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  • asp.net - pdf printing status

    - by BhejaFry
    Hi folks, I need to print PDF's generated in an asp.net application using crystal reports. Upon printing, a database table gets updated with the status 'printed'. How do we handle situation where let's say, the printer runs out of paper? I know this is on client-side, so what's the right way to handle issues like this? TIA

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  • Given a trace of packets, how would you group them into flows?

    - by zxcvbnm
    I've tried it these ways so far: 1) Make a hash with the source IP/port and destination IP/port as keys. Each position in the hash is a list of packets. The hash is then saved in a file, with each flow separated by some special characters/line. Problem: Not enough memory for large traces. 2) Make a hash with the same key as above, but only keep in memory the file handles. Each packet is then put into the hash[key] that points to the right file. Problems: Too many flows/files (~200k) and it might run out of memory as well. 3) Hash the source IP/port and destination IP/port, then put the info inside a file. The difference between 2 and 3 is that here the files are opened and closed for each operation, so I don't have to worry about running out of memory because I opened too many at the same time. Problems: WAY too slow, same number of files as 2 so also impractical. 4) Make a hash of the source IP/port pairs and then iterate over the whole trace for each flow. Take the packets that are part of that flow and place them into the output file. Problem: Suppose I have a 60 MB trace that has 200k flows. This way, I would process, say, a 60 MB file 200k times. Maybe removing the packets as I iterate would make it not so painful, but so far I'm not sure this would be a good solution. 5) Split them by IP source/destination and then create a single file for each one, separating the flows by special characters. Still too many files (+50k). Right now I'm using Ruby to do it, which might've been a bad idea, I guess. Currently I've filtered the traces with tshark so that they only have relevant info, so I can't really make them any smaller. I thought about loading everything in memory as described in 1) using C#/Java/C++, but I was wondering if there wouldn't be a better approach here, especially since I might also run out of memory later on even with a more efficient language if I have to use larger traces. In summary, the problem I'm facing is that I either have too many files or that I run out of memory. I've also tried searching for some tool to filter the info, but I don't think there is one. The ones I've found only return some statistics and wouldn't scan for every flow as I need.

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  • Where is the iPhone app EULA displayed for the user?

    - by Shanra
    I am planning to submit an iPhone app for certain special purpose calculations. I want to add a legal disclaimer about the calculations somewhere so that the user can see it atleast once before starting to use the app. Should this go into the EULA that may be submitted as part of app submission process? Or should that be a one time screen shown when the app is started first time? What is the right way? Thanks for responses.

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  • regular expression help

    - by hao
    <li class="zk_list_c2 f_l"><a title="abc" target="_blank" href="link"> abc </a>&nbsp;</li> how would i extract abc and link? $pattern="/<li class=\"zk_list_c2 f_l\"><a title=\"(.*)\" target=\"_blank\" href=\"(.*)\">\s*(.*)\s*<\/a>&nbsp;<\/li>/m"; preg_match_all($pattern, $content, $matches); the one i have right now doesnt seems to work

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  • Common programming mistakes in .Net when handling exceptions?

    - by Jared Coleson
    What are some of the most common mistakes you've seen made when handling exceptions? It seems like exception handling can be one of the hardest things to learn how to do "right" in .Net. Especially considering the currently #1 ranked answer to Common programming mistakes for .NET developers to avoid? is related to exception handling. Hopefully by listing some of the most common mistakes we can all learn to handle exceptions better.

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  • SQL join produces one result only

    - by Rami
    Can anyone please tell me why this result is generation only one results? taking in mind that everything is set right and the three tables are populated correctly, i took out the group_concat and it worked but of course with a php undefined index error! SELECT `songs`.`song_name`, `songs`.`add_date`, `songs`.`song_id`, `songs`.`song_picture`, group_concat(DISTINCT artists.artist_name) as artist_name FROM (`songs`) JOIN `mtm_songs_artists` ON `songs`.`song_id` = `mtm_songs_artists`.`song_id` JOIN `artists` ON `artists`.`artist_id` = `mtm_songs_artists`.`artist_id` ORDER BY `songs`.`song_id` DESC LIMIT 10 so i'm guessing it's something related to group_concat. best regards, Rami

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  • PHP Classes Extend

    - by John
    I have two classes that work seperate from another, but they extend the same class. Is it possible to have them work the same instance of the extended class. I'm wanting the constructor of the extended class to run only once. I know this isn't right but something like this: <?php $oApp = new app; class a extends $oApp {} class b extends $oApp {}

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  • All possible permutations of a set of lists in Python

    - by Ian Davis
    In Python I have a list of n lists, each with a variable number of elements. How can I create a single list containing all the possible permutations: For example [ [ a, b, c], [d], [e, f] ] I want [ [a, d, e] , [a, d, f], [b, d, e], [b, d, f], [c, d, e], [c, d, f] ] Note I don't know n in advance. I thought itertools.product would be the right approach but it requires me to know the number of arguments in advance

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  • How to access Active Directory using C++Builder?

    - by Gus Brown
    I need to get a list of user names from Active Directory using C++Builder. I know I could shell out to batch file and run the csvde.exe command but surely there is a nicer way using a library or something, right? Are there any C++ libraries? (hopefully with examples?) Many thanks! -Dan

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  • JQUERY Ajax form, page refreshs & isn't supposed to in Safari, doesn't refresh in FF (works fine)

    - by nobosh
    I'm working on a AJAX form which lives in a JQUERY UI Dialog. It works great in FireFox, but for some reason, in safari it refreshes the page to: /? Please let me know if somethings wrong here? Thanks <div class="modal-container"> <form onsubmit="" action="" id="list-dialog-form" name="list-dialog-form"> <div id="modal-wrapper"> <br><br> <div class="modal-inputbar"> <span style="width: 100px;" class="inputbar-label"> <label>Edit List Name:</label> </span> <span style="width: 200px;" class="inputbar-input"> <input type="text" style="padding-right: 25px;" autocomplete="off" maxlength="140" id="listname" value="Untitled"> </span> </div> </div> <div id="modal-submit" class="modal-submit"> <span class="left delete-wrap"> <span onclick="deleteThisList(15);" class="delete"> </span> </span> <span style="line-height: 2em;" class="right"> <input type="hidden" value="15" id="tasklistID"> <input type="submit" value="update" id="dialogcloser"> <input type="button" onclick="$('#listeditdialog').dialog('close');" value="close" id="dialogcloser"> </span> </div> </form> </div> // Handles Updating the List Title $("#list-dialog-form").submit(function(){ // Ajax Spinner $("#listname").css("background", "url('/images/ajax-loader.gif') no-repeat scroll 98% center #FFF"); $.ajax({ url: '/ajax/listname-update/index.cfm', data: ({listname: $("#listname").val().trim(), tasklistID: $("#tasklistID").val()}), dataType: 'json', type: 'post', success: function( result ) { // Update the name in the top, project list $("#list-" + $("#tasklistID").val()).find('a').html($("#listname").val().trim()); $("#list-" + $("#tasklistID").val()).effect('highlight', {color: '#BDC1C7'}, 500); //Remove the Ajax Spinner $("#listname").css("background", "#FFF"); $("#listname").effect('highlight', {color: '#BDC1C7'}, 500); //close the dialog $('#listeditdialog').dialog('close'); } }); return false; });

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  • GridView Events Clarification

    - by nettguy
    Recently I have been asked an interview question "What are the events order in GridView?". I explained Init() Loading() DataBinding() DataBound() RowCreated .... User interaction events like RowCommand,RowDeleting,RowUpdating PreRender -executes every time when the GridView is modified unload() I would like to check whether my answer is right or not.

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  • Is there a way to split a widescreen monitor in to two or more virtual monitors?

    - by Mike Thompson
    Like most developers I have grown to love dual monitors. I won't go into all the reasons for their goodness; just take it as a given. However, they are not perfect. You can never seem to line them up "just right". You always end up with the monitors at slight funny angles. And of course the bezel always gets in the way. And this is with identical monitors. The problem is much worse with different monitors -- VMWare's multi monitor feature won't even work with monitors of differnt resolutions. When you use multiple monnitors, one of them becomes your primary monitor of focus. Your focus may flip from one monitor to the other, but at any point in time you are usually focusing on only one monitor. There are exceptions to this (WinDiff, Excel), but this is generally the case. I suggest that having a single large monitor with all the benefits of multiple smaller monitors would be a better solution. Wide screen monitors are fantastic, but it is hard to use all the space efficiently. If you are writing code you are generally working on the left-hand side of the window. If you maximize an editor on a wide-screen monitor the right-hand side of the window will be a sea of white. Programs like WinSplit Revolution will help to organise your windows, but this is really just addressing the symptom, not the problem. Even with WinSplit Revolution, when you maximise a window it will take up the whole screen. You can't lock a window into a specific section of the screen. This is where virtual monitors comes in. What would be really nice is a video driver that sits on top of the existing driver, but allows a single monitor to be virtualised into multiple monitors. Control Panel would see your single physical monitor as two or more virtual monitors. The software could even support a virtual bezel to emphasise what is happening, or you could opt for seamless mode. Programs like WinSplit Revolution and UltraMon would still work. This virtual video driver would allow you to slice & dice your physical monitor into as many virtual monitors as you want. Does anybody know if such software exists? If not, are there any budding Windows display driver guru's out there willing to take up the challenge? I am not after the myriad of virtual desktop/window manager programs that are available. I get frustrated with these programs. They seem good at first but they usually have some strange behaviour and don't work well with other programs (such as WinSplit Revolution). I want the real thing!

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  • How do i add a string template to views in .net mvc?

    - by Lina
    Hi, I have a newbie question,, how do i add a string template to the views folder in a .net mvc project? i have added a reference to StringTemplate.dll and antlr.runtime.dll but seems that is not enough. i.e. when i right-click on views and choose Add New Item i can't find a file with .st extension in the list that i get... how do i achieve that? Thanks a million in advance

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  • Issues loading Jquery (Galleria) script from inside an i-frame (beginner javascript?)

    - by 103188530284789248582
    Hello, first of all - I'm not entirely new to javascript, but am not fluent in it as I am with html and css, and am especially new to jQuery... so please excuse me if this questions seems easy or obvious, but after days of google I still have no solution to the problem... using jQuery 1.4.2.min, jQuery-ui-1.8.1 .... the site in question: http://homecapture.ca/sets/project_index.html The scenario: I have a tabbed menu generated from an unordered list, when a menu item is clicked it reveals an iframe which links to the page containing an image gallery. I am using jQuery UI tabs for the tabbed menu, and the galleries to which I'm linking are jQuery Galleria pages, automatically generated with Jalbum. The problem: The galleria plug-in only works normally from inside of the containing iframe in Chrome, has inconsistent behaviour in IE8 (seems to work in my local copy, but won't load properly online), and is not loaded properly in Firefox. Instead of displaying a thumbnail area and the first large image, the Galleria page shows the first thumbnail only, then when it is clicked the image it links to, but if you right-click and go Back, the iframe content shows up as a properly rendered Galleria page. Jalbum generates more script in the < head of the page in addition to linking to jquery and the galleria plug-in. All of it seems to be in charge of the gallery navigation , and I have relocated it to the < body of the page, in an effort to make it load after the parent page scripts, and together with the gallery content. At this point I am not sure what else I could do to solve the problem, without digging around in all or some of the library and pluging .js files (which I am not knowledgeable enough to do without some pointers). Has anyone dealt with a similar issue? I'm seeing some solutions for manipulating iframe content from a parent page with jQuery on here, is that what I should be researching instead? Thanks in advance for all the help! ps. I tried posting some code, but it seems I do not have enough 'reputation' for things to work right on here either :)

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  • Capture link clickthrough events from Javascript

    - by Silver Dragon
    In order to track the overall user clickstream, I'd like to fire a javascript event, if the user right-clicks, and select "Open in new Tab" (or middle-clicks in most browsers) on a link. Most of these links are linking outside of my site, and I'd like to interfere with overall browser experience (such as: status bar, etc) as little as possible. What options are there to solve this?

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  • Java and C++ on Stack Unwinding issue

    - by sahs-i-muhterem
    As far as I know, in case of an uncaught exception, C++ destroys the local variables immediately, Java releases the references and leaves the rest for the garbage collector. Is this right? What exactly is the difference between Java and C++ on this issue? in other words, which of these two languages is considered better in terms of stack unwinding issue? :)

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  • When doing a Schema Export with hbm2ddl, is there a way to specify that you DO NOT want Nullable For

    - by Jon Erickson
    The DDL that is being created is putting all of my many to many associations into 1 table, but I actually want each many to many association in its' own table (for other reasons) Right now hbm2ddl is creating this table (only Table1Key OR Table2Key OR Table3Key should be filled out for any given record, causing this table to have nullable foreign keys): +-----------+ | xRef | +-----------+ | Table1Key | | Table2Key | | Table3Key | | RiskKey | +-----------+ I want hbm2ddl to create the following 3 tables so that there are no nullable foreign keys. +-----------+ +-----------+ +-----------+ | xRef1 | | xRef2 | | xRef3 | +-----------+ +-----------+ +-----------+ | Table1Key | | Table2Key | | Table3Key | | RiskKey | | RiskKey | | RiskKey | +-----------+ +-----------+ +-----------+

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