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• How to make Finder 'Open With' work for my application (XCode, OS X)?

  - by Adion

  I have created an application that is capable of playing audio files. This in itself works fine, and so does drag&drop from finder to my application. What I would like as well, is that people can use my application from Finder using the Open With menu (or even allow them to set my application as default for a certain file type) After a lot of searching, I found that I should configure a document type in XCode (Editing information property lists) I successfully added such a type named 'Music File', with UTI 'public.mp3' When I now right-click an MP3 file, my application is listed in the 'Open With' menu. Trying to use it, my app opens, but I get a warning message saying "The document could not be opened. App cannot open files in the 'Music File' format" It doesn't appear to be passed through the command line as is the case in Windows. My application does support drag&drop from Finder, and this is working fine too. I don't really know where to look next, so it would be great if anyone could point me in the right direction. My application isn't using NSDocument, so the 'Class' field doesn't apply for me I think (and according to the docs this field isn't required, but it doesn't say how to handle it without a Class)

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• How to ask questions to an obstructionist?

  - by Rob Wells

  This is not related to my other recently posted question about "working with a star developer". In a similar vein, how do you work with someone who will only answer the specific question that you ask. I worked with someone who, when you asked a question on a specific aspect of the system, would give you the answer just related to the specific bit you'd asked about. For example, when processing radar messages I'd ask about an aspect of message number RJ546 and he would answer just about that specific part of RJ546. He wouldn't mention anything about the other freaky parts of the message, or mention any related aspects of the other messages. Then you'd go off and work on the processing and all of a sudden all this other freakiness would pop up. What's a good technique when working with this type of person? BTW I later found out that the person who I'd come in to replace had quit because he got sick and tired of having these surprises pop up due to the lack of information provided by this person. Edit: I forgot to add that the person was deliberately obstructionist and believed that job security came from hoarded knowledge not being disseminated.

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• MVC and Checkboxes...leaves a bit to be desired

  - by Josh

  Here is my problem. I have a list of models that are displayed to the user. On the left is a checkbox for each model to indicate that the user wants to choose this model (in this case, we're building products a user can add to their shopping cart). The model has no concept of being chosen...it strictly has information about the product in question. I've talked with a few other developers after having gone through and the best I could come up with is getting the formcollection and string parsing the key values to determine whether the checkbox is checked or not. This doesn't seem ideal. I was thinking there would be something more strongly bound, but I can't figure out a way to do it. I tried creating another model that had a boolean property to represent being checked and a property of the model and passing a list of that model type to the view and creating a ActionResult on the controller that accepts a list of the new model / checked property, but it comes back null. Am I just thinking too much like web forms and should just continue on with parsing checkbox values?

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• A good(elegant) way to retrieve records with counts.

  - by user93422

  Context: ASP.NET MVC 2.0, C#, SQL Server 2007, IIS7 I have 'scheduledMeetings' table in the database. There is a one-to-many relationship: scheduledMeeting - meetingRegistration So that you could have 10 people registered for a meeting. meetingRegistration has fields Name, and Gender (for example). I have a "calendar view" on my site that shows all coming events, as well as gender count for each event. At the moment I use Linq to Sql to pull the data: var meetings = db.Meetings.Select( m => new { MeetingId = m.Id, Girls = m.Registrations.Count(r => r.Gender == 0), Boys = m.Registrations.Count(r=>r.Gender == 1) }); (actual query is half-a-page long) Because there is anonymous type use going on I cant extract it into a method (since I have several different flavors of calendar view, with different information on each, and I dont want to create new class for each). Any suggestions on how to improve this? Is database view is the answer? Or should I go ahead and create named-type? Any feedback/suggestions are welcome. My DataLayer is huge, I want to trim it, just dont know how. Pointers to a good reading would be good too.

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• Display last image taken in Media.Images

  - by steve

  Hi I'm inserting an image from the camera (Taking a picture) into the MediaStore.Images.Media datastore. Does anyone know how I can go about displaying the last picture taken? I used Uri image = ContentUris.withAppendedId(externalContentUri, 45); to display an image from the datastore but obviously 45 is not the correct image. I try to pass the information from the previous activity (Camera) to the display activity but I'm assuming due to the photo call back being its own thread the value never gets set. Photo code is as follows Camera.PictureCallback photoCallback = new Camera.PictureCallback() { public void onPictureTaken(byte[] data, Camera camera) { // TODO Auto-generated method stub FileOutputStream fos; try { Bitmap bm = BitmapFactory.decodeByteArray(data, 0, data.length); fileUrl = MediaStore.Images.Media.insertImage(getContentResolver(), bm, "LastTaken", "Picture"); if(fileUrl == null) { Log.d("Still", "Image Insert Failed"); return; } else { picUri = Uri.parse(fileUrl); sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, picUri)); } } catch(Exception e) { Log.d("Picture", "Error Picture: ", e); } camera.startPreview(); } };

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• What is the best way to embed SQL in VB.NET.

  - by Amy P

  I am looking for information on the best practices or project layout for software that uses SQL embedded inside VB.NET or C#. The software will connect to a full SQL DB. The software was written in VB6 and ported to VB.NET, we want to update it to use .NET functionality but I am not sure where to start with my research. We are using Visual Studio 2005. All database manipulations are done from VB. Update: To clarify. We are currently using SqlConnection, SqlDataAdapter, SqlDataReader to connect to the database. What I mean by embed is that the SQL stored procedures are scripted inside our VB code and then run on the db. All of our tables, stored procs, views, etc are all manipulated in the VB code. The layout of our code is quite messy. I am looking for a better architecture or pattern that we can use to organize our code. Can you recommend any books, webpages, topics that I can google, etc to help me better understand the best way for us to do this.

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• Not getting concept of null

  - by appu

  Hy Guys, Beginning with mysql. I am not able to grasp the concept of NULL. Check screen-shot (*declare_not_null, link*). In it when I specifically declared 'name' field to be NOT NULL. When i run the 'desc test' table command, the table description shows default value for name field to be NULL.Why is that so? From what I have read about NULL, it connotes a missing or information that is not applicable. So when I declare a field to be NOT NULL it implies (as per my understanding) that user must enter a value for the name field else the DB engine should generate an error i.e. record will not be entered in DB. However when i run 'insert into test value();' the DB engine enters the record in table. Check screen-shot(*empty_value, link*). FLICKR LINKS *declare_not_null* http://www.flickr.com/photos/55097319@N03/5302758813/ *empty_values* Check the second screenshot on flickr Q.2 what would be sql statemetn to drop a primary key from a table's field. If I use 'ALTER TABLE test drop key id;' it gives the following: ERROR: Incorrect table definition; there can be only one auto column and it must be defined as a key. Thanks for your help..

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• [Ruby on Rails] how to add a new entry with a multiple has_many association?

  - by siulamvictor

  I am not sure am I doing these correct. I have 3 models, Account, User, and Event. Account contains a group of Users. Each User have its own username and password for login, but they can access the same Account data under the same Account. Events is create by a User, which other Users in the same Account can also read or edit it. I created the following migrations and models. User migration class CreateUsers < ActiveRecord::Migration def self.up create_table :users do |t| t.integer :account_id t.string :username t.string :password t.timestamps end end def self.down drop_table :users end end Account migration class CreateAccounts < ActiveRecord::Migration def self.up create_table :accounts do |t| t.string :name t.timestamps end end def self.down drop_table :accounts end end Event migration class CreateEvents < ActiveRecord::Migration def self.up create_table :events do |t| t.integer :account_id t.integer :user_id t.string :name t.string :location t.timestamps end end def self.down drop_table :events end end Account model class Account < ActiveRecord::Base has_many :users has_many :events end User model class User < ActiveRecord::Base belongs_to :account end Event model class Event < ActiveRecord::Base belongs_to :account belongs_to :user end so.... Is this setting correct? Every time when a user create a new account, the system will ask for the user information, e.g. username and password. How can I add them into correct tables? How can I add a new event? I am sorry for such a long question. I am not very understand the rails way in handling such data structure. Thank you guys for answering me. :)

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• Specific path to java class file when embedded into HTML; Help urgent

  - by Jeevanism

  This is a resonant post to one of my other query due to an error with Java applet embedded into CMS pages. well, I tell issue:- Problem:- I have a website using Concrete 5 CMS, in which I have a page that I have embedded a Java applet class. This applet should show the system information which this applet is working fine in simple single HTML pages. now whenever I access my plugin Test page which created in Concrete 5 CMS (this page I embedded this java applet), it shows a Java error. The error is says incompatible Magic Number. Observation:- After a lot of searching through various tech forums, I finally found that, the issue is happened because the browser cannot load Java class file. The class file path location is wrong. Here below I post the log of server access when I test in my local machine. 127.0.0.1 - - [20/Dec/2012:12:59:28 +0800] "GET /linuxhouse/index.php/techlab/java/testvm.class HTTP/1.1" 200 1896 "-" "Mozilla/4.0 (Linux 2.6.37.6-0.9-desktop) Java/1.6.0_29" 127.0.0.1 - - [20/Dec/2012:12:59:29 +0800] "GET /linuxhouse/index.php/techlab/java/testvm.class HTTP/1.1" 200 1896 "-" "Mozilla/4.0 (Linux 2.6.37.6-0.9-desktop) Java/1.6.0_29" <<<<<<<<<<<<<<<<<<<<< Clearly, the path to Java class file is wrong. But I have no idea how to specify exact path in an embedded code. Is this a CMS specific issue. I have disabled Pretty URL feature of CMS. But still I cannot find the solution. here the referred Page that shows the java error. http://www.linux-house.net/v3/techlab/plugin pls pls give some insight..URGENT SOS

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• Alert Box Methods

  - by Vecta

  I just need a little advice on what may be the best method for handling my situation. I'm in need of placing three buttons in the sidebar of the website I maintain. The website is massive and hard to handle. Currently, it's all HTML files (there are over 10,000 of them believe it or not). We're transitioning to a database website so I don't want to make any sweeping changes that are site-wide, as they may just be scrapped in our re-design process in coming months. However, these buttons are for an application process. When you click on them, an alert box will need to pop up to give you a bit of information and they either allow you to cancel the action or proceed. The buttons are currently located in the left nav which is included on every page of the website. Would it be possible to accomplish this using JS or jQuery? I'd be unable to easily add scripts into the tags on all of the applicable pages, but I'd like to avoid the browser driven "http://www...Says: blah blah" message if possible. Any insight is greatly appreciated! Thank you!

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• Php header('Location") error

  - by Umeed

  I'm having some difficulty with my php coding. I have 3 files, add.php, lib.php, and view.php I created a simple form, and when the user clicks submit, it should direct them to the view.php where it will display the database. Now I'm having a couple issues I can't seem to resolve. when the user clicks submit and the fields are blank or there is an error no entry should be made into the view page (or database)...however when I click submit a blank entry is made into the database. ALSO if i click "enter product" from the top menu bar anytime I click it, it causes a blank entry into the database. I can't figure out why that's happening. My next issue is with the header('Location') and my browser says: "Warning: Cannot modify header information - headers already sent by (output started at lib.php:13) in add.php on line 16" However if I click submit on my form it goes away. Here is the code for the pages: http://ideone.com/Vvz8x I truly apologize if the code is really messy. Any help / advice / solution is greatly appreciated thank you. And yes this was an assignment---it was due last week but since I couldn't finish it, it's not worth any marks anymore.

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• Zend Framework How can I print a logged in user name from a Zend_Session_Namespace

  - by IrishStudent76

  Hi all I have created the following login controller for my site and it works fine in relation to logging users in a logging them out. The thing I want to do is echo the logged in users name into the FlashMessenger for the success page how ever as my code stands I only get the following message when redirected to the success page, "you have been successfully logged in as Array". Can I also ask the following does the line $session-user =$adaptergetResultArray('Password'); create an array of user information less the password value from the database. Many Thanks in advance, IrishStudent76 <?php class LoginController extends Zend_Controller_Action { public function init(){ $this->view->doctype('XHTML1_STRICT'); } // login action public function loginAction() { $form = new PetManager_Form_Login; $this->view->form = $form; /* check for valid input from the form and authenticate using adapter Add user record to session and redirect to the original request URL if present */ if ($this->getRequest()->isPost()) { if ($form->isValid($this->getRequest()->getPost())) { $values = $form->getValues(); $adapter = new PetManager_Auth_Adapter_Doctrine( $values['username'], $values['password'] ); $auth = Zend_Auth::getInstance(); $result = $auth->authenticate($adapter); if ($result->isValid()) { $session = new Zend_Session_Namespace('petmanager.auth'); $session->user = $adapter->getResultArray('Password'); if (isset($session->requestURL)) { $url = $session->requestURL; unset($session->requestURL); $this->_redirect($url); } else { $this->_helper->getHelper('FlashMessenger') ->addMessage('You have been successfully logged in as '.$session- >user); $this->_redirect('/login/success'); } } else { $this->view->message = 'You could not be logged in. Please try again.'; } } } } public function successAction() { if ($this->_helper->getHelper('FlashMessenger')->getMessages()) { $this->view->messages = $this->_helper ->getHelper('FlashMessenger') ->getMessages(); } else { $this->_redirect('/login'); } } public function logoutAction() { Zend_Auth::getInstance()->clearIdentity(); Zend_Session::destroy(); $this->_redirect('/'); } }

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• Strange PHP array behavior overwriting values with all the same values

  - by dasdas

  Im doing a simple mysqli query with code ive used many times before but have never had this problem happen to me. I am grabbing an entire table with an unknown number of columns (it changes often so i dont know the exact value, nor the column names). I have some code that uses metadata to grab everything and stick it in an array. This all works fine, but the output is messed up: $stmt -> execute(); //the query is legit, no problems there $meta = $stmt->result_metadata(); while ($field = $meta->fetch_field()) { $params[] = &$row[$field->name]; } call_user_func_array(array($stmt, 'bind_result'), $params); while ($stmt->fetch()) { $pvalues[++$i] = $row; //$pvalues is an array of arrays. row is an array //print_r($row); print_r($pvalues[$i-1]); } $stmt -> close(); I would assume that $pvalues has the results that I am looking for. My table currently has 2 rows. $pvalues has array length 2. Both rows in $pvalues are exactly the same. If i use the: print_r($row) it prints out the correct values for both rows, but if later on i check what is in $pvalues it is incorrect (1 row is assigned to both indices of $pvalues). If i use the print_r($pvalues[$i-1]) it prints exactly as I expect, the same row in the table twice. Why isnt the data getting assigned to $pvalues? I know $row holds the right information at one point, but it is getting overwritten or lost.

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• What is an efficient way to serve images (PHP)?

  - by Scarface

  Hey guys currently I am thinking of serving images using an image handler script. I have two sources of images. One is from my web images folder where images that are used to construct my site interface are served. The other is in each users images folder where they can store their own images. I was thinking of giving each user image a unique id and then searching that id with the image handler script and serving the image, and changing the file name. The problem is that my site images folder does not have any information in the database and thus has no ids, should I just serve directly? Also this way of serving user images does not seem like the most efficient. If anyone has any suggestions I would really appreciate it. $sql="SELECT username,file_name FROM images WHERE id=?"; $stmt=$conn->prepare($sql); $result=$stmt->execute(array($ID)); while($row = $stmt->fetch(PDO::FETCH_ASSOC)){ $image_name = $row['file_name']; $username = $row['username']; } $path="$username/images/$image_name"; header("Expires: -1"); header("Cache-Control: no-store, no-cache, must-revalidate"); header("Cache-Control: post-check=0, pre-check=0", false); readfile($path);

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• How do I show all group headers in Access 2007 reports?

  - by Newbie

  This is a question about Reports in Access 2007. I'm unsure whether the solution will involve any programming, but hopefully someone will be able to help me. I have a report which lists all records from a particular table (call it A), and groups them by their associated record in a related table (call it B). I use the 'group headers' to add the information from table-B into the report. The problem occurs when I filter the records from table-A that are shown in the report. If I filter out all table-A records that relate to a particular record (call it X) in table-B, the report no longer shows the record-X group header. As a possible workaround, I have tried to ensure that I have one empty record in table-A for each of the records in table-B. That way I can specify NOT to filter out these empty records. However, the outcome is ugly one-record-high blank spaces at the start of each group in the report. Does anyone know of an alternative solution?

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• how to create following Java applicatin? [on hold]

  - by Tushar Bichwe

  Write a JAVA program which performs the following listed operations: A. Create a package named MyEmpPackage which consists of following classes A class named Employee which stores information like the Emp number, first name, middle name, last name, address, designation and salary. The class should also contain appropriate get and set methods. 05 A class named AddEmployeeFrame which displays a frame consisting of appropriate controls to enter the details of a Employee and store these details in the Employee class object. The frame should also have three buttons with the caption as “Add Record” and “Delete Record” and “Exit”. 10 A class named MyCustomListener which should work as a user – defined event listener to handle required events as mentioned in following points. 05 B When the “Add Record” button is clicked, the dialog box should be appeared with asking the user “Do you really want to add record in the file”. If the user selects Yes than the record should be saved in the file. 10 When the “Exit” button is clicked, the frame should be closed. 10 [Note: Use the MyCustomListener class only to handle the appropriate events] C The “Delete Record” button should open a new frame which should take input of delete criteria using a radio button. The radio button should provide facility to delete on basis of first name, middle name or last name. 10 The new frame should also have a text box to input the delete criteria value. 10 The record should be deleted from the file and a message dialog should appear with the message that “Record is successfully Deleted”. 10 [Note: Use the MyCustomListener class only to handle the appropriate events] D Provide proper error messages and perform appropriate exceptions where ever required in all the classes 10

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• [Scala] Using overloaded, typed methods on a collection

  - by stephanos

  I'm quite new to Scala and struggling with the following: I have database objects (type of BaseDoc) and value objects (type of BaseVO). Now there are multiple convert methods (all called 'convert') that take an instance of an object and convert it to the other type accordingly. For example: def convert(doc: ClickDoc): ClickVO = doc match { case null => null case _ => val result = new ClickVO result.x = doc.x result.y = doc.y result } Now I sometimes need to convert a list of objects. How would I do this - I tried: def convert[D <: MyBaseDoc, V <: BaseVO](docs: List[D]):List[V] = docs match { case List() => List() case xs => xs.map(doc => convert(doc)) } Which results in 'overloaded method value convert with alternatives ...'. I tried to add manifest information to it, but couldn't make it work. I couldn't even create one method for each because it'd say that they have the same parameter type after type erasure (List). Ideas welcome!

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• How do you get and set a class property across multiple functions in Objective-C?

  - by editor

  Following up on this question about sharing objects between classes, I now need to figure out how to share the objects across various functions in a class. First, the setup: In my App Delegate I load menu information from JSON into a NSMutableDictionary and message that through to a view controller using a function called initWithData. I need to use this dictionary to populate a new Table View, which has methods like numberOfRowsInSection and cellForRowAtIndexPath. I'd like to use the dictionary count to return numberOfRowsInSection and info in the dictionary to populate each cell. Unfortunately, my code never gets beyond the init stage and the dictionary is empty so numberOfRowsInSection always returns zero. I thought I could create a class property, synthesize it and then set it. But it doesn't seem to want to retain the property's value. What am I doing wrong here? In the header .h: @interface FirstViewController:UIViewController <UITableViewDataSource, UITableViewDelegate, UITabBarControllerDelegate> { NSMutableDictionary *sectorDictionary; NSInteger sectorCount; } @property (nonatomic, retain) NSMutableDictionary *sectorDictionary; - (id)initWithData:(NSMutableDictionary*)data; @end in the implementation .m: - (id) testFunction:(NSMutableDictionary*)dictionary { NSLog(@"Count #1: %d", [dictionary count]); return nil; } - (id)initWithData:(NSMutableDictionary *)data { if (!(self=[super init])) { return nil; } [self testFunction:data]; // this is where I'd like to set a retained property self.sectorDictionary = data; return nil; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { NSLog(@"Count #2: %d", [self.sectorDictionary count]); return [self.sectorDictionary count]; } Output from NSLog: 2010-05-04 23:00:06.255 JSONApp[15890:207] Count #1: 9 2010-05-04 23:00:06.259 JSONApp[15890:207] Count #2: 0

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• Data Type Not Consistent In MS Access? (Set new field as "TEXT" but system treats it as "Yes/No" field)

  - by user3522506

  I already have an SQL command that will insert any string in the field. But it doesn't accept any string, giving me "No value given for one or more required parameters". But if my string is "Yes" or "No", it will update successfully. And in MS Access, will appear as 0 or -1 even though I set the field as text even in the beginning. Could there be any configuration I have made in my MS Access 2007? con = New OleDbConnection(cs) con.Open() Dim cb As String = "Update FS_Expenses set FS_Date=#" & dtpDate2.Text & "#,SupplierID='" & txtSupplierID.Text & "', TestField=" & Label1.Text & " where ID=" & txtID2.Text & "" cmd = New OleDbCommand(cb) cmd.Connection = con cmd.ExecuteReader() MessageBox.Show("Successfully updated!", "Record", MessageBoxButtons.OK, MessageBoxIcon.Information) con.Close() TestField is already a TEXT data type, Label1.Text value is "StringTest", will give the error. However, set Label1.Text value as = "Yes", SQL will execute successfully. Therefore, field must have not been saved as TEXT.

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• Trying to login to site with PHP & cURL?

  - by motionman95

  I've never done something like this before...I'm trying to log into swagbucks.com and get retrieve some information, but it's not working. Can someone tell me what's wrong with my script? <?php $pages = array('home' => 'http://swagbucks.com/?cmd=home', 'login' => 'http://swagbucks.com/?cmd=sb-login&from=/?cmd=home', 'schedule' => 'http://swagbucks.com/?cmd=sb-acct-account&display=2'); $ch = curl_init(); //Set options for curl session $options = array(CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; `rv:1.9.2) Gecko/20100115 Firefox/3.6',` CURLOPT_HEADER => TRUE, //CURLOPT_RETURNTRANSFER => TRUE, CURLOPT_COOKIEFILE => 'cookie.txt', CURLOPT_COOKIEJAR => 'cookies.txt'); //Hit home page for session cookie $options[CURLOPT_URL] = $pages['home']; curl_setopt_array($ch, $options); curl_exec($ch); //Login $options[CURLOPT_URL] = $pages['login']; $options[CURLOPT_POST] = TRUE; $options[CURLOPT_POSTFIELDS] = '[email protected]&pswd=jblake&persist=on'; $options[CURLOPT_FOLLOWLOCATION] = FALSE; curl_setopt_array($ch, $options); curl_exec($ch); //Hit schedule page $options[CURLOPT_URL] = $pages['schedule']; curl_setopt_array($ch, $options); $schedule = curl_exec($ch); //Output schedule echo $schedule; //Close curl session curl_close($ch); ?> But it still doesn't log me in. What's wrong?

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• Reading a directory

  - by paleman

  Hi, I'm trying to solve exercise from K&R, it's about reading directories.This task is system dependent because it uses system calls.In the book example authors say that their example is written for Version 7 and System V UNIX systems and that they used the directory information in the header < sys/dir.h,which looks like this: #ifndef DIRSIZ #define DIRSIZ 14 #endif struct direct { /* directory entry */ ino_t d_ino; /* inode number */ char d_name[DIRSIZ]; /* long name does not have '\0' */ }; On this system they use 'struct direct' combined with 'read' function to retrieve a directory entry, which consist of file name and inode number. ..... struct direct dirbuf; /* local directory structure */ while(read(dp->fd, (char *) &dirbuf, sizeof(dirbuf) == sizeof(dirbuf) { ..... } ..... I suppose this works fine on UNIX and Linux systems, but what I want to do is modify this so it works on Windows XP. Is there some structure in Windows like 'struct direct' so I can use it with 'read' function and if there is what is the header name where it is defined? Or maybe Windows requires completely different approach?

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• STL in C++ how does it work

  - by helloWorld

  I have very technical question, I was working with C, and now I'm studying C++, if I have for example this class class Team { private: list<Player> listOfPlayers; public: void addPlayer(string firstName, string lastName, int id) { Player newPlayer(string firstName, string lastName, int id); listOfPlayers.push_back(Player(string firstName, string lastName, int id)); } } this is a declaration of the Player: class Player{ private: string strLastName; string strFirstName; int nID; public: Player(string firstName, string lastName, int id); } and this is my constructor of Player: Player::Player(string firstName, string lastName, int id){ nId = id; string strFirstName = firstName; string strLastName = lastName; } so my question is when I call function addPlayer what exactly is going on with program, in my constructor of Account do I need to allocate new memory for new Account(cause in C I always use malloc) for strFirstName and strLastName, or constructor of string of Account and STL do it without me, thanks in advance (if you don't want to answer my question please at least give me some link with information) thanks in advance

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• Why does this while terminate before receiving a value? (java)

  - by David

  Here's the relevant code snippet. public static Territory[] assignTerri (Territory[] board, String[] colors) { for (int i = 0; i<board.length; i++) { // so a problem is that Territory.translate is void fix this. System.out.print ("What team controls ") ; Territory.translate (i) ; System.out.println (" ?") ; boolean a = false ; while (a = false) { String s = getIns () ; if ((checkColor (s, colors))) { board[i].team = (returnIndex (s, colors)) ; a =true ; } else System.out.println ("error try again") ; } System.out.print ("How many unites are on ") ; Territory.translate (i) ; System.out.println (" ?") ; int n = getInt () ; board[i].population = n ; } return board ; } As an additional piece of information, checkColor just checks to make sure that its first argument, a string, is a string in one of the indexes of its second argument, an array. It seems to me that when the while the method gets a string from the keyboard and then only if that string checks out is a true and the while allowed to terminate. The output I get though is this: What team controls Alaska ? How many unites are on Alaska ? (there is space at the end to type in an input) This would seem to suggest that the while terminates before an input is ever typed in since the first line of text is within the while while the second line of text comes after it outside of it. Why is this happening?

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• DB Strategy for inserting into a high read table (Sql Server)

  - by Tom

  Looking for strategies for a very large table with data maintained for reporting and historical purposes, a very small subset of that data is used in daily operations. Background: We have Visitor and Visits tables which are continuously updated by our consumer facing site. These tables contain information on every visit and visitor, including bots and crawlers, direct traffic that does not result in a conversion, etc. Our back end site allows management of the visitor's (leads) from the front end site. Most of the management occurs on a small subset of our visitors (visitors that become leads). The vast majority of the data in our visitor and visit tables is maintained only for a much smaller subset of user activity (basically reporting type functionality). This is NOT an indexing problem, we have done all we can with indexing and keeping our indexes clean, small, and not fragmented. ps: We do not currently have the budget or expertise for a data warehouse. The problem: We would like the system to be more responsive to our end users when they are querying, for instance, the list of their assigned leads. Currently the query is against a huge data set of mostly irrelevant data. I am pondering a few ideas. One involves new tables and a fairly major re-architecture, I'm not asking for help on that. The other involves creating redundant data, (for instance a Visitor_Archive and a Visitor_Small table) where the larger visitor and visit tables exist for inserts and history/reporting, the smaller visitor1 table would exist for managing leads, sending lead an email, need leads phone number, need my list of leads, etc.. The reason I am reaching out is that I would love opinions on the best way to keep the Visitor_Archive and the Visitor_Small tables in sync... Replication? Can I use replication to replicate only data with a certain column value (FooID = x) Any other strategies?

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• Why does this while terminate before recieving a value? (java)

  - by David

  here's the relevant code snippet. public static Territory[] assignTerri (Territory[] board, String[] colors) { for (int i = 0; i<board.length; i++) { // so a problem is that Territory.translate is void fix this. System.out.print ("What team controls ") ; Territory.translate (i) ; System.out.println (" ?") ; boolean a = false ; while (a = false) { String s = getIns () ; if ((checkColor (s, colors))) { board[i].team = (returnIndex (s, colors)) ; a =true ; } else System.out.println ("error try again") ; } System.out.print ("How many unites are on ") ; Territory.translate (i) ; System.out.println (" ?") ; int n = getInt () ; board[i].population = n ; } return board ; } as an additional piece of information, checkColor just checks to make sure that its first argument, a string, is a string in one of the indexes of its second argument, an array. it seems to me that when the while the method gets a string from the keyboard and then only if that string checks out is a true and the while allowed to terminate. The output i get though is this: What team controls Alaska ? How many unites are on Alaska ? (there is space at the end to type in an input) This would seem to suggest that the while terminates before an input is ever typed in since the first line of text is within the while while the second line of text comes after it outside of it. why is this happening?

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