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  • How to pass a random User/Pass (for Basic Authentication) with JMeter?

    - by Pure.Krome
    Hi folks, I'm using JMeter to stress test an API. I've got Basic Authentication set up - seems to be working great. Now, i'm trying to randomize the credentials that JMeter passes across the wire. So, there's two ways I know I can do this. Add a custom HTTP Header (via an HTTP Header Manager Element) and set then value to the random fields (ie. something I've read in from a csv file) Use the HTTP Authorization Manager Element and pass in the username and password there. Now, if I try and use method (1) above, I need to create the following header/data :- Authorization: Basic <some Base64 encoded string in the format username:password> eg. Authorization: Basic OnVzZXIxOnBhc3Mx Kewl. simple. BUT that header value is not getting passed across the wire :( I can add any other header type and it's passed across the wire.. hmm .. ok then .. lets try method (2). Now that works .. but I can only hardcode in the username & password. I can't see how I can pass in a username VARIABLE (ie. ${usernmae} ) or a password VARIABLE (ie. ${password} ).... If it's hardcoded, then the server correctly replies with the correct page/data. so .. can someone please help?

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  • Delegates in .NET: how are they constructed ?

    - by Saulius
    While inspecting delegates in C# and .NET in general, I noticed some interesting facts: Creating a delegate in C# creates a class derived from MulticastDelegate with a constructor: .method public hidebysig specialname rtspecialname instance void .ctor(object 'object', native int 'method') runtime managed { } Meaning that it expects the instance and a pointer to the method. Yet the syntax of constructing a delegate in C# suggests that it has a constructor new MyDelegate(int () target) where I can recognise int () as a function instance (int *target() would be a function pointer in C++). So obviously the C# compiler picks out the correct method from the method group defined by the function name and constructs the delegate. So the first question would be, where does the C# compiler (or Visual Studio, to be precise) pick this constructor signature from ? I did not notice any special attributes or something that would make a distinction. Is this some sort of compiler/visualstudio magic ? If not, is the T (args) target construction valid in C# ? I did not manage to get anything with it to compile, e.g.: int () target = MyMethod; is invalid, so is doing anything with MyMetod, e.g. calling .ToString() on it (well this does make some sense, since that is technically a method group, but I imagine it should be possible to explicitly pick out a method by casting, e.g. (int())MyFunction. So is all of this purely compiler magic ? Looking at the construction through reflector reveals yet another syntax: Func CS$1$0000 = new Func(null, (IntPtr) Foo); This is consistent with the disassembled constructor signature, yet this does not compile! One final interesting note is that the classes Delegate and MulticastDelegate have yet another sets of constructors: .method family hidebysig specialname rtspecialname instance void .ctor(class System.Type target, string 'method') cil managed Where does the transition from an instance and method pointer to a type and a string method name occur ? Can this be explained by the runtime managed keywords in the custom delegate constructor signature, i.e. does the runtime do it's job here ?

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  • Best way to convert wpf triggers to silverlight?

    - by Stewart Armbrecht
    I have developed several custom controls in a wpf application that use triggers. what is the fastest way to convert the code so that I have a single code base that works both in the wpf application and the silverlight applicaiton. Here is a sample of the code: <Style x:Key="sButtonAction" TargetType="Button"> <!--<Setter Property="BitmapEffect" Value="{StaticResource BannerEffect}" />--> <Setter Property="Height" Value="25" /> <Setter Property="Margin" Value="4" /> <Setter Property="Cursor" Value="Hand" /> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="Button"> <Border x:Name="PART_Border" CornerRadius="10" BorderThickness="{StaticResource sBorderThicknessStandard}" BorderBrush="{StaticResource bColorBorder}" Background="{StaticResource ButtonActionBackground}"> <TextBlock x:Name="PART_TextBlock" Margin="5,2,5,2" HorizontalAlignment="Center" VerticalAlignment="Center" Foreground="White"> <ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center" /></TextBlock> </Border> <ControlTemplate.Triggers> <Trigger Property="IsMouseOver" Value="True"> <Setter TargetName="PART_TextBlock" Property="Foreground" Value="#990000"></Setter> </Trigger> <Trigger Property="IsPressed" Value="True"> <Setter TargetName="PART_Border" Property="Background" Value="{StaticResource ButtonActionBackgroundSelected}"></Setter> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter> </Style>

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  • How to open a help webpage after installation is complete

    - by Kapil
    I have built an installer for my windows app using the VisualStudio 2008 IDE. I also use some custom-actions to do a few extra stuff at the time of installation/uninstallation. What I also want to do is that when the installation is completed, the installer should launch a help webpage or a getting-started page for the users to know how to go ahead with the app. I am doing the following for this: private void CustomInstaller_Committed(object sender, InstallEventArgs e) { System.Windows.Forms.LinkLabel lbl = new System.Windows.Forms.LinkLabel(); lbl.Links.Remove(lbl.Links[0]); lbl.Links.Add(0, lbl.Text.Length, "http://www.mywebsite.com/help.aspx"); ProcessStartInfo pInfo = new ProcessStartInfo(lbl.Links[0].LinkData.ToString()); Process.Start(pInfo); } Also, I set the event handler as such: this.Committed += new InstallEventHandler(CustomInstaller_Committed); This is launching the webpage, but not at the right point in the flow where I would have wanted it. It launches the IE browser even before the user dismisses the installation window (i.e clicks 'Close' in the Installation Completed dialog box). I want the webpage to open only when the user finally dismisses the installation. Any ideas how can I achieve this? Thanks, Kapil

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  • Database structure and source control - best practice

    - by Paddy
    Background I came from several years working in a company where all the database objects were stored in source control, one file per object. We had a list of all the objects that was maintained when new items were added (to allow us to have scripts run in order and handle dependencies) and a VB script that ran to create one big script for running against the database. All the tables were 'create if not exists' and all the SP's etc. were drop and recreate. Up to the present and I am now working in a place where the database is the master and there is no source control for DB objects, but we do use redgate's tools for updating our production database (SQL compare), which is very handy, and requires little work. Question How do you handle your DB objects? I like to have them under source control (and, as we're using GIT, I'd like to be able to handle merge conflicts in the scripts, rather than the DB), but I'm going to be pressed to get past the ease of using SQL compare to update the database. I don't really want to have us updating scripts in GIT and then using SQL compare to update the production database from our DEV DB, as I'd rather have 'one version of the truth', but I don't really want to get into re-writing a custom bit of software to bundle the whole lot of scripts together. I think that visual studio database edition may do something similar to this, but I'm not sure if we will have the budget for it. I'm sure that this has been asked to death, but I can't find anything that seems to quite have the answer I'm looking for. Similar to this, but not quite the same: http://stackoverflow.com/questions/340614/what-are-the-best-practices-for-database-scripts-under-code-control

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  • latex list environment inside the tabular environment: extra line at top preventing alignment

    - by Usagi
    Hello good people of stackoverflow. I have a LaTeX question that is bugging me. I have been trying to get a list environment to appear correctly inside the tabular environment. So far I have gotten everything to my liking except one thing: the top of the list does not align with other entries in the table, in fact it looks like it adds one line above the list... I would like to have these lists at the top. This is what I have, a custom list environment: \newenvironment{flushemize}{ \begin{list}{$\bullet$} {\setlength{\itemsep}{1pt} \setlength{\parskip}{0pt} \setlength{\parsep}{0pt} \setlength{\partopsep}{0pt} \setlength{\topsep}{0pt} \setlength{\leftmargin}{12pt}}}{\end{list}} Renamed ragged right: \newcommand{\rr}{\raggedright} and here is my table: \begin{table}[H]\caption{Tank comparisons}\label{tab:tanks} \centering \rowcolors{2}{white}{tableShade} \begin{tabular}{p{1in}p{1.5in}p{1.5in}rr} \toprule {\bf Material} & {\bf Pros} & {\bf Cons} & {\bf Size} & {\bf Cost} \\ \midrule \rr Reinforced concrete &\rr \begin{flushemize}\item Strong \item Secure \end{flushemize}&\rr \begin{flushemize}\item Prone to leaks \item Relatively expensive to install \item Heavy \end{flushemize} & 100,000 gal & \$299,400 \\ \rr Steel & \begin{flushemize}\item Strong \item Secure \end{flushemize} & \begin{flushemize}\item Relatively expensive to install \item Heavy \item Require painting to prevent rusting \end{flushemize} & 100,000 gal & \$130,100 \\ \rr Polypropylene & \begin{flushemize}\item Easy to install \item Mobile \item Inexpensive \item Prefabricated \end{flushemize} & \begin{flushemize}\item Relatively insecure \item Max size available 10,000 gal \end{flushemize} & 10,000 gal & \$5,000 \\ \rr Wood & \begin{flushemize}\item Easy to install \item Mobile \item Cheap to install \end{flushemize} & \begin{flushemize}\item Prone to rot \item Must remain full once constructed \end{flushemize} & 100,000 gal & \$86,300\\ \bottomrule \end{tabular} \end{table} Thank you for any advice :)

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  • How to create a folder under %allusersprofile% during Setup with VS 2003 Setup Project?

    - by Romias
    I need to create a folder under "%allusersprofile%/Program Data" during the install process. The Setup file is created with VS 2003 setup project, and in it you can use several Known Folders... but as I see none maps to %allusersprofile% or "%allusersprofile%/Program Data". I thought that creating a "Custom Folder" (within VS Setup Project) and setting the TargetLocation as %allusersprofile% it would work, but during install it says that I don't have permission to that folder (and I do have). Do you know how to target that folder in VS Setup Project? Also... I'm working in Windows XP, so %allusersprofile% maps to "C:\Documents and Settings\All Users", but there I suppose I should create my folder inside the "Program Data" folder. In Vista, %allusersprofile% maps to "C:\ProgramData" and it look correct if I create my folder directly there. Any idea how to target both OSs? Additional info: I'm trying this to avoid the new security features in Vista, where the app can't write files under the Program Files folder when running as a common user at least. So I need to place the writable files on "common" folder that is not in a "per user" basis.

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  • OLAP Web Visualization and Reporting Recommendations

    - by Gok Demir
    I am preparing an offer for a customer. They proide weekly data to different organizations. There is huge amount data suits OLAP that needed to be visualized with charts and pivot tables on web and custom reports will be built by non-it persons (an easy gui). They will enter a date range, location which data columns to be included and generate report and optionally export the data to Excel. They currently prepare reports with MS Excel with Pivot Tables and but they need a better online tool now to show data to their customers. Tables are huge and need of drill-down functionality. My current knowledge Spring, Flex, MySql, Linux. I have some knowledge of PostgreSQL and MSSQL and Windows. What is the easiest way of doing this project. Do you think that SSRP (haven't tried yet) and ASP.NET better suits for this kind of job. Actually I prefer open source solutions. Flex have OLAP Data Grid control which do aggregation on client side. JasperServer seems promising but it seems I need enterprise version (multiple organizations and ad hoc queries). What about Modrian + Flex + PostgreSQL solution? Any previous experience will be appreciated. Yes I am confused with options.

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  • PHP XML Validation

    - by efritz
    What's the best way to validate an XML file (or a portion of it) against multiple XSD files? For example, I have the following schema for a configuration loader: <xsd:schema xmlns="http://www.kauriproject.org/schema/configuration" xmlns:xsd="http://www.w3.org/2001/XMLSchema" targetNamespace="http://www.kauriproject.org/schema/configuration" elementFormDefault="qualified"> <xsd:element name="configuration" type="configuration" /> <xsd:complexType name="configuration"> <xsd:choice maxOccurs="unbounded"> <xsd:element name="import" type="import" minOccurs="0" maxOccurs="unbounded" /> <xsd:element name="section" type="section" /> </xsd:choice> </xsd:complexType> <xsd:complexType name="section"> <xsd:sequence> <xsd:any minOccurs="0" maxOccurs="unbounded" processContents="lax" /> </xsd:sequence> <xsd:attribute name="name" type="xsd:string" use="required" /> <xsd:attribute name="type" type="xsd:string" use="required" /> </xsd:complexType> <xsd:complexType name="import" mixed="true"> <xsd:attribute name="resource" type="xsd:string" /> </xsd:complexType> </xsd:schema> As the Configuration class exists now, it lets one add a <section> tag with a define concrete parser class (much like custom configuration sections in ASP.NET). However, I'm unsure of how to validate the section being parsed. If it possible to validate just this section of code with an XSD file/string without writing it back to a file?

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  • Designing a fluid Javascript interface to abstract away the asynchronous nature of AJAX

    - by Anurag
    How would I design an API to hide the asynchronous nature of AJAX and HTTP requests, or basically delay it to provide a fluid interface. To show an example from Twitter's new Anywhere API: // get @ded's first 20 statuses, filter only the tweets that // mention photography, and render each into an HTML element T.User.find('ded').timeline().first(20).filter(filterer).each(function(status) { $('div#tweets').append('<p>' + status.text + '</p>'); }); function filterer(status) { return status.text.match(/photography/); } vs this (asynchronous nature of each call is clearly visible) T.User.find('ded', function(user) { user.timeline(function(statuses) { statuses.first(20).filter(filterer).each(function(status) { $('div#tweets').append('<p>' + status.text + '</p>'); }); }); }); It finds the user, gets their tweet timeline, filters only the first 20 tweets, applies a custom filter, and ultimately uses the callback function to process each tweet. I am guessing that a well designed API like this should work like a query builder (think ORMs) where each function call builds the query (HTTP URL in this case), until it hits a looping function such as each/map/etc., the HTTP call is made and the passed in function becomes the callback. An easy development route would be to make each AJAX call synchronous, but that's probably not the best solution. I am interested in figuring out a way to make it asynchronous, and still hide the asynchronous nature of AJAX.

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  • Maven: compile aspectj project containing Java 1.6 source

    - by gmale
    What I want to do is fairly easy. Or so you would think. However, nothing is working properly. Requirement: Using maven, compile Java 1.6 project using AspectJ compiler. Note: Our code cannot compile with javac. That is, it fails compilation if aspects are not woven in (because we have aspects that soften exceptions). Questions (based on failed attempts below): Either 1) How do you get maven to run the aspectj:compile goal directly, without ever running compile:compile? 2) How do you specify a custom compilerId that points to your own ajc compiler? Thanks for any and all suggestions. These are the things I've tried that have let to my problem/questions: Attempt 1 (fail): Specify aspectJ as the compiler for the maven-compiler-plugin: org.apache.maven.plugins maven-compiler-plugin 2.2 1.6 1.6 aspectj org.codehaus.plexus plexus-compiler-aspectj 1.8 This fails with the error: org.codehaus.plexus.compiler.CompilerException: The source version was not recognized: 1.6 No matter what version of the plexus compiler I use (1.8, 1.6, 1.3, etc), this doesn't work. I actually read through the source code and found that this compiler does not like source code above Java 1.5. Attempt 2 (fail): Use the aspectJ-maven-plugin attached to the compile and test-compile goals: org.codehaus.mojo aspectj-maven-plugin 1.3 1.6 1.6 compile test-compile This fails when running either: mvn clean test-compile mvn clean compile because it attempts to execute compile:compile before running aspectj:compile. As noted above, our code doesn't compile with javac--the aspects are required. So mvn would need to skip the compile:compile goal altogether and run only aspectj:compile. Attempt 3 (works but unnacceptable): Use the same configuration above but instead run: mvn clean aspectj:compile This works, in that it builds successfully but it's unacceptable in that we need to be able to run the compile goal and the test-compile goal directly (m2eclipse auto-build depends on those goals). Moreover, running it this way would require that we spell out every goal we want along the way (for instance, we need resources distributed and tests to be run and test resources deployed, etc)

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  • MS Ajax FilteredTextBox stopped working

    - by TenaciousImpy
    Hi, I'm using Microsoft's AJAX library via their CDN. Everything was going fine in an old project. I then created a new project and copied and pasted some of the AJAX code hoping that it would work. However, my code isn't working and I've been struggling to figure out why. I'm trying to implement a filtered textbox: <script src="http://ajax.microsoft.com/ajax/jquery/jquery-1.4.2.js" type="text/javascript"></script> <script src="http://ajax.microsoft.com/ajax/beta/0911/Start.debug.js" type="text/javascript"></script> <script src="http://ajax.microsoft.com/ajax/beta/0911/extended/ExtendedControls.debug.js" type="text/javascript"></script> <script type="text/javascript"> $(document).ready(function() { Sys.require(Sys.components.filteredTextBox, function() { $("[id$='UserName']").filteredTextBox({ InvalidChars: ".", FilterType: Sys.Extended.UI.FilterTypes.Numbers | Sys.Extended.UI.FilterTypes.UppercaseLetters | Sys.Extended.UI.FilterTypes.LowercaseLetters | Sys.Extended.UI.FilterTypes.Custom, FilterMode: Sys.Extended.UI.FilterModes.ValidChars }); }); }); </script> When I run this, the textbox isn't filtered and I can enter any character. In Chrome, I used the Dev Tools and it found two errors on the page. In my .aspx page, I have: Uncaught TypeError: Cannot read property 'Numbers' of undefined (regarding the Sys.Extended.UI.FilterTypes.Numbers in the code above). In filteredtextboxbehavior.debug.js, I have the error: Uncaught TypeError: Object #<an Object> has no method 'registerComponent' Any ideas why I'm getting this error? The code has been working previously so I'm not sure if I had added any extra settings in my old project which the new one doesn't have. Thanks! ps:The textbox can be found as any other actions on it are recognized.

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  • Flash/Flex: "Warning: filter will not render" problem

    - by davidemm
    In my flex application, I have a custom TitleWindow that pops up in modal fashion. When I resize the browser window, I get this warning: Warning: Filter will not render. The DisplayObject’s filtered dimensions (1286, 107374879) are too large to be drawn. Clearly, I have nothing set with a height of 107374879. After that, any time I mouse over anything in the Flash Player (v. 10), the CPU churns at 100%. When I close the TitleWindow, the problem subsides. Sadly, the warning doesn't seem to indicate which DisplayObject object is too large to draw. I've tried attaching explicit height/widths to the TitleWindow and the components within, but still no luck. [Edit] The plot thickens: I found that the problem only occures when I set the PopUpManager's createPopUp modal parameter to "true." I don't see the behavior when modal is set to "false." It's failing while applying the graying filter to other components that comes from being modal. Any ideas how I can track down the one object that has not been initialized but is being filter during the modal phase? Thanks for reading.

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  • Java parsing XML document gives "Content not allowed in prolog." error

    - by thechiman
    I am writing a program in Java that takes a custom XML file and parses it. I'm using the XML file for storage. I am getting the following error in Eclipse. [Fatal Error] :1:1: Content is not allowed in prolog. org.xml.sax.SAXParseException: Content is not allowed in prolog. at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:239) at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:283 ) at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:208) at me.ericso.psusoc.RequirementSatisfier.parseXML(RequirementSatisfier.java:61) at me.ericso.psusoc.RequirementSatisfier.getCourses(RequirementSatisfier.java:35) at me.ericso.psusoc.programs.RequirementSatisfierProgram.main(RequirementSatisfierProgram.java:23 ) The beginning of the XML file is included: <?xml version="1.0" ?> <PSU> <Major id="IST"> <name>Information Science and Technology</name> <degree>B.S.</degree> <option> Information Systems: Design and Development Option</option> <requirements> <firstlevel type="General_Education" credits="45"> <component type="Writing_Speaking">GWS</component> <component type="Quantification">GQ</component> The program is able to read in the XML file but when I call DocumentBuilder.parse(XMLFile) to get a parsed org.w3c.dom.Document, I get the error above. It doesn't seem to me that I have invalid content in the prolog of my XML file. I can't figure out what is wrong. Please help. Thanks.

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  • How to map IDictionary<string, object> in Fluent NHibernate?

    - by user298221
    I am looking to persist user preferences into a collection of name value pairs, where the value may be an int, bool, or string. There are a few ways to skin this cat, but the most convenient method I can think of is something like this: public class User { public virtual IDictionary<string, object> Preferences { get; set; } } with its usage as: user.Preferences["preference1"] = "some value"; user.Preferences["preference2"] = 10; user.Preferences["preference3"] = true; var pref = (int)user.Preferences["preference2"]; I'm not sure how to map this in Fluent NHibernate, though I do think it is possible. Generally, you would map a simpler Dictionary<string, string> as: HasMany(x => x.Preferences) .Table("Preferences") .AsMap("preferenceName") .Element("preferenceValue"); But with a type of 'object', NHibernate doesn't know how to deal with it. I imagine a custom UserType could be created that breaks an 'object' down to a string representing its Type and a string representing the value. We would have a table that looks kind of like this: Table Preferences userId (int) preferenceName (varchar) preferenceValue (varchar) preferenceValueType (varchar) and the hibernate mapping would like this: <map name="Preferences" table="Preferences"> <key column="userId"></key> <index column="preferenceName" type="String" /> <element type="ObjectAsStringUserType, Assembly"> <column name="preferenceValue" /> <column name="preferenceValueType"/> </element> </map> I'm not sure how you would map this in Fluent NHibernate. Maybe there's a better way to do this, or maybe I should just suck it up and use IDictionary<string, string>. Any ideas?

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  • ASP.NET MVC TextBoxFor helper rendering empty when null

    - by mare
    I noticed that TextBoxFor helper renders empty if there is no model, like for instance when I have a CreateEdit ViewUserControl. When in Edit view fields are filled in, when in Create fields are empty but still rendered. The problem is TextBoxFor does not accept different Id for its name (the same as LabelFor and others, but for LabelFor I have custom Html helpers). So in some case we still have to use regular Html.TextBox helper. The problem is if I write this <%=Html.TextBox("postname", Model.PostCode.postname, new { @class = "postsDropDown" })%> an error occurs in Create view (obviously). So I have to do this: <% if (Model != null) %> <%=Html.TextBox("postname", Model.PostCode.postname, new { @class = "postsDropDown" })%> <% else %> <%=Html.TextBox("postname", null, new { @class = "postsDropDown" })%> Now that is something which I don't like anymore (the IF's). Is this the only way to do it? I know I could extend TextBoxFor helpers also but seems like so much trouble. In the end we will come to extending all of the "For" helpers but I think this should be done by ASP.NET MVC team already (built-in).

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  • Changing UITableViewCell textLabel background color to clear

    - by SorinA.
    In my app i have a table view with customViewCells. i subclassed the UITableViewCell class and added an image that will load async and for the text i use cell.textLabel.text = @"someThext". for the cells the background color is set alternatively to [UIColor darkGrayColor] and whitecolor. When i run the app in the simulator and on the pone the textLabel of the cell has the background white. I want to set it to be clear, because i want the background color of the cell to be full not a strip then white then another strip. in the init method of my custom cell i added hoping that the white will turn into red but it doesn't have any effect. [self.textLabel setBackgroundColor:[UIColor redColor]]; i tried also self.textLabel.backgroundColor = [UIColor redColor]; but this also didn't work...if i add a UILabel as a subview the background color of the label can be set..but i don't want to do that because when i rotate the phone i want my labels to auto enlarge... any ideas why setting the background color of cell.textLabel doesn't work? thank you

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  • sharing build artifacts between jobs in hudson

    - by programming panda
    Hi I'm trying to set up our build process in hudson. Job 1 will be a super fast (hopefully) continuous integration build job that will be built frequently. Job 2, will be responsible for running a comprehensive test suite, at a regular interval or triggered manually. Job 3 will be responsible for running analysis tools across the codebase (much like Job 2). I tried using the "Advanced Projects Options use custom workspace" feature so that code compiled in Job 1 can be used in Job 2 and 3. However, it seems that all build artifacts remain inside that Job 1 workspace. I'm I doing this right? Is there a better way of doing this? I guess I'm looking for something similar to a build pipeline setup...so that things can be shared and the appropriate jobs can be executed in stages. (I also considered using 'batch tasks'...but it seems like those can't be scheduled? only triggered manually?) Any suggestions are welcomed. Thanks!

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  • How does one use OpenFileDialog in C# in visual Studio 2010

    - by xarzu
    I have written a custom dialog (form) that I can use in a C# program that behaves much like a "File - Open" menu command and brings up a window where a user can select a file or directory. The question I have is this. It has "My Computer" as its root. How can I have it so that it searches on a Network? If the file or directory is located on a network. Or better yet, in Visual Studio 2010, is there some sort of canned FileOpenDialog that I can use right away? I tried calling the OpenFileDialog as described in the example code at http://msdn.microsoft.com/en-us/library/system.windows.forms.openfiledialog.aspx but the compiler does not seem to like DialogResult.OK as used in this line of code: if(openFileDialog1.ShowDialog() == DialogResult.OK) The compiler says: Error 1 'System.Nullable' does not contain a definition for 'OK' and no extension method 'OK' accepting a first argument of type 'System.Nullable' could be found (are you missing a using directive or an assembly reference?) I tried using the namespace Microsoft.Win32 instead of System.Windows.Forms and neither worked. They both produced this error.

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  • Quartz compositions created in Snow Leopard (10.6) doesn't work in Leopard (10.5) despite testing in

    - by adib
    Hi I have a reasonably advanced (many patches and subpatches) quartz composition that was created in Snow Leopard but doesn't run well (many elements are not rendered) in Leopard. The composition tested OK via Quartz Composer's Test in Runtime option and works fine for both Leopard 32-bits and Leopard 64-bits (menu item "File | Test in Runtime | Leopard 32-bits". In an actual Leopard (32-bits) system, a lot of elements are not rendered in the quartz composition. Below are the log file excerpt when the composition is run in QuickTime Player under Leopard: QuickTime Player[134] *** <QCNodeManager | namespace = "com.apple.QuartzComposer" | 335 nodes>: Patch with name "/units to pixels" is missing QuickTime Player[134] *** Message from <QCPatch = 0x06D82880 "(null)">:Cannot create node of class "/units to pixels" and identifier "(null)" QuickTime Player[134] *** Message from <QCPatch = 0x06D7C130 "(null)">:Cannot create node of class "/resize image to target" and identifier "(null)" QuickTime Player[134] *** Message from <QCPatch = 0x06D7C130 "(null)">:Cannot create connection from ["outputValue" @ "Math_1"] to ["Target_Pixels" @ "Patch_2"] The patch "units to pixels" is a system patch in Snow Leopard whereas the patch "resize image to target" is a custom virtual patch located in my home directory. It seems that we can cross out problems in which the composition is referencing a missing virtual patch. I have tested the composition under another user's account and it ran fine which shows that it already embeds the "resize image to target" virtual patch that is located in my home directory. I'm really puzzled why the composition passes the Leopard Runtime test but yet fail to run in an actual Leopard OS? Is there a post-processing step that I need to run to the composition file? Is there any way to make this patch more compatible with Leopard? Thanks in advance.

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  • Inserting a Variable String into the javascript prototype expression

    - by webzide
    Dear experts, Pardon me for giving you a confusing title on this problem. I'm really confused and i don't know how to put it in other words. So here is what I what to accomplish. I am making a Custom Javascript Object to store data. I have automated this process and inserted each instance of the object into an array. I am making a loop statement to invoke the unique property value of each instance of the object. When I want to use an expression, the property name of the object would be variable since i don't know which one it is. Basically I need to incorporate a string value into the prototype expression. e.g document.getElementById('text').style."fontsize"=value; since I cannot do this directly, i thought possibly I could use the eval function: eval('document.getElementById("text").style.' + buttons[i].cssvalue + '="39px";'); but this still doesn't work. Can this be fixed or ss there an alternative way to accomplish this? If there are some unclear stuff, please point out and I will try to elaborate. Thanks in advance.

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  • .NET OwnerDraw ComboBox: Vista/7 themed DropDownList

    - by Stijn
    I'm working on a custom ComboBox for a project, and have the basic painting working. One of the remaining things to do is make it look like the default ComboBox in Vista and 7, when the DropDownStyle is set to DropDownList (looks like a button instead of a regular ComboBox). I read much about VisualStyleRenderer, read ComboBox.cs and ComboBoxRenderer.cs, and tried to get it working. It works in the sense of, it does something. It just doesn't do what it's supposed to do. I also found an article about Vista themed Owner-Drawn Buttons, but it is in C++ (which would be a challenge on its own for me) and it seems like an awful lot of code. If anyone could supply either VB or C# code, that would be great. Below is my current code. Public Sub New() DrawMode = Windows.Forms.DrawMode.OwnerDrawFixed ItemHeight *= 2 DropDownStyle = ComboBoxStyle.DropDownList End Sub Protected Overrides Sub OnDrawItem(ByVal e As System.Windows.Forms.DrawItemEventArgs) If e.Index = -1 Then Return End If If Not (e.State = DrawItemState.Selected) Then e.DrawBackground() End If Dim brsh As Brush If (e.State And DrawItemState.Focus) = DrawItemState.Focus And (e.State And DrawItemState.Selected) = DrawItemState.Selected Then brsh = SystemBrushes.HighlightText Else brsh = SystemBrushes.ControlText End If e.DrawFocusRectangle() e.Graphics.DrawString(Items(e.Index), e.Font, brsh, e.Bounds) End Sub

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  • Proper way to cleanup dynamic engines and can they be loaded twice?

    - by Becky
    Hello - I am having problems loading Engine PKCS #11 as a dynamic engine using python and M2Crypto. I am trying to access an Aladdin USB eToken. Here are the important steps from my python code: dynamic = Engine.load_dynamic_engine("pkcs11", "/usr/local/ssl/lib/engines/engine_pkcs11.so") pkcs11 = Engine.Engine("pkcs11") pkcs11.ctrl_cmd_string("MODULE_PATH", "/usr/lib/libeTPkcs11.so") pkcs11.engine_init_custom() # initialize engine with custom M2Crypto patch # next few steps which I deleted pass password and grab key & cert off token Engine.cleanup() This works fine the first time this method gets run. The second time, it fails when loading the dynamic engine (see error below). Traceback (most recent call last): File "", line 1, in ? File "/usr/local/lib/python2.4/site-packages/M2Crypto/Engine.py", line 98, in load_dynamic_engine e.ctrl_cmd_string("LOAD", None) File "/usr/local/lib/python2.4/site-packages/M2Crypto/Engine.py", line 38, in ctrl_cmd_string raise EngineError(Err.get_error()) M2Crypto.Engine.EngineError: 4002:error:260B606D:engine routines:DYNAMIC_LOAD:init failed:eng_dyn.c:521: Is it impossible to load engines twice in a python session? Am I missing some kind of engine cleanup/deletion? The OpenSSL docs talk about engine_finish() but I don't think M2Crypto offers that. Is there a method to tell if the engine is already loaded? Thanks!

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  • RIA Services: Inserting multiple presentation-model objects

    - by nlawalker
    I'm sharing data via RIA services using a presentation model on top of LINQ to SQL classes. On the Silverlight client, I created a couple of new entities (album and artist), associated them with each other (by either adding the album to the artist's album collection, or setting the Artist property on the album - either one works), added them to the context, and submitted changes. On the server, I get two separate Insert calls - one for the album and one for the artist. These entitites are new so their ID values are both set to the default int value (0 - keep in mind that depending on my DB, this could be a valid ID in the DB) because as far as I know you don't set IDs for new entities on the client. This all would work fine if I was transferring the LINQ to SQL classes via my RIA services, because even though the Album insert includes the Artist and the Artist insert includes the Album, both are Entities and the L2S context recognizes them. However, with my custom presentation model objects, I need to convert them back to the LINQ to SQL classes maintaining the associations in the process so they can be added to the L2S context. Put simply, as far as I can tell, this is impossible. Each entity gets its own Insert call, but there's no way you can just insert the one entity because without IDs the associations are lost. If the database used GUID identifiers it would be a different story because I could set those on the client. Is this possible, or should I be pursuing another design?

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  • CSS Caching and User-CUstomized CSS - Any Suggestions?

    - by Joe
    I'm just trying to figure out the best approach here... my consideration is that I'd like my users to be able to customize the colors of certain elements on the page. These are not pre-made css they can choose from, but rather styles that can be edited using javascript to change the style, so they cannot be "pre-made" into separate style sheets. I am also generating the css into a cache directory since I am generating the css through a PHP script. I am thinking that, perhaps I should: 1) If cached css file doesn't exist, create css file using the website default style settings. 2) If cached css file does exist, check if user has custom settings, if so, edit the cache file before displaying it. Btw, when I refer to "cached file" I mean the PHP generated css document. My goal is to prevent the need to have PHP re-generate the css file each time, whilst still allowing users, when logged in, to have their customized css settings applied. I will store these settings in a database most likely so when they return it is saved for them when they login.

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