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• Alter multiple tables' columns length

  - by gdoron

  So, we just found out that 254 tables in our Oracle DBMS have one column named "Foo" with the wrong length- Number(10) instead of Number(3). That foo column is a part from the PK of the tables. Those tables have other tables with forigen keys to it. What I did is: backed-up the table with a temp table. Disabled the forigen keys to the table. Disabled the PK with the foo column. Nulled the foo column for all the rows. Restored all the above But now we found out it's not just couple of tables but 254 tables. Is there an easy way, (or at least easier than this) to alter the columns length? P.S. I have DBA permissions.

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• how to close layer that showed in other layer in cocos2d-iphone

  - by yegomo

  I have one layer called alayer, and there is a button called abutton, when click the button, another layer called blayer will show in alayer, not replaceScene, please look at the following code, alayer.m -(void)abuttonclicked:(id)sender { blayer *blayer = [blayer node]; blayer.position = ccp(1,1); [self addChild:blayer]; } blayer.m has a button called bbutton and string value called bstring, I want to click the b button, it will close blayer (remove blayer from alayer), and pass the string value bstring to alayer, please look at following code, -(void)bbuttonclicked:(id)sender { // how can do here to close its self(remove its self from alayer), and pass the bstring to alayer? } thanks. ps. I can use NSUserDefault to pass the string value, but I think it's a bad way to do this, is there another way to pass value?

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• JSF/HTML - Add a java applet to web page programmaticly.

  - by Ben

  Hi, Theres a web page i'm making which content is very dynamic and so I'm building it from inside the backing bean. I would like to add a java applet to the web page but I could not find the Java Object to correspond to the <applet> tag. So My questions are - What is the JAVA Object for an applet? How did you find it? (For similar future searches) Thanks! P.S - Just to be clear. An example: <h:PanelGroup> would be HtmlPanelGroup as a java object.

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• Can you recommend wiki, forum, blog & cms plugins for an existing Rails app or should I go the route

  - by Nick Gorbikoff

  Hello. I have an existing Rails internal app, that handles inventory, invoicing, order taking, labeling, data imports/exports, etc, etc. Now I need to add blog, cms, forum and wiki functionality to it. It seems silly to try to roll out my own solutions when there are already some out there. So I was wondering if people could recommend based on their experience: Are there good plugins out there? (Which ones you had experience with?) Would you rather recommend to go the route of engines, and integrate RadiantCMS or similar apps? (please provide recommendations based on your integration experience) Or would you just bite the bullet and roll out your own? Thank you. P.S.: Right now the app is Rails 2.3, but it will get upgraded to Rail 3 in a year, when most gems/plugins that it depends on will be Rails 3 compatible.

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• How to show controls hierarchy in Winform designer

  - by Cédric V

  Hi, One of our client has an old winform application that contains forms with a lot of controls on them. Some of those controls have a deep hierarchy and that make it to hard to select them in the designer. I would need to understand this hierarchy to make modification and correct some bugs, is there a tools, plugin or something to be able to clearly see this hierarchy ? Something like in the aspx source when you have a breadcrumb of where you are in the HTML hierarchy (HTML Body div etc ...) or something more visual maybe ? Any ideas ? PS : we use Visual Studio 2008, .NET 2.0

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• Using http request on Yahoo Map Service C#

  - by Tang

  Hi I'm currently using yahoo map service to display a static image of a location with the latitude and longitude that I suppiled, and this work fine. But I was just wondering if it possible to send an url request to the service that will return an image with multiple markers on the image? (ie. more than one locations marked). If anyone know how to do this, please help! Thank you very much! ps. I am developing my application for windows mobile using .NET CF 3.5 with windows mobile 6 professional as a target platform.

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• Truncating a table referenced by a foreign key

  - by born to hula

  Hey, We have two tables in a SQL Server 2005 database, A and B.There is a service which truncates table A every day. Recently, a foreign key constraint was added to table B, referencing table A. As a result, it isn't possible truncating table A anymore, even if table B is empty. Is there any workaround to get the same result as truncating table A? I've already tried the approach below but the identity wasn't reset. DBCC CHECKIDENT (TABLENAME, RESEED, 0) PS. before anyone points this as a duplicate, the different thing here is that I'm not allowed to drop constraints, nor creating any.

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• Call javascript function from Java (Groovy) class

  - by ashkanr

  Hi, I have a javascript function (very big one!) that I need its functionality in a Java (Groovy) class. It is a simple calendar converter. I can rewrite it in groovy but just want to know if it is possible to call javascript function from a java (groovy) method? I guess functional testing libraries like selenium and Canoo should have something like this, am I right? PS: I don't want to wake up a real-world browser in order to use its JS runtime env. Thanks,

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• Cache bandwidth per tick for modern CPUs

  - by osgx

  Hello What is a speed of cache accessing for modern CPUs? How many bytes can be read or written from memory every processor clock tick by Intel P4, Core2, Corei7, AMD? Please, answer with both theoretical (width of ld/sd unit with its throughput in uOPs/tick) and practical numbers (even memcpy speed tests, or STREAM benchmark), if any. PS it is question, related to maximal rate of load/store instructions in assembler. There can be theoretical rate of loading (all Instructions Per Tick are widest loads), but processor can give only part of such, a practical limit of loading.

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• @Intertceptors does not work for web bean for JSF page.

  - by Drevlyanin

  @Named @ConversationScoped @Interceptors(MyInterceptor.class) public class BeanWeb implements Serializable { public String methodThrowException throws Exception() { throws new Exception(); } } public class MyInterceptor { @AroundInvoke public Object intercept(InvocationContext ic) throws Exception { try { return ic.proceed(); } catch (Exception e) { return null; } } } For @Stateless beans interceptor works, but for the BeanWeb interceptor does not work. And we have never entered into "intercept" method. Why is this happening? How could intercept method calls in BeanWeb? P.S.: All this spin under Glassfish 3.x.

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• Controlling access to large files in Apache

  - by obeattie

  Hi there, I am looking to control access to some large files (we're talking many GB here) by the use of signed URLs. The files are currently restricted by LDAP Basic authentication (mod_auth_ldap), but I need to change this to verify the signature (passed as a query parameter in the URL). Basically, I just need to run a script to verify the signature, and allow the request to proceed as if authentication had succeeded. My initial thought to this was just to use a simple CGI script, but as the files are so large I'm concerned about performance. So, really, this question is (probably) more like "are there any performance implications of streaming large files from a CGI script via Apache?"… and if so, "is there a better way of doing this (short of writing a dedicated authentication module)?" If this makes any sense, help would be much appreciated :) P.S. I wasn't sure exactly what to search for for this (10 minutes of Googling were fruitless), so I may very well be duplicating someone else's post.

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• How to get the string value of a UItextView?

  - by cocos2dbeginner

  Hi, I have a UITextView and a NString; I made this: myS = [myInfoTextView text]; but i get this in the console and not the string which is in the uitextview ( "<UIToolbarTextButton: 0x4d200c0; frame = (6 0; 112 44); opaque = NO; layer = <CALayer: 0x4da5540>>", "<UIToolbarTextButton: 0x4da5bb0; frame = (128 0; 106 44); opaque = NO; layer = <CALayer: 0x4d9e640>>" ) PS: I'm using the iphone sdk 4.2.

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• How to generate entities with Objects?

  - by 01

  I want to generate @Enities with seam-gen from existing database. However its generates very simple version only. For Example @Entity @Table(name = "badges") public class Badges implements java.io.Serializable { private Integer id; private **Integer userId**; private String name; private String date; I want him to generate @Entity @Table(name = "badges") public class Badges implements java.io.Serializable { private Integer id; private **User user**; private String name; private String date; I even have constrain on userId and it points to column User.id P.S. Im using MySQL5 and seam gen is using hbm2java to generate entities.

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• RSS feed per tag

  - by niaher

  Hi. Suppose stackoverflow.com wanted to have an RSS feed per each tag. They would probably have requests like stackoverflow.com/rss?tag=aspnet to return appropriate RSS feeds. This is the easy part. Now when the user requested stackoverflow.com/rss?tag=aspnet he would see some XML. Instead it would be better to show a page where user can choose which RSS reader he wants to subscribe with (just like feedburner.com). My question is: is there any ready-made code (html+javascript) that I can copy-paste to create such a subscription page? Basically I want to copy feedburner.com's subscription page onto my own site. PS - I would be happy using feedburner.com, but it would require me to create a feed for each tag manually, which is impractical.

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• ASP.NET MVC 2 project default script files. What do you use?

  - by Andrew Florko

  Many js files are included into Scripts folder by default in ASP.NET MVC 2 Projects. I suppose developers use jquery library nearly every time they program a site, but what about other files? Please, can you tell scenarios and reasons when you: Use Microsoft.Ajax instead of jquery or mix both libraries? Do you use JQuery validation infrastructure instead of asp.net mvc one, or combine them both? Thank you in advance! P.S. there are also diferrent editions of the same file. Do you include different editions depenending on debug/release build?

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• jQuery: use Use filter(), but work with both results

  - by Tomalak

  In jQuery, filter() reduces your result to those elements that fulfill a certain condition. This splits the list in two parts. Working with the "good half" of the elements is easy: $("some selector").filter(function() { // determine result... return result; }).each( /* do something */ ); But how can I work with the "other half" of my elements, too - but without doing the equivalent of this: $("some selector").filter(function() { // determine result... return !result; }).each( /* do something else */ ); Basically, I'd like to feed two separate /* do something */ parts to a single filter. One for those that match, and one for the others - without having to filter twice. Am I missing a jQuery function that does this? P.S.: I guess I could do: $("some selector").each(function() { // determine result... if (result) /* do something */ else /* do something else */ }); But I was hoping for something nicer.

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• Can I install Whizzy for Emacs on a Mac (is Mac OS X a unix environment)?

  - by Vivi

  I think my question is pretty stupid, but here it goes: I am using Aquamacs, and I want to install the Whizzy mode. The website for Whizzy says that "it is designed for Unix platforms". I read that Mac OS X is unix certified, but does that mean I can install Whizzy on my mac? If yes, can I install and use it with Aquamacs or do I have to use the Emacs running from the terminal? PS: I don't know whether this question should be posted here or on SuperUser, but as Emacs users seem to hang out here more often, this is the place I chose.

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• How to dynamically order many-to-many relationship with JPA or HQl?

  - by Indrek

  I have a mapping like this: @ManyToMany(cascade = CascadeType.PERSIST) @JoinTable( name="product_product_catalog", joinColumns={@JoinColumn(name="product_catalog", referencedColumnName="product_catalog")}, inverseJoinColumns={@JoinColumn(name="product", referencedColumnName="product")}) public List<Product> products = new ArrayList<Product>(); I can fetch the products for the catalog nicely, but I can't (dynamically) order the products. How could I order them? I probably have to write a many-to-many HQL query with the order-by clause? I though of passing the orderBy field name string to the query, or is there a better solution? Tables are: products, product_catalog, product_product_catalog (associative table) P.S. Using Play! Framework JPASupport for my entities.

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• Customized bulleted list items in ASP.NET

  - by sudarsanyes

  Hi, I am just a beginner in ASP.NET. My question is simple, I wanna add list items dynamically from the code behind file and I want each item to have a text and couple of images as hyperlinks. The HTML sample should be like, <ul> <li>do foo &nbsp;<a href="#"><img src="some_image.png" /></a></li> <li>do bar &nbsp;<a href="#"><img src="some_image.png" /></a></li> ... </ul> The number of items is dependent on the collection retrieved by the code behind file. P.S. my code behind file is written in C#

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• django - change content inside a iframe

  - by fabriciols

  Hello guys, I have a site running in django, and want to make available this content on third party site. In these sites they make my content in a tag. When my site is required from within that iframe I would like to modify the content (remove header, filter data, etc.). What better way to do this? Is there any way of knowing that the request is being made from an iframe? Multiples sites will request the same url, can i change the content, based on the source site? thanks! ps.: sorry for my bad english :/

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• Correct expression for checking leap years

  - by Debanjan

  What will be the exact definition of leap year? AFAIK "A year which is divisible by 4 is a leap year. But for century years' the years which are divisible by 400 is a leap year." But that definition makes 100, 200, 300, 400.... upto 1700 NOT LEAP years! But in Gregorian calendar all of them are all leap year, check this out. You can also try "call 1700" in Linux to verify. So the correct algorithm for leap years would be: if ( (year % 4 == 0) && ( year <= 1700 || year % 100 != 0 || year % 400 == 0 )) printf("%d is a leap year.\n", year); else printf("%d is not a leap year.\n", year); But is this specific to Gregorian calendar? Even if that is the case why is it not mentioned here? Regards, PS:The history of Gregorian callender seems interesting check out the September month of 1752.

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• Which are the current/emerging desktop development technologies worth looking into?

  - by heeboir

  Greetings, With all the existing development towards web development and emerging technologies in that area, I'm left wondering; what is a state of the art way to implement desktop applications in this day and age? If you were to start a new application of considerable size from scratch what technology would you invest your efforts in (focusing on cross platform portability, decent performance and interoperability with existing standards)? I've looked into the Adobe Air platform which appears quite impressive but seems rather limited to support a large application. Would something like Java/SWT still be the sensible choice? Do things like GWT fit the bill? Thanks P.S. I'm leaving my question a bit open-ended in an effort to gather diverse answers. Surely this a subjective matter and there is no right and wrong answer.

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• Oracle spatial search within distance

  - by KA_lin

  I have the following table Cities: ID(int),City(char),latitude(float),longitude(float). Now based on a user`s longitude(ex:44.8) and latitude(ex:46.3) I want to search for all the cities near him within 100 miles/KM. I have found some examples but don`t know how to adapt them to my case select * from GEO.Cities a where SDO_WITHIN_DISTANCE([I don`t know], MDSYS.SDO_GEOMETRY(2001, 8307, MDSYS.SDO_POINT_TYPE(44.8,46.3, NULL) ,NULL, NULL), 'distance = 1000') = 'TRUE'; Any help would be appreciated. P.S: If it is possible to have the distance and to be sorted P.P.S: I want to do it in this way due to performance issues, I have done this in this way http://www.scribd.com/doc/2569355/Geo-Distance-Search-with-MySQL but it takes too long...

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• Subsonic: Select on a View, locks the table update?

  - by Jay

  Hi, I have a Web site live and running now. I am using the Subsonic to handle the database connections etc. I am getting time out expired error while updating a table (say Employee). When I check sp_who2, I see the suspended connection for the PID which is updating with a block by anothor pid, so I run the profiler and found out when ever this suspended connection occur, the blocked pid is a select statement on the view (say ActiveEmployees, which is the same as the table but with some where conditions). Anyone know why a Select statement on the view could cause failure in update. If it is other (like select fails due to update) may be reasonable. Is there any way for me to make select on a view without locking the table? PS: I am using the Sql server 2005 and subsonic 2.2. Thanks

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• C++ and preprocessor macro gotcha

  - by aaa

  hello. Appologies for yet another gotcha question. Can you figure out what is wrong with the statement below? gcc error states: "type name declared as function returning array". #define MACRO(a) (a)[1] class index { typedef int index_type[2]; index_type& operator[](int i); }; int k = 0; int i = MACRO(index()[k]); ps: is such questions are deemed too annoying, I am going to stop.

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