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• Copying Properties between 2 Different Types&hellip;

  - by Shawn Cicoria

  I’m not sure where I had seen some of this base code, but this comes up time & time again on projects. Here’s a little method that copies all the R/W properties (public) between 2 distinct class definitions: It’s called as follows: private static void Test1() { MyClass obj1 = new MyClass() { Prop1 = "one", Prop2 = "two", Prop3 = 100 }; MyOtherClass obj2 = null; obj2 = CopyClass(obj1); Console.WriteLine(obj1); Console.WriteLine(obj2); } namespace Space1 { public class MyClass { public string Prop1 { get; set; } public string Prop2 { get; set; } public int Prop3 { get; set; } public override string ToString() { var rv = string.Format("MyClass: {0} Prop2: {1} Prop3 {2}", Prop1, Prop2, Prop3); return rv; } } } namespace Space2 { public class MyOtherClass { public string Prop1 { get; set; } public string Prop2 { get; set; } public int Prop3 { get; set; } public override string ToString() { var rv = string.Format("MyOtherClass: {0} Prop2: {1} Prop3 {2}", Prop1, Prop2, Prop3); return rv; } } Source of the method: /// /// Provides a Copy of Public fields between 2 distinct classes /// /// Source class name /// Target class name /// Instance of type Source /// An instance of type Target copying all public properties matching name from the Source. public static T CopyClass(S source) where T : new() { T target = default(T); BindingFlags flags = BindingFlags.Public | BindingFlags.Instance; if (source == null) { return (T)target; } if (target == null) target = new T(); PropertyInfo[] objProperties = target.GetType().GetProperties(flags); foreach (PropertyInfo pi in objProperties) { string name = pi.Name; PropertyInfo sourceProp = source.GetType().GetProperty(name, flags); if (sourceProp == null) { throw new ApplicationException(string.Format("CopyClass - object type {0} & {1} mismatch in property:{2}", source.GetType(), target.GetType(), name)); } if (pi.CanWrite && sourceProp.CanRead) { object sourceValue = sourceProp.GetValue(source, null); pi.SetValue(target, sourceValue, null); } else { throw new ApplicationException(string.Format("CopyClass - can't read/write a property object types {0} & {1} property:{2}", source.GetType(), target.GetType(), name)); } } return target; }

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• When a co-worker asks you to teach him what you know, do you share the information or keep it to yourself? [closed]

  - by Chuck

  I am the only developer/DBA in a small IT department. There is another guy who can do it, but he's more of a backup as he spends his time working on IT support stuff. Anyway we have a new hire and I've been training him on the IT support side of things. Seems like he is eager to learn and be productive, but nobody is going out of their way to show him anything. He's been asking me to teach him database design, SQL, etc. For some reason, the boss has him working with me. He is also sending him to meetings that I go to, yet he hasn't said outright that I have to teach him anything. Meanwhile, the boss insists on doing a lot of the support work himself (i.e. he hoards information and doesn't delegate to anyone). I'm a little bit on the fence. First, the new guy doesn't yet have a strong foundation on the IT support functions which is where we really need help at this time. Second, I paid thousands of dollars for classes and spent many hours learning this stuff. Is it my responsibility to teach others skills that I had to learn on my own? Others here really aren't quick to share information so I'm not sure that I should either in this environment. I do know that if I get him involved, and get him started on projects, then I'd be responsible for his mistakes. I had to take the heat for the other guy when he made mistakes. OTOH the guy wants to learn something, is motivated, and I don't want to stop him. We've had our share of slackers in the group and it's nice to have someone who is willing to work for a change. So what would you guys do? Would you teach him the skills that you spent all of that time learning? Set him up with a test database on his PC and recommend some books for him? Encourage him to get a strong foundation in IT support first and ask later? We haven't had a new hire in years, let alone one that is interested in what I do, so this is new to me.

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• Spotlight on an office - Moscow

  - by Maria Sandu

  Probably the most famous place in Moscow, after Red Square, is the centre of Moscow. Here you can find beautiful buildings that seem to touch the sky, located on the banks of the river. In one of these high towers you can find the Oracle offices, friendly and modern. The stunning view will keep capture your attention for a couple of minutes and then you can enjoy a delicious coffee and take a seat at your desk, starting a new day. My name is Dmitry and I can tell you that we’re enjoying every minute spent in the office and that’s because of the pleasant atmosphere. As soon as you enter the offices, the friendly environment will make you feel more relaxed. Even though the space is split between the different departments, we interact and communicate a lot. We take our cup of coffee or tea together and discuss our achievements and all sort of subjects in the kitchen or in the open space. One of my favorite parts are the festive events when we celebrate with cakes and goodies. Any birthday or new arrival is a good reason for a tea party! We have some work-related traditions that help us as employees. One of them is the monthly Tech Hour when Experts from the Pre-sales team discuss technical topics and about the most recent innovations within the company. Lunch is another good opportunity to interact and chat. We have a variety of options, such as the two kitchens or the vast number of restaurants where you can serve up anything you want. As we are right in the centre of Moscow, you can choose between Sushi, Italian Pasta and all sorts of food. We usually go with our colleagues to have lunch. If you care about your health, I have very good news for you as nearby there are two first-class fitness centres with swimming pools, yoga and various sport classes that you can attend. My suggestion would be to either start or end your day with a visit to the swimming pool for a well-deserved hour of relaxation. As I mentioned before, we’re right in the heart of Moscow, so after work you can spend some time in the large shopping centers where you can choose between many different entertainment options. We often go to bowling or to the cinema. I hope I have given you a glimpse into working life at the Oracle offices in Moscow, a really great and pleasant place to work in, so follow us on http://campus.oracle.com for our latest vacancies and internships.

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• JDK 8u20 Documentation Updates

  - by joni g.

  JDK 8u20 has been released and is available from the Java Downloads page. See the JDK 8u20 Update Release Notes for details. Highlights for this release: The Medium security level has been removed. Now only High and Very High levels are available. Applets that do not conform with the latest security practices can still be authorized to run by adding the sites that host them to the Exception Site List. See Security for more information. The javafxpackager tool has been renamed to javapackager, and supports both Java and JavaFX applications. The -B option has been added to the javapackager deploy command to enable arguments to be passed to the bundlers that are used to create self-contained applications. See javapackager for Windows or Linux and OS X for information. The <fx:bundleArgument> helper parameter argument has been added to enable arguments to be passed to the bundlers when using ant tasks. See JavaFX Ant Task Reference for more information. A new attribute is available for JAR file manifests. The Entry-Point attribute is used to identify the classes that are allowed to be used as entry points to your application. See Entry-Point Attribute for more information. A new Microsoft Windows Installer (MSI) Enterprise JRE Installer, which enables users to install the JRE across the enterprise, is available for Java SE Advanced or Java SE Suite licensees. See Downloading the Installer in JRE Installation For Microsoft Windows for more information. The following new configuration parameters are added to the installation process to support commercial features, for use by Java SE Advanced or Java SE Suite licensees only: USAGETRACKERCFG= DEPLOYMENT_RULE_SET= See Installing With a Configuration File for more information about these and other installer parameters. Documentation highlights: New Troubleshooting Guide combines and replaces the Desktop Technologies Troubleshooting Guide and the HotSpot Virtual Machine Troubleshooting Guide to provide a single location for diagnosing and solving problems that might occur with Java Client applications. New Deployment Guide combines and replaces the JavaFX Deployment Guide and the Java Rich Internet Applications Guide to provide a single location for information about the Java packaging tools, creating self-contained applications, and deploying Java and JavaFX applications. New Garbage Collection Tuning Guide describes the garbage collectors included with the Java HotSpot VM and helps you choose which one to use. The Java Tutorials have a new look.

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• Do functional generics exist and what is the correct name for them if they do?

  - by voroninp

  Consider the following generic class: public class EntityChangeInfo<EntityType,TEntityKey> { ChangeTypeEnum ChangeType {get;} TEntityKeyType EntityKey {get;} } Here EntityType unambiguously defines TEntityKeyType. So it would be nice to have some kind of types' map: public class EntityChangeInfo<EntityType,TEntityKey> with map < [ EntityType : Person -> TEntityKeyType : int] [ EntityType : Car -> TEntityKeyType : CarIdType ]> { ChangeTypeEnum ChangeType {get;} TEntityKeyType EntityKey {get;} } Another one example is: public class Foo<TIn> with map < [TIn : Person -> TOut1 : string, TOut2 : int, ..., TOutN : double ] [TIn : Car -> TOut1 : int, TOut2 :int, ..., TOutN : Price ] > { TOut1 Prop1 {get;set;} TOut2 Prop2 {get;set;} ... TOutN PropN {get;set;} } The reasonable question: how can this be interpreted by the compiler? Well, for me it is just the shortcut for two structurally similar classes: public sealed class Foo<Person> { string Prop1 {get;set;} int Prop2 {get;set;} ... double PropN {get;set;} } public sealed class Foo<Car> { int Prop1 {get;set;} int Prop2 {get;set;} ... Price PropN {get;set;} } But besides this we could imaging some update of the Foo<>: public class Foo<TIn> with map < [TIn : Person -> TOut1 : string, TOut2 : int, ..., TOutN : double ] [TIn : Car -> TOut1 : int, TOut2 :int, ..., TOutN : Price ] > { TOut1 Prop1 {get;set;} TOut2 Prop2 {get;set;} ... TOutN PropN {get;set;} public override string ToString() { return string.Format("prop1={0}, prop2={1},...propN={N-1}, Prop1, Prop2,...,PropN); } } This all can seem quite superficial but the idea came when I was designing the messages for our system. The very first class. Many messages with the same structure should be discriminated by the EntityType. So the question is whether such construct exists in any programming language?

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• Development Approach: User Interface In or Domain Model Out?

  - by Berin Loritsch

  While I've never delivered anything using Smalltalk, my brief time playing with it has definitely left its mark. The only way to describe the experience is MVC the way it was meant to be. Essentially, all the heavy lifting for your application is done in the business objects (or domain model if you are so inclined). The standard controls are bound to the business objects in some way. For example, a text box is mapped to an object's field (the field itself is an object so it's easy to do). A button would mapped to a method. This is all done with a very simple and natural API. We don't have to think about binding objects, etc. It just works. Yet, in many newer languages and APIs you are forced to think from the outside in. First with C++ and MFC, and now with C# and WPF, Microsoft has gotten it's developer world hooked on GUI builders where you build your application by implementing event handlers. Java Swing development isn't so different, only you are writing the code to instantiate the controls on the form yourself. For some projects, there may never even be a domain model--just event handlers. I've been in and around this model for most of my carreer. Each way forces you to think differently. With the Smalltalk approach, your domain is smart while your GUI is dumb. With the default VisualStudio approach, your GUI is smart while your domain model (if it exists) is rather anemic. Many developers that I work with see value in the Smalltalk approach, and try to shoehorn that approach into the VisualStudio environment. WPF has some dynamic binding features that makes it possible; but there are limitations. Inevitably some code that belongs in the domain model ends up in the GUI classes. So, which way do you design/develop your code? Why? GUI first. User interaction is paramount. Domain first. I need to make sure the system is correct before we put a UI on it. There's pros and cons for either approach. Domain model fits in there with crystal cathedrals and pie in the sky. GUI fits in there with quick and dirty (sometimes really dirty). And for an added bonus: How do you make sure the code is maintainable?

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• Is it smart to take a year off from school to get experience?

  - by user134147

  firstly I apologize if this question is not appropriate for the site, but I've seen other similar (though slightly deviant) questions on this sight before and I know the people here are the most qualified to answer my question. Anyways, I'm currently between my sophomore and junior years at a 4 year university, and after a bit of deliberation I've decided on computer science as a major (BA, by the way, as a BS would require me to stay at least an extra year the way our program is set up). I've been interested now in programming for a few months and I've developed a passion for it in a very short time. I began learning C++, migrating to Java recently when I learned my school focuses on this language. Now, I should mention that the concept of higher education has never sat well with me, so part of my motivation for wanting to take time off is to truly challenge myself and see what I can accomplish when I actually try at something. The autodidact in me finds it difficult to focus on my passions while trying to keep a high GPA in unrelated classes. However, I understand the times we live in and therefore would plan to complete my degree after this year. So my question is whether or not the skills I learn in a year off from college could justify the time off from school. Unfortunately, I don't believe I know enough yet to gain any professional experience (internship, etc.) so I would mostly focus my time on learning Java and another language, possibly Wordpress (to gain an understanding of web programming concepts as I have not yet decided what field I want to get into, and to make some money to fund my off-year), and to delve into security concepts, which also interest me. I'm hoping I could work on projects, such as simple applications or contributions to open source software during this time to enhance my resume once I do finish school, so I can find a job out of college easier. I do not want to be the new hire who knows nothing beyond the concepts of his Java textbooks. Does anyone have any input about these thoughts of mine, or any ideas for where I should focus my studies or how high I might set the bar for my work? Thanks a lot everyone!

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• Do functional generics exist or what is the correct name for them if they do?

  - by voroninp

  Consider the following generic class public class EntityChangeInfo<EntityType,TEntityKey> { ChangeTypeEnum ChangeType {get;} TEntityKeyType EntityKey {get;} } Here EntityType unambiguously defines TEntityKeyType. So it would be nice to have some kind of types' map public class EntityChangeInfo<EntityType,TEntityKey> with map < [ EntityType : Person -> TEntityKeyType : int] [ EntityType : Car -> TEntityKeyType : CarIdType ]> { ChangeTypeEnum ChangeType {get;} TEntityKeyType EntityKey {get;} } Another one example is: public class Foo<TIn> with map < [TIn : Person -> TOut1 : string, TOut2 : int, ..., TOutN : double ] [TIn : Car -> TOut1 : int, TOut2 :int, ..., TOutN : Price ] > { TOut1 Prop1 {get;set;} TOut2 Prop2 {get;set;} ... TOutN PropN {get;set;} } The reasonable question how this can be interpreted by the compiler? Well, for me it is just the sortcut for two structurally similar classes: public sealed class Foo<Person> { string Prop1 {get;set;} int Prop2 {get;set;} ... double PropN {get;set;} } public sealed class Foo<Car> { int Prop1 {get;set;} int Prop2 {get;set;} ... Price PropN {get;set;} } But besides this we could imaging some update of the Foo<: public class Foo<TIn> with map < [TIn : Person -> TOut1 : string, TOut2 : int, ..., TOutN : double ] [TIn : Car -> TOut1 : int, TOut2 :int, ..., TOutN : Price ] > { TOut1 Prop1 {get;set;} TOut2 Prop2 {get;set;} ... TOutN PropN {get;set;} public override string ToString() { return string.Format("prop1={0}, prop2={1},...propN={N-1}, Prop1, Prop2,...,PropN); } } This all can seem quite superficial but the idea came when I was designing the messages for our system. The very first class. Many messages with the same structrue should be discriminated by the EntityType. So the question is whether such construct exist in any programming language?

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• "Collection Wrapper" pattern - is this common?

  - by Prog

  A different question of mine had to do with encapsulating member data structures inside classes. In order to understand this question better please read that question and look at the approach discussed. One of the guys who answered that question said that the approach is good, but if I understood him correctly - he said that there should be a class existing just for the purpose of wrapping the collection, instead of an ordinary class offering a number of public methods just to access the member collection. For example, instead of this: class SomeClass{ // downright exposing the concrete collection. Things[] someCollection; // other stuff omitted Thing[] getCollection(){return someCollection;} } Or this: class SomeClass{ // encapsulating the collection, but inflating the class' public interface. Thing[] someCollection; // class functionality omitted. public Thing getThing(int index){ return someCollection[index]; } public int getSize(){ return someCollection.length; } public void setThing(int index, Thing thing){ someCollection[index] = thing; } public void removeThing(int index){ someCollection[index] = null; } } We'll have this: // encapsulating the collection - in a different class, dedicated to this. class SomeClass{ CollectionWrapper someCollection; CollectionWrapper getCollection(){return someCollection;} } class CollectionWrapper{ Thing[] someCollection; public Thing getThing(int index){ return someCollection[index]; } public int getSize(){ return someCollection.length; } public void setThing(int index, Thing thing){ someCollection[index] = thing; } public void removeThing(int index){ someCollection[index] = null; } } This way, the inner data structure in SomeClass can change without affecting client code, and without forcing SomeClass to offer a lot of public methods just to access the inner collection. CollectionWrapper does this instead. E.g. if the collection changes from an array to a List, the internal implementation of CollectionWrapper changes, but client code stays the same. Also, the CollectionWrapper can hide certain things from the client code - from example, it can disallow mutation to the collection by not having the methods setThing and removeThing. This approach to decoupling client code from the concrete data structure seems IMHO pretty good. Is this approach common? What are it's downfalls? Is this used in practice?

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• Architecture or Pattern for handling properties with custom setter/getter?

  - by Shelby115

  Current Situation: I'm doing a simple MVC site for keeping journals as a personal project. My concern is I'm trying to keep the interaction between the pages and the classes simplistic. Where I run into issues is the password field. My setter encrypts the password, so the getter retrieves the encrypted password. public class JournalBook { private IEncryptor _encryptor { get; set; } private String _password { get; set; } public Int32 id { get; set; } public String name { get; set; } public String description { get; set; } public String password { get { return this._password; } set { this.setPassword(this._password, value, value); } } public List<Journal> journals { get; set; } public DateTime created { get; set; } public DateTime lastModified { get; set; } public Boolean passwordProtected { get { return this.password != null && this.password != String.Empty; } } ... } I'm currently using model-binding to submit changes or create new JournalBooks (like below). The problem arises that in the code below book.password is always null, I'm pretty sure this is because of the custom setter. [HttpPost] public ActionResult Create(JournalBook book) { // Create the JournalBook if not null. if (book != null) this.JournalBooks.Add(book); return RedirectToAction("Index"); } Question(s): Should I be handling this not in the property's getter/setter? Is there a pattern or architecture that allows for model-binding or another simple method when properties need to have custom getters/setters to manipulate the data? To summarize, how can I handle the password storing with encryption such that I have the following, Robust architecture I don't store the password as plaintext. Submitting a new or modified JournalBook is as easy as default model-binding (or close to it).

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• Should we persist with an employee still writing bad code after many years?

  - by user94986

  I've been assigned the task of managing developers for a well-established company. They have a single developer who specialises in all their C++ coding (since forever), but the quality of the work is abysmal. Code reviews and testing have revealed many problems, one of the worst being memory leaks. The developer has never tested his code for leaks, and I discovered that the applications could leak many MBs with only a minute of use. User's were reporting huge slowdowns, and his take was, "it's nothing to do with me - if they quit and restart, it's all good again." I've given him tools to detect and trace the leaks, and sat down with him for many hours to demonstrate how the tools are used, where the problems occur, and what to do to fix them. We're 6 months down the track, and I assigned him to write a new module. I reviewed it before it was integrated into our larger code base, and was dismayed to discover the same bad coding as before. The part that I find incomprehensible is that some of the coding is worse than amateurish. For example, he wanted a class (Foo) that could populate an object of another class (Bar). He decided that Foo would hold a reference to Bar, e.g.: class Foo { public: Foo(Bar& bar) : m_bar(bar) {} private: Bar& m_bar; }; But (for other reasons) he also needed a default constructor for Foo and, rather than question his initial design, he wrote this gem: Foo::Foo() : m_bar(*(new Bar)) {} So every time the default constructor is called, a Bar is leaked. To make matters worse, Foo allocates memory from the heap for 2 other objects, but he didn't write a destructor or copy constructor. So every allocation of Foo actually leaks 3 different objects, and you can imagine what happened when a Foo was copied. And - it only gets better - he repeated the same pattern on three other classes, so it isn't a one-off slip. The whole concept is wrong on so many levels. I would feel more understanding if this came from a total novice. But this guy has been doing this for many years and has had very focussed training and advice over the past few months. I realise he has been working without mentoring or peer reviews most of that time, but I'm beginning to feel he can't change. So my question is, would you persist with someone who is writing such obviously bad code?

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• Is this a valid implementation of the repository pattern?

  - by user1578653

  I've been reading up about the repository pattern, with a view to implementing it in my own application. Almost all examples I've found on the internet use some kind of existing framework rather than showing how to implement it 'from scratch'. Here's my first thoughts of how I might implement it - I was wondering if anyone could advise me on whether this is correct? I have two tables, named CONTAINERS and BITS. Each CONTAINER can contain any number of BITs. I represent them as two classes: class Container{ private $bits; private $id; //...and a property for each column in the table... public function __construct(){ $this->bits = array(); } public function addBit($bit){ $this->bits[] = $bit; } //...getters and setters... } class Bit{ //some properties, methods etc... } Each class will have a property for each column in its respective table. I then have a couple of 'repositories' which handle things to do with saving/retrieving these objects from the database: //repository to control saving/retrieving Containers from the database class ContainerRepository{ //inject the bit repository for use later public function __construct($bitRepo){ $this->bitRepo = $bitRepo; } public function getById($id){ //talk directly to Oracle here to all column data into the object //get all the bits in the container $bits = $this->bitRepo->getByContainerId($id); foreach($bits as $bit){ $container->addBit($bit); } //return an instance of Container } public function persist($container){ //talk directly to Oracle here to save it to the database //if its ID is NULL, create a new container in database, otherwise update the existing one //use BitRepository to save each of the Bits inside the Container $bitRepo = $this->bitRepo; foreach($container->bits as $bit){ $bitRepo->persist($bit); } } } //repository to control saving/retrieving Bits from the database class BitRepository{ public function getById($id){} public function getByContainerId($containerId){} public function persist($bit){} } Therefore, the code I would use to get an instance of Container from the database would be: $bitRepo = new BitRepository(); $containerRepo = new ContainerRepository($bitRepo); $container = $containerRepo->getById($id); Or to create a new one and save to the database: $bitRepo = new BitRepository(); $containerRepo = new ContainerRepository($bitRepo); $container = new Container(); $container->setSomeProperty(1); $bit = new Bit(); $container->addBit($bit); $containerRepo->persist($container); Can someone advise me as to whether I have implemented this pattern correctly? Thanks!

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• Email with extra '.com' behind sender email address

  - by CHT

  Currently I had a situation where I sent an email to [email protected], but when I receive mail from [email protected], it showed as [email protected], with extra '.com' behind the email address, this just happen within this week. Before this, I didn't change any setting, currently I am using Outlook 2010. When I checked the email in webmail, it also showed it as [email protected]. It seem that it has nothing to do with Outlook. However, I also tried on Thunderbird 16.0.1, but still the problem is the same. Has anyone experienced this before? Is the problem caused by the sender or receiver? Header Message as below: Return-Path: [email protected] Received: from colo4.roaringpenguin.com (not-assigned.privatedns.com [174.142.115.36] (may be forged)) by pioneerpos.com (8.12.11/8.12.11) with ESMTP id q9V6OsKU032650 for [email protected]; Wed, 31 Oct 2012 01:24:55 -0500 Received: from mail.pointsoft.com.tw (pointsoft.com.tw [59.124.242.126]) by colo4.roaringpenguin.com (8.14.3/8.14.3/Debian-9.4) with ESMTP id q9V6OmN0026374 for [email protected]; Wed, 31 Oct 2012 02:24:50 -0400 X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----_=_NextPart_001_01CDB730.6B3D5A51" Subject: =?big5?B?scTByrPmLblzpfM=?= Date: Wed, 31 Oct 2012 14:25:16 +0800 Message-ID: X-MS-Has-Attach: yes X-MS-TNEF-Correlator: thread-topic: =?big5?B?scTByrPmLblzpfM=?= thread-index: Ac23MH3YpZuLx2ejTYqR5PfoZ+IoBw== X-Priority: 1 Priority: Urgent Importance: high From: "Alice" [email protected] To: "Bob" [email protected] X-Spam-Score: undef - pointsoft.com.tw is whitelisted. X-CanIt-Geo: ip=59.124.242.126; country=TW; region=03; city=Taipei; latitude=25.0392; longitude=121.5250; http://maps.google.com/maps?q=25.0392,121.5250&z=6 X-CanItPRO-Stream: pioneerpos-com:default (inherits from rp-customers:default,base:default) X-Canit-Stats-ID: 02IhGoMJb - 2e7fa924443e - 20121031 X-CanIt-Archive-Cluster: irqpXI7aJGyo4Ewta7qVH399FOg X-Scanned-By: CanIt (www . roaringpenguin . com) on 174.142.115.36

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• Having trouble redirecting frevvo using mod_proxy

  - by user38859

  This question is similar to this: http://serverfault.com/questions/102868/how-to-access-webservers-running-on-ports-blocked-on-companys-network Basically, I'm using confluence and a plugin called frevvo. Confluence sits on port 8080 while frevvo sits on port 8082. I want to redirect both of them to port 80 via Apache HTTP web server so that it doesn't get blocked by company proxies. I've been using the document on Atlassian that shows me how to run confluence behind Apache (I can't post a second URL due to being a newbie here) I've successfully redirected Confluence from port 8080 to port 80 so I can now access Confluence using www.example.com/confluence. Now I tried doing the same thing to frevvo with the following configurations: Apache httpd: ProxyRequests Off ProxyPreserveHost On <Proxy *> Order deny,allow Allow from all </Proxy> ProxyPass /confluence http://localhost:8080/confluence ProxyPassReverse /confluence http://localhost:8080/confluence <Location /confluence> Order allow,deny Allow from all </Location> ProxyPass /frevvo http://localhost:8082/ ProxyPassReverse /frevvo http://localhost:8082/ <Location /forms> Order allow,deny Allow from all </Location> And in server.xml for the frevvo Tomcat instance, I added the following within <Host> tag: <Context path=" " docBase="" debug="0" reloadable="false"> <!-- Logger is deprecated in Tomcat 5.5. Logging configuration for Confluence is specified in confluence/WEB-INF/classes/log4j.properties --> <Manager pathname="" /> </Context> The plugin, frevvo, when accessed through the browser using http://localhost:8082 usually redirect to http://localhost:8082/frevvo/web With the above configuration, when accessing www.example.com.au/frevvo redirects to www.example.com/frevvo/web/static/login - which doesn't work. I hope the above details is clear and appreciate anyone who could give us some insight.

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• Snow Leopard doesn't repair permissions, despite showing / saying its fixed them?

  - by Jules

  Sometime ago, I used carbon copy as I was replacing my hard drive in my Mac Mini running Snow Leopard. Afterwards, on my new drive I had some permission problems. I've tried several times running a repair permissions / repair disk from disk util. It shows that there are problems and I think it says its correceted the problems. However the problems remain, what can I do to fix them ? It doesn't seem to cause me any problems, that I can tell EDIT Repairing permissions for “Macintosh HD” Permissions differ on "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Support/Remote Desktop Message.app/Contents/Resources/Italian.lproj/UIAgent.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Support/Remote Desktop Message.app/Contents/Resources/Italian.lproj/UIAgent.nib". Permissions differ on "System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Classes/jconsole.jar", should be -rw-r--r-- , they are lrwxr-xr-x . Repaired "System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Classes/jconsole.jar". User differs on "System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Home/lib", should be 95, user is 0. Repaired "System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Home/lib". User differs on "System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Libraries", should be 95, user is 0. Repaired "System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Libraries". Permissions differ on "System/Library/Frameworks/JavaVM.framework/Versions/A/Resources/Deploy.bundle/Contents/Home/lib/security/cacerts", should be -rw-r--r-- , they are lrwxr-xr-x . Repaired "System/Library/Frameworks/JavaVM.framework/Versions/A/Resources/Deploy.bundle/Contents/Home/lib/security/cacerts". Permissions differ on "System/Library/Frameworks/JavaVM.framework/Versions/A/Resources/Deploy.bundle/Contents/Resources/Java/deploy.jar", should be -rw-r--r-- , they are lrwxr-xr-x . Repaired "System/Library/Frameworks/JavaVM.framework/Versions/A/Resources/Deploy.bundle/Contents/Resources/Java/deploy.jar". Permissions differ on "System/Library/Frameworks/JavaVM.framework/Versions/A/Resources/Deploy.bundle/Contents/Resources/Java/libdeploy.jnilib", should be -rwxr-xr-x , they are lrwxr-xr-x . Repaired "System/Library/Frameworks/JavaVM.framework/Versions/A/Resources/Deploy.bundle/Contents/Resources/Java/libdeploy.jnilib". Permissions differ on "System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/Support/LockScreenLeopard386.app/Contents/Resources/Italian.lproj/MainMenu.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/Support/LockScreenLeopard386.app/Contents/Resources/Italian.lproj/MainMenu.nib". Permissions differ on "System/Library/CoreServices/Menu Extras/RemoteDesktop.menu/Contents/Resources/zh_TW.lproj/RemoteDesktopMenu.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/Menu Extras/RemoteDesktop.menu/Contents/Resources/zh_TW.lproj/RemoteDesktopMenu.nib". Permissions differ on "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Support/Remote Desktop Message.app/Contents/Resources/zh_TW.lproj/UIAgent.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Support/Remote Desktop Message.app/Contents/Resources/zh_TW.lproj/UIAgent.nib". Permissions differ on "System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/Support/LockScreen.app/Contents/Resources/zh_TW.lproj/MainMenu.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/Support/LockScreen.app/Contents/Resources/zh_TW.lproj/MainMenu.nib". Permissions differ on "System/Library/CoreServices/Menu Extras/RemoteDesktop.menu/Contents/Resources/zh_CN.lproj/RemoteDesktopMenu.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/Menu Extras/RemoteDesktop.menu/Contents/Resources/zh_CN.lproj/RemoteDesktopMenu.nib". Permissions differ on "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Support/Remote Desktop Message.app/Contents/Resources/zh_CN.lproj/UIAgent.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Support/Remote Desktop Message.app/Contents/Resources/zh_CN.lproj/UIAgent.nib". Permissions differ on "System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/Support/LockScreen.app/Contents/Resources/zh_CN.lproj/MainMenu.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/Support/LockScreen.app/Contents/Resources/zh_CN.lproj/MainMenu.nib". Permissions differ on "System/Library/CoreServices/Menu Extras/RemoteDesktop.menu/Contents/Resources/ko.lproj/RemoteDesktopMenu.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/Menu Extras/RemoteDesktop.menu/Contents/Resources/ko.lproj/RemoteDesktopMenu.nib". Permissions differ on "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Support/Remote Desktop Message.app/Contents/Resources/ko.lproj/UIAgent.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Support/Remote Desktop Message.app/Contents/Resources/ko.lproj/UIAgent.nib". Permissions differ on "System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/Support/LockScreen.app/Contents/Resources/ko.lproj/MainMenu.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/Support/LockScreen.app/Contents/Resources/ko.lproj/MainMenu.nib". Permissions differ on "System/Library/CoreServices/Menu Extras/RemoteDesktop.menu/Contents/Resources/Dutch.lproj/RemoteDesktopMenu.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/Menu Extras/RemoteDesktop.menu/Contents/Resources/Dutch.lproj/RemoteDesktopMenu.nib". Permissions differ on "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Support/Remote Desktop Message.app/Contents/Resources/Dutch.lproj/UIAgent.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Support/Remote Desktop Message.app/Contents/Resources/Dutch.lproj/UIAgent.nib". Permissions differ on "System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/Support/LockScreen.app/Contents/Resources/Dutch.lproj/MainMenu.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/Support/LockScreen.app/Contents/Resources/Dutch.lproj/MainMenu.nib". Permissions differ on "System/Library/CoreServices/Menu Extras/RemoteDesktop.menu/Contents/Resources/Italian.lproj/RemoteDesktopMenu.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/Menu Extras/RemoteDesktop.menu/Contents/Resources/Italian.lproj/RemoteDesktopMenu.nib". Permissions differ on "System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/Support/LockScreen.app/Contents/Resources/Italian.lproj/MainMenu.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/Support/LockScreen.app/Contents/Resources/Italian.lproj/MainMenu.nib". Permissions differ on "System/Library/CoreServices/Menu Extras/RemoteDesktop.menu/Contents/Resources/Spanish.lproj/RemoteDesktopMenu.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/Menu Extras/RemoteDesktop.menu/Contents/Resources/Spanish.lproj/RemoteDesktopMenu.nib". Permissions differ on "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Support/Remote Desktop Message.app/Contents/Resources/Spanish.lproj/UIAgent.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Support/Remote Desktop Message.app/Contents/Resources/Spanish.lproj/UIAgent.nib". Permissions differ on "System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/Support/LockScreen.app/Contents/Resources/Spanish.lproj/MainMenu.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/Support/LockScreen.app/Contents/Resources/Spanish.lproj/MainMenu.nib". Permissions differ on "System/Library/CoreServices/Menu Extras/RemoteDesktop.menu/Contents/Resources/French.lproj/RemoteDesktopMenu.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/Menu Extras/RemoteDesktop.menu/Contents/Resources/French.lproj/RemoteDesktopMenu.nib". Permissions differ on "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Support/Remote Desktop Message.app/Contents/Resources/French.lproj/UIAgent.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Support/Remote Desktop Message.app/Contents/Resources/French.lproj/UIAgent.nib". Permissions differ on "System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/Support/LockScreen.app/Contents/Resources/French.lproj/MainMenu.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/Support/LockScreen.app/Contents/Resources/French.lproj/MainMenu.nib". Permissions differ on "System/Library/CoreServices/Menu Extras/RemoteDesktop.menu/Contents/Resources/German.lproj/RemoteDesktopMenu.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/Menu Extras/RemoteDesktop.menu/Contents/Resources/German.lproj/RemoteDesktopMenu.nib". Permissions differ on "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Support/Remote Desktop Message.app/Contents/Resources/German.lproj/UIAgent.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Support/Remote Desktop Message.app/Contents/Resources/German.lproj/UIAgent.nib". Permissions differ on "System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/Support/LockScreen.app/Contents/Resources/German.lproj/MainMenu.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/Support/LockScreen.app/Contents/Resources/German.lproj/MainMenu.nib". Permissions differ on "System/Library/CoreServices/Menu Extras/RemoteDesktop.menu/Contents/Resources/Japanese.lproj/RemoteDesktopMenu.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/Menu Extras/RemoteDesktop.menu/Contents/Resources/Japanese.lproj/RemoteDesktopMenu.nib". Permissions differ on "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Support/Remote Desktop Message.app/Contents/Resources/Japanese.lproj/UIAgent.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Support/Remote Desktop Message.app/Contents/Resources/Japanese.lproj/UIAgent.nib". Permissions differ on "System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/Support/LockScreen.app/Contents/Resources/Japanese.lproj/MainMenu.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/Support/LockScreen.app/Contents/Resources/Japanese.lproj/MainMenu.nib". Permissions differ on "System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Resources/JavaPluginCocoa.bundle/Contents/Resources/Java/deploy.jar", should be -rw-r--r-- , they are lrwxr-xr-x . Repaired "System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Resources/JavaPluginCocoa.bundle/Contents/Resources/Java/deploy.jar". Permissions differ on "System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Resources/JavaPluginCocoa.bundle/Contents/Resources/Java/libdeploy.jnilib", should be -rwxr-xr-x , they are lrwxr-xr-x . Repaired "System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Resources/JavaPluginCocoa.bundle/Contents/Resources/Java/libdeploy.jnilib". Permissions differ on "System/Library/CoreServices/Menu Extras/RemoteDesktop.menu/Contents/Resources/English.lproj/RemoteDesktopMenu.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/Menu Extras/RemoteDesktop.menu/Contents/Resources/English.lproj/RemoteDesktopMenu.nib". Warning: SUID file "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/MacOS/ARDAgent" has been modified and will not be repaired. Permissions differ on "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Support/Remote Desktop Message.app/Contents/Resources/English.lproj/UIAgent.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Support/Remote Desktop Message.app/Contents/Resources/English.lproj/UIAgent.nib". Permissions differ on "System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/Support/LockScreen.app/Contents/Resources/English.lproj/MainMenu.nib", should be drwxr-xr-x , they are -rwxr-xr-x . Repaired "System/Library/CoreServices/RemoteManagement/AppleVNCServer.bundle/Contents/Support/LockScreen.app/Contents/Resources/English.lproj/MainMenu.nib". Group differs on "private/var/log/kernel.log", should be 80, group is 0. Permissions differ on "private/var/log/kernel.log", should be -rw-r----- , they are -rw-r--r-- . Repaired "private/var/log/kernel.log". Group differs on "private/var/log/secure.log", should be 80, group is 0. Permissions differ on "private/var/log/secure.log", should be -rw-r----- , they are -rw-r--r-- . Repaired "private/var/log/secure.log". Group differs on "private/var/log/system.log", should be 80, group is 0. Permissions differ on "private/var/log/system.log", should be -rw-r----- , they are -rw-r--r-- . Repaired "private/var/log/system.log". Permissions repair complete

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• Traffic Shaping using tc

  - by Simon

  Hi guys, I have a 1.5 Mbit/s link that i want to share with 150 users. My setup is the following: Linux box with 3 NICs eth0 - public ip eth1 - subnet A - 50 users (static ips) eth2 - subnet B - 100 users (via dhcp) I am using squid as a transparent proxy on port 3128. dhcp server using ports 67 and 68. I was creating, but I think packets are not going to the right queues #!/bin/bash DEV=eth0 RATE_MAIN=2048kbit CEIL_MAIN=2048kbit BURST=1b CBURST=1b RATE_DEFAULT=1024kbit CEIL_DEFAULT=$CEIL_MAIN PRIO_DEFAULT=3 RATE_P2P=1024Kbit CEIL_P2P=$CEIL_MAIN PRIO_P2P=4 RATE_IND=32kbit CEIL_IND=$CEIL_DEFAULT tc qdisc del dev $DEV root tc qdisc add dev $DEV root handle 1: htb default 30 tc class add dev $DEV parent 1: classid 1:1 htb rate $RATE_MAIN ceil $CEIL_MAIN tc class add dev $DEV parent 1:1 classid 1:10 htb rate $RATE_DEFAULT ceil $CEIL_MAIN burst $BURST cburst $CBURST prio $PRIO_WEB ## some other sub class for p2p other traffic tc class add dev $DEV parent 1:1 classid 1:20 htb rate $RATE_P2P ceil $CEIL_P2P burst $BURST cburst $CBURST prio $PRIO_P2P $IPS_NET1=50 $IPS_NET2=100 let $IPS=$IPS_NET1+$IPS_NET2 for ((i=1; i<= $IPS; i++)) do let CLASSID=($i+100) let HANDLE=($i+100) tc class add dev $DEV parent 1:10 classid 1:$CLASSID htb rate $RATE_IND ceil $CEIL_IND tc qdisc add dev $DEV parent 1:$CLASSID handle $HANDLE: sfq perturb 10 done ## Generate IP addresses ## IP_ADDRESSES="" # Subnet A BASE_IP=10.10.10. for ((i=2; i<=$IPS_NET1+1; i++)) do TEMP="$BASE_IP$i" IP=ADDRESSES="$IP_ADDRESSES $TEMP" done # Subnet B BASE_IP=192.168.0. for ((i=2; i<=$IPS_NET2+1; i++)) do TEMP="$BASE_IP$i" IP_ADDRESSES="$IP_ADDRESSES $TEMP" done ## FILTERS ## j=1 U32="tc filter add dev $DEV protocol ip parent 1:0 prio $PRIO_DEFAULT u32" for NET in $IP_ADDRESSES; do let CLASSID=($j+100) $U32_DEFAULT match ip src $NET/32 flowid 1:$CLASSID $U32_DEFAULT match ip dst $NET/32 flowid 1:$CLASSID let j=j+1 done Can you guys help me figure out what's wrong with it? basically I want my classes to be 1:1 (1.5 Mbit ) 1:10 (1024 Kbit) 1:20 (1024 Kbit) (200 ips each with 32 kbit)

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• Pushing updates to live server... FTP isn't cutting it... a better method?

  - by Jenkz

  I'm the lead developer in a team of 2. My partner has only just joined the project and despite using GIT for version control etc, we are still stuck in the dark ages when it comes to code deployment. Currently I make all site updates via FTP (this way I have control / responsibility over everything that goes live), using Filezilla. I've done this for years, but we now have some large PHP classes (300KB), and a lot of traffic. So in short, every time I upload a key class "general" for example, the site goes down until the file finishes uploading. This is only 5/6 seconds at a time, but this is increasingly unacceptable. I realise I can upload the file under a different name and then rename both files... but really there must be a better way? I've heard about rsyncing code across from another server, but I don't see how this prevents switching to the new file whilst uploading. We only have one server (for DB and Apache) but also use some cloud servers (for openx as an example).

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• How to write re-usable puppet definitions?

  - by Oliver Probst

  I'd like to write a puppet manifest to install and configure an application on target servers. Parts of this manifest shall be re-usable. Thus I used define for defining my re-usable functionality. Doing so, I've always the problem that there are parts of the definition which are not re-usable. A simple example is a bunch of configuration files to be created. These file must be placed in the same directory. This directory must be created only once. Example: nodes.pp node 'myNode.in.a.domain' { mymodule::addconfig {'configfile1.xml': param => 'somevalue', } mymodule::addconfig {'configfile2.xml': param => 'someothervalue', } } mymodule.pp define mymodule::addconfig ($param) { $config_dir = "/the/directory/" #ensure that directory exits: file { $config_dir: ensure => directory, } #create the configuration file: file { $name: path => "${config_dir}/${name}" content => template('a_template.erb'), require => File[$config_dir], } } This example will fail, because now the resource file {$config_dir: is defined twice. As far as I understood, it is required to extract these parts into a class. Then it looks like this: nodes.pp node 'myNode.in.a.domain' { class { 'mymodule::createConfigurationDirectory': } mymodule::addconfig {'configfile1.xml': param => 'somevalue', require => Class ['mymodule::createConfigurationDirectory'], } mymodule::addconfig {'configfile2.xml': param => 'someothervalue', require => Class ['mymodule::createConfigurationDirectory'], } } But this makes my interface hard use. Every user of my module has to know, that there is a class which is additionally required. For this simple use case the additional class might be acceptable. But with growing module complexity (lots of definitions) I'm a bit afraid of confusing the modules user. So I'd like to know is there a better way to handle this dependencies. Ideally, classes like createConfigurationDirectory are hidden from the user of the modules api. Or are there some other "Best Practices"/Patterns handling such dependencies?

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• Squirrelmail receiving duplicate emails

  - by Austin

  A client of mine is experiencing issues with his email, it appears that whenever he receives email from a certain domain it comes as duplicates. Not only are they duplicates but the duplicated items have a (+) sign next to them which usually indicates an attachment. Could this be because of a forwarding issue? Here are the headers: Return-Path: <[email protected]> Received: from bigcat.centralmasswebdesign.com (root@localhost) by tarbellconstruction.com (8.13.1/8.13.1) with ESMTP id o4OFnO23003379 for <[email protected]>; Mon, 24 May 2010 11:49:24 -0400 X-ClientAddr: 72.249.26.200 Received: from mf3.spamfiltering.com (mf3.spamfiltering.com [72.249.26.200]) by bigcat.centralmasswebdesign.com (8.13.1/8.13.1) with ESMTP id o4OFnOjF005520 for <[email protected]>; Mon, 24 May 2010 11:49:24 -0400 X-Envelope-From: [email protected] X-Envelope-To: [email protected] Received: From 67-132-16-226.dia.static.qwest.net (67.132.16.226) by mf3.spamfiltering.com (MAILFOUNDRY) id 6lzIAmdLEd+oFQAw for [email protected]; Mon, 24 May 2010 15:49:23 -0000 (GMT) Received: from mail pickup service by WMA2-EXCH1.NELCO-USA.net with Microsoft SMTPSVC; Mon, 24 May 2010 11:49:18 -0400 Content-Transfer-Encoding: 7bit Importance: normal Priority: normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.3790.4325 Content-Class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----_=_NextPart_001_01CAFB58.AAB268D0" Subject: weekly activity report for week ending May 22, 2010 Date: Mon, 24 May 2010 11:49:16 -0400 Message-ID: <15BCC4D99E8CBF48A2FA37A318CFF5C801209CCC@wma2-exch1.NELCO-USA.net> X-MS-Has-Attach: yes X-MS-TNEF-Correlator: Thread-Topic: weekly activity report for week ending May 22, 2010 thread-index: Acr7WKpdCelRCiocT1eBY2YN5Ma8DA== From: "Mike LeBlanc" <[email protected]> To: "Keith Berube" <[email protected]>, "Ken Tarbell" <[email protected]> X-OriginalArrivalTime: 24 May 2010 15:49:18.0361 (UTC) FILETIME=[AB546890:01CAFB58]

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• WS 2008 R2 giving "Internal Server Error"

  - by dragon112

  I have had this problem for a while now and can't find the problem at all. When i open a page it will sometimes give a 500 Internal Server Error message. This hapens on a website that works perfectly but when i try to upload anything it will give this message(all php settings have been set to either 1gb or 3000 seconds as well as the iis headers). Also when i open a simple page which does nothing more than include another php page and include a couple of classes the error will occur. I have no idea what causes this error and would love to hear from any of you on what this could be. I checked the server logs and for the upload issue i found this error: The description for Event ID 1 from source named cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted. You can install or repair the component on the local computer. If the event originated on another computer, the display information had to be saved with the event. The following information was included with the event: managed-keys-zone ./IN: loading from master file managed-keys.bind failed: file not found the message resource is present but the message is not found in the string/message table Regards, Dragon

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• Sun-JRE on CentOS-4.8 RPM error: post-install scriptlet failed, exit status 5

  - by Emyr

  I have a server with CentOS 4.8 installed. The provided is rubbish, but there's only a few months left, and they're busy being sued by Chase bank, so I doubt I can get CentOS 5. I wiped the server clean using Virtuozzo, and found that the default image is VERY empty. I even had to install yum myself. I've reached the point where I want to install TomCat. I downloaded the Sun JRE as a .rpm.bin file, did chmod a+x and ran it. That produced a .rpm file, which I tried installing: [root@host java]# rpm -Uvh jre-6u20-linux-i586.rpm Preparing... ########################################### [100%] 1:jre ########################################### [100%] Unpacking JAR files... rt.jar... jsse.jar... charsets.jar... localedata.jar... plugin.jar... javaws.jar... deploy.jar... error: %post(jre-1.6.0_20-fcs.i586) scriptlet failed, exit status 5 [root@host java]# rpm -qi jre Name : jre Relocations: /usr/java Version : 1.6.0_20 Vendor: Sun Microsystems, Inc. Release : fcs Build Date: Mon Apr 12 19:34:13 2010 Install Date: Thu May 6 06:36:17 2010 Build Host: jdk-lin-1586 Group : Development/Tools Source RPM: jre-1.6.0_20-fcs.src.rpm Size : 50708634 License: Sun Microsystems Binary Code License (BCL) Signature : (none) Packager : Java Software <[email protected]> URL : http://java.sun.com/ Summary : Java(TM) Platform Standard Edition Runtime Environment Description : The Java Platform Standard Edition Runtime Environment (JRE) contains everything necessary to run applets and applications designed for the Java platform. This includes the Java virtual machine, plus the Java platform classes and supporting files. The JRE is freely redistributable, per the terms of the included license. [root@host java]# I couldn't find any results on Google for any parts of that error message, and I have very little experience of rpm (I usually use Debian). Is this a broken package, or am I missing something or some setting?

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• What speed are Wi-Fi management and control frames sent at?

  - by Bryce Thomas

  There are a bunch of different 802.11 Wi-Fi standards, e.g. 802.11a, 802.11b, 802.11g, 802.11n etc. that all support different speeds. Wi-Fi frames are generally categorised as one of the following: Data frames - carry the actual application data Control frames - coordinate when its safe to send/reduce collisions Management frames - handle connection discovery/setup/tear down (e.g. AP discovery, association, disassociation) My question is about whether all these frames, and specifically management frames, are transmitted at the fastest supported speed available, or whether certain classes of frames are transmitted at some lowest common denominator speed. I have noticed that when I put an 802.11b/g only device into monitor mode and capture traffic over the air, I still see management frames (e.g. association/disassociation) being transmitted between my phone and AP which are both 802.11n, even though 802.11n has a higher transfer rate. So I am imagining one of two possibilities: My 802.11n phone/AP had to negotiate a slower speed for some reason and that's why I can see their frames on my 802.11b/g monitoring device. Management frames (and perhaps control frames also?) are sent at a lower speed, and it's only data frames that are transmitted faster with newer 802.11 standards. The reason I would like to know which one of these two possibilities (or perhaps a third possibility) is the case is that I want to capture management frames, and need to know whether using an 802.11b/g card is going to lead to me missing some frames sent at higher speeds than the monitoring card can observe. If management frames are indeed sent at a slower rate, then it's all good. If I just happen to be seeing the management frames because my phone/AP have negotiated a slower rate though, then I need to reconsider what card I use for packet capture.

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• JSP Content Issue in Tomcat

  - by gautam vegeta

  There is one application where I work where there are still manual builds used i.e manually moving the servlet classes and jsp files from Dev to QA and finally to Prod. This is the method used in this application which cant be changed for some wierd reasons.BTW this is not the problem. We did a manual build where we transferred jsp files from QA to PROD recently. And we noticed that the jsp file content does not correspond to the updated jsp's but have the same content to the jsp file which was present in the server prior to the deployment. We did not re-start tomcat since jsp files upon updation automatically changes its contents. This problem persisted even after 6 hours of deployment If we consider the time standards which are different which may cause some delay. So to fix this we had to individually go into every jsp file and just type something save it and delete this change and save it.Then it worked perfectly. But finally the jsp file content before and after was never changed we just did this to change the modification date. If we think in terms of timestamp problem how can this be possible coz the old jsp files which were present in the server prior to deployment was atlest one month old and the ones getting deployed were defenitely newer than that. Why did this happen? This did not happen when we did same type of deployments earlier. How can we prevent this from happening in the future.

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• A-2-Z web hosting on Amazon AWS

  - by JDelage

  All, I am studying web dvp, and one of my classes is project-based. We have to build a functional site that demonstrate our understanding of: HTML, CSS, Javascript, php, MySQL, And potentially Ajax or some other web component. For the project, we can use a local server using WampServer and basically build the site entirely on our laptop. If I have time, I would like to create a real site, and I thought it would be a good way to familiarize myself with Amazon's AWS services. So if I purchase a domain name, can I rely on AWS to host the site from A-to-Z? I understand I can use AWS to host content, the database, and do the background computations, if needed. What else do I need and what are the parts that AWS cannot help me with? Second, is there good documentation for a beginner to navigate AWS and learn how to use it (either on Amazon, or some 3rd party sites, or even a good book, as long as is up to date). The ideal documentation would be a tutorial on creating a web site from a-to-z on AWS, as detailed as possible. As you can guess, I have limited understanding of the IT issues. I have 0 Linux or sysadmin experience, but this is a good opportunity to change that. I hope you can help me. Thank you, JDelage PS: Please keep the answers AWS-specific. At this point, I am only interested in alternative services to the extent that they plug a hole in Amazon's offering.

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• when should be choose simple php mail and when smpt with loggin+password?

  - by user43353

  Hi, My Case: web application that need to send 1,000 messages per day to main gmail account. (Only need to send email, not need receive emails - email client) 1. option - use php mail function + sendmail + config php.ini php example: <?php $to = '[email protected]'; $subject = 'the subject'; $message = 'hello'; $headers = 'From: [email protected]' . "\r\n" . 'Reply-To: [email protected]' . "\r\n" . 'X-Mailer: PHP/' . phpversion(); mail($to, $subject, $message, $headers); ?> php.ini config (ubuntu): sendmail_path = /usr/sbin/sendmail -t -i pros:don't need email account, easy to setup cons:? 2. option - use Zend_Mail + transport on smpt+ password auto php example(need include Zend_Mail classes): $config = array('auth' => 'login', 'username' => 'myusername', 'password' => 'password'); $transport = new Zend_Mail_Transport_Smtp('mail.server.com', $config); $mail = new Zend_Mail(); $mail->setBodyText('This is the text of the mail.'); $mail->setFrom('[email protected]', 'Some Sender'); $mail->addTo('[email protected]', 'Some Recipient'); $mail->setSubject('TestSubject'); $mail->send($transport); pros:? cons:? Questions: Can 1 option be filtered by gmail email server as spam? please can you add pros + cons to options above Thanks

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