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  • node.js: encrypting data that needs to be decrypted?

    - by fancy
    We are using bcrypt for passwords and data that never needs to be decrypted. What should do to protect other user information that does. For this example lets say that we didn't want a users real name to be in plain text in case someone was to obtain the db. This is somewhat sensitive data but also needs to be called from time to time and displayed in plain text. Is there a simple way to do this?

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  • dynamic meta data and description for pages

    - by pradeep
    Hi, I am developing pages in php dynamically i.e data gets filled up from mysql DB. how do i assign a proper meta data and description for these dynamic pages so that google recognises it properly. What needs to be passed in page so that google takes description properly. when i search a page in google. it takes the data in page as description not description tag contents

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  • question about timestamp with timezone in postgresql+java?

    - by ylazez
    hey guys i have a column in the database(postgresql) i want to insert the current time in GMT in this column when getting the current time and inserting it into the DB it's inserted in the server timezone GMT-5 although that time was in GMT+0 any ideas how to insert this time in the database in GMT timezone ?

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  • C#:Photo matching

    - by Meko
    Hi.I created app that searches via blue tooth mac addresses and compare match them with data base. But I want to try not matching Mac Addresses , I want to make it like taking photo and matching with in database. For this what should I do? Where to start? I have an DB that includes all value for students with an Mac addresses I thing instead of Mac addresses I will add only photos.But Matching Two photo is hard way?It don`t have to be like FBI using :)

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  • Hive performance increase

    - by Sagar Nikam
    I am dealing with a database (2.5 GB) having some tables only 40 row to some having 9 million rows data. when I am doing any query for large table it takes more time. I want results in less time small query on table which have 90 rows only-- hive> select count(*) from cidade; Time taken: 50.172 seconds hdfs-site.xml <configuration> <property> <name>dfs.replication</name> <value>3</value> <description>Default block replication. The actual number of replications can be specified when the file is created. The default is used if replication is not specified in create time. </description> </property> <property> <name>dfs.block.size</name> <value>131072</value> <description>Default block replication. The actual number of replications can be specified when the file is created. The default is used if replication is not specified in create time. </description> </property> </configuration> does these setting affects performance of hive? dfs.replication=3 dfs.block.size=131072 can i set it from hive prompt as hive>set dfs.replication=5 Is this value remains for a perticular session only ? or Is it better to change it in .xml file ?

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  • MVC architecture EJB funcionallity

    - by Ignacio
    HI would like to understand how do ejbs work in an MVC architecture, what i do not get is: When the web app starts, the system creates an ejb for each record in every table of db or an ejb with all the records of all tables? Thank you very much

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  • Take a string to a byte[]

    - by Vaccano
    I have a string in my database that represents an image. It looks like this: 0x89504E470D0A1A0A0000000D49484452000000F00000014008020000000D8A66040.... <truncated for brevity> When I load it in from the database it comes in as a byte[]. How can I convert the string value to a byte array myself. (I am trying to remove the db for some testing code.)

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  • SSIS Data Transformation

    - by bbbbb
    Hi, I am new to SSIS, so please bare with me. I am trying to transfer data from one db to a new one. i am fetching data from one table say i fetch name of person, then i insert this into say Table Person. this will generate a personID which i want to insert into say Address Table. What should be the approach using SSIS. Any suggestions.

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  • Javascript serialization

    - by John
    Have I any chance to serialize meta (any format, so I can store it in DB)? var obj1 = {}; var obj2 = {}; obj1.link = obj2; obj2.link = obj1; var meta = [obj1, obj2]; As I understand the problem is that JSON serialize object`s links to objects.

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  • DataBind DataSource Result to ASP Labels

    - by Steven
    I have an AccessDataSource TestSummaryADS. I can easily view the results in a GridView or DropDownList by setting its DataSourceID property. How do I bind a value from the results TestSummaryADS to the text of a label? I'm just trying to populate labels on my page with results from the DB entry. C# or VB.NET answers okay.

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  • UnknownHostException in java (that too only sometimes)

    - by Nitesh Panchal
    Hello, I am trying to read rss feed of Yahoo but i am unable to make it work properly. The code is absolutely correct , i am sure about it. It works sometimes but sometimes i get UnknownHostException. What can be the reason? Is there some problem with my internet or something else? This is my code :- public List<RssFeed> getRssFeed() { try { List<RssFeed> objList = new ArrayList<RssFeed>(); DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); DocumentBuilder db = dbf.newDocumentBuilder(); Document doc = db.parse("http://rss.news.yahoo.com/rss/india"); //doc.getDocumentElement().normalize(); Element docElement = doc.getDocumentElement(); NodeList objChannelList = docElement.getChildNodes(); for (int intIndex = 0; intIndex < objChannelList.getLength(); intIndex++) { if (objChannelList.item(intIndex).getNodeType() == Node.ELEMENT_NODE) { Element elemItem = (Element) objChannelList.item(intIndex); NodeList itemList = elemItem.getElementsByTagName("item"); //show only 3 news int count = itemList.getLength() > 3 ? 3 : objChannelList.getLength(); for (int intSubIndex = 0; intSubIndex < count; intSubIndex++) { NodeList itemDetailList = itemList.item(intSubIndex).getChildNodes(); String strTitle = ((Node) itemDetailList.item(RSS_VALUES.TITLE.getValue())).getFirstChild().getNodeValue(); String strdescription = ((Node) itemDetailList.item(RSS_VALUES.DESCRIPTION.getValue())).getFirstChild().getNodeValue(); String strLink = ((Node) itemDetailList.item(RSS_VALUES.LINK.getValue())).getFirstChild().getNodeValue(); //System.out.println(strTitle + "\n" + strdescription + "\n" + strLink + "\n\n\n\n"); objList.add(new RssFeed(strTitle, strdescription, strLink)); } } } return objList; } catch (SAXException ex) { Logger.getLogger(Utils.class.getName()).log(Level.SEVERE, null, ex); } catch (IOException ex) { Logger.getLogger(Utils.class.getName()).log(Level.SEVERE, null, ex); } catch (ParserConfigurationException ex) { Logger.getLogger(Utils.class.getName()).log(Level.SEVERE, null, ex); } return null; } Thanks in advance :). This problem has been bugging me since 1 month. Don't know why does Java in this case behave as per its mood :(

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  • Business object and linq2SQL

    - by Overdose
    What is the optimal way to write the code which interacts with DB using linq2SQL? I need to add some business logic to the entities. So I guess there are two ways: Write some wrapper class. The main minus is that many fields are the same, so i don't feel it as DRY style. Add business logic methods to linq2sql entities(these classes are partial) directly ???

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  • Access different columns from LINQ resultset

    - by Piyush
    I have a query which returns multiple columns from the database using LINQ var donors = from d2 in db.Donors where d2.Status == "Pending" select new { donorID = d2.donorID, bloodGroup = d2.bloodGroup, contactNo = d2.contactMobile, status = d2.Status }; now I want to display the results in different Labels accessing one column value from donors resultset. ex: Label1.Text = donorID; Label2.Text = bloodGroup; ...and so on please help me achieve this.

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  • How to close the connection after set Transation to Nothing or Commit/Rollback

    - by user1957271
    I develop the DAL class for db operation Public Sub StartTransaction() Dim objConnection As SqlConnection = EstablishConnection() objConnection.Open() Me.Transaction = objConnection.BeginTransaction() End Sub Public Sub CommitTransaction() Me.Transaction.Commit() End Sub Public Sub RollBackTransaction() Me.Transaction.Rollback() End Sub after start the transaction when we commit or rollback and set transaction object to nothing it dont close the connection attach with this transaction how I close the Connection attach to this transaction???

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  • SQL running slow when i executes thru java

    - by user270885
    I am trying to execute a query in oracle db. When i try to run thru SQLTools the query is executing in 2 seconds and when i run the same query thru JAVA it is exectuting in more than a minute. I am using a hint /*+ordered use_nl (a, b)*/ I am using ojdbc6.jar Is it because of any JARS? Please help whats causing this?

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  • Most efficient way to move a few SQL Server tables to SQLite?

    - by wom
    I have a fairly large SQL Server database; I'd like to pull 4 tables out and dump them directly into an sqlite.db for remote querying (via nightly batch). I was about to write a script to step through(most likely on a unix host kicked off via cron); but there should be a simpler method to export the tables directly (SQLite not an option in the included DTS Import/Export wizard) What would the most efficient method of dumping the SQL Server tables to SQLite via batch be?

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  • Sending arbitrarily long string over Java TCP socket

    - by bibismcbryde
    I have an Android app that communicates over a TCP socket with a server I wrote. The method I'm using now to read and write output works fine for smaller strings (up to 60kB) but I get an exception thrown when the string is much longer than that. Here is the relevant part of what I have for the server and client: Server: DataInputStream dis = null; DataOutputStream dos = null; try { dis = new DataInputStream(server.getInputStream()); dos = new DataOutputStream(server.getOutputStream()); String input = ""; input = dis.readUTF(); handle_input info = new handle_input(input, id); String xml = info.handle(); dos.writeUTF(xml); server.close(); } Client: Socket socket = null; DataOutputStream dos = null; DataInputStream dis = null; Boolean result; try { socket = new Socket(ip, port); dos = new DataOutputStream(socket.getOutputStream()); dis = new DataInputStream(socket.getInputStream()); dos.writeUTF(the_text); String in = ""; while (in.equals("")) { in += dis.readUTF(); } } How can I modify it to deal with potentially enormous Strings? I've been looking around and can't seem to find a clear answer. Thanks.

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  • Migrating Application Configuration from Windows Registry to SQLite

    - by baris_a
    Currently, I am working on the migration mentioned in the title line. Problem is application configuration that is kept in registry has a tree like structure, for example: X |->Y |->Z |->SomeKey someValue W |->AnotherKey anotherValue and so on. How can I model this structure in SQLite (or any other DB)? If you have experience in similar problems, please send posts. Thanks in advance.

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  • How to get the duration of the video uploaded ?

    - by Holicreature
    i'm using ffmpeg to convert videos to desired formats and to generate the thumbnails.. I want to find the total duration of the video to display in the main page along with the thumbnails.. Can i use ffmpeg to find the duration when its being uploaded and store them on the database.? Is storing the duration in db is necessary or else is there any other method?

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