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• Postgresql function for last inserted id

  - by Anton

  I am looking for function in postgres that returns last inserted id into table. In MS SQL there is SCOPE_IDENTITY(). Is something same in PostgreSQL? Please, do not advise use something like this: select max(id) from table

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• Good Hash Function for Strings

  - by Leif Andersen

  I'm trying to think up a good hash function for strings. And I was thinking it might be a good idea to sum up the unicode values for the first five characters in the string (assuming it has five, otherwise stop where it ends). Would that be a good idea, or is it a bad one? I am doing this in Java, but I wouldn't imagine that would make much of a difference.

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• C++ Array Initialization in Function Call or Constructor Call

  - by david

  This question is related to the post here. Is it possible to initialize an array in a function call or constructor call? For example, class foo's constructor wants an array of size 3, so I want to call foo( { 0, 0, 0 } ). I've tried this, and it does not work. I'd like to be able to initialize objects of type foo in other objects' constructor initialization lists, or initialize foo's without first creating a separate array. Is this possible?

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• Using PyLab to create a 2D graph from two separate lists

  - by user324333

  Hey Guys, This seems like a basic problem with an easy answer but I simply cannot figure it out no matter how much I try. I am trying to create a line graph based on two lists. For my x-axis, I want my list to be a set of strings. x_axis_list = ["Jan-06","Jul-06","Jan-07","Jul-07","Jan-08"] y_axis_list = [5,7,6,8,9] Any suggestions on how to best graph these items?

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• Using RESTful Rails, How to Do an Insert and Create in One Action

  - by Dex

  I have a link on a website that says "add object". When I do this, an AJAX call is made and I want to do the following things: 1) if the container in the session does not exist, create one, else use existing 2) add the object to the container I'm new to RESTful design and am wondering how to best accomplish this in Rails. Step #1 in particular

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• How to create a MobileSubstrate Plugin for iPhone?

  - by raziiq

  Hi there. i have googled alot on how to create a mobilesubstrate plugin for iPhone but couldnt get any basic tutorial for that. Anybody having any knowledge of how to do this? I am looking for a basic understanding of it. Thanks :)

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• Mysql through PHP gives a "Can't create/write to file" error

  - by Peter

  The full error is: Message: Mysqli statement execute error : Can't create/write to file '/var/www/zendApp/backup/mysql/1268733580_name.sql' (Errcode: 13) I have tried several things already with the /var/www/ZendApp/backup/mysql directory $chmod 777 mysql $chmod 1777 mysql $chown root:root mysql $chown mysql:mysql mysql But nothing helps. What am I doing wrong here? Do I have to tell mysql somewhere that I can write to that directory?

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• Define polynomial function

  - by user1822707

  How can I define a function - say, def polyToString(poly) - to return a string containing the polynomial poly in standard form? For example: the polynomial represented by [-1, 2, -3, 4, -5] would be returned as: "-5x**4 + 4x**3 -3x**2 + 2x**1 - 1x**0" def polyToString(poly): standard_form='' n=len(poly) - 1 while n >=0: if poly[n]>=0: if n==len(poly)-1: standard_form= standard_form + ' '+ str(poly[n]) + 'x**%d'%n else: standard_form= standard_form + ' + '+str(poly[n]) + 'x**%d'%n else: standard_form= standard_form + ' - ' + str(abs(poly[n])) + 'x**' + str(n) n=n-1 return standard_form

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• Get name of class-attribute or class-function as String

  - by ifischer

  Say i have the following class: class Person { @BeanProperty var firstName: String = _ } Is it possible to get the String representation of "firstName" in a type-safe way, by reflection or something? Or the String representation of the generated "getFirstName"-Function?

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• Warning: sprintf() [function.sprintf]: Too few arguments in /home/inrunitc/public_html/chek/chek.php

  - by FarHan

  Warning: sprintf() [function.sprintf]: Too few arguments in /home/inrunitc/public_html/chek/chek.php on line 132 Query was empty I am new to PHP and mysql and I have like 88 fields in my form - what should I do ?

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• Create Word/RTF file with table of contents from Java

  - by Glen

  Hi, I want to create a Word or RTF file with a table of contents (with links to each section) from Java. From my understanding, iText & Apache POI do not support generating a table of contents. Some clients of the app still use older versions of Word, so I need a library that supports the older Word doc format. Does anyone know how I can do this? Thanks, Glen

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• Invoking a PL/SQL function from EclipseLink

  - by Mark Robinson

  I'm trying to execute a PL/SQL function in EclipseLink which uses Oracle Specific types(eg. Boolean). I've tried using PLSQLStoredProcedureCall which complains that I'm not executing a procedure and I have tried using StoredFunctionCall but that returns PLS-00382: expression is of wrong type Has anyone developed a solution to invoke functions in EclipseLink with Oracle Types? I have heard that it would be possible to extend StoredFunctionCall but I'd rather leverage existing functionality as much as possible.

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• Create a DB alias using T-SQL in SQL Server 2005

  - by Randall Salas

  Hi: I am trying to create a Database alias for many of the DBs. I wonder if there is a T-sql that can let me do it. I have not found anything about this. Thx.

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• LAMP - Tool to create Layered PDF in PHP..

  - by pravinp

  Hi Do anyone know Good and CHEAPER tool we can use to create layered PDF in LAMP? i came to know about PDFLib+PDI8 but thats €1590... but i am looking for cheaper option.. but must be same level to that PDFLib+pdi8. Thanks in advance Pravin P

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• Do Bitmap.scaleInto() function will work on older version of blackberry actual device

  - by Maneesh

  Can anyone tell me that do scaleinto function will work on actual device having older os that 5.0. Bleow is the code. public static Bitmap resizeImage(Bitmap originalImage, int newWidth, int newHeight) { Bitmap newImage = new Bitmap(newWidth, newHeight); originalImage.scaleInto(newImage, Bitmap.FILTER_BILINEAR, Bitmap.SCALE_TO_FILL); return newImage; }

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• how to create a linq query using join and max

  - by geoff swartz

  I have 2 tables in my linq dbml. One is people with a uniqueid called peopleid and the other is a vertical with a foreign key for peopleid and a uniqueid called id. I need to create a type of linq query that does a left outer join on people and gets the latest record in the vertical table based off the max(id) column. Can anyone suggest what this should look like? Thanks.

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• .Net Com Interop: Return bool for a wrapped function that returns BOOL

  - by Frederick

  I have COM function that returns BOOL -- which is simply a typedef for int -- and I'm generating a .Net wrapper using Visual Studio. Is there a way I can have the wrapper automatically convert the BOOL to the C# bool type and return that?

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• How to create a GUID in Python

  - by Jonathon Watney

  How do I create a GUID in Python that is platform independent? I here there is a method using ActivePython on Windows but it's Windows only because it uses COM. Is there a method using plain Python?

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• how to create a JSON object in action class of JAVA

  - by Jugal

  I want to create a JSON object. I have tried the following myString=new JSONObject().put("JSON", sampleClass).toString(); but mystring gives me {"SampleClass@170f98"}. I also tried the following XStream xsStream=new XStream(new JsonHierarchicalStreamDriver()); SampleClass sampleClass=new SampleClass(userset.getId(),userset.getUsername()); myString=xsStream.toXML(sampleClass); It works but when i use getJSON in javascript to get myString it does not work.

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• Create popup animation

  - by dragon

  How to create a pop up animation on iPhone? I want show my uiview as a popup view, like uialertview design.

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• Create fake UDP traffic

  - by Chad

  I have to write a UDP client. Unfortunately, the source system is not always available Is there a simple tool out there that I can use to create a fake UDP server/traffic on my machine?

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• Create a java Date Picker component?

  - by Venkats

  I have the datepicker component in the format of MM/dd/yyyy, But I want to create date picker in java the form of dd/MM/yyyy. So where can I get the suggestion or related solutions. Please give the basic idea about that. Thanks in Advance..

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• Is their any tool that can create Ruby on Rail migration script of existing Database

  - by changed

  Hi I wanted to know if their is any tool that can be used to create sql migration script of existing database in Ruby on Rails. Also is their any visual tool that can be used to write Ruby on Rails migration script.

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• How to create own XP printer driver

  - by Craig Johnston

  How would I create my own XP printer driver which will do the following: print to file (probably XPS format) put this file into a password protected ZIP file email the zip file to a configured email address Do existing printer driver already offer something like this anyway?

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• How to create an "endless" scrolling slideshow?

  - by Andrew

  I know a good bit of JS and I'm familiar with jQuery, and I'm trying to create an "endless" slideshow (like the one on http://thisismedium.com/), where the images scroll -- one right behind the other -- and when it reaches the end it loops. I don't really know how to start, so I was hoping someone could point me in the right direction. I created a slideshow before that automatically switched images and let you click Next and Previous, but I'm stuck here. =/.

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