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  • Simple Project Templates

    - by Geertjan
    The NetBeans sources include a module named "simple.project.templates": In the module sources, Tim Boudreau turns out to be the author of the code, so I asked him what it was all about, and if he could provide some usage code. His response, from approximately this time last year because it's been sitting in my inbox for a while, is below. Sure - though I think the javadoc in it is fairly complete.  I wrote it because I needed to create a bunch of project templates for Javacard, and all of the ways that is usually done were grotesque and complicated.  I figured we already have the ability to create files from templates, and we already have the ability to do substitutions in templates, so why not have a single file that defines the project as a list of file templates to create (with substitutions in the names) and some definitions of what should be in project properties. You can also add files to the project programmatically if you want.Basically, a template for an entire project is a .properties file.  Any line which doesn't have the prefix 'pp.' or 'pvp.' is treated as the definition of one file which should be created in the new project.  Any such line where the key ends in * means that file should be opened once the new project is created.  So, for example, in the nodejs module, the definition looks like: {{projectName}}.js*=Templates/javascript/HelloWorld.js .npmignore=node_hidden_templates/npmignore So, the first line means:  - Create a file with the same name as the project, using the HelloWorld template    - I.e. the left side of the line is the relative path of the file to create, and the right side is the path in the system filesystem for the template to use       - If the template is not one you normally want users to see, just register it in the system filesystem somewhere other than Templates/ (but remember to set the attribute that marks it as a template)  - Include that file in the set of files which should be opened in the editor once the new project is created. To actually create a project, first you just create a new ProjectCreator: ProjectCreator gen = new ProjectCreator( parentFolderOfNewProject ); Now, if you want to programmatically generate any files, in addition to those defined in the template, you can: gen.add (new FileCreator("nbproject", "project.xml", false) {     public DataObject create (FileObject project, Map<String,String> substitutions) throws IOException {          ...     } }); Then pass the FileObject for the project template (the properties file) to the ProjectCreator's createProject method (hmm, maybe it should be the string path to the project template instead, to save the caller trouble looking up the FileObject for the template).  That method looks like this: public final GeneratedProject createProject(final ProgressHandle handle, final String name, final FileObject template, final Map<String, String> substitutions) throws IOException { The name parameter should be the directory name for the new project;  the map is the strings you gathered in the wizard which should be used for substitutions.  createProject should be called on a background thread (i.e. use a ProgressInstantiatingIterator for the wizard iterator and just pass in the ProgressHandle you are given). The return value is a GeneratedProject object, which is just a holder for the created project directory and the set of DataObjects which should be opened when the wizard finishes. I'd love to see simple.project.templates moved out of the javacard cluster, as it is really useful and much simpler than any of the stuff currently done for generating projects.  It would also be possible to do much richer tools for creating projects in apisupport - i.e. choose (or create in the wizard) the templates you want to use, generate a skeleton wizard with a UI for all the properties you'd like to substitute, etc. Here is a partial project template from Javacard - for example usage, see org.netbeans.modules.javacard.wizard.ProjectWizardIterator in javacard.project (or the much simpler one in contrib/nodejs). #This properties file describes what to create when a project template is#instantiated.  The keys are paths on disk relative to the project root. #The values are paths to the templates to use for those files in the system#filesystem.  Any string inside {{ and }}'s will be substituted using properties#gathered in the template wizard.#Special key prefixes are #  pp. - indicates an entry for nbproject/project.properties#  pvp. - indicates an entry for nbproject/private/private.properties #File templates, in format [path-in-project=path-to-template]META-INF/javacard.xml=org-netbeans-modules-javacard/templates/javacard.xmlMETA-INF/MANIFEST.MF=org-netbeans-modules-javacard/templates/EAP_MANIFEST.MF APPLET-INF/applet.xml=org-netbeans-modules-javacard/templates/applet.xmlscripts/{{classnamelowercase}}.scr=org-netbeans-modules-javacard/templates/test.scrsrc/{{packagepath}}/{{classname}}.java*=Templates/javacard/ExtendedApplet.java nbproject/deployment.xml=org-netbeans-modules-javacard/templates/deployment.xml#project.properties contentspp.display.name={{projectname}}pp.platform.active={{activeplatform}} pp.active.device={{activedevice}}pp.includes=**pp.excludes= I will be using the above info in an upcoming blog entry and provide step by step instructions showing how to use them. However, anyone else out there should have enough info from the above to get started yourself!

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  • How should I structure a solution for a long term project?

    - by sooprise
    I'm about to create a do-everything dashboard for my team and am still having second thoughts about my project/solution structure. Since this could be a long ongoing project, I want to get the structure right from the beginning. This is what I had in mind: Create a solution named "doEverythingDashboard" Delete the project named "doEverythingDashboard" under the solution "doEverythingDashboard" Create winform project named "interface" Create console applications projects for each functionality of "doEverythingDashboard" Reference each console application in "interface" Does this make any sense? Would it make more sense to just have one project and create a class per functionality instead of an entire project?

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  • VS2010 Project and Solution Structure

    - by sooprise
    I'm about to create a do-everything dashboard for my team and am still having second thoughts about my project/solution structure. Since this could be a long ongoing project, I want to get the structure right from the beginning. This is what I had in mind: Create a solution named "doEverythingDashboard" Delete the project named "doEverythingDashboard" under the solution "doEverythingDashboard" Create winform project named "interface" Create console applications projects for each functionality of "doEverythingDashboard" Reference each console application in "interface" Does this make any sense? Would it make more sense to just have one project and create a class per functionality instead of an entire project?

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  • Cannot build/create dll in Visual Studio because of admin rights??

    - by Vidar
    I have local admin rights on the PC I am using - but some things are not allowed i.e. I can't right click on My Computer and see the properties! Anyway I was trying to build my solution in Visual Studio - I just added a simple class library with barely any code in it and it won't build, it gives the error: C:\WINDOWS\Microsoft.NET\Framework\v3.5\Microsoft.Common.targets(3019,9): error MSB3216: Cannot register assembly "C:\Documents and Settings\fooUser\My Documents\Visual Studio 2008\Projects\FooSolution\Foo.Bar\bin\Debug\Foo.Bar.Utility.dll" - access denied. Please make sure you're running the application as administrator. Access to the registry key 'HKEY_CLASSES_ROOT\Record' is denied. I take it I need FULL admin rights?? - although the project did compile before I made this class library - so I dont' understand why the addition of this library has had such a drastic effect now!

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  • May one create an open source scripting application using QtScript?

    - by Manuel
    Hi there, I'd like to implement my own script engine using the QtScript component and other Qt components. Since this should be an open source (GPL) application I thought I would be free to do this. But now I found a page at Qt's website that made me doubtful about it: What are the restrictions with releasing scriptable applications? Unless the scripter has a Qt license, the following restrictions apply: The application itself may not primarily be a script development tool. The Qt API may not be made directly scriptable. Scripts may not alter the main functionality of the application. If the major part of the application is developed with a compiled programming language and only some non-core parts of the application are made extendable/modifiable through Qt Script, the scripter does not need to purchase a Qt or QSA license. Does this text apply to my project or not? Cheers, Manuel

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  • How can I create a weekly calendar view for an Android Honeycomb application?

    - by BVB
    I am working on an Android (v3.0) application that has a requirement of mimicking the weekly calendar layout found on Google Calendar: The events will be based on external requests through the Google Calendar API (I already have this part working). Using the API, I can obtain a list of events for the week, with each event having a starting and and ending datetime. I would like to use this data to show the scheduled events to the application's users in a view similar to the one above. Here's what I have so far: The XML appears below: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="800dp" android:layout_height="match_parent" android:orientation="vertical" > <TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Calendar Title" android:textAppearance="?android:attr/textAppearanceLarge" /> <RelativeLayout android:id="@+id/relativeLayout1" android:layout_width="match_parent" android:layout_height="wrap_content" > <LinearLayout android:id="@+id/linearLayout1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentRight="true" android:layout_alignParentTop="true" > <TextView android:id="@+id/textView2" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:text="" /> <TextView android:id="@+id/textView3" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="2" android:gravity="center" android:text="Sunday" /> <TextView android:id="@+id/textView4" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="2" android:gravity="center" android:text="Monday" /> <TextView android:id="@+id/textView5" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="2" android:gravity="center" android:text="Tuesday" /> <TextView android:id="@+id/textView6" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="2" android:gravity="center" android:text="Wednesday" /> <TextView android:id="@+id/textView7" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="2" android:gravity="center" android:text="Thursday" /> <TextView android:id="@+id/textView8" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="2" android:gravity="center" android:text="Friday" /> <TextView android:id="@+id/textView9" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="2" android:gravity="center" android:text="Saturday" /> </LinearLayout> </RelativeLayout> <ScrollView android:id="@+id/scrollView1" android:layout_width="match_parent" android:layout_height="match_parent" android:padding="0dp" android:scrollbars="none" >" <RelativeLayout android:id="@+id/relativeLayout242" android:layout_width="match_parent" android:layout_height="wrap_content" android:padding="0dp" > <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="0dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="40dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="80dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="120dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="160dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="200dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="240dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="280dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="320dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="360dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="400dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="440dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="480dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="520dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="560dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="600dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="640dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="680dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="720dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="760dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="800dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="840dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="880dp"/> <View android:background="#aaa" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="920dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="20dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="60dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="100dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="140dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="180dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="220dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="260dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="300dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="340dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="380dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="420dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="460dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="500dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="540dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="580dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="620dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="660dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="700dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="740dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="780dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="820dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="860dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="900dp"/> <View android:background="#777" android:layout_width = "fill_parent" android:layout_height="1dp" android:layout_marginTop="940dp"/> <LinearLayout android:id="@+id/linearLayout2" android:layout_width="match_parent" android:layout_height="wrap_content" android:padding="0dp" > <RelativeLayout android:id="@+id/relativeLayout2" android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="1" android:padding="0dp" > <View android:background="#aaa" android:layout_width = "1dp" android:layout_height="fill_parent" android:layout_alignParentRight="true"/> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="0dp" android:gravity="center" android:text="12am" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="40dp" android:gravity="center" android:text="1am" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="80dp" android:gravity="center" android:text="2am" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="120dp" android:gravity="center" android:text="3am" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="160dp" android:gravity="center" android:text="4am" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="200dp" android:gravity="center" android:text="5am" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="240dp" android:gravity="center" android:text="6am" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="280dp" android:gravity="center" android:text="7am" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="320dp" android:gravity="center" android:text="8am" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="360dp" android:gravity="center" android:text="9am" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="400dp" android:gravity="center" android:text="10am" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="440dp" android:gravity="center" android:text="11am" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="480dp" android:gravity="center" android:text="12pm" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="520dp" android:gravity="center" android:text="1pm" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="560dp" android:gravity="center" android:text="2pm" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="600dp" android:gravity="center" android:text="3pm" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="640dp" android:gravity="center" android:text="4pm" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="680dp" android:gravity="center" android:text="5pm" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="720dp" android:gravity="center" android:text="6pm" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="760dp" android:gravity="center" android:text="7pm" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="800dp" android:gravity="center" android:text="8pm" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="840dp" android:gravity="center" android:text="9pm" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="880dp" android:gravity="center" android:text="10pm" /> <TextView android:id="@+id/textView10" android:layout_width="match_parent" android:layout_height="40dp" android:layout_marginTop="920dp" android:gravity="center|top" android:text="11pm" /> </RelativeLayout> <RelativeLayout android:id="@+id/relativeLayout3" android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="14" android:padding="0dp" > <LinearLayout android:id="@+id/linearLayout3" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentRight="true" android:layout_alignParentTop="true" android:padding="0dp" > <RelativeLayout android:id="@+id/relativeLayout4" android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="1" > <View android:background="#00f" android:layout_width = "fill_parent" android:layout_height="180dp" android:layout_marginTop="180dp"/> <Button android:id="@+id/button1" android:layout_width="fill_parent" android:layout_height="180dp" android:layout_marginTop="180dp" android:text="Some Event" /> </RelativeLayout> <RelativeLayout android:id="@+id/relativeLayout5" android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="1" > <View android:background="#00f" android:layout_width = "fill_parent" android:layout_height="180dp" android:layout_marginTop="280dp"/> <Button android:id="@+id/button1" android:layout_width="fill_parent" android:layout_height="180dp" android:layout_marginTop="280dp" android:text="Some Event" /> </RelativeLayout> <RelativeLayout android:id="@+id/relativeLayout6" android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="1" > <View android:background="#00f" android:layout_width = "fill_parent" android:layout_height="60dp" android:layout_marginTop="40dp"/> <Button android:id="@+id/button1" android:layout_width="fill_parent" android:layout_height="60dp" android:layout_marginTop="40dp" android:text="Some Event" /> </RelativeLayout> <RelativeLayout android:id="@+id/relativeLayout7" android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="1" > <View android:background="#00f" android:layout_width = "fill_parent" android:layout_height="90dp" android:layout_marginTop="60dp"/> <Button android:id="@+id/button1" android:layout_width="fill_parent" android:layout_height="90dp" android:layout_marginTop="60dp" android:text="Some Event" /> <View android:background="#00f" android:layout_width = "fill_parent" android:layout_height="120dp" android:layout_marginTop="340dp"/> <Button android:id="@+id/button1" android:layout_width="fill_parent" android:layout_height="120dp" android:layout_marginTop="340dp" android:text="Some Event" /> </RelativeLayout> <RelativeLayout android:id="@+id/relativeLayout8" android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="1" > <View android:background="#00f" android:layout_width = "fill_parent" android:layout_height="180dp" android:layout_marginTop="380dp"/> <Button android:id="@+id/button1" android:layout_width="fill_parent" android:layout_height="180dp" android:layout_marginTop="380dp" android:text="Some Event" /> </RelativeLayout> <RelativeLayout android:id="@+id/relativeLayout9" android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="1" > <View android:background="#00f" android:layout_width = "fill_parent" android:layout_height="180dp" android:layout_marginTop="480dp"/> <Button android:id="@+id/button1" android:layout_width="fill_parent" android:layout_height="180dp" android:layout_marginTop="480dp" android:text="Some Event" /> </RelativeLayout> <RelativeLayout android:id="@+id/relativeLayout10" android:layout_width="0dp" android:layout_height="match_parent" android:layout_weight="1" > <View android:background="#00f" android:layout_width = "fill_parent" android:layout_height="180dp" android:layout_marginTop="340dp"/> <Button android:id="@+id/button1" android:layout_width="fill_parent" android:layout_height="180dp" android:layout_marginTop="340dp" android:text="Some Event" /> </RelativeLayout> </LinearLayout> </RelativeLayout> </LinearLayout> </RelativeLayout> </ScrollView> </LinearLayout> My approach was to make 40dp equal to 1 hr of time. Thus, whenever I would like to add an event that has a duration of 1.5 hours, I will make an 60dp button that I will place at the exact location that the time begins (12am = 0dp from the top, 1pm = 40dp from the top, 2pm = 80d from the top, etc). My questions are: Is there a better way of doing this? How can I convert my XML to be stand-alone view that could be added to any Android project? (I plan on perhaps making a blog post about the end product) Thank you!

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  • How create a Firefox-like search textbox in WPF?

    - by Simon
    Hey there. I'm writing an application in WPF using the MVVM-pattern and will really often use TextBoxes. I don't want to use labels for the user to know user what the text box is for, i.e. I don't want something like this: <TextBlock> Name: </TextBlock> <TextBox /> Instead, I would like the TextBox to contain its own label. Statically, you would express it like this: <TextBox>Name</TextBox> If the cursor is displayed in the textbox, i.e. the TextBox gains focus, I want the description text to disappear. If the TextBox is left empty and it loses the focus, the description text should be shown again. It's similar to the search textbox of StackOverflow or the one of Firefox. (please tell me if your not sure what I mean). One TextBox's label may change at runtime, dependending on e.g. a ComboBox's selected element or a value in my ViewModel. (It's like in Firefox's search TextBox, if you select google from the search engins' menu, the TextBox's label changes to "Google", if you select "Yahoo" its set to "Yahoo"). Thus I want to be able to bind the label's content. Consider that I may already have a Binding on the Text-Property of the TextBox. How can implement such a behaviour and make it reusable for any of my TextBox's? Code is welcome but not needed; a description of what to do is enough. Thank you in advance.

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  • iPhone SDK: How do I create an overlay drop-down menu?

    - by arooaroo
    Hi, I have a UIViewController containing its UIView which occupies the available screen (inbetween the tabbar and nav bar). I'd now like to add a simple toolbar which is situated at the top of the UIView which will contain some buttons. One of the buttons should display a drop down menu which is displayed as an overlay over the UIView. I'd quite like this menu to be a UITable as it could contain many items. The problem I'm having is I can't see the best way to go about this. I'm wondering whether there's a simple strategy. Here's an example of the type of feature I'm looking for... Menu hidden: http://www.flickr.com/photos/peterevers/3147678219/in/photostream/ Menu displayed: http://www.flickr.com/photos/peterevers/3148550320/ I expect the above example is emulated in UIWebView using HTML/CSS. Is there a "proper" way? TIA

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  • How do I create Tetris Blocks in XNA with C#?

    - by Slateboard
    I'm making a Tetris Clone in C# with XNA, and I'm unsure of how to actually implement the blocks. I don't think that making the shapes as images will work (because parts are removed when lines are formed), so I Have blocks to make up the pieces like This. Unfortunately, I don't know how to actually define the blocks to make the pieces, nor do I know how to manipulate them to make them rotate, etc. Edit: I would also need assistance in learning how to make the Tetris Grid too.

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  • To create an inbox like Gmail in jQuery, would something like the Accordion effect work for opening

    - by snoopy
    I've been looking for a pre-built jQuery component that I could use to build an inbox for a messaging application: http://jqueryui.com/demos/accordion/ I was thinking that if I could close all of the elements in the Accordion, that would be equivalent to showing a list of unopened messages when the user first logs into their Inbox. And then, by clicking on the leaves of the Accordion, they can see each message one by one. Is this a good idea or is there some other jQuery plugin that would work better for this type of functionality?

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  • Is there a WPF "WrapGrid" control available or an easy way to create one?

    - by Jason Coyne
    Essentially I want a wrapPanel, but I would like items to snap to a grid rather than be pressed up to the left, so I can get a nice uniform looking grid, that automatically consumes available space. WrapPanel handles the resize part. WPF.Contrib.AutoGrid handles a nice automatic grid. Anyone got a control that combines them? My use case is I have a series of somewhat irregularly shaped controls. I would like them to appear in nice columns so the wrap panel should snap to the next "tabstop" when placing a control

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  • how create a Controller partial class to override OnAuthorization?

    - by kaijk
    I'm trying to change the method OnAuthorization, so that it is available for any application ... this way: public partial class Controller { protected override void OnAuthorization(AuthorizationContext filterContext) { if ((string)(filterContext.RouteData.Values["action"]) == "test") { filterContext.Result = new HttpUnauthorizedResult(); } } } but is showing the compilation error: ...Controller.OnAuthorization(System.Web.Mvc.AuthorizationContext)': no suitable method found to override can someone help me?

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  • How to create a new LaTeX command that behaves something like \verb?

    - by NawaMan
    I have been using LaTeX from sometime now, but have never actually gotten my hands dirty declaring a new command, as I try to avoid that. However, I need to add monospace text often in my document and I use \verb for it which is fine, except that the verb font size is bigger than the normal text font. So I need to change the font size and undo done like \small{}\verb#My monospace code#\normalsize{}. This is not very convenient and mistake-prone. Is there a better way to do this? Can I define a new command for this? How?

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  • MVC null model problem

    - by femi
    hello, i have created two create actions..one to call the create view and the other to process the create view using httppost. when i call the create view, it gets published correctly , dropdowns and all. the problem is that when i fill out the create form and click on the submit button, i get an error; Object reference not set to an instance of an object. My first thoughts are that i am passing a null model to the httppost create action.. How can i check to see if i am passing in a null model to the httppost create action? thanks

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  • HTML: How to create a DIV with only vertical scroll-bar to show long paragraphs on a webpage?

    - by Awan
    I want to show terms and condition note on my website. I dont want to use text field and also dont want to use my whole page. I just want to display my text in selected area and want to use only vertical scroll-bar to go down and read all text. Currently I am using this code: <div style="width:10;height:10;overflow:scroll" > text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text </div> It is not fixing the width and height and spread until the all text appears. Second it is showing horizontal scroll-bar and I don't want to show it. Any Idea ? Thanks

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  • How to create filter option in RDLC report column ?

    - by prasanna
    I wanted to have filter option (like the one available in Excel sheet) in rdlc report column. is it possible and how ? http://img62.imageshack.us/img62/2223/sample1n.png i am trying in Visual studio 2005 and Microsoft report viewer. kindly let me know the option for this or a work around for it. Thanks

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  • ServiceRoute + WebServiceHostFactory kills WSDL generation? How to create extensionless WCF service

    - by Ethan J. Brown
    I'm trying to use extenionless / .svc-less WCF services. Can anyone else confirm or deny the issue I'm experiencing? I use routing in code, and do this in Application_Start of global.asax.cs: RouteTable.Routes.Add(new ServiceRoute("Data", new WebServiceHostFactory(), typeof(DataDips))); I have tested in both IIS 6 and IIS 7.5 and I can use the service just fine (ie my extensionless handler is correctly configured for ASP.NET). However, metadata generation is totally screwed up. I can hit my /mex endpoint with the WCF Test Client (and I presume svcutil.exe) -- but the ?wsdl generation you typically get with .svc is toast. I can't hit it with a browser (get 400 bad request), I can't hit it with wsdl.exe, etc. Metadata generation is configured correctly in web.config. This is a problem of course, because the service is exposed as basicHttpBinding so that an old style ASMX client can get to it. But of course, the client can't generate the proxy without a WSDL description. If I instead use serviceActivation routing in config like this, rather than registering a route in code: <serviceHostingEnvironment aspNetCompatibilityEnabled="true"> <serviceActivations> <add relativeAddress="Data.svc" service="DataDips" /> </serviceActivations> </serviceHostingEnvironment> Then voila... it works. But then I don't have a clean extensionless url. If I change relativeAddress from Data.svc to Data, then I get a configuration exception as this is not supported by config. (Must use an extension registered to WCF). I've also attempted to use this code in conjunction with the above config: RouteTable.Routes.MapPageRoute("","Data/{*data}","~/Data.svc/{*data}",false); My thinking is that I can just point the extensionless url at the configured .svc url. This doesn't work -- the /Data.svc continues to work, but /Data returns a 404. Anyone with any bright ideas?

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  • Failed to create feature receiver object from assembly/FileNotFound...

    - by harshvardhan
    During solution deployments & Feature activation, I am facing an on/off issue where the system is unable to find & load the FeatureReceiver class. Mostly it is file not found exception (even though the assembly is there in the GAC). I checked over the net and this seems it a common issue with solutions (wsp) packaging DLL to be GACed. (But, no one has any clue or solution!) What is the recommendation and guideline to fix this issue? We are setting the flag to reset IIS in my solution definition - but that does not seem to help. The issue is more prevalent in multi-M farms. Thanks

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  • Can I use a class as an object in C# to create instances of that class?

    - by Troy
    I'm writing a fairly uncomplicated program which can "connect" to several different types of data sources including text files and various databases. I've decided to implement each of these connection types as a class inherited from an interface I called iConnection. So, for example, I have TextConnection, MySQLConnection, &c... as classes. In another static class I've got a dictionary with human-readable names for these connections as keys. For the value of each dictionary entry, I want the class itself. That way, I can do things like: newConnection = new dict[connectionTypeString](); Is there a way to do something like this? I'm fairly new to C# so I'd appreciate any help.

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  • create a YYYY-MM-DD Daterange in JScript/Javascript.

    - by Marcus
    Hello. I need no generate a full daterange in JScript from a given Startdate to now. Startdate: 2010-03-25 2010-03-26 2010-03-27 ... 2010-05-30 I am very confused with Javascript Date. best would be a function to give a daterange as params and getting an Array of the formatted date back, something like that: range[0] = 2010-03-25 range[1] = 2010-03-26 range[2] = 2010-03-27 ... range[x] = 2010-05-30 I am so confused thanks for any hint marcus

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  • What would cause ANY .NET application to crash immediately... except a project I create and Debug in

    - by blak3r
    My software recently got deployed to a customer who said that the application was crashing immediately after it started. After some initial debugging, the customer provided me remote access to one of the computers which was unable to run the application. I found that the crash wasn't specific to my application. Any application which depended on the .NET framework crashed immediately. Conveniently, Visual Studio 2008 was installed so I created a quick hello world application on it and clicked Debug. The application worked fine. But, then when I tried to execute the generated binaries in the /bin/Debug/HelloWorld.exe directory outside of visual studio it crashed. List of things i've tried (UPDATED): I checked that "Everyone" has Read&Execute permissions for c:\Windows. To test that the problem was with the .NET Framework (and not my application), I attempted to download Paint .NET on to the computers. The setup frontend crashed in the same manner. Performed a repair of the .NET framework as outlined in http://support.microsoft.com/kb/908077 (Boy was this fun and time consuming). No luck. Installed .NET 3.5 SP1 (before it just had .NET 3.5) Note: my application targets 2.0 so I did this more as a long shot... but i learned in the process that .NET 3.5 SP1 also updates the underlying frameworks. Ran Aaron Stebner's .NET Setup Verification Tool. This tool indicated that .NET was successfully installed. (I forget if i checked all the versions but at least 2.0 worked). Tested some mini hello world applications which were targeted for .NET 2.0 and .NET 3.5 and both crashed in the same way. Tried launching .NET apps via windbg cmd line. Doing this did allow me invoke my simple hello world applications. So, simple .NET hello world works when invoked by windbg or by launching via debug in visual studio... but doesn't if i try to execute it standalone. I created a dump file using WinDbg. It wasn't all that revealing to me. FAULTING_IP: mscorwks!PEImage::GetEntryPointToken+21 79f4ff9d f6401010 test byte ptr [eax+10h],10h EXCEPTION_RECORD: 0012f710 -- (.exr 0x12f710) ExceptionAddress: 79f4ff9d (mscorwks!PEImage::GetEntryPointToken+0x00000021) ExceptionCode: c0000005 (Access violation) ExceptionFlags: 00000000 NumberParameters: 2 Parameter[0]: 00000000 Parameter[1]: 00000010 Attempt to read from address 00000010 FAULTING_THREAD: 00000b44 PROCESS_NAME: MyProcess.exe ERROR_CODE: (NTSTATUS) 0x80000003 - {EXCEPTION} Breakpoint A breakpoint has been reached. EXCEPTION_CODE: (HRESULT) 0x80000003 (2147483651) - One or more arguments are invalid DETOURED_IMAGE: 1 NTGLOBALFLAG: 0 APPLICATION_VERIFIER_FLAGS: 0 MANAGED_STACK: !dumpstack -EE OS Thread Id: 0xb44 (0) Current frame: ChildEBP RetAddr Caller,Callee EXCEPTION_OBJECT: !pe cb10b4 Exception object: 00cb10b4 Exception type: System.ExecutionEngineException Message: <none> InnerException: <none> StackTrace (generated): <none> StackTraceString: <none> HResult: 80131506 MANAGED_OBJECT_NAME: System.ExecutionEngineException CONTEXT: 0012f72c -- (.cxr 0x12f72c) eax=00000000 ebx=00000000 ecx=00000000 edx=0000000e esi=001a1490 edi=00000001 eip=79f4ff9d esp=0012f9f8 ebp=0012fa1c iopl=0 nv up ei pl zr na pe nc cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010246 mscorwks!PEImage::GetEntryPointToken+0x21: 79f4ff9d f6401010 test byte ptr [eax+10h],10h ds:0023:00000010=?? Resetting default scope READ_ADDRESS: 00000010 FOLLOWUP_IP: mscorwks!PEImage::GetEntryPointToken+21 79f4ff9d f6401010 test byte ptr [eax+10h],10h BUGCHECK_STR: APPLICATION_FAULT_NULL_CLASS_PTR_DEREFERENCE_SHUTDOWN PRIMARY_PROBLEM_CLASS: NULL_CLASS_PTR_DEREFERENCE_SHUTDOWN DEFAULT_BUCKET_ID: NULL_CLASS_PTR_DEREFERENCE_SHUTDOWN LAST_CONTROL_TRANSFER: from 79ef02b5 to 79f4ff9d STACK_TEXT: 79f4ff9d mscorwks!PEImage::GetEntryPointToken+0x21 79ef02b5 mscorwks!PEFile::GetEntryPointToken+0xa0 79eefeaf mscorwks!SystemDomain::ExecuteMainMethod+0xd4 79fb9793 mscorwks!ExecuteEXE+0x59 79fb96df mscorwks!_CorExeMain+0x15c 7900b1b3 mscoree!_CorExeMain+0x2c 7c817077 kernel32!BaseProcessStart+0x23 SYMBOL_STACK_INDEX: 0 SYMBOL_NAME: mscorwks!PEImage::GetEntryPointToken+21 FOLLOWUP_NAME: MachineOwner MODULE_NAME: mscorwks IMAGE_NAME: mscorwks.dll DEBUG_FLR_IMAGE_TIMESTAMP: 471ef729 STACK_COMMAND: .cxr 0012F72C ; kb ; dds 12f9f8 ; kb FAILURE_BUCKET_ID: NULL_CLASS_PTR_DEREFERENCE_SHUTDOWN_80000003_mscorwks.dll!PEImage::GetEntryPointToken BUCKET_ID: APPLICATION_FAULT_NULL_CLASS_PTR_DEREFERENCE_SHUTDOWN_DETOURED_mscorwks!PEImage::GetEntryPointToken+21 WATSON_STAGEONE_URL: http://watson.microsoft.com/StageOne/MyProcess_exe/2_4_4_39/4a8a192c/unknown/0_0_0_0/bbbbbbb4/80000003/00000000.htm?Retriage=1 Followup: MachineOwner Edit 1:The event log details for this error say it's a .NET Runtime version 2.0.50727.3053 - Fatal Execution Engine Error (7A097706)(80131506). Edit 2 (10-7-09): This issue is still active. Edit 3 (3-29-10): This update is to let everyone know that I never did successfully solve the problem. The customer who's machine this was on lost interest in solving it and just reimaged the machine :(. Thanks for all the contributions though.

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  • Is it possible to create a custom, animated MKAnnotationView?

    - by smountcastle
    I'm trying to simulate the user location animation in MapKit (where-by the user's position is represented by a pulsating blue dot). I've created a custom subclass of MKAnnotationView and in the drawRect method I'm attempting to cycle through a set of colors. Here's a simpler implementation of what I'm doing: - (void)drawRect:(CGRect)rect { float magSquared = event.magnitude * event.magnitude; CGContextRef context = UIGraphicsGetCurrentContext(); if (idx == -1) { r[0] = 1.0; r[1] = 0.5; r[2] = 0; b[0] = 0; b[1] = 1.0; b[2] = 0.5; g[0] = 0.5; g[1] = 0; g[2] = 1.0; idx = 0; } // CGContextSetRGBFillColor(context, 1.0, 1.0 - magSquared * 0.015, 0.211, .6); CGContextSetRGBFillColor(context, r[idx], g[idx], b[idx], 0.75); CGContextFillEllipseInRect(context, rect); idx++; if (idx > 3) idx = 0; } Unfortunately this just causes the annotations to be one of the 3 different colors and doesn't cycle through them. Is there a way to force the MKAnnotations to continually redraw so that it appears to be animated?

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  • How do I create midi data to trigger an Ultrabeat pattern in Logic?

    - by user289581
    I've made some Ultrabeat patterns but I can't figure out how to trigger them. I make the pattern on C-1, then I go back to the arrange window and hit record and then hit C1 on my keyboard, and it doesn't play the pattern, it just plays a single note. I have Pattern Mode enabled on Ultrabeat and I'm using a one-shot trigger but I can't seem to trigger my pattern to play at all. What am I doing wrong?

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  • Possible to create an implicit cast for an anonymous type to a dictionary?

    - by Ralph
    I wrote a method like this: using AttrDict = System.Collections.Generic.Dictionary<string, object>; using IAttrDict = System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<string, object>>; static string HtmlTag(string tagName, string content = null, IAttrDict attrs = null) { var sb = new StringBuilder("<"); sb.Append(tagName); if(attrs != null) foreach (var attr in attrs) sb.AppendFormat(" {0}=\"{1}\"", attr.Key, attr.Value.ToString().EscapeQuotes()); if (content != null) sb.AppendFormat(">{0}</{1}>", content, tagName); else sb.Append(" />"); return sb.ToString(); } Which you can call like HtmlTag("div", "hello world", new AttrDict{{"class","green"}}); Not too bad. But what if I wanted to allow users to pass an anonymous type in place of the dict? Like HtmlTag("div", "hello world", new {@class="green"}); Even better! I could write the overload easily, but the problem is I'm going to have about 50 functions like this, I don't want to overload each one of them. I was hoping I could just write an implicit cast to do the work for me... public class AttrDict : Dictionary<string, object> { public static implicit operator AttrDict(object obj) { // conversion from anonymous type to AttrDict here } } But C# simply won't allow it: user-defined conversions to or from a base class are not allowed So what can I do?

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