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  • Are short abbreviated method/function names that don't use full words bad practice or a matter of style?

    - by Alb
    Is there nowadays any case for brevity over clarity with method names? Tonight I came across the Python method repr() which seems like a bad name for a method to me. It's not an English word. It apparently is an abbreviation of 'representation' and even if you can deduce that, it still doesn't tell you what the method does. A good method name is subjective to a certain degree, but I had assumed that modern best practices agreed that names should be at least full words and descriptive enough to reveal enough about the method that you would easily find one when looking for it. Method names made from words help let your code read like English. repr() seems to have no advantages as a name other than being short and IDE auto-complete makes this a non-issue. An additional reason given in an answer is that python names are brief so that you can do many things on one line. Surely the better way is to just extract the many things to their own function, and repeat until lines are not too long. Are these just a hangover from the unix way of doing things? Commands with names like ls, rm, ps and du (if you could call those names) were hard to find and hard to remember. I know that the everyday usage of commands such as these is different than methods in code so the matter of whether those are bad names is a different matter.

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  • How to name a method that both performs a task and returns a boolean as a status?

    - by Limbo Exile
    If there is a method bool DoStuff() { try { // doing stuff... return true; } catch (Exception ex) { return false; } } should it rather be called IsStuffDone()? Both names could be misinterpreted by the user: If the name is DoStuff() why does it return a boolean? If the name is IsStuffDone() it is not clear whether the method performs a task or only checks its result. Is there a convention for this case? Or an alternative approach, as this one is considered flawed? For example in languages that have output parameters, like C#, a boolean status variable could be passed to the method as one and the method's return type would be void.

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  • Fun programming or something else?

    - by gion_13
    I've recently heard about android's isUserAGoat method and I didn't know what to think. At first I laughed my brains out, than I was embarrassed for my lack of professionalism and tried to look into it and see if it makes any normal sense. As it turns out it is a joke (as stated here) and it appears that other languages/apis have these sort of easter eggs implemented in their core. While I personally like them and feel they can be a fresh breath sometimes, I think that they also can be both frustrating and confusing (and you begin to ask yourself : "can users be goats?" or "I get it! "goat" is slang for.... wait.."). My question is are there any other examples of these kind of programming jokes and what are their intends? Should they be considered harmless or not (how do programmers feel about it) ? Do they reach their goal (if any other than to laugh) ? Where do you draw a line between a good joke and a disaster? (what if the method was called isUserStupid?)

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  • Standards Matter: The Battle For Interoperability Continues

    - by michael.rowell
    Great Article, although it is a little dated at this point. Information Week Article Standards Matter: The Battle for Interoperability goes on Summary If you're guilty of relegating standards support to a "nice to have" feature rather than a requirement, you're part of the problem. If you want products to interoperate, be prepared to walk away if a vendor can't prove compliance. Don't be brushed off with promises of standards support "on the road map." The alternative is vendor lock-in and higher costs, including the cost of maintaining systems that don't work together. Standards bodies are imperfect and must do better. The alternative: splintered networks and broken promises. The point: "The secret sauce to a successful 'working standard' isn't necessarily IETF or another longstanding body," says Jonathan Feldman, director of IT services for the city of Asheville, N.C., and an InformationWeek Analytics contributor. "Rather, an earnest and honest effort by a group that has governance outside of a single corporation's control is what's important." In order to have true interoperability vendors as well as customers must be actively engaged in the standards process. Vendors must be willing to truly work together and not be protecting an existing product. Customers must also be willing to truly to work together and not be demanding a solution that only meets their needs but instead meets the needs of all participants. Ultimately, customers must be willing to reward vendor compliance by requiring compliance in products and services that they purchase and deploy. Managers that deploy systems without compliance to standards are only hurting themselves. Standards do matter. When developed openly and deployed compliantly standards deliver interoperability which provides solid business value.

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  • How can I keep up to date on the latest web development standards?

    - by Structure
    First off, I know that this question begs the other question - should the latest web development standards be followed and further will they remain relevant? That aside, I am focused on GUI development, usability, etc. Front-end web development that utilizes XHTML, CSS, JavaScript, etc. I know there are many gurus and thought leaders out there but with my projects I simply do not always have time to follow them all and keep up with the latest development standards. However, this is obviously very important. So how can I keep myself up to date on the latest web development standards while maintaining productivity? Are there any specific groups or organizations to monitor for this? Best practices that one might follow?

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  • MySQL 5.5

    - by trond-arne.undheim
    New performance and scalability enhancements, continued Investment in MySQL (see press release). "The latest release of MySQL further exemplifies Oracle's commitment to the MySQL community and investment in delivering rapid innovation and enhancements to the MySQL platform" said Edward Screven, Oracle's Chief Corporate Architect. MySQL is integral to Oracle's complete, open and integrated strategy. The MySQL 5.5 Community Edition, which is licensed under the GNU General Public License (GPL), and is available for free download, includes InnoDB as the default storage engine. We cannot stress the importance of using open standards enough, whether in the context of open source or non-open source software. For more on Oracle's Open Source offering, see Oracle.com/opensource or oss.oracle.com (for developers).

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  • Oracle Enterprise Manager Cloud Control 12c: Contributing to emerging Cloud standards

    - by Anand Akela
    Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Contributed by Tony Di Cenzo, Director for Standards Strategy and Architecture, and Mark Carlson, Principal Cloud Architect, for Oracle's Systems Management and Storage Products Groups . As one would expect of an industry leader, Oracle's participation in industry standards bodies is extensive. We participate in dozens of organizations that produce open standards which apply to our products, and our commitment to the success of these organizations is manifest in several way - we support them financially through our memberships; our senior engineers are active participants, often serving in leadership positions on boards, technical working groups and committees; and when it makes good business sense we contribute our intellectual property. We believe supporting the development of open standards is fundamental to Oracle meeting customer demands for product choice, seamless interoperability, and lowering the cost of ownership. Nowhere is this truer than in the area of cloud standards, and for the most recent release of our flagship management product, Oracle Enterprise Manager Cloud Control 12c (EM Cloud Control 12c). There is a fundamental rule that standards follow architecture. This was true of distributed computing, it was true of service-oriented architecture (SOA), and it's true of cloud. If you are familiar with Enterprise Manager it is likely to be no surprise that EM Cloud Control 12c is a source of technology that can be considered for adoption within cloud management standards. The reason, quite simply, is that the Oracle integrated stack architecture aligns with the cloud architecture models being adopted by the industry, and EM Cloud Control 12c has been developed to manage this architecture. EM Cloud Control 12c has facilities for managing the various underlying capabilities of the integrated stack in IaaS, PaaS, and SaaS clouds, and enables essential characteristics such as on-demand self-service provisioning, centralized policy-based resource management, integrated chargeback, and capacity planning, and complete visibility of the physical and virtual environment from applications to disk. Our most recent contribution in support of cloud management standards to come out of the EM Cloud Control 12c work was the Oracle Cloud Elemental Resource Model API. Oracle contributed the Elemental Resource Model API to the Distributed Management Task Force (DMTF) in 2011 where it was assigned to DMTF's Cloud Management Working Group (CMWG). The CMWG is considering the Oracle specification and those of several other vendors in their effort to produce a best practices specification for managing IaaS clouds. DMTF's Cloud Infrastructure Management Interface specification, called CIMI for short, is currently out for public review and expected to be released by DMTF later this year. We are proud to be playing an important role in the development of what is expected to become a major cloud standard. You can find more information on DMTF CIMI at http://dmtf.org/standards/cloud. You can find the work-in-progress release of CIMI at http://dmtf.org/content/cimi-work-progress-specifications-now-available-public-comment . The Oracle Cloud API specification is available on the Oracle Technology Network. You can find more information about the Oracle Cloud Elemental Resource Model API on the Oracle Technical Network (OTN), including a webcast featuring the API engineering manager Jack Yu (see TechCast Live: Inside the Oracle Cloud Resource Model API). If you have not seen this video we recommend you take the time to view it. Simply hover your cursor over the webcast title and control+click to follow the embedded link. If you have a question about the Oracle Cloud API or want to learn more about Oracle's participation in cloud management standards efforts drop us a line. We'd love to hear from you. The Enterprise Manager Standards Blogs are written by Tony Di Cenzo, Director for Standards Strategy and Architecture, and Mark Carlson, Principal Cloud Architect, for Oracle's Systems Management and Storage Products Groups. They can be reached at Tony.DiCenzo at Oracle.com and Mark.Carlson at Oracle.com respectively. Stay Connected: Twitter |  Face book |  You Tube |  Linked in |  Newsletter

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  • What is a widely accepted term for a string variable that would probably contain a file path and file name?

    - by Peter Turner
    For functions that need to index files in a directory and rename them FileName0001, FileName0002, etc... I often need to write a function that splits the file name from the file path and rename the file. When I put the file name and file path back together, I don't have a very good name for the variable that contains both of them and I usually just wind up concatenating them every time I want to use them (usually using them as parameters for functions labeled either filename or filepath) so I never really know what I'm doing until I notice a lot of files being written in the same directory as my binaries. Anyway, what do I call a file name and a file path? I don't want to call it File, because that usually means the binary information behind the file. I don't want to call it URI because that usually means I've got some sort of protocol, which I don't. I just want a good way to denote "c:\somedir\somedir\somedir\somefile.txt" so as to deconfuse this mess I've just realized I'm in. Please don't just list your personal preference. I think an excellent answer should "'site its sources". (as in, provide a link to a repository with a good example of the code being used as I described)

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  • What is a generic term for name/identifier? (as opposed to label)

    - by d3vid
    I need to refer to a number of things that have both an identifier value (used in code and configuration), and a human-readable label. These things include: database columns dropdown items subapplications objects stored in a dictionary I want two unambiguous terms. One to refer to the identifier/value/key. One to refer to the label. As you can see, I'm pretty settled on the latter :) For the former, identifier seems best (not everything is strictly a key, and value and name could refer to the label; although, identifier usually refers only to a variable name), but I would prefer to follow an established practice if there is one. Is there an established term for this? (Please provide a source.) If not, are there any examples of a choice from a significant source (Java APIs, MSDN, a big FLOSS project)? (I wasn't sure if this should be posted here or to English Language & Usage. I thought this was the more appropriate expert audience. Happy to migrate if not.)

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  • Script language native extensions - avoiding name collisions and cluttering others' namespace

    - by H2CO3
    I have developed a small scripting language and I've just started writing the very first native library bindings. This is practically the first time I'm writing a native extension to a script language, so I've run into a conceptual issue. I'd like to write glue code for popular libraries so that they can be used from this language, and because of the design of the engine I've written, this is achieved using an array of C structs describing the function name visible by the virtual machine, along with a function pointer. Thus, a native binding is really just a global array variable, and now I must obviously give it a (preferably good) name. In C, it's idiomatic to put one's own functions in a "namespace" by prepending a custom prefix to function names, as in myscript_parse_source() or myscript_run_bytecode(). The custom name shall ideally describe the name of the library which it is part of. Here arises the confusion. Let's say I'm writing a binding for libcURL. In this case, it seems reasonable to call my extension library curl_myscript_binding, like this: MYSCRIPT_API const MyScriptExtFunc curl_myscript_lib[10]; But now this collides with the curl namespace. (I have even thought about calling it curlmyscript_lib but unfortunately, libcURL does not exclusively use the curl_ prefix -- the public APIs contain macros like CURLCODE_* and CURLOPT_*, so I assume this would clutter the namespace as well.) Another option would be to declare it as myscript_curl_lib, but that's good only as long as I'm the only one who writes bindings (since I know what I am doing with my namespace). As soon as other contributors start to add their own native bindings, they now clutter the myscript namespace. (I've done some research, and it seems that for example the Perl cURL binding follows this pattern. Not sure what I should think about that...) So how do you suggest I name my variables? Are there any general guidelines that should be followed?

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  • How to define a natural id in database?

    - by gcc
    There are a lot of manuals. I am trying to create an database to hold information of these documents. But, there is a small problem. How can I give meaningful id to the manuals? Are there any standard or logic behind the giving meaningful id to the documents? If there is no standard, can you tell me how I should do that? example: table : manual id | manual name EDIT: Not Meaningful ID 1 or M1 or foo 2 C2 bar 3 P123 name ... ... ... (i) (ii) (iii) (i) Not meaningful for me because if some item deleted, there can be gap. ex 1 33 100. (ii) random character can be confusing when one try to give a name to new manual (iii) Why giving name is not preferred is because finding a name to the manual as ID is hard after 500 manuals. Meaningful : New ID * Can be easily produced even if after 1000 manuals * Should not be so complicated

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  • How do you avoid name similarities between your classes and the native ones?

    - by Oscar
    I just ran into an "interesting problem", which I would like your opinion about: I am developing a system and for many reasons (meaning: abstraction, technology independence, etc) we create our own types for exchanging information. For instance: if there is a method which is called SendEmail and is invoked by the business logic, it way have a parameter of type OurCompany.EMailMessage, which is an object which is completely technology independent and contains only "business relevant data" (for instance, no information abut head encoding). Inside the SendEmail function, we get this information from our EMailMEssage object and create a MailMessage (this one is technolgy specific) object so it can be sent over the network. As you can already notice, our class has a very similar name to the "native" language class. The problem is: this is exactly what they are, email messages, so it is hard to find another meaningful name for them. Do you have this problem often? How do you manage it? Edit: @mgkrebbs just commented about using fully qualified names. This is our current approach, but a little bit too verbose, IMHO. I would like something cleaner, if possible.

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  • What is the benefit of not using Hungarian notation?

    - by user29981
    One of the things I struggle with is not using Hungarian notation. I don't want to have to go to the variable definition just to see what type it is. When a project gets extensive, it's nice to be able to look at a variable prefixed by 'bool' and know that it's looking for true/false instead of a 0/1 value. I also do a lot of work in SQL Server. I prefix my stored procedures with 'sp' and my tables with 'tbl', not to mention all of my variables in the database respectively. I see everywhere that nobody really wants to use Hungarian notation, to the point where they avoid it. My question is, what is the benefit of not using Hungarian notation, and why does the majority of developers avoid it like the plague?

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  • Vocabulary: Should I call this apply or map?

    - by Carlos Vergara
    So, I'm tasked with organizing the code and building a library with all the common code among our products. One thing that seems to happen all the time and I wanted to abstract is posted below in pseudocode, and I don't know how to call it (different products have different domain specific implementations and names for it) list function idk_what_to_name_it ( list list_of_callbacks, value common_parameter ): list list_of_results = new list for_each(callback in list_of_callbacks) list_of_results.push(callback(common_parameter)) end for_each return list_of_results end function Would you call this specific construct a list ListOfCallbacks.Map( value value_to_map) method or would it better be value Value.apply(list list_of_callbacks) I'm really curious about this kind of thing. Is there a standard guide for this stuff?

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  • What happened to the this type of naming convention?

    - by Smith
    I have read so many docs about naming conventions, most recommending both Pascal and Camel naming conventions. Well, I agree to this, it's ok. This might not be pleasing to some, but I am just trying to get your opinion on why you name your objects and classes in a certain way. What happened to this type of naming conventions, and/or why are they bad? I want to name a structure, and I prefix it with "struct". My reason is that, with IntelliSense, I see all structures in one place, and anywhere I see the struct prefix, I know it's a "struct": structPerson structPosition another example is the enum, although I may not prefix it with "enum", but maybe with "enm": enmFruits enmSex again my reason is that in IntelliSense, I see all my enumerations in one place. Because .NET has so many built-in data structures, I think this helps me do less searching. Note that I used .NET in this example, but I welcome language agnostic answers.

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  • Enum Naming Convention - Plural

    - by o.k.w
    I'm asking this question despite having read similar but not exactly what I want at http://stackoverflow.com/questions/495051/c-naming-convention-for-enum-and-matching-property I found I have a tendency to name enums in plural and then 'use' them as singular, example: public enum EntityTypes { Type1, Type2 } public class SomeClass { /* some codes */ public EntityTypes EntityType {get; set;} } Of course it works and this is my style, but can anyone find potential problem with such convention? I do have an "ugly" naming with the word "Status" though: public enum OrderStatuses { Pending, Fulfilled, Error, Blah, Blah } public class SomeClass { /* some codes */ public OrderStatuses OrderStatus {get; set;} } Additional Info: Maybe my question wasn't clear enough. I often have to think hard when naming the variables of the my defined enum types. I know the best practice, but it doesn't help to ease my job of naming those variables. I can't possibly expose all my enum properties (say "Status") as "MyStatus". My question: Can anyone find potential problem with my convention described above? It is NOT about best practice. Question rephrase: Well, I guess I should ask the question this way: Can someone come out a good generic way of naming the enum type such that when used, the naming of the enum 'instance' will be pretty straightforward?

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  • Misc. Naming: Can I place underscores instead of camel casing in modern languages?

    - by Bubba88
    Hi! I would like to ask some kind of permission (I hope that doesn't sound strange) from the people who have influence on the naming conventions in modern languages like F#, Scala, etc. My problem is - I just can't read camelCased code and wish I could write underscored_names at least in my internal implementations (not in API interface). This applies to just everything - local var names, method names, params.. (Not class names I think) It seems that now the camel-casing is preferred for example for the names of object methods, but could that be not the only way? What would you say; Can I go with underscored names in languages like I mentioned (F#, Scala)?

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  • Is there any reason in a Java program for a special naming for a function arguments?

    - by gasan
    I'd like to know, why would I want to have a special prefixes for a function arguments, like "p_name", "p_age", "p_sex"? On the one hand it helps to distinguish parameter from local variable or field further in the function body, but would it help? On the other hand, I didn't saw such naming recommendations anywhere including official Java language conventions. Please advise any reasons for using such naming policy

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  • Use of c89 in GNU software

    - by Federico Culloca
    In GNU coding standard it is said that free software developer should use C89 because C99 is not widespread yet. 1999 Standard C is not widespread yet, so please do not require its features in programs. Reference here. Are they talking about developers knowledge of C99, or about compilers supporting it? Also, is this statement plausible as of today or is it somewhat "obsolete" or at least obsolescent.

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  • Forcing IE8 Standards Mode with FEATURE_BROWSER_EMULATION

    - by earls
    I'm doing this: http://blogs.msdn.com/b/ie/archive/2009/03/10/more-ie8-extensibility-improvements.aspx But it's not working. I have "iexplore.exe" set to 8888 (decimal mode) under MACHINE, but it's still coming up documentMode = 5. I thought 8888 was suppose to force IE8 Standards Mode whether you have a doctype or not. What is going on?

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  • Use Glassfish JMS from remote client

    - by James
    Hi, I have glassfish installed on a server with a JMS ConnectionFactory set up jms/MyConnectionFactory with a resource type or javax.jms.ConnectionFactory. I now want to access this from a client application on my local machine for this I have the following: public static void main(String[] args) { try{ Properties env = new Properties(); env.setProperty("java.naming.factory.initial", "com.sun.enterprise.naming.SerialInitContextFactory"); env.setProperty("java.naming.factory.url.pkgs", "com.sun.enterprise.naming"); env.setProperty("java.naming.factory.state", "com.sun.corba.ee.impl.presentation.rmi.JNDIStateFactoryImpl"); env.setProperty("org.omg.CORBA.ORBInitialHost", "10.97.3.74"); env.setProperty("org.omg.CORBA.ORBInitialPort", "3700"); InitialContext initialContext = new InitialContext(env); ConnectionFactory connectionFactory = null; try { connectionFactory = (ConnectionFactory) initialContext.lookup("jms/MyConnectionFactory"); } catch (Exception e) { System.out.println("JNDI API lookup failed: " + e.toString()); e.printStackTrace(); System.exit(1); } }catch(Exception e){ e.printStackTrace(System.err); } } When I run my client I get the following output: INFO: Using com.sun.enterprise.transaction.jts.JavaEETransactionManagerJTSDelegate as the delegate {org.omg.CORBA.ORBInitialPort=3700, java.naming.factory.initial=com.sun.enterprise.naming.SerialInitContextFactory, org.omg.CORBA.ORBInitialHost=10.97.3.74, java.naming.factory.state=com.sun.corba.ee.impl.presentation.rmi.JNDIStateFactoryImpl, java.naming.factory.url.pkgs=com.sun.enterprise.naming} 19-Mar-2010 16:09:13 org.hibernate.validator.util.Version <clinit> INFO: Hibernate Validator bean-validator-3.0-JBoss-4.0.2 19-Mar-2010 16:09:13 org.hibernate.validator.engine.resolver.DefaultTraversableResolver detectJPA INFO: Instantiated an instance of org.hibernate.validator.engine.resolver.JPATraversableResolver. 19-Mar-2010 16:09:13 com.sun.messaging.jms.ra.ResourceAdapter start INFO: MQJMSRA_RA1101: SJSMQ JMS Resource Adapter starting: REMOTE 19-Mar-2010 16:09:13 com.sun.messaging.jms.ra.ResourceAdapter start INFO: MQJMSRA_RA1101: SJSMQ JMSRA Started:REMOTE 19-Mar-2010 16:09:13 com.sun.enterprise.naming.impl.SerialContext lookup SEVERE: enterprise_naming.serialctx_communication_exception 19-Mar-2010 16:09:13 com.sun.enterprise.naming.impl.SerialContext lookup SEVERE: java.lang.RuntimeException: com.sun.appserv.connectors.internal.api.ConnectorRuntimeException: This pool is not bound in JNDI : jms/MyConnectionFactory at com.sun.enterprise.resource.naming.ConnectorObjectFactory.getObjectInstance(ConnectorObjectFactory.java:159) at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:304) at com.sun.enterprise.naming.impl.SerialContext.getObjectInstance(SerialContext.java:472) at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:437) at javax.naming.InitialContext.lookup(InitialContext.java:392) at simpleproducerclient.Main.main(Main.java:89) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.glassfish.appclient.client.acc.AppClientContainer.launch(AppClientContainer.java:424) at org.glassfish.appclient.client.AppClientFacade.main(AppClientFacade.java:134) Caused by: com.sun.appserv.connectors.internal.api.ConnectorRuntimeException: This pool is not bound in JNDI : jms/MyConnectionFactory at com.sun.enterprise.connectors.service.ConnectorConnectionPoolAdminServiceImpl.obtainManagedConnectionFactory(ConnectorConnectionPoolAdminServiceImpl.java:1017) at com.sun.enterprise.connectors.ConnectorRuntime.obtainManagedConnectionFactory(ConnectorRuntime.java:375) at com.sun.enterprise.resource.naming.ConnectorObjectFactory.getObjectInstance(ConnectorObjectFactory.java:124) ... 11 more Caused by: javax.naming.NamingException: Lookup failed for '__SYSTEM/pools/jms/MyConnectionFactory' in SerialContext targetHost=localhost,targetPort=3700,orb'sInitialHost=ithfdv01,orb'sInitialPort=3700 [Root exception is javax.naming.NameNotFoundException: pools] at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:442) at javax.naming.InitialContext.lookup(InitialContext.java:392) at com.sun.enterprise.connectors.service.ConnectorConnectionPoolAdminServiceImpl.getConnectorConnectionPool(ConnectorConnectionPoolAdminServiceImpl.java:804) at com.sun.enterprise.connectors.service.ConnectorConnectionPoolAdminServiceImpl.obtainManagedConnectionFactory(ConnectorConnectionPoolAdminServiceImpl.java:932) ... 13 more Caused by: javax.naming.NameNotFoundException: pools at com.sun.enterprise.naming.impl.TransientContext.resolveContext(TransientContext.java:252) at com.sun.enterprise.naming.impl.TransientContext.lookup(TransientContext.java:171) at com.sun.enterprise.naming.impl.TransientContext.lookup(TransientContext.java:172) at com.sun.enterprise.naming.impl.SerialContextProviderImpl.lookup(SerialContextProviderImpl.java:58) at com.sun.enterprise.naming.impl.RemoteSerialContextProviderImpl.lookup(RemoteSerialContextProviderImpl.java:89) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.sun.corba.ee.impl.presentation.rmi.ReflectiveTie.dispatchToMethod(ReflectiveTie.java:146) at com.sun.corba.ee.impl.presentation.rmi.ReflectiveTie._invoke(ReflectiveTie.java:176) at com.sun.corba.ee.impl.protocol.CorbaServerRequestDispatcherImpl.dispatchToServant(CorbaServerRequestDispatcherImpl.java:682) at com.sun.corba.ee.impl.protocol.CorbaServerRequestDispatcherImpl.dispatch(CorbaServerRequestDispatcherImpl.java:216) at com.sun.corba.ee.impl.protocol.CorbaMessageMediatorImpl.handleRequestRequest(CorbaMessageMediatorImpl.java:1841) at com.sun.corba.ee.impl.protocol.CorbaMessageMediatorImpl.handleRequest(CorbaMessageMediatorImpl.java:1695) at com.sun.corba.ee.impl.protocol.CorbaMessageMediatorImpl.handleInput(CorbaMessageMediatorImpl.java:1078) at com.sun.corba.ee.impl.protocol.giopmsgheaders.RequestMessage_1_2.callback(RequestMessage_1_2.java:221) at com.sun.corba.ee.impl.protocol.CorbaMessageMediatorImpl.handleRequest(CorbaMessageMediatorImpl.java:797) at com.sun.corba.ee.impl.protocol.CorbaMessageMediatorImpl.dispatch(CorbaMessageMediatorImpl.java:561) JNDI API lookup failed: javax.naming.CommunicationException: Communication exception for SerialContext targetHost=10.97.3.74,targetPort=3700,orb'sInitialHost=ithfdv01,orb'sInitialPort=3700 [Root exception is java.lang.RuntimeException: com.sun.appserv.connectors.internal.api.ConnectorRuntimeException: This pool is not bound in JNDI : jms/MyConnectionFactory] at com.sun.corba.ee.impl.protocol.CorbaMessageMediatorImpl.doWork(CorbaMessageMediatorImpl.java:2558) at com.sun.corba.ee.impl.orbutil.threadpool.ThreadPoolImpl$WorkerThread.performWork(ThreadPoolImpl.java:492) at com.sun.corba.ee.impl.orbutil.threadpool.ThreadPoolImpl$WorkerThread.run(ThreadPoolImpl.java:528) javax.naming.CommunicationException: Communication exception for SerialContext targetHost=10.97.3.74,targetPort=3700,orb'sInitialHost=ithfdv01,orb'sInitialPort=3700 [Root exception is java.lang.RuntimeException: com.sun.appserv.connectors.internal.api.ConnectorRuntimeException: This pool is not bound in JNDI : jms/MyConnectionFactory] at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:461) at javax.naming.InitialContext.lookup(InitialContext.java:392) at simpleproducerclient.Main.main(Main.java:89) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.glassfish.appclient.client.acc.AppClientContainer.launch(AppClientContainer.java:424) at org.glassfish.appclient.client.AppClientFacade.main(AppClientFacade.java:134) Caused by: java.lang.RuntimeException: com.sun.appserv.connectors.internal.api.ConnectorRuntimeException: This pool is not bound in JNDI : jms/MyConnectionFactory at com.sun.enterprise.resource.naming.ConnectorObjectFactory.getObjectInstance(ConnectorObjectFactory.java:159) at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:304) at com.sun.enterprise.naming.impl.SerialContext.getObjectInstance(SerialContext.java:472) at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:437) ... 8 more Caused by: com.sun.appserv.connectors.internal.api.ConnectorRuntimeException: This pool is not bound in JNDI : jms/MyConnectionFactory at com.sun.enterprise.connectors.service.ConnectorConnectionPoolAdminServiceImpl.obtainManagedConnectionFactory(ConnectorConnectionPoolAdminServiceImpl.java:1017) at com.sun.enterprise.connectors.ConnectorRuntime.obtainManagedConnectionFactory(ConnectorRuntime.java:375) at com.sun.enterprise.resource.naming.ConnectorObjectFactory.getObjectInstance(ConnectorObjectFactory.java:124) ... 11 more Caused by: javax.naming.NamingException: Lookup failed for '__SYSTEM/pools/jms/MyConnectionFactory' in SerialContext targetHost=localhost,targetPort=3700,orb'sInitialHost=ithfdv01,orb'sInitialPort=3700 [Root exception is javax.naming.NameNotFoundException: pools] at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:442) at javax.naming.InitialContext.lookup(InitialContext.java:392) at com.sun.enterprise.connectors.service.ConnectorConnectionPoolAdminServiceImpl.getConnectorConnectionPool(ConnectorConnectionPoolAdminServiceImpl.java:804) at com.sun.enterprise.connectors.service.ConnectorConnectionPoolAdminServiceImpl.obtainManagedConnectionFactory(ConnectorConnectionPoolAdminServiceImpl.java:932) ... 13 more Caused by: javax.naming.NameNotFoundException: pools at com.sun.enterprise.naming.impl.TransientContext.resolveContext(TransientContext.java:252) at com.sun.enterprise.naming.impl.TransientContext.lookup(TransientContext.java:171) at com.sun.enterprise.naming.impl.TransientContext.lookup(TransientContext.java:172) at com.sun.enterprise.naming.impl.SerialContextProviderImpl.lookup(SerialContextProviderImpl.java:58) at com.sun.enterprise.naming.impl.RemoteSerialContextProviderImpl.lookup(RemoteSerialContextProviderImpl.java:89) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.sun.corba.ee.impl.presentation.rmi.ReflectiveTie.dispatchToMethod(ReflectiveTie.java:146) at com.sun.corba.ee.impl.presentation.rmi.ReflectiveTie._invoke(ReflectiveTie.java:176) at com.sun.corba.ee.impl.protocol.CorbaServerRequestDispatcherImpl.dispatchToServant(CorbaServerRequestDispatcherImpl.java:682) at com.sun.corba.ee.impl.protocol.CorbaServerRequestDispatcherImpl.dispatch(CorbaServerRequestDispatcherImpl.java:216) at com.sun.corba.ee.impl.protocol.CorbaMessageMediatorImpl.handleRequestRequest(CorbaMessageMediatorImpl.java:1841) at com.sun.corba.ee.impl.protocol.CorbaMessageMediatorImpl.handleRequest(CorbaMessageMediatorImpl.java:1695) at com.sun.corba.ee.impl.protocol.CorbaMessageMediatorImpl.handleInput(CorbaMessageMediatorImpl.java:1078) at com.sun.corba.ee.impl.protocol.giopmsgheaders.RequestMessage_1_2.callback(RequestMessage_1_2.java:221) at com.sun.corba.ee.impl.protocol.CorbaMessageMediatorImpl.handleRequest(CorbaMessageMediatorImpl.java:797) at com.sun.corba.ee.impl.protocol.CorbaMessageMediatorImpl.dispatch(CorbaMessageMediatorImpl.java:561) at com.sun.corba.ee.impl.protocol.CorbaMessageMediatorImpl.doWork(CorbaMessageMediatorImpl.java:2558) at com.sun.corba.ee.impl.orbutil.threadpool.ThreadPoolImpl$WorkerThread.performWork(ThreadPoolImpl.java:492) at com.sun.corba.ee.impl.orbutil.threadpool.ThreadPoolImpl$WorkerThread.run(ThreadPoolImpl.java:528) I have looked at a number of posts and have tried a number of things with no success. I can run the following commands on my server: ./asadmin list-jndi-entries UserTransaction: com.sun.enterprise.transaction.TransactionNamingProxy$UserTransactionProxy java:global: com.sun.enterprise.naming.impl.TransientContext jdbc: com.sun.enterprise.naming.impl.TransientContext ejb: com.sun.enterprise.naming.impl.TransientContext com.sun.enterprise.container.common.spi.util.InjectionManager: com.sun.enterprise.container.common.impl.util.InjectionManagerImpl jms: com.sun.enterprise.naming.impl.TransientContext Command list-jndi-entries executed successfully. ./asadmin list-jndi-entries --context jms MyTopic: org.glassfish.javaee.services.ResourceProxy MyConnectionFactory: org.glassfish.javaee.services.ResourceProxy MyQueue: org.glassfish.javaee.services.ResourceProxy Command list-jndi-entries executed successfully. Any help is greatly appreciated. Cheers, James

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  • Coding Standards

    - by kevchadders
    For those of us that have programmed enough I’m sure we have come across many different flavours of coding standards that you can use when it comes to programming. e.g. http://msdn.microsoft.com/en-us/library/ms229042.aspx You might derive your coding standards for the current company you work for or from the original author of the code you’re working on. Coding styles are often used for specific program languages and some styles in one coding language might not be considered appropriate for others. Of course some coding standards can be applied across many different program languages. My question is do you have any good advice/links yourselves to a set of coding standards that you would recommend to others, or best practices to follow? Thank you for your time. EDIT: As we know there are many related articles on this subject, but C# Coding standard / Best practices in SO has some very useful links in there which is worth a visit. (Check out the 2 links on .NET/C# guidelines by ESV - Accepted Answer)

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  • Naming conventions and field naming question for CakePHP

    - by jphenow
    Okay so two questions very related: 1) Does following the naming convention for classes, controllers, database fields, etc. affect the framework's ability to work the way it was intended? (I'm a little new to working with a framework from the beginning of app development) 2) This question is more important if 1 is a yes. Say I have a table, A, that has 2 foreign keys pointing at the same table, B, but different entries (they're like edges of a graph that point at two vertices) how would I follow the naming convention of their database fields? All I can think to do is something like vertex_1_id and vertex_2_id but I don't know how the framework would handle that if the naming conventions are necessary for its functioning correctly.

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  • Why Standards Place Limits on Data Transfer Rates?

    - by Mehrdad
    This is a rather general question about hardware and standards in general: Why do they place limits on data transfer rates, and disallow manufacturers from exceeding those rates? (E.g. 100 Mbit/s for Wireless G, 150 Mbit/s for Wireless N, ...) Why not allow for some sort of handshake protocol, whereby the devices being connected agree upon the maximum throughput that they each support, and use that value instead? Why does there have to be a hard-coded limit, which would require a new standard for every single improvement to a data rate?

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  • Own mediawiki/wikipedia naming convention for pages

    - by Andy M
    I recently installed a mediawiki at home and I'm looking for a way to name pages. Let's say I have the following structure : Main - Dev - C# - Tips Main - Cooking - Mexixan Cooking - Tips Main - Annoying my girlfriend - Tips Each final page is a different Tips page. Naming them only "tips" won't work because I need three different pages. Now, I could name each of my tips page with its "path" (ex: main_cooking_mexican_cooking_tips) but it looks cumbersome and the problem is that, whenever I'll change the structure of my mediawiki, some pages will need to change their name in order to be corrects. Does it exist some convention to follow regarding this ? Thanks for your help !

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