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• Different log4j patterns on the same same file depending on log level?

  - by gorca

  Hi, I'd like for log events of type WARN or higher to show the class name. All others would not show the class name. this is both to simplify the log and to not have the performance hit on lower events such as TRACE. This must all go to the same log file. For example, right now, I have this on my log file: 2010-04-06 18:50:16,416 [main] INFO org.nyjord.lib.gather.TempMachine - initialised successfuly. 2010-04-06 18:50:16,416 [main] FATAL org.nyjord.lib.gather.TempMachine - not all paths could be located I would prefer this ON THE SAME FILE: 2010-04-06 18:50:16,416 [main] INFO - initialised successfuly. 2010-04-06 18:50:16,416 [main] FATAL org.nyjord.lib.gather.TempMachine - not all paths could be located Help would be really welcome.

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• What does the Navigation Sharepoint Sitemap/Breadcrumb use to populate links?

  - by Greg Ogle

  I am building several layered site and the breadcrumb is skipping in-between sites. Main Site > Current Site I would like it to show, as I've seen in other sites Main Site > SubSite > Current Site Main Site > SubSite > SubSubSite > Current Site

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• How to befriend a templated class's constructor?

  - by Kyle

  Why does class A; template<typename T> class B { private: A* a; public: B(); }; class A : public B<int> { private: friend B<int>::B<int>(); int x; }; template<typename T> B<T>::B() { a = new A; a->x = 5; } int main() { return 0; } result in ../src/main.cpp:15: error: invalid use of constructor as a template ../src/main.cpp:15: note: use ‘B::B’ instead of ‘B::class B’ to name the constructor in a qualified name yet changing friend B<int>::B<int>() to friend B<int>::B() results in ../src/main.cpp:15: error: no ‘void B::B()’ member function declared in class ‘B’ while removing the template completely class A; class B { private: A* a; public: B(); }; class A : public B { private: friend B::B(); int x; }; B::B() { a = new A; a->x = 5; } int main() { return 0; } compiles and executes just fine -- despite my IDE saying friend B::B() is invalid syntax?

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• NSXMLParser: how do I wait until loading has finished?

  - by Archagon

  Let's say I'm using NSXMLParser to load a level (stored as an XML document, obviously) into my iPhone game. NSXMLParser works by assigning a delegate and sending it messages at key moments. How do I ensure that my entire level is loaded before doing anything else? I know I can make my main class the delegate and implement parserDidEndDocument, but this feels very hacky. My main class shouldn't have to know anything about the way the parsing is done! On the other hand, if I make a separate class/delegate for parsing my level, my main class has no way of knowing when the parsing is finished, unless it queries the parsing class continuously or the parsing class sends it a message. Either way, the main class would be tied to the implementation of the parsing class. Can I hide all this event-driven business from the main class and simply make the parser return the level object when it's done? (i.e., newLevel = [[GameLevel alloc] initFromXML:xmlfile], which would in turn use NSXMLParser to load the level and then somehow return when finished.) At the moment, I'm using an external DOM parser, but I'm curious how this would be done with NSXMLParser. Sorry if this is a stupid question -- I'm a bit new to this!

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• Import Excel 2007 into SQL 2000 using Classic ASP and ADO

  - by jeff

  I have the following code from a legacy app which currently reads from an excel 2003 spreadsheet on a server, but I need this to run from my machine which uses excel 2007. When I debug on my machine ADO does not seem to be reading the spreadsheet. I have checked all file paths etc. and location of spreadsheet that is all fine. I've heard that you cannot use the jet db engine for excel 2007 anymore? Can someone confirm this? What do I need to do to get this to work? Please help! set obj_conn = Server.CreateObject("ADODB.Connection") obj_conn.Open "Provider=Microsoft.Jet.OLEDB.4.0;" & _ "Data Source=" & Application("str_folder") & "CNS43.xls;" & _ "Extended Properties=""Excel 8.0;""" set obj_rs_cns43 = Server.CreateObject("ADODB.RecordSet") obj_rs_cns43.ActiveConnection = obj_conn obj_rs_cns43.CursorType = 3 obj_rs_cns43.LockType = 2 obj_rs_cns43.Source = "SELECT * FROM [CNS43$]" obj_rs_cns43.Open

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• How to open new view (call an activity) from options menu defined in XML? (android)

  - by Portablejim

  I cant seem to open a new view from an options menu item. The program keeps crashing as it applies the intent and listener to the item. I am just beginning, so please be nice. The current view is mnfsms, and the view I am trying to open is mnfsms_settings. I am developing for 1.5. Could someone please help me get the menu working. The menu (called options_menu.xml): <menu xmlns:android="http://schemas.android.com/apk/res/android"> <item android:id="@+id/settings_button" android:title="Settings" android:icon="@android:drawable/ic_menu_preferences" /> <item android:id="@+id/about_button" android:title="About" android:icon="@android:drawable/ic_menu_myplaces" /> </menu> The main view (called mnfsms.java): package com.example.mnfsms; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; public class mnfsms extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); /* OnClickListener myocl = new View.OnClickListener() { public void onClick(View v){ Intent myi = new Intent(mnfsms.this, mnfsms_settings.class); startActivity(myi); } };*/ } public boolean onCreateOptionsMenu(Menu menu) { MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.options_menu, menu); MenuItem mi_settings = (MenuItem)findViewById(R.id.settings_button); mi_settings.setIntent(new Intent(this, mnfsms_settings.class)); return true; } } The manifest: <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.mnfsms" android:versionCode="1" android:versionName="1.0"> <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name=".mnfsms" android:label="@string/main_window_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name=".mnfsms_settings" android:label="string/main_window_name"> </activity> </application> <uses-sdk android:minSdkVersion="3" /> </manifest> The stacktrace: 01-06 15:07:58.045: ERROR/AndroidRuntime(2123): Uncaught handler: thread main exiting due to uncaught exception 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): java.lang.NullPointerException 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at com.example.mnfsms.mnfsms.onCreateOptionsMenu(mnfsms.java:30) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at android.app.Activity.onCreatePanelMenu(Activity.java:2038) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at com.android.internal.policy.impl.PhoneWindow.preparePanel(PhoneWindow.java:421) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at com.android.internal.policy.impl.PhoneWindow.onKeyDownPanel(PhoneWindow.java:664) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at com.android.internal.policy.impl.PhoneWindow.onKeyDown(PhoneWindow.java:1278) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchKeyEvent(PhoneWindow.java:1735) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at android.view.ViewRoot.deliverKeyEventToViewHierarchy(ViewRoot.java:2188) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at android.view.ViewRoot.handleFinishedEvent(ViewRoot.java:2158) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at android.view.ViewRoot.handleMessage(ViewRoot.java:1490) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at android.os.Handler.dispatchMessage(Handler.java:99) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at android.os.Looper.loop(Looper.java:123) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at android.app.ActivityThread.main(ActivityThread.java:3948) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at java.lang.reflect.Method.invokeNative(Native Method) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at java.lang.reflect.Method.invoke(Method.java:521) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:782) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540) 01-06 15:07:58.055: ERROR/AndroidRuntime(2123): at dalvik.system.NativeStart.main(Native Method)

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• JQuery Tooltip Plugin from Jorn

  - by Jeff Ancel

  I am thinking someone may have run across this one, but not sure. From a high level, I am trying to roll over a input [type=text] and display a tool tip (with the contained value) using the plugin available at http://bassitance.de. I have to use titles and classes for validation on the specific elements, so I put a blank div to hold the input [type=text] value for the roll over. Issue: It won't hold the value of 2 text boxes at once. Once I put a value in the box on the right, the tooltip on the left goes away. Same thing if I switch it aroun. I can't keep a tooltip on more than one element. Here is the code (Note: You will have to download the plugins in the source as I am not sure where the live versions are if there are any). <link rel="stylesheet" href="/scripts/jquery-tooltip/jquery.tooltip.css" /> <script type="text/javascript" src="/scripts/jquery-1.3.2.min.js"></script> <script type="text/javascript" src="/scripts/jquery-tooltip/jquery.tooltip.min.js"></script> <script type="text/javascript"> $(function(){ $("input").change(function(){ var newTitle = $(this).val(); $(this).parent().attr("title",newTitle); // re-init tool tip reload(); }); // Init tooltip reload(); }); reload = function(){ $("div").tooltip(); } </script> <body> <table border="1px solid black"> <tr> <td title="hello"> <div> <input type="text" value=""/> </div> </td> <td> <div> <input type="text" value=""/> </div> </td> </tr> </table> <div id="debug"></div> </body> </html>

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• Showing right sub-ul of parent ul menu

  - by Micke

  Hello, i have this html menu: <ul id='main'> <li class='active current' id='lighty'> <a href='/'>Lighty</a> <ul> <li class='sub'> <a href='/'>Hem</a> </li> </ul> </li> <li id='community'> <a href='/community'>Community</a> </li> </ul> And this jquery: $("#menu ul > li").mouseenter(function(){ id = $(this).attr("id"); $("#menu #main li").removeClass("active"); $(this).addClass("active"); }).mouseleave(function(){ id = $(this).attr("id"); menu.timers[id] = setTimeout(function(){$("#menu #main li#"+id).removeClass("active");}, 2000); }); What i am trying to acomplish is that when i hover one of the li's in the main ul the child ul of that li should be displayed. and when i move the mouse out of the li or the child ul the menu should be visible for 2 seconds. It works through the main li button but if on the child ul and move out it just disapears, it doesnt wait for two seconds. The waiting two seconds is so you can go in to the menu if you accidentaly move the mouse out of it. Can anybody help me to fix this error? Maybe you have a better solution? Here is also a screenshot on how the menu looks if it helps: screen shot under or click here

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• Android Studio gradle-###-bin.zip vs. gradle-###-all.zip

  - by Jeff Brateman

  One developer on my team has some setting in Android Studio that replaces the distributionUrl entry in gradle/wrapper/gradle-wrapper.properties to use the gradle-###-all.zip, while my Android Studio changes it back to gradle-###-bin.zip. Basically, my diff always looks like: -distributionUrl=https\://services.gradle.org/distributions/gradle-1.12-all.zip +distributionUrl=https\://services.gradle.org/distributions/gradle-1.12-bin.zip This is annoying. What setting is it, and how do I change it?

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• Developer Burnout Stories

  - by Jeff V

  In question: "What causes developer burnout?" I told of a co-worker who got burned out and ended up leaving the profession. Have you seen developer burnout? Tell the story here. Whether it is funny or just plain sad and touching I'm sure it will tell us something about our profession. This will give us a sense of how common it is as well.

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• Most efficient way of creating tree from adjacency list

  - by Jeff Meatball Yang

  I have an adjacency list of objects (rows loaded from SQL database with the key and it's parent key) that I need to use to build an unordered tree. It's guaranteed to not have cycles. This is taking wayyy too long (processed only ~3K out of 870K nodes in about 5 minutes). Running on my workstation Core 2 Duo with plenty of RAM. Any ideas on how to make this faster? public class StampHierarchy { private StampNode _root; private SortedList<int, StampNode> _keyNodeIndex; // takes a list of nodes and builds a tree // starting at _root private void BuildHierarchy(List<StampNode> nodes) { Stack<StampNode> processor = new Stack<StampNode>(); _keyNodeIndex = new SortedList<int, StampNode>(nodes.Count); // find the root _root = nodes.Find(n => n.Parent == 0); // find children... processor.Push(_root); while (processor.Count != 0) { StampNode current = processor.Pop(); // keep a direct link to the node via the key _keyNodeIndex.Add(current.Key, current); // add children current.Children.AddRange(nodes.Where(n => n.Parent == current.Key)); // queue the children foreach (StampNode child in current.Children) { processor.Push(child); nodes.Remove(child); // thought this might help the Where above } } } } public class StampNode { // properties: int Key, int Parent, string Name, List<StampNode> Children }

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• a scala remote actor exception

  - by kula

  hi all i with a scala code like this for echo service. import scala.actors.Actor import scala.actors.Actor._ import scala.actors.remote.RemoteActor._ class Echo extends Actor { def act() { alive(9010) register('myName, self) loop { react { case msg = println(msg) } } } } object EchoServer { def main(args: Array[String]): unit = { val echo = new Echo echo.start println("Echo server started") } } EchoServer.main(null) but there has some exception. java.lang.NoClassDefFoundError: Main$$anon$1$Echo$$anonfun$act$1 at Main$$anon$1$Echo.act((virtual file):16) at scala.actors.Reaction.run(Reaction.scala:76) at scala.actors.Actor$$anonfun$start$1.apply(Actor.scala:785) at scala.actors.Actor$$anonfun$start$1.apply(Actor.scala:783) at scala.actors.FJTaskScheduler2$$anon$1.run(FJTaskScheduler2.scala:160) at scala.actors.FJTask$Wrap.run(Unknown Source) at scala.actors.FJTaskRunner.scanWhileIdling(Unknown Source) at scala.actors.FJTaskRunner.run(Unknown Source) Caused by: java.lang.ClassNotFoundException: Main$$anon$1$Echo$$anonfun$act$1 at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at java.lang.ClassLoader.loadClass(ClassLoader.java:252) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320) ... 8 more i don't konw how can cause it. by the way .my scala version is 2.7.5

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• A Simple Approach For Presenting With Code Samples

  - by Jesse Taber

  Originally posted on: http://geekswithblogs.net/GruffCode/archive/2013/07/31/a-simple-approach-for-presenting-with-code-samples.aspxI’ve been getting ready for a presentation and have been struggling a bit with the best way to show and execute code samples. I don’t present often (hardly ever), but when I do I like the presentation to have a lot of succinct and executable code snippets to help illustrate the points that I’m making. Depending on what the presentation is about, I might just want to build an entire sample application that I would run during the presentation. In other cases, however, building a full-blown application might not really be the best way to present the code. The presentation I’m working on now is for an open source utility library for dealing with dates and times. I could have probably cooked up a sample app for accepting date and time input and then contrived ways in which it could put the library through its paces, but I had trouble coming up with one app that would illustrate all of the various features of the library that I wanted to highlight. I finally decided that what I really needed was an approach that met the following criteria: Simple: I didn’t want the user interface or overall architecture of a sample application to serve as a distraction from the demonstration of the syntax of the library that the presentation is about. I want to be able to present small bits of code that are focused on accomplishing a single task. Several of these examples will look similar, and that’s OK. I want each sample to “stand on its own” and not rely much on external classes or methods (other than the library that is being presented, of course). “Debuggable” (not really a word, I know): I want to be able to easily run the sample with the debugger attached in Visual Studio should I want to step through any bits of code and show what certain values might be at run time. As far as I know this rules out something like LinqPad, though using LinqPad to present code samples like this is actually a very interesting idea that I might explore another time. Flexible and Selectable: I’m going to have lots of code samples to show, and I want to be able to just package them all up into a single project or module and have an easy way to just run the sample that I want on-demand. Since I’m presenting on a .NET framework library, one of the simplest ways in which I could execute some code samples would be to just create a Console application and use Console.WriteLine to output the pertinent info at run time. This gives me a “no frills” harness from which to run my code samples, and I just hit ‘F5’ to run it with the debugger. This satisfies numbers 1 and 2 from my list of criteria above, but item 3 is a little harder. By default, just running a console application is going to execute the ‘main’ method, and then terminate the program after all code is executed. If I want to have several different code samples and run them one at a time, it would be cumbersome to keep swapping the code I want in and out of the ‘main’ method of the console application. What I really want is an easy way to keep the console app running throughout the whole presentation and just have it run the samples I want when I want. I could setup a simple Windows Forms or WPF desktop application with buttons for the different samples, but then I’m getting away from my first criteria of keeping things as simple as possible. Infinite Loops To The Rescue I found a way to have a simple console application satisfy all three of my requirements above, and it involves using an infinite loop and some Console.ReadLine calls that will give the user an opportunity to break out and exit the program. (All programs that need to run until they are closed explicitly (or crash!) likely use similar constructs behind the scenes. Create a new Windows Forms project, look in the ‘Program.cs’ that gets generated, and then check out the docs for the Application.Run method that it calls.). Here’s how the main method might look: 1: static void Main(string[] args) 2: { 3: do 4: { 5: Console.Write("Enter command or 'exit' to quit: > "); 6: var command = Console.ReadLine(); 7: if ((command ?? string.Empty).Equals("exit", StringComparison.OrdinalIgnoreCase)) 8: { 9: Console.WriteLine("Quitting."); 10: break; 11: } 12: 13: } while (true); 14: } The idea here is the app prompts me for the command I want to run, or I can type in ‘exit’ to break out of the loop and let the application close. The only trick now is to create a set of commands that map to each of the code samples that I’m going to want to run. Each sample is already encapsulated in a single public method in a separate class, so I could just write a big switch statement or create a hashtable/dictionary that maps command text to an Action that will invoke the proper method, but why re-invent the wheel? CLAP For Your Own Presentation I’ve blogged about the CLAP library before, and it turns out that it’s a great fit for satisfying criteria #3 from my list above. CLAP lets you decorate methods in a class with an attribute and then easily invoke those methods from within a console application. CLAP was designed to take the arguments passed into the console app from the command line and parse them to determine which method to run and what arguments to pass to that method, but there’s no reason you can’t re-purpose it to accept command input from within the infinite loop defined above and invoke the corresponding method. Here’s how you might define a couple of different methods to contain two different code samples that you want to run during your presentation: 1: public static class CodeSamples 2: { 3: [Verb(Aliases="one")] 4: public static void SampleOne() 5: { 6: Console.WriteLine("This is sample 1"); 7: } 8:   9: [Verb(Aliases="two")] 10: public static void SampleTwo() 11: { 12: Console.WriteLine("This is sample 2"); 13: } 14: } A couple of things to note about the sample above: I’m using static methods. You don’t actually need to use static methods with CLAP, but the syntax ends up being a bit simpler and static methods happen to lend themselves well to the “one self-contained method per code sample” approach that I want to use. The methods are decorated with a ‘Verb’ attribute. This tells CLAP that they are eligible targets for commands. The “Aliases” argument lets me give them short and easy-to-remember aliases that can be used to invoke them. By default, CLAP just uses the full method name as the command name, but with aliases you can simply the usage a bit. I’m not using any parameters. CLAP’s main feature is its ability to parse out arguments from a command line invocation of a console application and automatically pass them in as parameters to the target methods. My code samples don’t need parameters ,and honestly having them would complicate giving the presentation, so this is a good thing. You could use this same approach to invoke methods with parameters, but you’d have a couple of things to figure out. When you invoke a .NET application from the command line, Windows will parse the arguments and pass them in as a string array (called ‘args’ in the boilerplate console project Program.cs). The parsing that gets done here is smart enough to deal with things like treating strings in double quotes as one argument, and you’d have to re-create that within your infinite loop if you wanted to use parameters. I plan on either submitting a pull request to CLAP to add this capability or maybe just making a small utility class/extension method to do it and posting that here in the future. So I now have a simple class with static methods to contain my code samples, and an infinite loop in my ‘main’ method that can accept text commands. Wiring this all up together is pretty easy: 1: static void Main(string[] args) 2: { 3: do 4: { 5: try 6: { 7: Console.Write("Enter command or 'exit' to quit: > "); 8: var command = Console.ReadLine(); 9: if ((command ?? string.Empty).Equals("exit", StringComparison.OrdinalIgnoreCase)) 10: { 11: Console.WriteLine("Quitting."); 12: break; 13: } 14:   15: Parser.Run<CodeSamples>(new[] { command }); 16: Console.WriteLine("---------------------------------------------------------"); 17: } 18: catch (Exception ex) 19: { 20: Console.Error.WriteLine("Error: " + ex.Message); 21: } 22:   23: } while (true); 24: } Note that I’m now passing the ‘CodeSamples’ class into the CLAP ‘Parser.Run’ as a type argument. This tells CLAP to inspect that class for methods that might be able to handle the commands passed in. I’m also throwing in a little “----“ style line separator and some basic error handling (because I happen to know that some of the samples are going to throw exceptions for demonstration purposes) and I’m good to go. Now during my presentation I can just have the console application running the whole time with the debugger attached and just type in the alias of the code sample method that I want to run when I want to run it.

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• piping findstr's output

  - by Gauthier

  Windows command line, I want to search a file for all rows starting with: # NNN "<file>.inc" where NNN is a number and <file> any string. I want to use findstr, because I cannot require that the users of the script install ack. Here is the expression I came up with: >findstr /r /c:"^# [0-9][0-9]* \"[a-zA-Z0-9_]*.inc" all_pre.txt The file to search is all_pre.txt. So far so good. Now I want to pipe that to another command, say for example more. >findstr /r /c:"^# [0-9][0-9]* \"[a-zA-Z0-9]*.inc" all_pre.txt | more The result of this is the same output as the previous command, but with the file name as prefix for every row (all_pre.txt). Then comes: FINDSTR: cannot open | FINDSTR: cannot open more Why doesn't the pipe work? snip of the content of all_pre.txt # 1 "main.ss" # 7 "main.ss" # 11 "main.ss" # 52 "main.ss" # 1 "Build_flags.inc" # 7 "Build_flags.inc" # 11 "Build_flags.inc" # 20 "Build_flags.inc"

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• Is it possible to open a new frame in html bellow an existing frame in HTML?

  - by Prashant Dubey

  Hi friends I have a html main.html as given ----- main.html---------------- <title>FlexTrail</title> <script src="main.js"></script> <frameset rows='200,200'> <frame id='one' src="file:///C:/Documents%20and%20Settings/demo/Desktop/FlexTrail/project1/bin-debug/project1.html" frameborder='0' /> <frame id='two' src="" frameborder='0' /> </frameset> </head> <body > </body> here the first frame contains a html generated by Flex Builder 3 and on button click on that flex project i am calling function func2() in main.js using External Interface. ---- main.js----------------- var flag2=0; function func2() { flag2=1; parent.frames['one'].location="file:///C:/Documents%20and%20Settings/demo/Desktop/FlexTrail/project1/bin-debug/project1.html"; parent.frames['two'].location="file:///C:/Documents%20and%20Settings/demo/Desktop/FlexTrail/project2/bin-debug/project2.html"; } I want the other file to open in same window bellow the first one.But the problem here is when i run this in IE8 the other frame opens in a different window but in Firefox im not getting any respose. Note:- Javascript is enabled in both browsers and popup are not blocked Plz tell me where i m wrong Thanks in advance Prashant Dubey

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• What's the best JSF implementation?

  - by Jeff

  Hey everyone, I currently have a medium size Java web application sitting on top of Spring MVC. As much as I like (no sarcasm) coding straight HTML, CSS and JS, it's not possible for me to develop as fast as I'd like. I'm looking at different RAD frameworks to speed up my development. I'm looking at JSF implementations and component libraries, Flex, GWT and a few others. As of now, Apache MyFaces (with ICEFaces) seems to be the front runner in my mind, but I'm curious to find out what you all think of that specific implementation and if the Sun implementation is any better? What's important to me is something that is stable, has an active community and that it doesn't look like there is another technology in the near future that is going to eclipse JSF (which would drive me to use a different RAD framework). Thanks in advance for the responses.

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• Using commit monitors as a form of code review

  - by Jeff Dege

  I'm working in a small company - four developers, working on a variety of projects. We've been looking at what we can do as cost-effective methods of process improvement, and an idea came up. Given what we do, we often have single developers working on parts of a system, independently of the other developers. This can have a number of negative affects: A developer might not be fully aware of the context in which a change is being implemented, and make the change in a way that will meet the current customer's needs, but will break functionality that other customers depend on. A developer might make a change that breaks the current architectural design, introducing a dependency that will cause problems in future development. Other developers might not be aware of how the system has changed, in areas that they have not worked on. We've talked about doing code reviews, as a way of dealing with these issues. But we've not had much success when we tried. It takes a lot of time to prepare a change for a code review, and it takes everybody out of production while the review is being performed. And the benefits of any review we've tried has been minimal. We're using Subversion (with TortioseSVN) as our VCS. I've been looking at the SubVersion CommitMonitor tool, and wondering whether it might work as a sort of poor-man's code review. It lists every commit made on the repository, allowing someone to see the changes that have been made, the log messages made for that change, the files that were included in the change, and the specific lines in each file that were changed. Rather than scheduling a meeting, trying to get everybody together to review every change, we could just have every developer review every other developer's commits, at whatever time was convenient. This would keep every developer abreast of what changes were being made elsewhere in the system, and would have every change reviewed for customer conflicts and design consistency, at a fairly low cost. If someone saw a problem with the code that was being checked in, he could discuss it with the developer who did the commit, or more likely, schedule a meeting to discuss how the new feature could be implemented in a way that would not impact other users or screw up the architecture. Anyone else doing anything like this, using commit monitors for such a purpose?

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• Using Git with shared (symbolic link) directories

  - by chmike

  I'm working on a big Qt application with multiple widgets which are quite complex. One of this widget is a webcam stream viewer. The application is organized so that each program module (i.e. widgets) is stored in its own directory with a .pri file. All these are stored in one main directory grouping all the widget directories. Next to this main project directory I also have application directories. Let say one for each widget. In these directory I have a symbolic link (alias on windows) to the module directory in the main project folder. This application has then the necessary code to build a standalone application showing only the widget. So for instance I have a webcam viewer application, another to control some devices, etc. This source code organization works well and allows me to develop and test the widgets in independent applications while sharing the code with the main application. Currently only the main project directory is under version control using subversion. Now I would like to start using git and would like to know if this shared directory model would work with it or if there is a better way to do it.

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• Getting XML parse error in coldfusion. Can the packet returned be validated?

  - by jeff

  Getting an error on occasion on a specific CF page. Offending code listed below. Very odd because when I rebooted CF it went away. Can the XML be checked via XMLValidate to prevent this from happening? Is this some sort of CF bug since the error disappeared after reboot of CF? I have a feeling that the error will resurface at some point. An error occured while Parsing an XML document. The element type "meta" must be terminated by the matching end-tag "". <cfhttp method="get" url="http://bs.mysite.com/webservice/rec/get.sbs?customerId=345S4BE8x&itemId=#product_id#&number=20&ruleId=#product.location_tab_accessories#"> <cfset result = xmlParse(cfhttp.FileContent)> <cfset recs = xmlSearch(result, "/result/thsite/site/itemId")>

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• C# threading pattern that will let me flush

  - by Jeff Alexander

  I have a class that implements the Begin/End Invocation pattern where I initially used ThreadPool.QueueUserWorkItem() to do thread my work. I now have the side effect where someone using my class is calling the Begin (with callback) a ton of times to do a lot of processing so ThreadPool.QueueUserWorkItem is creating a ton of threads to do the processing. That in itself isn't bad but there are instances where they want to abandon the processing and start a new process but they are forced to wait for their first request to finish. Since ThreadPool.QueueUseWorkItem() doesn't allow me to cancel the threads I am trying to come up with a better way to queue up the work and maybe use an explicit FlushQueue() method in my class to allow the caller to abandon work in my queue. Anyone have any suggestion on a threading pattern that fits my needs?

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• Linking C and CXX files in CMake

  - by vedro so snegom

  Hi I'm building C++ app with CMake. But it uses some source files in C. Here is simplified structure: trunk/CMakeLists.txt: project(myapp) set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} -g -Wall") add_subdirectory (src myapp) trunk/src/main.cpp: #include "smth/f.h" int main() { f(); } trunk/src/CMakeLists.txt: add_subdirectory (smth) link_directories (smth) set(APP_SRC main) add_executable (myapp ${APP_SRC}) target_link_libraries (myapp smth) trunk/src/smth/f.h: #ifndef F_H #define F_H void f(); #endif trunk/src/smth/f.c: #include "f.h" void f() {} trunk/src/smth/CMakeLists.txt set (SMTH_SRC some_cpp_file1 some_cpp_file2 f) add_library (smth STATIC ${SMTH_SRC}) The problem is: i run gmake, it compiles all the files and when it links all libs together, i get: undefined reference to `f()` in main.cpp if i rename f.c into f.cpp everything goes just fine. What's the difference and how to handle it? Thanks

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• Junit: splitting integration test and Unit tests.

  - by jeff porter

  Hello all, I've inherited a load of Junit test, but these tests (apart from most not working) are a mixture of actual unit test and integration tests (requiring external systems, db etc). So I'm trying to think of a way to actually separate them out, so that I can run the unit test nice and quickly and the integration tests after that. The options are.. 1: Split them into separate directories. 2: Move to Junit4 and annotate the classes to separate them. 3: Use a file naming convention to tell what a class is , i.e. AdapterATest and AdapterAIntergrationTest. 3 has the issue that Eclipse has the option to "Run all tests in the selected project/package or folder". So it would make it very hard to just run the integration tests. 2: runs the risk that developers might start writing integration tests in unit test classes and it just gets messy. 1: Seems like the neatest solution, but my gut says there must be a better solution out there. So that is my question, how do you lot break apart integration tests and proper unit tests?

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• How to fix issues when MSCRM Plugin Registration fails.

  - by Jeff Davis

  When you register a plug-in in Microsoft CRM all kinds of things can go wrong. Most commonly, the error I get is "An error occurred." When you look for more detail you just get: "Server was unable to process request" and under detail you see "An unexpected error occurred." Not very helpful. However, there are some good answers out there if you really dig. Anybody out there encountered this and how do you fix it?

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• JSF in jetty-equinox, Cannot find Bean classes in other bundles!

  - by Arnold

  Hi I have problems running JSF in an OSGi environment. I am using jetty web container and equinox to provide the OSGi functionality. The structure of my application is as follows: The first bundle has all the JSF libs, web.xml and a config.xml. It looks as the following: bundle1 ----src/main/java -------de/package ----------Activator.java ----------JSFResolver.java ----src/main/resource ------ WebContent ----------META-INF -------------face-config.xml --------------web.xhtml ----------start.xhtml -----------include.xhtml ----libs (containing all JSF required Jars) The structure of the second bundle is as follows: bundle2 ---src/main/java ------de/package ----------Bean.java ---src/main/resource ------META-INF ---------face-config.xml ------WebContent ---------index.xhtml When running the application of equinox, the bundle1 is the main bundle where all the browser requests are sent to. In the second bundle, the 'index.xhtml' file can be retrieved the by first bundle upon request. The 'index.xhtml' in bundle 2 gets its values and properties from the 'Bean.java' in bundle 2. The problem comes when i request the 'index.xhtml', the Bean.java class is not found. I think this is because the class loader of bundle1 cannot find it, it has no knowledge of it. So i would like to ask if anyone knows how to solve this problem. If so please do assist me, i have tried all the possibilities i had.. Is it infact possible to have JSF run on multiple bundles using the same FaceletsContex? Can i be able to have seperate faces-config.xml files in each bundle, which can all be connected other faces-config.xml in other bundles? Can anyone please provide me a solution. Sample code would help. thanks workspace_current.rar Arnold

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• Extremely slow MFMailComposeViewControllerDelegate

  - by Jeff B

  I have a bit of a strange problem. I am trying to send in-app email. I am also using Cocos2d. It works, so far as I get the mail window and I can send mail, but it is extremely slow. It seems to only accept touches every second or so. I checked the cpu usage, and it is quite low. I paused my director, so nothing else should be happening. Any ideas? I am pulling my hair out. I looked at some examples and did the following: Made my scene the mail delegate: @interface MyLayer : CCLayer <MFMailComposeViewControllerDelegate> { ... } And implemented the following function in the scenes: -(void) showEmailWindow: (id) sender { [[CCDirector sharedDirector] pause]; MFMailComposeViewController *picker = [[MFMailComposeViewController alloc] init]; picker.mailComposeDelegate = self; [picker setSubject: @"My subject here"]; NSString *emailBody = @"<h1>Here is my email!</h1>"; [picker setMessageBody:emailBody isHTML:YES]; [myMail presentModalViewController:picker animated:NO]; [picker release]; } I also implemented the mailComposeController, to handle the callback.

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