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  • Free service that allows storing game data online?

    - by StackedCrooked
    I have created a small game in Java and I would like to add the ability for a player to publish his highscores online. I'm willing to write the server software myself (it's easy these days with Ruby Mongrel, or even C++). All I just need to have some sort hosting. One solution that immediately comes to mind is Amazon EC2. But that's kind of expensive for my needs. Since the requirements are very minimal (I don't even need a website, just a web service) I think there may be a cheaper solution out there. Does anyone know of a free or cheap provider for this kind of thing?

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  • Safest python code running

    - by Oduvan
    How can I protect my web server, if I run custom users code on server. If any user can submit his python source on my server and run it. Maybe some modules or linux tools for close any network and hardware activity for this script. Thank's all for help!

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  • Fastest way for inserting very large number of records into a Table in SQL

    - by Irchi
    The problem is, we have a huge number of records (more than a million) to be inserted into a single table from a Java application. The records are created by the Java code, it's not a move from another table, so INSERT/SELECT won't help. Currently, my bottleneck is the INSERT statements. I'm using PreparedStatement to speed-up the process, but I can't get more than 50 recods per second on a normal server. The table is not complicated at all, and there are no indexes defined on it. The process takes too long, and the time it takes will make problems. What can I do to get the maximum speed (INSERT per second) possible? Database: MS SQL 2008. Application: Java-based, using Microsoft JDBC driver.

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  • pagination using php with mysql data

    - by pradeep
    i am trying to create a pagination in which there are 5 items at a time depending on the number of items in DB. i wrote this code . but i dono how to go further .its buggy..any better pagination or alteration for this <?php $myresult .= "<div class='pagination' >"; if ($pagenum == 1) { } else { $pagenum = 1; $myresult .= "<a href='javascript:newPage(\"".$pagenum."\")'>&nbsp;first&nbsp;</a>"; $myresult .= " "; $previous = $pagenum-1; $myresult .= "<a href='javascript:newPage(\"".$previous."\")'> &nbsp;Prev&nbsp;</a>"; if ($pagenum == $last) { $previous3 = $pagenum-4; $myresult .= "<a href='javascript:newPage(\"".$previous3."\")'> &nbsp; $previous3 &nbsp;</a>"; $previous2 = $pagenum-3; $myresult .= "<a href='javascript:newPage(\"".$previous2."\")'> &nbsp; $previous2 &nbsp;</a>"; } if ($pagenum > 2) { $previous1 = $pagenum-2; $myresult .= "<a href='javascript:newPage(\"".$previous1."\")'> &nbsp; $previous1 &nbsp;</a>"; } if ($pagenum > 1) { $previous2 = $pagenum-1; $myresult .= "<a href='javascript:newPage(\"".$previous2."\")'> &nbsp; $previous2 &nbsp;</a>"; $myresult .= " "; } } $myresult .= "<span class=\"disabled\"> $pagenum </span>"; if ($pagenum == $last) { } else { if($pagenum < $last - 1) { $next = $pagenum+1; $myresult .= "<a href='javascript:newPage(\"".$next."\")'>&nbsp; $next &nbsp;</a>"; } if($pagenum < $last - 2) { $next1 = $pagenum+2; $myresult .= "<a href='javascript:newPage(\"".$next1."\")'> &nbsp; $next1 &nbsp;</a>"; } if($pagenum == 1 ) { $next2 = $pagenum+3; $myresult .= "<a href='javascript:newPage(\"".$next2."\")'> &nbsp; $next2 &nbsp;</a>"; $next3 = $pagenum+4; $myresult .= "<a href='javascript:newPage(\"".$next3."\")'> &nbsp; $next3 &nbsp;</a>"; } if($pagenum == 2 ) { $next2 = $pagenum+3; $myresult .= "<a href='javascript:newPage(\"".$next2."\")'> &nbsp; $next2 &nbsp;</a>"; } $next = $pagenum+1; $myresult .= "<a href='javascript:newPage(\"".$next."\")'>&nbsp;Next&nbsp;</a>"; $myresult .= "<a href='javascript:newPage(\"".$last."\")'>&nbsp;Last</a>"; } $myresult .= "</div>"; $myresult .= "</br>"; ?>

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  • ASP.NET - How to edit 'bit' data type?

    - by Peter
    I am coding in Visual Basic. I am using a checkbox control. Now depending on its checked property I need to set/unset a bit column in a SQL Server database. Here's the code: Try conSQL.Open() Dim cmd As New SqlCommand("update Student set send_mail = " + _ sendemailCheckBox.Checked.ToString + " where student_id = '" _ + sidnolabel.Text + "'", conSQL) cmd.ExecuteNonQuery() Finally conSQL.Close() End Try The send_mail attribute is of bit datatype. This code is not working. How do I go about it?

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  • Python change the working directory for an exe opened with startfile

    - by Saulpila
    In python i'm using the os.startfile command to start a windows executable that does especific stuff in its own folder, the python code is running from another folder, so when I start the file, it starts in the python script's working directory, but it has to start in its own directory. I've tried to use os.chdir(path) to change the working directory, but it fails, the file still not runs in it's own folder. I thought maybe there is a command like shortcut's "Start in" line. I've searched everywere, but not success. The only solution comes to my mind is to create a shortcut and add the "start in" line, then launch the shortcut, but that is very impractical.

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  • Passing Data to Multi Threads

    - by alaamh
    I study this code from some book: #include <pthread.h> #include <stdio.h> /* Parameters to print_function. */ struct char_print_parms { /* The character to print. */ char character; /* The number of times to print it. */ int count; }; /* Prints a number of characters to stderr, as given by PARAMETERS, which is a pointer to a struct char_print_parms. */ void* char_print(void* parameters) { /* Cast the cookie pointer to the right type. */ struct char_print_parms* p = (struct char_print_parms*) parameters; int i; for (i = 0; i < p->count; ++i) fputc(p->character, stderr); return NULL; } /* The main program. */ int main() { pthread_t thread1_id; pthread_t thread2_id; struct char_print_parms thread1_args; struct char_print_parms thread2_args; /* Create a new thread to print 30,000 ’x’s. */ thread1_args.character = 'x'; thread1_args.count = 30000; pthread_create(&thread1_id, NULL, &char_print, &thread1_args); /* Create a new thread to print 20,000 o’s. */ thread2_args.character = 'o'; thread2_args.count = 20000; pthread_create(&thread2_id, NULL, &char_print, &thread2_args); usleep(20); return 0; } after running this code, I see different result each time. and some time corrupted result. what is wrong and what the correct way to do that?

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  • ActionScript Binding Array Data?

    - by TheDarkIn1978
    i would like to update the numbers i've added to an array from variables, when those variables change. is it possible change these variables and have the array update automatically? var first:Number = 1; var second:Number = 2; var myArray:Array = new Array(first, second); first = 3; second = 4; trace(myArray) //outputs 1,2

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  • ORM Against a Service-Wrapped Data Source

    - by blaster
    We are tasked with migrating an existing set of entities (currently POCOs persisted with NHibernate against an MSSQL database) to now persist to some kind of web service (yet to be built, either RESTful or SOAP-based, and that we control). I like how NHibernate encapsulates the persistence concerns and lets us maintain a logic-rich, persistence-agnostic domain model. Is there any way to make NHibernate talk to a web service at the back end instead of a SQL database directly? In other words, can "service instead of SQL database" be treated as a persistence implementation detail and allow us to continue to use NHibernate? Am I asking the right question? :)

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  • C#: Passing data to forms UI using BeginInvoke

    - by Bi
    Hi I am a C# newbie and have a class that needs to pass row information to a grid in the windows form. What is the best way to do it? I have put in some example code for better understanding. Thanks. public class GUIController { private My_Main myWindow; public GUIController( My_Main window ) { myWindow = window; } public void UpdateProducts( List<myProduct> newList ) { object[] row = new object[3]; foreach (myProduct product in newList) { row[0] = product.Name; row[1] = product.Status; row[2] = product.Day; //HOW DO I USE BeginInvoke HERE? } } } And the form class below: public class My_Main : Form { //HOW DO I GO ABOUT USING THIS DELEGATE? public delegate void ProductDelegate( string[] row ); public static My_Main theWindow = null; static void Main( ) { Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); theWindow = new My_Main(); Application.Run(theWindow); } private void My_Main_Load( object sender, EventArgs e ) { /// Create GUIController and pass the window object gui = new GUIController( this ); } public void PopulateGrid( string[] row ) { ProductsGrid.Rows.Add(row); ProductsGrid.Update(); } } Thanks!

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  • Passing User Data with SetTimer

    - by GJ
    I am calling SetTimer in a function of a Class. SetTimer(NULL, 0, 10000, (TIMERPROC) TimerCallBack); Where TimerCallBack is: static VOID CALLBACK TimerCallBack(HWND, UINT, UINT, DWORD) Now my need is to call one of the method of class which initiated timer, since TimerCallBack is static it has no access to the class object anymore. I cant find any way to pass object pointer along with the SetTimer so that I can receive it back on Callback function. Is there any other way to achieve this, if its not supported using SetTimer then which other way I can implement this.

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  • Selecting data effectively sql

    - by learner135
    Hi, I have a very large table with over 1000 records and 200 columns. When I try to retreive records matching some criteria in the WHERE clause using SELECT statement it takes a lot of time. But most of the time I just want to select a single record that matches the criteria in the WHERE clause rather than all the records. I guess there should be a way to select just a single record and exit which would minimize the retrieval time. I tried ROWNUM=1 in the WHERE clause but it didn't really work cause I guess the engine still checks all the records even after finding the first record matching the WHERE criteria. Is there a way to optimize in case if I want to select just a few records? Thanks in advance. Edit: I am using oracle 10g.

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  • Replace html element with data in javascript

    - by Ultimate
    I trying to auto increment the serial number when row increases and automatically readjust the numbering order when a row gets deleted in javascript. For that I am using the following clone method for doing my task. Rest of the thing is working correct except its not increasing the srno because its creating the clone of it. Following is my code for this: function addCloneRow(obj) { if(obj) { var tBody = obj.parentNode.parentNode.parentNode; var trTable = tBody.getElementsByTagName("tr")[1]; var trClone = trTable.cloneNode(true); if(trClone) { var txt = trClone.getElementsByTagName("input"); var srno = trClone.getElementsByTagName("span"); var dd = trClone.getElementsByTagName("select"); text = tBody.getElementsByTagName("tr").length; alert(text) //here i am getting the srno in increasing order //I tried something like following but not working //var ele = srno.replace(document.createElement("h1"), srno); //alert(ele); for(var i=0; i<dd.length; i++) { dd[i].options[0].selected=true; var nm = dd[i].name; var nNm = nm.substring((nm.indexOf("_")+1),nm.indexOf("[")); dd[i].name = nNm+"[]"; } for(var j=0; j<txt.length; j++) { var nm = txt[j].name; var nNm = nm.substring((nm.indexOf("_")+1),nm.indexOf("[")); txt[j].name = nNm+"[]"; if(txt[j].type == "hidden"){ txt[j].value = "0"; }else if(txt[j].type == "text") { txt[j].value = ""; }else if(txt[j].type == "checkbox") { txt[j].checked = false; } } for(var j=0; j<txt.length; j++) { var nm = txt[j].name; var nNm = nm.substring((nm.indexOf("_")+1),nm.indexOf("[")); txt[j].name = nNm+"[]"; if(txt[j].type == "hidden"){ txt[j].value = "0"; }else if(txt[j].type == "text") { txt[j].value = ""; }else if(txt[j].type == "checkbox") { txt[j].checked = false; } } tBody.insertBefore(trClone,tBody.childNodes[1]); } } } Following is my html : <table id="step_details" style="display:none;"> <tr> <th width="5">#</th> <th width="45%">Step details</th> <th>Expected Results</th> <th width="25">Execution</th> <th><img src="gui/themes/default/images/ico_add.gif" onclick="addCloneRow(this);"/></th> </tr> <tr> <td><span>1</span></td> <td><textArea name="step_details[]"></textArea></td> <td><textArea name="expected_results[]"></textArea></td> <td><select onchange="content_modified = true" name="exec_type[]"> <option selected="selected" value="1" label="Manual">Manual</option> <option value="2" label="Automated">Automated</option> </select> </td> <td><img src="gui/themes/default/images/ico_del.gif" onclick="removeCloneRow(this);"/></td> </tr> </table> I want to change the srno. of span element dynamically after increment and decrement on it. Need help thanks

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  • What tool to use to draw file tree diagram

    - by Michael
    Given a file tree - a directory with directories in it etc, what software would you recommend to create a diagram of the file-tree as a graphic file that I can embed in a word processor document I prefer vector (SVG, EPS, EMF...) files. The tool must run on Windows, but preferably cross-platform. The tool may be commercial but preferably free.

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  • Redirect to prevent dup submission...but then you loose existing data

    - by coffeeaddict
    Here's the scenario User is on your checkout.aspx page Somewhere in the process, when clicking the pay button, you redirect the user to an intermediate page (before the confirmation page) to do some other logic. That intermediate page performs whatever logic based on a querystring flag you sent with the redirect from the checkout page This intermediate page also serves as an error page. So if any logic in the intermediatePage.aspx.cs fails I'm setting a message to be displayed on this page to the user If I refresh, that querystring value is still in the url..hence when it hits my Page_Load again, then the server-side logic is called & run again and I don't want this to happen The avoid this behavior/problem, the logical next step is to do a redirect back to the same page if they refresh (not sure how you'd catch that) to get rid of that querystring But when you redirect back to the same page your error message is gone, lost in the redirect therefore you end up showing them the same page but all values for the error message are now gone I do not want to solve this with Javascript either. I am not sure the best way to handle this.

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  • REST services - exposing non-data "actions"

    - by ctacke
    I understand how to use REST for doing general entity interactions - using urls names to map to entities and the HTTP verbs to map to actions on those entities. But what is the generally accepted way of looking at "actions" more like RPC? For example, let's say I want to send a command for the device to reset? There's no real "entity" here or do I do something like POST to http://mydevice/device/reset?

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  • Reverse Data With BIT TYPE for MS SQL

    - by Milacay
    I have a column using a BIT type (1/0). I have some records are set to 1 and some are set to 0. Those are record flag needs to be reversed. So basically, I want all records with 1 set 0, and all records with 0 set to 1. If I run "Update Table1 Set Flag = 1 Where Flag = 0" first, then I am afraid all record flags will be 1 now, and will not able to know which ones are flag = 0. any suggestions, Thanks!

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  • How can I visually format JSON data (programmatically)?

    - by Ian Robinson
    I'm working with big blobs of JSON. These blobs change slightly over time and a revision history is kept. I'd really like to be able to do a visual diff on them, but my problem is they're being stored without any formatting at all - everything is on one line, so that makes it a little hard to see what changed. Is there a good way to programatically format them ala http://jsonformat.com/ or http://jsonformatter.curiousconcept.com/?

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  • Data mixing SQL Server

    - by Pythonizo
    I have three tables and a range of two dates: Services ServicesClients ServicesClientsDone @StartDate @EndDate Services: ID | Name 1 | Supervisor 2 | Monitor 3 | Manufacturer ServicesClients: IDServiceClient | IDClient | IDService 1 | 1 | 1 2 | 1 | 2 3 | 2 | 2 4 | 2 | 3 ServicesClientsDone: IDServiceClient | Period 1 | 201208 3 | 201210 Period = YYYYMM I need to insert into ServicesClientsDone the months range from @StartDate up @EndDate. I have also a temporary table (#Periods) with the following list: Period 201208 201209 201210 The query I need is to give me back the following list: IDServiceClient | Period 1 | 201209 1 | 201210 2 | 201208 2 | 201209 2 | 201210 3 | 201208 3 | 201209 4 | 201208 4 | 201209 4 | 201210 Which are client services but the ranks of the temporary table, not those who are already inserted This is what i have: Table periods: DECLARE @i int DECLARE @mm int DECLARE @yyyy int, DECLARE @StartDate datetime DECLARE @EndDate datetime set @EndDate = (SELECT GETDATE()) set @StartDate = (SELECT DATEADD(MONTH, -3,GETDATE())) CREATE TABLE #Periods (Period int) set @i = 0 WHILE @i <= DATEDIFF(MONTH, @StartDate , @EndDate ) BEGIN SET @mm= DATEPART(MONTH, DATEADD(MONTH, @i, @FechaInicio)) SET @yyyy= DATEPART(YEAR, DATEADD(MONTH, @i, @FechaInicio)) INSERT INTO #Periods (Period) VALUES (CAST(@yyyy as varchar(4)) + RIGHT('00'+CONVERT(varchar(6), @mm), 2)) SET @i = @i + 1; END Relation between ServicesClients and Services: SELECT s.Name, sc.IDClient FROM Services JOIN ServicesClients AS sc ON sc.IDService = s.ID Services already done and when: SELECT s.Name, scd.Period FROM Services JOIN ServicesClients AS sc ON sc.IDService = s.ID JOIN ServicesClientsDone AS scd ON scd.IDServiceClient = sc.IDServiceClient

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