this option will not be attractive to XFCE or KDE users - a ton of python-nautilus's dependencies will be installed on their machines and take up a lot of space - even if they never use Nautilus. Put the python-nautilus package in the suggests: or recommends: field. This option provides the end-user with a way to avoid installing the python-nautilus package (by providing the --no-install-suggests or --no-install-recommends argument to apt-get). However, this won't work when the user installs the package in the Software Center. (I always get mixed up as to which of those two fields are installed by default.) Prompt the user when the application is installed or first launched. This option is more complicated than the others but offers the best compromise between making it easy for the user to install python-nautilus (without going into a technical explanation) and not installing it when the user doesn't need it (or want it). I guess the best way to implement this is a simple prompt that invokes apt-get if the user would like the package installed. Don't install the package at all. This option ensures that nobody has python-nautilus installed on their machine unless they want it. However, this also means that my Nautilus extension will simply not run on the end-user's machine unless they manually install the package. Which of these options seems the best choice? Have I missed any pros and cons for each of the options?

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  • I didn't mean to become a database developer, but now I am. Should I stop or try to get better?

    - by pretlow majette
    20 years ago I couldn't afford even a cheap POS program when I opened my first surf shop in the Virgin Islands. I bought a copy of Paradox (remember that?) in 1990 and spent months in a back room scratching out a POS application. Over many iterations, including a switch to Access (2000)/SQL Server (2003), I built a POS and backoffice solution that runs four stores with multiple cash registers, a warehouse and office. Until recently, all my stores were connected to the same LAN (in a small shopping center) and performance wasn't an issue. Now that we've opened a location in the States that's changed. Connecting to my local server via the internet has slowed that locations application to a crawl. This is partly due to the slow and crappy dsl service we have in the Virgin Islands, and partly due to my less-than-professional code and sql. With other far-away stores in the works, I need a better solution. I like my application. My staff knows it well, and I'm not inclined to take on the expense of a proper commercial solution. So where does that leave me? I should probably host my sql online to sidestep the slow dsl here. I think I can handle cleaning up my SQL querries to speed that up a bit. What about Access? My version seems so old, but I don't like the newer versions with the 'ribbon'. There are so many options... Should I be learning Visual Studio with an eye on moving completely to the web? Will my VBA skills help me at all there? I don't have the luxury of a year at the keyboard to figure it out anymore. What about dotnetnuke, sharepoint, or lightswitch? They all seem like possibilities, but even understanding their capabilities is daunting. I'm pretty deep into it, but maybe I should bail and hire a consultant or programmer. That sounds expensive tho, and there's no guarantee there either... Any advice would be greatly appreciated. Or, if anybody is interested in buying a small chain of surf shops...

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  • How can I install an old version of libc on 12.04 and is it safe to do so?

    - by mathematician1975
    I am building an application on 12.04 and I need to run it on an embedded device. The device has libc-2.8.90.so on it and my dev machine has libc-2.15.so on it. I would like to install libc-2.8.90 onto my dev machine and attempt to link it to my application. I have searched at the Ubuntu software centre for libc-2.8.90 but I cannot find anything resembling it. Is there a way to install this on my machine from command line?? Also will my system be safe having 2 installed versions of libc at the same time? Can it lead to any instability?

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  • Log of data transfer and copied from Ubuntu

    - by Gaurav_Java
    Yesterday my friend ask me for some files i told him that take it from my system i don't see . what extra files or data he take from my system . I was thinking is here any application or method which shows what data is copied to which USB (if name available then shows name or otherwise device id ). and what data is beign copied to ubuntu machine . It is some like history of USB and System data . i think this feature is in KDE this will really useful in may ways. it provides real time and monitoring utility to monitor USB mass storage devices activities on any machine .

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  • SQL?????!????????????????? ~ DBA????APEX

    - by Yuichi.Hayashi
    Oracle Application Express(Oracle APEX)????????????Web????????????????DBA??????·???????????????? SQL?????!????·????????????????????? SQL????????????SQL??????????????????????? Oracle Apex???????????????????????????????SQL??????????????????????????????????? Oracle DB10g????????????iSQLPLUS????????????????????????????????????? SQL?????????CSV???????????? ??·?????????????????????? ????: SQL??????????? ??????: SQL??????????? ?DESCRIBE?: ??????SQL?: SQL?????????????????????????????? ????: ?????SQL???????????? APEX?????????????????????????????????? APEX(Oracle Application Express)????~??????????????????????

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  • How to layout dll or com when develop windows application with .net?

    - by ziang
    Is there any resources that how to create windows application especially for how to design the dll to wrap the api call or the similar? It seems that people don't compile the entire project into a single exe for release and what is the best practice to architect the windows application component based on MVC pattern? Is there any resources or any good book on this topic? Thanks!

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  • How a war file gets deployed in any application server?

    - by gurukulki
    I know that when a war file is created of my web application, i have to deploy it, that is if i am using JBoss i have to copy it to deploy folder and if using WAS i have to install it. But i want to know, When i start the server from where the server starts deploying my application. that is which is the entry point to start loading my classes, properties ,DB connections etc.. Thanks.

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