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  • How to run SQL that contains bind variables in the ODT Query Window?

    - by dnorthut
    How do you run SQL that contains one or more bind variables in the Oracle Developer Tools for Visual Studio Query Window? For example, the following works fine in SQL*Plus: variable x NUMBER; BEGIN :x := 0; END; / SELECT 1 FROM DUAL WHERE :x <> 1; When executed in the ODT Query Window, the following exception is raised in the Query output pane: ERROR ORA-01008: not all variables bound

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  • Assigning a vector of one type to a vector of another type

    - by deworde
    Hi, I have an "Event" class. Due to the way dates are handled, we need to wrap this class in a "UIEvent" class, which holds the Event, and the date of the Event in another format. What is the best way of allowing conversion from Event to UIEvent and back? I thought overloading the assignment or copy constructor of UIEvent to accept Events (and vice versa)might be best.

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  • How to keep multiple connectionString passwords safe, separate, and easy to deploy?

    - by Funka
    I know there are plenty of questions here already about this topic (I've read through as many as I could find), but I haven't yet been able to figure out how best to satisfy my particular criteria. Here are the goals: The ASP.NET application will run on a few different web servers, including localhost workstations for development. This means encrypting web.config using a machine key is out. The application will decide which connection string to use based on the server name (using a switch statement). For example, "localhost" and "dev.example.com" will use the DevDatabaseConnectionString, "test.example.com" will use the TestDatabaseConnectionString, and "www.example.com" will use the ProdDatabaseConnectionString, for example. Ideally, the exact same executables and web.config should be able to run on any of these environments, without needing to tailor or configure each environment separately every time that we deploy (something that seems like it would be easy to forget/mess up one day during a deployment, which is why we moved away from having just one connectionstring that has to be changed on each target). Deployment is currently accomplished via FTP. We will not have command-line access to the production web server. This means using aspnet_regiis.exe is out. (I could run on localhost, however, if this would still work.) We would prefer to not have to recompile the application whenever a password changes, so using web.config (or db.config or whatever) seems to make the most sense. A developer should not be able to decrypt the production database password. If a developer checks the source code out onto their localhost laptop (which would determine that it should be using the DevDatabaseConnectionString, remember?) and the laptop gets lost or stolen, it should not be possible to get at the other connection strings. Thus, having a single RSA private key to un-encrypt all three passwords cannot be considered. (Contrary to #3 above, it does seem like we'd need to have three separate key files if we went this route; these could be installed once per machine, and should the wrong key file get deployed to the wrong server, the worst that should happen is that the app can't decrypt anything---and not allow the wrong host to access the wrong database!) I know this is probably a subjective question (asking for a "best" way to do something), but given the criteria I've mentioned, I'm hoping that a single best answer will indeed arise. Thank you!

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  • Mercurial local branching and pushing to shared repository

    - by Steve Horn
    I created a branch on my local Mercurial repository. I want to push to the shared repository so my work can be backed up, but I don't want other project members to see the branch. What's the standard operating procedure in this case? I'd like to avoid having the repository get full of developer branches that I don't need to see.

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  • What kind of intern experience should I get?

    - by Narcolapser
    So right now I have a good job as a software development intern for a company called Country Maid. I know that having 4 years of experience when I graduate from college (I'm currently a freshman) will look good on a resume. But I started to wonder, would 4 with one company be best, or 4 years split up between multiple companies be best? So my question is, when hiring a software developer straight out of college, what kind and how much experience to companies look for? ~N

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  • Validating against a Schema with JAXB

    - by fwgx
    I've been looking for solutions to this problem for far too long considering how easy it sounds so I've come for some help. I have an XML Schema which I have used with xjc to create my JAXB binding. This works fine when the XML is well formed. Unfortunately it also doesn't complain when the XML is not well formed. I cannot figure out how to do proper full validation against the schema when I try to unmarshall an XML file. I have managed to use a ValidationEventCollector to handle events, which works for XML parsing errors such as mismatched tags but doesn't raise any events when there is a tag that is required but is completely absent. From what I have seen validation can be done againsta schema, but you must know the path to the schema in order to pass it into the setSchema() method. The problem I have is that the path to the schema is stored in the XML header and I can't knwo at run time where the schema is going to be. Which is why it's stored in the XML file: <?xml version="1.0" encoding="utf-8"?> <DDSSettings xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="/a/big/long/path/to/a/schema/file/DDSSettings.xsd"> <Field1>1</Field1> <Field2>-1</Field2> ...etc Every example I see uses setValidating(true), which is now deprecated, so throws an exception. This is the Java code I have so far, which seems to only do XML validation, not schema validation: try { JAXBContext jc = new JAXBContext() { private final JAXBContext jaxbContext = JAXBContext.newInstance("blah"); @Override public Unmarshaller createUnmarshaller() throws JAXBException { Unmarshaller unmarshaller = jaxbContext.createUnmarshaller(); ValidationEventCollector vec = new ValidationEventCollector() { @Override public boolean handleEvent(ValidationEvent event) throws RuntimeException { ValidationEventLocator vel = event.getLocator(); if (event.getSeverity() == event.ERROR || event.getSeverity() == event.FATAL_ERROR) { String error = "XML Validation Exception: " + event.getMessage() + " at row: " + vel.getLineNumber() + " column: " + vel.getColumnNumber(); System.out.println(error); } m_unmarshallingOk = false; return false; } }; unmarshaller.setEventHandler(vec); return unmarshaller; } @Override public Marshaller createMarshaller() throws JAXBException { throw new UnsupportedOperationException("Not supported yet."); } @Override @SuppressWarnings("deprecation") public Validator createValidator() throws JAXBException { throw new UnsupportedOperationException("Not supported yet."); } }; Unmarshaller unmarshaller = jc.createUnmarshaller(); m_ddsSettings = (com.ultra.DDSSettings)unmarshaller.unmarshal(new File(xmlfileName)); } catch (UnmarshalException ex) { Logger.getLogger(UniversalDomainParticipant.class.getName()).log( Level.SEVERE, null, ex); } catch (JAXBException ex) { Logger.getLogger(UniversalDomainParticipant.class.getName()).log( Level.SEVERE, null, ex); } So what is the proper way to do this validation? I was expecting there to be a validate() method on the JAXB generated classes, but I guess that would be too simple for Java.

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  • How to specify the Event Log Source where ASP.NET writes unhandled exceptions?

    - by Knagis
    By default ASP.NET writes any unhandled exception to the default ASP.NET X.Y.Z.0 event log source. Is it possible to specify either configuration that the events and exceptions for a particular application has to be logged in a specific event log Source? The reason is that I would want all issues directly related to my application to be stored in a separate event log category that can then be filtered against.

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  • Spring ApplicationContextShutdownBean entries in log

    - by Eric J.
    My SpringSource dm Server log is full of lines like the following: com.springsource.server.kernel.dm.ApplicationContextShutdownBean < void com.springsource.server.kernel.dm.ApplicationContextShutdownBean.onApplicationEvent(ApplicationEvent) making it hard to spot interesting log events. How can I turn these log entries off?

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  • Mobile web page size

    - by andreas
    Hey all! I have a developer designing a financial application to be used on a mobile phone via the phones browser. Now each page is 150kb wich to my opinion is way to large. No images are used as it is mostlyhtml buttons and css and possibly javscript. How can i minimise the page size?

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  • How to know when a user has really released a key in Java?

    - by Luis Soeiro
    (Edited for clarity) I want to detect when a user presses and releases a key in Java Swing, ignoring the keyboard auto repeat feature. I also would like a pure Java approach the works on Linux, Mac OS and Windows. Requirements: When the user presses some key I want to know what key is that; When the user releases some key, I want to know what key is that; I want to ignore the system auto repeat options: I want to receive just one keypress event for each key press and just one key release event for each key release; If possible, I would use items 1 to 3 to know if the user is holding more than one key at a time (i.e, she hits 'a' and without releasing it, she hits "Enter"). The problem I'm facing in Java is that under Linux, when the user holds some key, there are many keyPress and keyRelease events being fired (because of the keyboard repeat feature). I've tried some approaches with no success: Get the last time a key event occurred - in Linux, they seem to be zero for key repeat, however, in Mac OS they are not; Consider an event only if the current keyCode is different from the last one - this way the user can't hit twice the same key in a row; Here is the basic (non working) part of code: import java.awt.event.KeyListener; public class Example implements KeyListener { public void keyTyped(KeyEvent e) { } public void keyPressed(KeyEvent e) { System.out.println("KeyPressed: "+e.getKeyCode()+", ts="+e.getWhen()); } public void keyReleased(KeyEvent e) { System.out.println("KeyReleased: "+e.getKeyCode()+", ts="+e.getWhen()); } } When a user holds a key (i.e, 'p') the system shows: KeyPressed: 80, ts=1253637271673 KeyReleased: 80, ts=1253637271923 KeyPressed: 80, ts=1253637271923 KeyReleased: 80, ts=1253637271956 KeyPressed: 80, ts=1253637271956 KeyReleased: 80, ts=1253637271990 KeyPressed: 80, ts=1253637271990 KeyReleased: 80, ts=1253637272023 KeyPressed: 80, ts=1253637272023 ... At least under Linux, the JVM keeps resending all the key events when a key is being hold. To make things more difficult, on my system (Kubuntu 9.04 Core 2 Duo) the timestamps keep changing. The JVM sends a key new release and new key press with the same timestamp. This makes it hard to know when a key is really released. Any ideas? Thanks

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  • How do I setup a Python development environment on Linux ?

    - by Rob Sobers
    I'm a .NET developer who knows very little about Python, but want to give it a test drive for a small project I'm working on. What tools and packages should I install on my machine? I'm looking for a common, somewhat comprehensive, development environment. I'll likely run Ubuntu 9.10, but I'm flexible. If Windows is a better option, that's fine too.

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  • Google Chrome extension: Use Javascript inside webkit notifications?

    - by Arnaud Leymet
    I have been following the Google Chrome Extensions Developer's guide and have been able so far to create an extension with a browser action without popup that would trigger a webkit notification in HTML format. Fact is that this HTML file contains action buttons, links and javascript, but none of them seems to respond. Is this a by-design behavior or is there a way for embedding javascript/links/buttons in these webkit notifications?

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  • Need some help with constructor

    - by mousey
    you have a class A, where you set ctor to be private, so a client can't call "A a;" to create obj on stack. But someday another developer add a new ctor: "A(int)" and try to call "A a(1);" inside main(). So this will create a obj on stack. How do you prevent that?

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  • Nginx syntax problem '~*'

    - by Joseph Silvashy
    I have at condition checking to see if user has a cookie like this: if ($http_cookie ~* "developer=true" ) { ... } I'm not familiar with the ~* syntax, I assume that that means if it 'contains', but what about the opposite? like what if I wanted to check if $http_cookie doesn't contain that cookie?

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  • flash's "useHandCursor = true" not working for Chrome on Mac

    - by fucrate
    I'm developing a flash game using the default SimpleButton object for my buttons and the hand cursor is working just fine on PC Chrome and Firefox and Safari for Mac, but Chrome on Mac is not letting me swap the default cursor for the hand cursor. I've even set useHandCursor to true for every button I add a click event to and am still getting nothing. We've got no other rollover events, so it's important that the cursor switch. Anyone else run into this and have a lil-fixy / workaround?

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  • List of valid characters for the fragment identifier in an URL?

    - by sohtimsso1970
    I'm using the fragment identifier to create a permalink for AJAX events in my web app similar to this guy. Something like: http://www.myapp.com/calendar#filter:year/2010/month/5 I've done quite a bit of searching but can't find a list of valid characters for the fragment idenitifer. The W3C spec doesn't offer anything. Do I need to encode the characters the same as the URL in has in general? There doesn't seem to be any good information on this anywhere.

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  • Do Websites need Local Databases Anymore?

    - by viatropos
    If there's a better place to ask this, please let me know. Every time I build a new website/blog/shopping-cart/etc., I keep trying to do the following: Extract out common functionality into reusable code (Rubygems and jQuery plugins mostly) If possible, convert that gem into a small service so I never have to deal with a database for the objects involved (by service, I mean something lean and mean, usually built with the Sinatra Web Framework with a few core models). My assumption is, if I can remove dependencies on local databases, that will make it easier and more scalable in the long run (scalable in terms of reusability and manageability, not necessarily database/performance). I'm not sure if that's a good or bad assumption yet. What do you think? I've made this assumption because of the following reason: Most serious database/model functionality has been built on the internet somewhere. Just to name a few: Social Network API: Facebook Messaging API: Twitter Mailing API: Google Event API: Eventbrite Shopping API: Shopify Comment API: Disqus Form API: Wufoo Image API: Picasa Video API: Youtube ... Each of those things are fairly complicated to build from scratch and to make as optimized, simple, and easy to use as those companies have made them. So if I build an app that shows pictures (picasa) on an Event page (eventbrite), and you can see who joined the event (facebook events), and send them emails (google apps api), and have them fill out monthly surveys (wufoo), and watch a video when they're done (youtube), all integrated into a custom, easy to use website, and I can do that without ever creating a local database, is that a good thing? I ask because there's two things missing from the puzzle that keep forcing me to create that local database: Post API RESTful/Pretty Url API While there's plenty of Blogging systems and APIs for them, there is no one place where you can just write content and have it part of some massive thing. For every app, I have to use code for creating pretty/restful urls, and that saves posts. But it seems like that should be a service! Question is, is that what the website is? ...That place to integrate the worlds services for my specific cause... and, sigh, to store posts that only my site has access to. Will everyone always need "their own blog"? Why not just have a profile and write lots of content on an established platform like StackOverflow or Facebook? ... That way I can write apps entirely without a database and know that I'm doing it right. Note: Of course at some point you'd need a database, if you were doing something unique or new. But for the case where you're just rewiring information or creating things like videos, events, and products, is it really necessary anymore??

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  • Coding for fun

    - by Klelky
    I would describe myself as a career coder - i.e. a developer at work but never really coded for fun. Early in my career I've hit the management track though. I really like my current job and can't see me going back to coding anytime soon so: Whats the best way to develop my coding skills and learn new languages in my spare time?

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  • Umbraco 404 error after install

    - by ruz
    I have downloaded and setup umbraco on IIS 7.5. I got a 404 page error when I tried running umbraco with Visual Web Developer 2008 Express Edition. Here is the error: Server Error in '/umbraco4' Application. HTTP Error 404 - Not Found. Version Information: ASP.NET Development Server 9.0.0.0 umbraco4 is the webroot directory where I have setup umbraco I don't have experience working with .net Any help will be appreciated. Thanks!!

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  • best option to create simple website mockup with navigation

    - by Buzzer
    I'm trying to put together a static html website with full navigation. In other words, I want the user to click some links and images and actually be taken to another page. I'm a developer so I know how to do this in frameworks like ASP.Net MVC and grails. However, for this particular case, I just want to quickly mock up the UI and provide simple navigation so I can do some user testing. Can anyone advice on how to do this? Thanks,

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