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  • What is best approach for connection pooling?

    - by Bhushan
    I am implementing connection pooling in project. Performance wise which is better approach to do it? Hibernate (using C3PO or DBCP) Configuring JDBC data-source in Application server. Application server Portability is not an important factor for me. Please suggest the approach.

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  • Setting Quercus db connection encoding to UTF-8 (urgent problem and need your great help)

    - by sokcmss
    Now we are going to use java class in my website developed with PHP + mySQL. I came to know Quercus and it worked well. But only problem is encoding. Quercus is providing ISO8859 encoding in default and all database in UTF-8 is not shown properly like ???. If anybody know the way to set Quercus db connection encoding to UTF-8, please help me. Look forward to hearing good news urgently.

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  • Http Connection in Android

    - by remish
    hello folks, i am new to android... I want to connect with server .Like i want to sent data and recieve data from server through Http Connection.. Can anyone help me how to do this. Can anyone provide me the sample of both side-client as well as server side. Thanks in advance...

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  • SQL Server 2008 R2 connection string

    - by user525717
    HI people. I had SQL Server 2005 on Windows XP 32bit and just used this connection string Server=.\SQLEXPRESS;database=GroupALD; Integrated Security=True" Now I have Windows 7 64bit and SQL Server 2008 R2 I'm trying to connect database with same string but its shows this error Cannot open database "GroupALD" requested by the login. The login failed. Login failed for user 'lester\les'. Can somebody help me? I'm using C# and Winforms

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  • NHibernate + Sql Compact + IoC - Connection Managment

    - by Michael
    When working with NHibernate and Sql Compact in a Windows Form application I am wondering what is the best practice for managing connections. With SQL CE I have read that you should keep your connection open vs closing it as one would typically do with standard SQL. If that is the case and your using a IoC, would you make your repositories lifetime be singletons so they exist forever or dispose of them after you perform a "Unit of Work". Also is there a way to determine the number of connections open to Sql CE?

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  • Java Socket Connection is flooding network OR resulting in high ping

    - by user1461100
    i have a little problem with my java socket code. I'm writing an android client application which is sending data to a java multithreaded socket server on my pc through direct(!) wireless connection. It works fine but i want to improve it for mobile applications as it is very power consuming by now. When i remove two special lines in my code, the cpu usage of my mobile device (htc one x) is totally okay but then my connection seems to have high ping rates or something like that... Here is a server code snippet where i receive the clients data: while(true) { try { .... Object obj = in.readObject(); if(obj != null) { Class clazz = obj.getClass(); String className = clazz.getName(); if(className.equals("java.lang.String")) { String cmd = (String)obj; if(cmd.equals("dc")) { System.out.println("Client "+id+" disconnected!"); Server.connectedClients[id-1] = false; break; } if(cmd.substring(0,1).equals("!")) { robot.keyRelease(PlayerEnum.getKey(cmd,id)); } else { robot.keyPress(PlayerEnum.getKey(cmd,id)); } } } } catch .... Heres the client part, where i send my data in a while loop: private void networking() { try { if(client != null) { .... out.writeObject(sendQueue.poll()); .... } } catch .... when i write it this why, i send data everytime the while loop gets executed.. when sendQueue is empty, a null "Object" will be send. this results in "high" network traffic and in "high" cpu usage. BUT: all send comments are received nearly immediately. when i change the code to following: while(true) ... if(sendQueue.peek() != null) { out.writeObject(sendQueue.poll()); } ... the cpu usage is totally okay but i'm getting some laggs.. the commands do not arrive fast enough.. as i said, it works fine (besides cpu usage) if i'm sending data(with that null objects) every while execution. but i'm sure that this is very rough coding style because i'm kind of flooding the network. any hints? what am i doing wrong?? Thanks for your Help! Sincerly yours, maaft

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  • making lan connection problem

    - by user216112
    i am making lan connection.afer all to do i have check all the setting of workgroup and all but if i am checking through ping command to check they are connected or not??only from one system reply is coming.from the secong system reply is not coming.and i m accessing the workgru=oup"the maessge\ pc2 is not accessible.the network path not found"what should i do??

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  • Connection Pooling in J2SE?

    - by Zombies
    It is hard to find a resource on this without finding J2EE, but here is what I am looking for: All I have is a standard J2SE app, it makes a lot of DB connections. I simply need to make use of a connection pool. Any suggestions?

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  • Webservice connection data storage

    - by Mey
    Hello, I would like to ask you how can i implement the next: I have a tabBar where each tab make one different connection to one web service, and should show a different data. I would like to save this data "somewhere" and from it place load the different tabs. Where i should save this received data? Thank you, Best regards

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  • How to share session cookies between Internet Explorer and an ActiveX components hosted in a webpage

    - by jerem
    I am currently working on a .Net application which makes HTTP requests to some web applications hosted on a IIS server. The application is deployed through ClickOnce and is working fine on simple networks architectures. One of our customers has a very complex network involving a custom authentication server on which the user has first to log himself in order to be authenticated and get access to other applications on this network. Once authenticated on this server, a session cookie is created and sent to the user. Every time the user then makes a request on a secured server of the network, this cookie is checked to grant access to the user. If this cookie is not sent with the request, the user is redirected to the login page. The only browser used is Internet Explorer. This cookie cannot be accessed from our .net application since it is executed in another process than the Internet Explorer process which was used to log the user in, and thus is not sent with our requests, which cannot be completed since the server redirects every of our requests to the login page. I had a look at embedding my application into Internet Explorer by making the main control COM visible and creating it on an HTML page with an tag. It is working properly, however the sessions cookies set earlier in the browser are not sent when the ActiveX control makes web requests. I was hoping this sharing of the session information would be automatic (although I didn't really believe it). So my questions are : Is it possible to have access to this cookie in the embedded ActiveX? How? Does it make a difference to use a .Net COM-interop component instead of a "true" ActiveX control? Also, are there specific security words to describe this kind of behaviors (given that I am not an expert at all on security topics, this lack of proper terminology makes it a lot harder to find the needed resources)? My goal is to have my application's requests look the same from the requests made by the host browser's requests, and I thought that embedding the application as an ActiveX control into the browser was the only way to achieve this, however any suggestion on another to do this is welcome.

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  • Website (jQuery) consistently crashes Internet Explorer (REALLY STUCK!)

    - by Bradley Bell
    Hey Guys. I posted this question yesterday, but haven't had a response. Basically, I'm totally stuck and clueless over crashing in Internet Explorer. The website now works fine in all browsers except internet explorer. The website is heavily reliant on jQuery and as far as I'm aware, I cant spot anything wrong with the script. Internet Explorer displays no errors and I don't know what I can possibly change. It displays fine, which would suggest that its nothing up with the CSS or HTML? I'm fairly sure it has to be the script, because it only crashes when you hover over one of the mouseover links. I'm already over the deadline and time is ticking! Its driving me crazy. I've uploaded it onto a test directory here: www.openyourheart.org.uk/test/index.html (I'll add the script/css links below as a comment, It wont let me post more than one here!) I would reaaly, really appreciate any help on this. I can also send the website compressed and post scripts here if required/preferred. Thanks in advance, Bradley

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  • Internet Explorer cannot 'fully' load ActiveX Control

    - by K Browne
    Context I am migrating an installer for an ActiveX control from Per-Machine to Per-User. I did this by programming the installer write to HKCU\Software\Classes instead of HKLM\Software\Classes. Problem On my machine (Windows 7 with UAC Enabled), the ActiveX control successfully loads. On the other windows 7 test machines (one with UAC enabled, one with UAC disabled), the control 'partially' loads. What is Partially? When a user visits a page with the ActiveX control, Internet Explorer displays a warning message in a yellow bar on the top of the window. If you click the 'Run add-on' button in the bar, the control becomes visible and begins to run, but Javascript code that tries to access properties of the control return the error: Library not registered. Differences between machines On the dev machine reads from HKCR\CLSID\<GUID> succeed while on the test machines these reads fail. Reads from HKCU succeed on both dev and test machines. Reads from HKLM fail on both test and dev machines. (I collected reads using Sysinternals Process Monitor) Strangely, the keys that Internet Explorer fails to read are clearly visible if I use regedit to view HKCR\CLSID\<GUID> on the test machines. Question What can I do to get the per-user control to load on the test machines? What could cause this difference between the dev machine and the test machines? Why can I see the key in HKCR with RegEdit but Internet Explorer cannot see the key? Any help is appreciated. Thank you.

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  • Configuring only one Internet Explorer zone (IntranetZone) thru GPO without affecting other zones?

    - by MadBoy
    I need to deploy some trusted intranet sites into Intranet Zone in Internet Explorer. It works fine when using GPO at: Setting Path: Computer Configuration/Administrative Templates/Windows Components/Internet Explorer/Internet Control Panel/Security Page Supported On: At least Internet Explorer 6.0 in Windows XP Service Pack 2 or Windows Server 2003 Service Pack 1 Problem is this settings also affect other zones making it impossible for people in company to add sites to other zones themselves. Is there a way to fix this so that Intranet Zone is deployed thru GPO and rest of settings stay in gesture of users?

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  • How do I make IE8 NOT delete temporary internet files?

    - by Josh
    Every time I close Internet Explorer, all temporary files (including cookies) are deleted. IE has a setting for this (Tools Internet Options Advanced Security Empty Temporary Internet Files folder when browser is closed) but the setting is turned off. I tried cycling it on and off again, with no luck. I can open the Temporary Internet Files folder and watch all the files vanish each time IE closes. How can I get the temporary files to stay where they belong?

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  • Share internet connection in OSX through existing wireless network?

    - by baloo
    It's easy to share your Internet with AirPort by checking "Internet Sharing" in the system preferences, but this option asumes you want to create a new wireless network. Is there an easy way to configure Internet sharing if you want to use an already existing network? I want my laptop to use the existing wireless AP and share its internet to other clients within this network. Tried manually running natd -interface ppp0 without luck

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  • Problem with bluetooth on android 2.1 (samsung spica i5700) where pairing works but connection does

    - by user319634
    I have a Samsung Spica i5700 which I already have updated to Android 2.1. I am using the phone with an application called Run.GPS (http://www.rungps.net). This application logs data such as GPS position, route, speed, bearing etc. It can also log heartrate provided the user has a Zephyr HxM bluetooth heart rate monitor ("HxM"), which I do have. I can pair the HxM to the phone through the standard bluetooth utility. I'm prompted for the PIN, which I enter and the device is shown as 'Paired but not connected'. In the Run.GPS application itself, I click on 'Connect Heartrate Monitor'. This times out after about 30 seconds and the error message is 'Could not connect to heartrate monitor. Please try other settings'. I used a friend's HTC Windows Mobile as a control device to see if the HxM works there. It does. The Run.GPS application automatically sets the baud rate (initially to 9600 IIRC, though the connection also worked with higher baud rates) and it is possible to choose between various COM ports as well as a .Net COM port. I did some testing on my Spica Android, to try to find out why the bluetooth connection doesn't work. Below are some log files that I connected over adb when I clicked on 'Connect to Heartrate Monitor' in the Run.GPS application. I would be interested in any tips (including if I'm posting to the wrong forum here ;-)) - whether or not it's possible to experiment with the baud rate in Android etc. I still don't know if the problem is with the Run.GPS application (I've posted already on the development forum there) or with Android 2.1. I checked out another application - Endomondo - which is also a sport tracking application which supports heartrate monitor only with the HxM. There, what looked like exactly the same error occurred - I clicked on 'Connect Zephyr HxM'. For a few seconds I was shown the 'Connecting...' status, but then it timed out into 'Not Connected'. I'm thus tending towards looking at Android for the problem. Here's the output of adb logcat while trying to connect ./adb logcat | grep Run.GPS D/WYNEX> (11551): Excute :: Run.GPS Trainer UV, (null) E/Run.GPS (11997): Cannot connect to BT device E/Run.GPS (11997): java.io.IOException: Service discovery failed E/Run.GPS (11997): at android.bluetooth.BluetoothSocket$SdpHelper.doSdp(BluetoothSocket.java:374) E/Run.GPS (11997): at android.bluetooth.BluetoothSocket.connect(BluetoothSocket.java:184) E/Run.GPS (11997): at ju.a(Unknown Source) E/Run.GPS (11997): at qk.j(Unknown Source) E/Run.GPS (11997): at fs.c(Unknown Source) E/Run.GPS (11997): at le.a(Unknown Source) E/Run.GPS (11997): at s.b(Unknown Source) E/Run.GPS (11997): at pb.a(Unknown Source) E/Run.GPS (11997): at as.a(Unknown Source) E/Run.GPS (11997): at am.b(Unknown Source) E/Run.GPS (11997): at gf.onTouchEvent(Unknown Source) E/Run.GPS (11997): at android.view.View.dispatchTouchEvent(View.java:3709) E/Run.GPS (11997): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) E/Run.GPS (11997): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) E/Run.GPS (11997): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1665) E/Run.GPS (11997): at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1107) E/Run.GPS (11997): at android.app.Activity.dispatchTouchEvent(Activity.java:2061) E/Run.GPS (11997): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1649) E/Run.GPS (11997): at android.view.ViewRoot.handleMessage(ViewRoot.java:1694) E/Run.GPS (11997): at android.os.Handler.dispatchMessage(Handler.java:99) E/Run.GPS (11997): at android.os.Looper.loop(Looper.java:123) E/Run.GPS (11997): at android.app.ActivityThread.main(ActivityThread.java:4363) E/Run.GPS (11997): at java.lang.reflect.Method.invokeNative(Native Method) E/Run.GPS (11997): at java.lang.reflect.Method.invoke(Method.java:521) E/Run.GPS (11997): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) E/Run.GPS (11997): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) E/Run.GPS (11997): at dalvik.system.NativeStart.main(Native Method) E/Run.GPS (11997): Cannot connect to BT device E/Run.GPS (11997): java.io.IOException: Service discovery failed Here's the output of dmesg while trying to connect the heartrate monitor <4>[74726.239833] select 11691 (.serviceModeApp), adj 15, size 3205, to kill <4>[74726.240741] select 11739 (com.wssnps), adj 15, size 3207, to kill <4>[74726.246870] select 11750 (id.partnersetup), adj 15, size 3219, to kill <4>[74726.253390] select 11857 (p.bluetoothicon), adj 15, size 3299, to kill <4>[74726.259879] select 13131 (ndroid.settings), adj 15, size 4586, to kill <4>[74726.266372] send sigkill to 13131 (ndroid.settings), adj 15, size 4586 <7>[74733.945097] [BT] GPIO_BT_WAKE = 1 <7>[74733.945121] [BT] wake_lock(bt_wake_lock) <7>[74733.951799] [BT] GPIO_BT_HOST_WAKE = 1 <7>[74733.951822] [BT] wake_lock timeout = 5 sec <7>[74735.890196] [BT] GPIO_BT_HOST_WAKE = 0 <7>[74736.150987] [BT] GPIO_BT_HOST_WAKE = 1 <7>[74736.151009] [BT] wake_lock timeout = 5 sec <7>[74737.490185] [BT] GPIO_BT_HOST_WAKE = 0 <7>[74740.073913] [BT] GPIO_BT_HOST_WAKE = 1 <7>[74740.073948] [BT] wake_lock timeout = 5 sec <7>[74741.315336] [BT] GPIO_BT_HOST_WAKE = 0 <7>[74743.249747] [BT] GPIO_BT_HOST_WAKE = 1 <7>[74743.249768] [BT] wake_lock timeout = 5 sec <7>[74744.865099] [BT] GPIO_BT_HOST_WAKE = 0 <7>[74745.154487] [BT] GPIO_BT_HOST_WAKE = 1 <7>[74745.154509] [BT] wake_lock timeout = 5 sec <7>[74748.852534] [BT] GPIO_BT_HOST_WAKE = 0 <7>[74749.156256] [BT] GPIO_BT_HOST_WAKE = 1 <7>[74749.156278] [BT] wake_lock timeout = 5 sec <7>[74750.490018] [BT] GPIO_BT_HOST_WAKE = 0 <4>[74754.230424] select 11691 (.serviceModeApp), adj 15, size 3191, to kill <4>[74754.231326] select 11739 (com.wssnps), adj 15, size 3193, to kill <4>[74754.237473] select 11750 (id.partnersetup), adj 15, size 3205, to kill <4>[74754.243950] select 11857 (p.bluetoothicon), adj 15, size 3283, to kill <4>[74754.250452] select 13140 (com.svox.pico), adj 15, size 3465, to kill <4>[74754.256787] send sigkill to 13140 (com.svox.pico), adj 15, size 3465

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  • Cannot open xls file in IE

    - by Vladimir Bezugliy
    We have JSF web application that generates XLS file and gives user link to thes file. All works fine if access this file via HTTP. But IE(8) cannot open/save this xls file via HTTPS. There is following error message: Internet Explorer cannot download ...466088C5C313F92808BDB0AFF3447 from testhost. Internet Explorer was not able to open this Internet site. The requested site is either unavailable or cannot be found. Please try again later. I can open the same document via HTTPS in Firefox and in Chrome. What can be the problem with IE? Headers: HTTP/1.1 200 OK Date: Fri, 18 Jun 2010 14:45:42 GMT Server: Apache-Coyote/1.1 X-Powered-By: Servlet 2.5; JBoss-5.0/JBossWeb-2.1 X-UA-Compatible: IE=EmulateIE7 Last-Modified: Fri, 18 Jun 2010 14:45:11 GMT Cache-control: max-age=0, no-store, no-cache Pragma: no-cache Expires: 0 Content-Type: application/vnd.ms-excel Content-Length: 6656 Keep-Alive: timeout=5, max=100 Connection: Keep-Alive

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