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  • "Half" ssh authorization to a server with git repository

    - by hsz
    Hello ! Currently I have purchased web hosting with ssh access. I have created a git repository on it and if I set my public key in ~/.ssh/authorized_keys file, I have access to that repo, I can push/pull data, etc. This solution allows access for every user that has his public key in authorized_keys file. But there is one thing that I want to avoid. Every user can login to the server too and has access to whole ssh account. Is it possible to create a blacklist of users' keys that will not have an access to ssh ? I see it that way: user logs in to a git - ok, allow for every one user logs in to ssh account ~/.profile file is hooked and called a custom script: check user's public key if public key is in ~/.ssh/blacklist_keys call bash exit/logout Is it possible in any way ?

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  • Mobile App Notifications in the Enterprise Space: UX Considerations

    - by ultan o'broin
    Here is a really super website of UX patterns for Android: Android Patterns. I was particularly interested in the event-driven notification patterns (aka status bar notifications to developers). Android - unlike iOS (i.e., the iPhone) - offers a superior centralized notifications system for users.   (Figure copyright Android Patterns)   Research in the enterprise applications space shows how users on-the-go, prefer this approach, as: Users can manage their notification alerts centrally, across all media, apps and for device activity, and decide the order in which to deal with them, and when. Notifications, unlike messages in a dialog or information message in the UI, do not block a task flow (and we need to keep task completion to under three minutes). See the Anti-Patterns slideshare presentation on this blocking point too. These notifications must never interrupt a task flow by launching an activity from the background. Instead, the user can launch an activity from the notification. What users do need is the ability to filter this centralized approach, and to personalize the experience of which notifications are added, what the reminder is, ability to turn off, and so on. A related point concerning notifications is when used to provide users with a record of actions then you can lighten up on lengthy confirmation messages that pop up (toasts in the Android world) used when transactions or actions are sent for processing or into a workflow. Pretty much all the confirmation needs to say is the action is successful along with key data such as dollar amount, customer name, or whatever. I am a user of Android (Nexus S), BlackBerry (Curve), and iOS devices (iPhone 3GS and 4). In my opinion, the best notifications user experience for the enterprise user is offered by Android. Blackberry is good, but not as polished and way clunkier than Android’s. What you get on the iPhone, out of the box, is useless in the enterprise. Technorati Tags: Android,iPhone,Blackerry,messages,usablility,user assistance,userexperience,Oracle,patterns,notifications,alerts

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  • Overlap of the variable in mysql, my column are set to my query result

    - by foodil
    The question is not clear , let me clarify it: try{ $sql = ' SELECT UserID <==== (***********Used here for query ******) FROM user WHERE Rights != ?'; $stmt = $conn->prepare($sql); $stmt->execute(array('admin')); $result= $stmt->fetchAll(); } catch(PDOException $e) { die ($e->getMessage().'<a href="add.php"> Back</a>'); } foreach ($result as $set) { if ($set['UserID']==$_SESSION['username']) $rights='edit'; else {$rights=$_POST[$set['UserID']];} if (($rights != 'default' || $set['UserID']==$_SESSION['username']) && $_POST['public']==0 ) { $user=$set['UserID']; try { $query="INSERT INTO user_list(UserID <==== (***********Used here for insert ******),ListID,UserRights) VALUES ($user,$lastID,$rights)"; $stmt = $conn->prepare($query); $stmt->execute(); } catch(PDOException $e) { die ($e->getMessage().'<a href="add.php"> Back</a>'); $conn->rollBack(); } } } As you can see the UserID is a query result but it is also the column i need to insert, so when i insert into the table it will casued an error SQLSTATE[42S22]: Column not found: 1054 Unknown column 'UserA_ID' in 'field list' because the column is modify by my query result from: $query="INSERT INTO user_list(UserID,ListID,UserRights) VALUES ($user,$lastID,$rights)"; to: $query="INSERT INTO user_list(query_result_id,ListID,UserRights) VALUES ($user,$lastID,$rights)"; How to fix it ?Thank you.

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  • Unable to print login-required images in IE

    - by Tim Fountain
    I have some images in a section of a site that require the user to be logged in in order to view. These images are served by a PHP script, which checks the user's login state and if valid, serves the binary data with the appropriate headers. This all works fine. The issue comes when a user tries to print one of these images. In Internet Explorer, when they go to print preview they get the broken image box with a red cross in the corner instead of the actual file. This is what gets printed also. All other browsers can print the images without issue. I have some images elsewhere on the site that are also served via. PHP but these don't require a login. These print fine. The PHP-powered HTML pages on the site that require a login also print fine in IE. It's just login-required images. The user hitting print preview does not seem to result in additional HTTP request to the server for the file. However I do see an additional HTTP request a few seconds later that comes from the same IP (may or may not be related), This request includes no host header, no REQUEST_URI and no user agent. The 'please login' page sends an appropriate 403 header. I've also added a far-in-future expires header to the image response itself to ensure that browsers can serve/print the files from their own cache but this hasn't made any difference. Why can't IE print the images and what else can I do to investigate or fix the problem?

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  • A Basic Thread

    - by Joe Mayo
    Most of the programs written are single-threaded, meaning that they run on the main execution thread. For various reasons such as performance, scalability, and/or responsiveness additional threads can be useful. .NET has extensive threading support, from the basic threads introduced in v1.0 to the Task Parallel Library (TPL) introduced in v4.0. To get started with threads, it's helpful to begin with the basics; starting a Thread. Why Do I Care? The scenario I'll use for needing to use a thread is writing to a file.  Sometimes, writing to a file takes a while and you don't want your user interface to lock up until the file write is done. In other words, you want the application to be responsive to the user. How Would I Go About It? The solution is to launch a new thread that performs the file write, allowing the main thread to return to the user right away.  Whenever the file writing thread completes, it will let the user know.  In the meantime, the user is free to interact with the program for other tasks. The following examples demonstrate how to do this. Show Me the Code? The code we'll use to work with threads is in the System.Threading namespace, so you'll need the following using directive at the top of the file: using System.Threading; When you run code on a thread, the code is specified via a method.  Here's the code that will execute on the thread: private static void WriteFile() { Thread.Sleep(1000); Console.WriteLine("File Written."); } The call to Thread.Sleep(1000) delays thread execution. The parameter is specified in milliseconds, and 1000 means that this will cause the program to sleep for approximately 1 second.  This method happens to be static, but that's just part of this example, which you'll see is launched from the static Main method.  A thread could be instance or static.  Notice that the method does not have parameters and does not have a return type. As you know, the way to refer to a method is via a delegate.  There is a delegate named ThreadStart in System.Threading that refers to a method without parameters or return type, shown below: ThreadStart fileWriterHandlerDelegate = new ThreadStart(WriteFile); I'll show you the whole program below, but the ThreadStart instance above goes in the Main method. The thread uses the ThreadStart instance, fileWriterHandlerDelegate, to specify the method to execute on the thread: Thread fileWriter = new Thread(fileWriterHandlerDelegate); As shown above, the argument type for the Thread constructor is the ThreadStart delegate type. The fileWriterHandlerDelegate argument is an instance of the ThreadStart delegate type. This creates an instance of a thread and what code will execute, but the new thread instance, fileWriter, isn't running yet. You have to explicitly start it, like this: fileWriter.Start(); Now, the code in the WriteFile method is executing on a separate thread. Meanwhile, the main thread that started the fileWriter thread continues on it's own.  You have two threads running at the same time. Okay, I'm Starting to Get Glassy Eyed. How Does it All Fit Together? The example below is the whole program, pulling all the previous bits together. It's followed by its output and an explanation. using System; using System.Threading; namespace BasicThread { class Program { static void Main() { ThreadStart fileWriterHandlerDelegate = new ThreadStart(WriteFile); Thread fileWriter = new Thread(fileWriterHandlerDelegate); Console.WriteLine("Starting FileWriter"); fileWriter.Start(); Console.WriteLine("Called FileWriter"); Console.ReadKey(); } private static void WriteFile() { Thread.Sleep(1000); Console.WriteLine("File Written"); } } } And here's the output: Starting FileWriter Called FileWriter File Written So, Why are the Printouts Backwards? The output above corresponds to Console.Writeline statements in the program, with the second and third seemingly reversed. In a single-threaded program, "File Written" would print before "Called FileWriter". However, this is a multi-threaded (2 or more threads) program.  In multi-threading, you can't make any assumptions about when a given thread will run.  In this case, I added the Sleep statement to the WriteFile method to greatly increase the chances that the message from the main thread will print first. Without the Thread.Sleep, you could run this on a system with multiple cores and/or multiple processors and potentially get different results each time. Interesting Tangent but What Should I Get Out of All This? Going back to the main point, launching the WriteFile method on a separate thread made the program more responsive.  The file writing logic ran for a while, but the main thread returned to the user, as demonstrated by the print out of "Called FileWriter".  When the file write finished, it let the user know via another print statement. This was a very efficient use of CPU resources that made for a more pleasant user experience. Joe

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  • Software development project inception phase

    - by john ryan
    Currently our team develops Web Applications and now we are going to Windows Forms applications. I have created the inception phase for our Windows Forms project structure. eg: ApplicationSolution --> Security Project(Login Authentication) a. Users will be registered with different applications in our application database. eg: ProjectApplicationId|ProjectName | UserId 1 |ProjectApplication1| user 2 |ProjectApplication2| user b. Execute Application (Start) c. On Security dialog, application automatically get the userid of the user and see all the application it is registered using System.Security.Principal.WindowsIdentity.GetCurrent() eg: Prototype Welcome User! Please Choose Appliations you are registered on below: ProjectApplication1 <--this will be a dropdown ProjectApplication2 Password: [*********************] [Access Application Button] d. User selects the application with its password e. If the password is incorrect (application.exit()) else execute Selected Application eg: ProjectApplication1 is selected then execute ProjectApplication1 --> ProjectApplication1 --> ProjectApplication2 --> Many to come ++ if ProjectApplications has been closed then restart security Application. My questions on this use case: Is my use case possible? Can you give me any recommendations ? Currently we use setup and deployment to create installer in each Windows Forms application.

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  • Basic clarification about Limited FTP/sFTP users

    - by mattewre
    I would like to get some clarification about the correct way to create limited users to access to my VPS user as WEBSERVER with Nginix. I'm used to NOT install FTP and access via SFTP only. It is ok for every set up? this is what I usually do from to create a limited user called "admin" that should be able to have access via SFTP to the folder with the website data mkdir -p /var/www/mysite.com/ adduser admin adduser admin www-data chown -R root:root /var/www chmod -R 755 /var/www chmod -R 755 /var/www/mysite.com chown -R admin:www-data /var/www/mysite.com/ It seems not to be the correct way, I always have problems with permission when I upload some files (for example with Wordpress in general). I would like to create an user that does work exactly as the one that the "provides" give to their client when they buy an Hosting service (that is a FTP, I would prefer SFTP access). It is for personal user, but I think that a limited user is a lot safer to use then the "root" via SFTP.

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  • SFTP permission denied on files owned by www-data

    - by Charles Roper
    I have a pretty standard server set up running Apache and PHP. An app I am running creates files and these are owned by the Apache user www-data. Files that I upload via SFTP are owned by my own user charlesr. All files are part of the www-data group. My problem is that I cannot modify or overwrite any of the files via SFTP which are owned by www-data, even though charlesr is part of the www-data group. I can modify the files no problem via a SSH session. So I'm not sure what to do. How do I give my SFTP session permissions to modify www-data owned files? For a bit of background, these are the notes I wrote for myself when setting-up the server: Now set up permissions on `/var/www` where your files are served from by default: $ sudo adduser $USER www-data $ sudo chgrp -R www-data /var/www $ sudo chmod -R g+rw /var/www $ sudo chmod -R g+s /var/www Now log out and log in again to make the changes take hold. The previous set of commands does the following: 1. adds the current user ($USER) to the `www-data` group; 2. changes `/var/www` to belong to the `www-data` group; 3. adds read/write permissions to the group that `/var/www` belongs to; 4. sets the SGID bit on `/var/www`; this final point bears some explaining. And then I go on to explain to myself what setting the SGID bit means (i.e. all files created in /var/www become part of the www-data group automatically). Btw, nothing feels sweeter than going back and reading your own detailed notes on the what, how and why of your own server set up when trying to troubleshoot like this - I recommend it highly to all beginners like myself :-)

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  • Packets marked by iptables only sent to the correct routing table sometimes

    - by cookiecaper
    I am trying to route packets generated by a specific user out over a VPN. I have this configuration: $ sudo iptables -S -t nat -P PREROUTING ACCEPT -P OUTPUT ACCEPT -P POSTROUTING ACCEPT -A POSTROUTING -o tun0 -j MASQUERADE $ sudo iptables -S -t mangle -P PREROUTING ACCEPT -P INPUT ACCEPT -P FORWARD ACCEPT -P OUTPUT ACCEPT -P POSTROUTING ACCEPT -A OUTPUT -m owner --uid-owner guy -j MARK --set-xmark 0xb/0xffffffff $ sudo ip rule show 0: from all lookup local 32765: from all fwmark 0xb lookup 11 32766: from all lookup main 32767: from all lookup default $ sudo ip route show table 11 10.8.0.5 dev tun0 proto kernel scope link src 10.8.0.6 10.8.0.6 dev tun0 scope link 10.8.0.1 via 10.8.0.5 dev tun0 0.0.0.0/1 via 10.8.0.5 dev tun0 $ sudo iptables -S -t raw -P PREROUTING ACCEPT -P OUTPUT ACCEPT -A OUTPUT -m owner --uid-owner guy -j TRACE -A OUTPUT -p tcp -m tcp --dport 80 -j TRACE It seems that some sites work fine and use the VPN, but others don't and fall back to the normal interface. This is bad. This is a packet trace that used VPN: Oct 27 00:24:28 agent kernel: [612979.976052] TRACE: raw:OUTPUT:rule:2 IN= OUT=eth0 SRC=XXX.YYY.ZZZ.AAA DST=23.1.17.194 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=14494 DF PROTO=TCP SPT=57502 DPT=80 SEQ=2294732931 ACK=0 WINDOW=5840 RES=0x00 SYN URGP=0 OPT (020405B40402080A03A6E01D0000000001030307) UID=999 GID=999 Oct 27 00:24:28 agent kernel: [612979.976105] TRACE: raw:OUTPUT:policy:3 IN= OUT=eth0 SRC=XXX.YYY.ZZZ.AAA DST=23.1.17.194 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=14494 DF PROTO=TCP SPT=57502 DPT=80 SEQ=2294732931 ACK=0 WINDOW=5840 RES=0x00 SYN URGP=0 OPT (020405B40402080A03A6E01D0000000001030307) UID=999 GID=999 Oct 27 00:24:28 agent kernel: [612979.976164] TRACE: mangle:OUTPUT:rule:1 IN= OUT=eth0 SRC=XXX.YYY.ZZZ.AAA DST=23.1.17.194 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=14494 DF PROTO=TCP SPT=57502 DPT=80 SEQ=2294732931 ACK=0 WINDOW=5840 RES=0x00 SYN URGP=0 OPT (020405B40402080A03A6E01D0000000001030307) UID=999 GID=999 Oct 27 00:24:28 agent kernel: [612979.976210] TRACE: mangle:OUTPUT:policy:2 IN= OUT=eth0 SRC=XXX.YYY.ZZZ.AAA DST=23.1.17.194 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=14494 DF PROTO=TCP SPT=57502 DPT=80 SEQ=2294732931 ACK=0 WINDOW=5840 RES=0x00 SYN URGP=0 OPT (020405B40402080A03A6E01D0000000001030307) UID=999 GID=999 MARK=0xb Oct 27 00:24:28 agent kernel: [612979.976269] TRACE: nat:OUTPUT:policy:1 IN= OUT=eth0 SRC=XXX.YYY.ZZZ.AAA DST=23.1.17.194 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=14494 DF PROTO=TCP SPT=57502 DPT=80 SEQ=2294732931 ACK=0 WINDOW=5840 RES=0x00 SYN URGP=0 OPT (020405B40402080A03A6E01D0000000001030307) UID=999 GID=999 MARK=0xb Oct 27 00:24:28 agent kernel: [612979.976320] TRACE: filter:OUTPUT:policy:1 IN= OUT=eth0 SRC=XXX.YYY.ZZZ.AAA DST=23.1.17.194 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=14494 DF PROTO=TCP SPT=57502 DPT=80 SEQ=2294732931 ACK=0 WINDOW=5840 RES=0x00 SYN URGP=0 OPT (020405B40402080A03A6E01D0000000001030307) UID=999 GID=999 MARK=0xb Oct 27 00:24:28 agent kernel: [612979.976367] TRACE: mangle:POSTROUTING:policy:1 IN= OUT=tun0 SRC=XXX.YYY.ZZZ.AAA DST=23.1.17.194 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=14494 DF PROTO=TCP SPT=57502 DPT=80 SEQ=2294732931 ACK=0 WINDOW=5840 RES=0x00 SYN URGP=0 OPT (020405B40402080A03A6E01D0000000001030307) UID=999 GID=999 MARK=0xb Oct 27 00:24:28 agent kernel: [612979.976414] TRACE: nat:POSTROUTING:rule:1 IN= OUT=tun0 SRC=XXX.YYY.ZZZ.AAA DST=23.1.17.194 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=14494 DF PROTO=TCP SPT=57502 DPT=80 SEQ=2294732931 ACK=0 WINDOW=5840 RES=0x00 SYN URGP=0 OPT (020405B40402080A03A6E01D0000000001030307) UID=999 GID=999 MARK=0xb and this is one that didn't: Oct 27 00:22:41 agent kernel: [612873.662559] TRACE: raw:OUTPUT:rule:2 IN= OUT=eth0 SRC=XXX.YYY.ZZZ.AAA DST=209.68.27.16 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=40425 DF PROTO=TCP SPT=45305 DPT=80 SEQ=604973951 ACK=0 WINDOW=5840 RES=0x00 SYN URGP=0 OPT (020405B40402080A03A6B6960000000001030307) UID=999 GID=999 Oct 27 00:22:41 agent kernel: [612873.662609] TRACE: raw:OUTPUT:policy:3 IN= OUT=eth0 SRC=XXX.YYY.ZZZ.AAA DST=209.68.27.16 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=40425 DF PROTO=TCP SPT=45305 DPT=80 SEQ=604973951 ACK=0 WINDOW=5840 RES=0x00 SYN URGP=0 OPT (020405B40402080A03A6B6960000000001030307) UID=999 GID=999 Oct 27 00:22:41 agent kernel: [612873.662664] TRACE: mangle:OUTPUT:rule:1 IN= OUT=eth0 SRC=XXX.YYY.ZZZ.AAA DST=209.68.27.16 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=40425 DF PROTO=TCP SPT=45305 DPT=80 SEQ=604973951 ACK=0 WINDOW=5840 RES=0x00 SYN URGP=0 OPT (020405B40402080A03A6B6960000000001030307) UID=999 GID=999 Oct 27 00:22:41 agent kernel: [612873.662709] TRACE: mangle:OUTPUT:policy:2 IN= OUT=eth0 SRC=XXX.YYY.ZZZ.AAA DST=209.68.27.16 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=40425 DF PROTO=TCP SPT=45305 DPT=80 SEQ=604973951 ACK=0 WINDOW=5840 RES=0x00 SYN URGP=0 OPT (020405B40402080A03A6B6960000000001030307) UID=999 GID=999 MARK=0xb Oct 27 00:22:41 agent kernel: [612873.662761] TRACE: nat:OUTPUT:policy:1 IN= OUT=eth0 SRC=XXX.YYY.ZZZ.AAA DST=209.68.27.16 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=40425 DF PROTO=TCP SPT=45305 DPT=80 SEQ=604973951 ACK=0 WINDOW=5840 RES=0x00 SYN URGP=0 OPT (020405B40402080A03A6B6960000000001030307) UID=999 GID=999 MARK=0xb Oct 27 00:22:41 agent kernel: [612873.662808] TRACE: filter:OUTPUT:policy:1 IN= OUT=eth0 SRC=XXX.YYY.ZZZ.AAA DST=209.68.27.16 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=40425 DF PROTO=TCP SPT=45305 DPT=80 SEQ=604973951 ACK=0 WINDOW=5840 RES=0x00 SYN URGP=0 OPT (020405B40402080A03A6B6960000000001030307) UID=999 GID=999 MARK=0xb Oct 27 00:22:41 agent kernel: [612873.662855] TRACE: mangle:POSTROUTING:policy:1 IN= OUT=eth0 SRC=XXX.YYY.ZZZ.AAA DST=209.68.27.16 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=40425 DF PROTO=TCP SPT=45305 DPT=80 SEQ=604973951 ACK=0 WINDOW=5840 RES=0x00 SYN URGP=0 OPT (020405B40402080A03A6B6960000000001030307) UID=999 GID=999 MARK=0xb I have already tried "ip route flush cache", to no avail. I do not know why the first packet goes through the correct routing table, and the second doesn't. Both are marked. Once again, I do not want ALL packets system-wide to go through the VPN, I only want packets from a specific user (UID=999) to go through the VPN. I am testing ipchicken.com and walmart.com via links, from the same user, same shell. walmart.com appears to use the VPN; ipchicken.com does not. Any help appreciated. Will send 0.5 bitcoins to answerer who makes this fixed.

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  • Building a chat-like functionality in iOS

    - by Mani BAtra
    I was planning to implement a functionality wherein a user can send data to a friend of his, similar to sending messages in WhatsApp. This is how I broke down the problem : The user registers for the app. This equates to user info being stored on a dedicated server. With the phone number as the key identifier. The user selects the friend to send a message to and pushes the data. The receiver polls the server regularly and acknowledges that the data has been received. I did a little bit of research and am thinking of implementing this using the XMPP Framework for iOS. Any pointers as to is this the correct implementation or some advice in general?

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  • Adaptive Layout for ADF Faces on Tablets

    - by Shay Shmeltzer
    In the 11.1.16 version of Oracle ADF we started adding specific features to the ADF Faces components so they'll work better on iPad tablets. In this entry I'm going to highlight some new capabilities that we have added to the 11.1.2.3 release. (note if you are still on the 11.1.1.* branch - you'll need to wait for 11.1.1.7 to get the features discussed here). The two key additions in the 11.1.2.3 version compared to the 11.1.1.6 features for iPad support include: pagination for tables and adaptive flow layout. The pagination for table is self explanatory, basically since iPad don't support scroll bars, we automatically switch the table component to render with a pagination toolbar that allow you to scroll set of records or directly jump to a specific set. See the image below. The adaptive flow layout takes a bit more explanation. On regular desktops the UI that you usually build for ADF Faces screens is going to use stretch layout - meaning that it stretches to fill the whole area of the browser window. If you resize the browser windoe, the ADF Faces page resizes with it. If your browser window is too small, scroll bars will appear to allow you to scroll to areas that are "hidden". However on an iPad, this is probably not the type of layout you want - you would rather have a flow layout that eliminates scroll bars and instead allows you to scroll down the page. Basically your want the page to be sized based on its content, rather then based on the browser window size. In ADF Faces terminology this can be done with the dimensionsFrom property set to "children". And here comes the tricky part, since in the past(and also today) when you create an ADF Faces page and add a stretchable component to it, the dimensionsFrom property is set to parent by default. This will be true to other layout components you'll add as well. At this point you might be wondering "Does this mean I'll need to go to each of the layout components in my page and modify the dimensionsFrom property value to be children?" ADF Faces to the rescue... To eliminate the need to do this tedious manual changes, we introduced a new web.xml parameter "oracle.adf.view.rich.geometry.DEFAULT_DIMENSIONS" You'll basically add the following to your web.xml <context-param>    <description>      This parameter controls the default value for component geometry on the page.      Supported values are:        legacy - component attributes use the default values as specified for the attributes                 in the tag documentation (default value)        auto   - component attributes use the correct default value given the value of their                 parent component. For example, with this setting, the panelStretchLayout                 will use "auto" as the default value for its "dimensionsFrom" attribute                 instead of "parent".    </description>    <param-name>oracle.adf.view.rich.geometry.DEFAULT_DIMENSIONS</param-name>    <param-value>auto</param-value>  </context-param> Once you set this parameter, you only need to set the dimensionsFrom attribute for the top level layout component on your page, and the rest of the components will adjust accordingly. One trick that you can use, and that is used in the demo below, is to have the dimensionsFrom property depend on the type of client that access your application. This way you can switch between stretch or flow layout based on the device accessing your application. For example I use the following in my page: <af:panelStretchLayout topHeight="70px" startWidth="0px" endWidth="0px"                                       dimensionsFrom="#{adfFacesContext.agent.capabilities['touchScreen'] eq 'none'  ? 'parent' : 'children' }"> Which results in a flow layout for iPads and a stretch layout for regular browsers. Check out the result in the below demo: &amp;lt;span id=&amp;quot;XinhaEditingPostion&amp;quot;&amp;gt;&amp;lt;/span&amp;gt;

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  • Server 2003 RAS Server Utilising High WAN Traffic

    - by Joe Sergeant
    We have Routing and Remote Access configured on Server 2003 (also our primary domain controller), allowing users to connect in remotely to access files, email, etc. With one user, the RAS Server is constantly sending data to that user's remote computer. From 9am this morning it has transferred almost 800MB. The user isn't transferring any files remotely, certainly not enough to total 800MB anyway. None of the other remote users have had this issue. We have ensured that the user in question has "Use default gateway on remote network" disabled for both IPv4 and IPv6 and we are fairly confident that Offline Files isn't trying to synchronise with the server remotely, too. My question is two-fold. Firstly, has anyone had a similar experience? Secondly, what would be the best software to discover exactly what data is being sent to the remote user?

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  • Users in ubuntu; Cant figure it out

    - by Camran
    I am the only one who will have access to my website. Just installed my VPS and managed to get most stuff working. However, stuck on the "members" part. Currently, everything has been done as "root". I have read posts that I should create a user, because root isn't ideal. I have found thousand guides on how to create a user, but now what to do next. 1- Should I create a user with adduser username and then add the user to a group? But which group? 2- And will the user then be able to do everything as I have done logged on as "root"? 3- And somebody plz explain what "sudo" has to do with this? (if anything at all) Thanks

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  • OpenID implementation - PHP, Javascript, MySQL

    - by Marc A.
    Hello, I've started doing some research on the technologies that I will need for my website. I'm trying to implement a really simple website with OpenID user registration. The website will store a block of text for each user. I imagine this means that I will need a database with: User ID Open ID url Data Having said that, I'm still having trouble deciding what I really need to do this. I know that I will need the following for the actual site: Javascript JQuery CSS But on the back end, I'm kind of lost at the moment. I've been looking at the OpenID-Selector, which is coded in Javascript. It seems like it's exactly what is used on this site. Will I actually need PHP? MySQL for the data and user registration? Thanks for the kickstart!

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  • Integrating Global Knowledge Software and the Future of UPK

    With the acquisition of Global Knowledge Software, SAP and Oracle customers are wondering about the future of Oracle User Productivity Kit (UPK). Tune into this conversation with Sonny Singh, Senior Vice President, Product and Industries Business Unit to learn why Oracle purchased Global Knowledge Software, how an SAP solution fits into an Oracle strategy, and what that means for the future of UPK – the end user training and implementation solution for accelerating user adoption, ensuring the success of enterprise applications, and making organizations productive from day one!

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  • Wireframing: A Day In the Life of UX Workshop at Oracle

    - by ultan o'broin
    The Oracle Applications User Experience team's Day in the Life (DITL) of User Experience (UX) event was run in Oracle's Redwood Shores HQ for Oracle Usability Advisory Board (OUAB) members. I was charged with putting together a wireframing session, together with Director of Financial Applications User Experience, Scott Robinson (@scottrobinson). Example of stunning new wireframing visuals we used on the DITL events. We put on a lively show, explaining the basics of wireframing, the concepts, what it is and isn't, considerations on wireframing tool choice, and then imparting some tips and best practices. But the real energy came when the OUAB customers and partners in the room were challenge to do some wireframing of their own. Wireframing is about bringing your business and product use cases to life in real UX visual terms, by creating a low-fidelity drawing to iterate and agree on in advance of prototyping and coding what is to be finally built and rolled out for users. All the best people wireframe. Leonardo da Vinci used "cartoons" on some great works, tracing outlines first and using red ochre or charcoal dropped through holes in the tracing parchment onto the canvas to outline the subject. (Image distributed under Wikimedia commons license) Wireframing an application's user experience design enables you to: Obtain stakeholder buy-in. Enable faster iteration of different designs. Determine the task flow navigation paths (in Oracle Fusion Applications navigation is linked with user roles). Develop a content strategy (readability, search engine optimization (SEO) of content, and so on) Lay out the pages, widgets, groups of features, and so on. Apply usability heuristics early (no replacement for usability testing, but a great way to do some heavy-lifting up front). Decide upstream which functional user experience design patterns to apply (out of the box solutions that expedite productivity). Assess which Oracle Application Development Framework (ADF) or equivalent technology components can be used (again, developer productivity is enhanced downstream). We ran a lively hands-on exercise where teams wireframed a choice of application scenarios using the time-honored tools of pen and paper. Scott worked the floor like a pro, pointing out great use of features, best practices, innovations, and making sure that the whole concept of wireframing, the gestalt, transferred. "We need more buttons!" The cry of the energized. Not quite. The winning wireframe session (online shopping scenario) from the Applications UX DITL event shown. Great fun, great energy, and great teamwork were evident in the room. Naturally, there were prizes for the best wireframe. Well, actually, prizes were handed out to the other attendees too! An exciting, slightly different aspect to delivery of this session made the wireframing event one of the highlights of the day. And definitely, something we will repeat again when we get the chance. Thanks to everyone who attended, contributed, and helped organize.

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  • Is it possible to design a multiplayer game which can be played from different devices?

    - by user9820
    I want to design a online multiplayer game for all gaming devices e.g. Desktop PC, internet browser, android phones, android tablets, iphone, ipad, XBOX 360 etc. Now my main requirement is that, I want all devices can be used to play the game in multiplayer mode toghether i.e. One player can be connected using PC another using android phone and other may be with iphone or ipad. My doubts are - How to make all devices to connect to common game server? What will be the logic for graphics and texture because all devices screen will be of different aspect ratio?

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  • Big Companies Influence Retail in 2010

    - by David Dorf
    From a retail industry perspective, 2010 will go down as the year mobile went mainstream, the economy recovered from the crash, and Facebook surpassed Google as the most influential online property. While the economy certainly had the biggest impact on the retail industry, a few big companies also exerted influence. Here's a rundown and a look back at 2010: Apple -- Steve Jobs and company continued to lead the mobile pack. Consumers are using their iPhones to shop, retailers are using the iPod Touch for mobile checkout, and both are embracing the iPad as the next wave of technology. The Next Technology from Apple Mobile Platforms in Retail Apple Stores, Touch2Systems, and the iPad Google -- Not to be outdone, Google's Android platform grew faster than Apple's, plus they support QRCodes natively and will probably beat Apple to NFC. Google Checkout, Product Search, and Boutiques.com continue to impact the e-commerce scene. Google Leverages Like.com Facebook -- While the movie The Social Network certainly made Facebook a household name, Connect, Places, and seeing the "like" button all over the Web really pushed Facebook everywhere. 2010 set the foundations for f-commerce. Facebook Participatory Promotions Crowd Savers What's the value of a Facebook fan? Step Aside Google Leveraging Social Networks for Retail Social Shopping at Nine West Groupon -- This newcomer executed on a simple concept flawlessly, making them the fasted company to reach $1B in revenue. (See cool chart from Silicon Alley Insider.) Google's offer of $5-6B wasn't enough, so now they are raising an additional $1B in funding, presumably to buy-up all the copycats across the globe. Changing the Way We Shop Amazon -- As if leading the e-commerce charge wasn't enough, Amazon shook things up with their purchase of Woot and release of their Price Checker mobile app. They continue to push boundaries with Kindle, and don't seem worried about the iPad at all. You Can't Win on Price Amazon Looks at Your Social Graph eBay -- Acquiring Skype didn't exactly work out, but eBay's purchase of PayPal and RedLaser are driving the company forward. They are still a major force. Bump the Bill Oracle, SAP, HP, IBM, and Cisco left their marks on the retail industry as well with various acquisitions and CxO shake-ups. We'll just have to wait and see what 2011 brings next.

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  • Standard Network Tiers in a Distributed N-Tier System

    Distributed N-Tier client/server architecture allows for segments of an application to be broken up and distributed across multiple locations on a network.  Listed below are standard tiers in a Distributed N-Tier System. End-User Client Tier The End-User Client is responsible for sending and receiving requests from web servers and other applications servers and translating the responses so that the End-User can interpret the data effectively. The primary roles for this tier are to communicate with servers and translate server responses back to the end-user to interpret. Business-Specific Functions Validate Data Display Data Send Data to Webserver Web Server Tier The Web server tier processes new requests for information coming in from the HTTP and HTTPS ports. This primarily handles the generation of user interfaces and calls the application server when needed to access Data and business logic when needed. Business-specific functions Send Data to application server Format Data for Display Validate Data Application Server Tier The application server stores and executes predefined business logic that is applied to various pieces of data as the business determines. The processed data is then returned back to the Webserver. Additionally, this server directly calls the database to obtain and store any data used by the system Business-Specific Functions Validate Data Process Data Send Data to Database Server Database Server Tier The Database Server is responsible for storing and returning all data need by the calling applications. The primary role for this this server is storage. Data is stored as needed and can be recalled at any point later in time. Business-Specific Functions Insert Data Delete Data Return Data to Application Server

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  • RESTful API design - should a PUT return related data?

    - by alexmcroberts
    I have an API which allows a user to update their system status; and a separate call to retrieve system status updates from other users. Would it make sense to unify them under a PUT request where a user would request a PUT update with their own status update, and they would receive the status updates of other users? My solution would allow the PUT request to call the GET request method internally. The reason behind this is that when a user updates their system status they should be informed of other users status immediately, and I don't feel that having 2 seperate requests is necessary - and should be optional. I intend to keep the GET request for other users status as a status update for a user is not necessarily required in order to retrieve other users status', but once they update their own status is it vital that they get information about other users.

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  • How to disable automatic login?

    - by iammilind
    I was playing around with "User accounts" and somehow set automatic login. Now, when I start my PC, it just has one button named as "login". Clicking that button, directly logs me in to my PC. There is no music or no asking for password while logging in. As a side effect, it asks me separately for keyring password How to disable auto login and make login/keyring password unified again like before? NOTE: Attempting to disable Automatic Login from System Settings User Accounts does not work. This is the content of my /etc/lightdm/lightdm.conf (where I have commented the autologin for my username mgandhi): [SeatDefaults] greeter-session=unity-greeter user-session=ubuntu #autologin-user=mgandhi

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  • Architecture for a template-building, WYSIWIG application

    - by Sam Selikoff
    I'm building a WYSIWYG designer in Ember.js. The designer will allow users to create campaigns - think MailChimp. To build a campaign, users will choose an existing template. The template will have a defined layout. The user will then be taken to the designer, where he will be able to edit the text and style, and additionally change some layout options. I've been thinking about how best to go about structuring this app, and there are a few hurdles. Specifically, the output of the campaign will be dynamic: eventually, it will be published somewhere, and when the consumers (not my users, but the people clicking on the campaign that my user created) visit the campaign, certain pieces of data will change, depending on the type of consumer viewing the campaign. That means the ultimate output of the designer will be a dynamic site. The data that is dynamic for this site - the end product - will not be manipulated by the user in the designer. However, the data that will be manipulated by the user in the designer are things like copy, styles, layout options, etc. I'll call the first set of variables server-side data, and the second client-side data. It seems, then, that the process will go something like this: I'll need to create templates for this designer that have two dynamic segments. For instance, the server-side data could be Liquid expressions, and the client-side data Handlebars expressions. When the user creates a campaign, I would compile the template on the back end using some dummy data for the server-side variables, and serve up a handlebars template to the Ember app. The user would then edit the template, and the Ember app would save all his edits to the JS variables that were powering the template. This way he'd be able to preview the template. When he saves, he'll send back the selected template, along with all the data and options he's made. When it comes time to publish, the back-end system will have to do two things: compile the template with Handlebars using the campaign data, and then compile the template with Liquid using the server-side data Is my thinking roughly accurate about this, or is there a simpler way?

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  • Customizing the windows server 2008 RDP login screen possible?

    - by moontear
    Hi, I'm working with RDP sessions quite frequently. As we work in teams and all use the same user account on a particular computer (I know...) I was wondering if there was a way to display from which computer (hostname, computername) the person is connecting. The login screen I get when two users are already connected looks like this (german): I'd love it, if the screen would display from where the logged in user is connecting e.g. "COMPUTER\user connected from MYCOMPUTERNAME". This way I would know whom to ask to disconnect so I can hop onto the session. If I remember correctly the login screen looked different for previous Windows versions including this connection information. Any way I can easily enable this or is this just standard windows behavior and there is no way to tell from where the user is connecting (btw: Task Manager shows the computername of the connected user).

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