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  • Is there a client-side way to prevent an image from being cached?

    - by morgancodes
    Is it possible to control with javascript whether a browser goes to the server for an image or to the browser cache? Can I force the browser to make a server call when it would otherwise use a cached image? I know I can simply append a query string to my image url, but, if I understand correctly, that works because the browser sees that as a new image. I want the old image to be replaced in the cache.

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  • Is there an API to remotely read a Windows machine's audit configuration?

    - by JCCyC
    I need to know, for each subcategory, whether it'll be audited on success, on failure, both, or none. Below is an example of the information I need to collect. Can I get this through WMI? Or if not, by other means, assuming I have proper (admin) credentials to the target machine? Again, to clarify, it's not the event log I need to read, it's the logging configuration. <security_state_change>AUDIT_SUCCESS</security_state_change> <security_system_extension>AUDIT_NONE</security_system_extension> <system_integrity>AUDIT_SUCCESS_FAILURE</system_integrity> <ipsec_driver>AUDIT_NONE</ipsec_driver> <other_system_events>AUDIT_SUCCESS_FAILURE</other_system_events> <logon>AUDIT_SUCCESS</logon> <logoff>AUDIT_SUCCESS</logoff> <account_lockout>AUDIT_SUCCESS</account_lockout> <ipsec_main_mode>AUDIT_NONE</ipsec_main_mode> <ipsec_quick_mode>AUDIT_NONE</ipsec_quick_mode> <ipsec_extended_mode>AUDIT_NONE</ipsec_extended_mode> <special_logon>AUDIT_SUCCESS</special_logon> <other_logon_logoff_events>AUDIT_NONE</other_logon_logoff_events> <file_system>AUDIT_NONE</file_system> <registry>AUDIT_NONE</registry> <kernel_object>AUDIT_NONE</kernel_object> <sam>AUDIT_NONE</sam> <certification_services>AUDIT_NONE</certification_services> <application_generated>AUDIT_NONE</application_generated> <handle_manipulation>AUDIT_NONE</handle_manipulation> <file_share>AUDIT_NONE</file_share> <filtering_platform_packet_drop>AUDIT_NONE</filtering_platform_packet_drop> <filtering_platform_connection>AUDIT_NONE</filtering_platform_connection> <other_object_access_events>AUDIT_NONE</other_object_access_events> <sensitive_privilege_use>AUDIT_NONE</sensitive_privilege_use> <non_sensitive_privlege_use>AUDIT_NONE</non_sensitive_privlege_use> <other_privlege_use_events>AUDIT_NONE</other_privlege_use_events> <process_creation>AUDIT_NONE</process_creation> <process_termination>AUDIT_NONE</process_termination> <dpapi_activity>AUDIT_NONE</dpapi_activity> <rpc_events>AUDIT_NONE</rpc_events> <audit_policy_change>AUDIT_SUCCESS</audit_policy_change> <authentication_policy_change>AUDIT_SUCCESS</authentication_policy_change> <authorization_policy_change>AUDIT_NONE</authorization_policy_change> <mpssvc_rule_level_policy_change>AUDIT_NONE</mpssvc_rule_level_policy_change> <filtering_platform_policy_change>AUDIT_NONE</filtering_platform_policy_change> <other_policy_change_events>AUDIT_NONE</other_policy_change_events> <user_account_management>AUDIT_SUCCESS</user_account_management> <computer_account_management>AUDIT_NONE</computer_account_management> <security_group_management>AUDIT_SUCCESS</security_group_management> <distribution_group_management>AUDIT_NONE</distribution_group_management> <application_group_management>AUDIT_NONE</application_group_management> <other_account_management_events>AUDIT_NONE</other_account_management_events> <directory_service_access>AUDIT_NONE</directory_service_access> <directory_service_changes>AUDIT_NONE</directory_service_changes> <directory_service_replication>AUDIT_NONE</directory_service_replication> <detailed_directory_service_replication>AUDIT_NONE</detailed_directory_service_replication> <credential_validation>AUDIT_NONE</credential_validation> <kerberos_ticket_events>AUDIT_NONE</kerberos_ticket_events> <other_account_logon_events>AUDIT_NONE</other_account_logon_events>

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  • Sending and receiving IM messages via controller in Rails

    - by Grnbeagle
    Hi, I need a way to handle XMPP communication in my Rails app. My requirements are: Keep an instance of XMPP client running and logged in as one specific user (my bot user) Trigger an event from a controller to send a message and wait for a reply. The message is sent to another machine equipped with a bot so that the reply is supposed to be returned quickly. I installed xmpp4r and backgrounDrb similar to what's described here, but backgrounDrb seems to have evolved and I couldn't get it to wait for a reply. If it has to happen asynchronously, I am willing to use a server-push technology to notify the browser when the reply arrives. To give you a better idea, here are snippets of my code: (In controller) class ServicesController < ApplicationController layout 'simple' def index render :text => "index" end def show @my_service = Service.find(params[:id]) worker = MiddleMan.worker(:jabber_agent_worker) worker.send_request(:arg => {:jid => "someuser@someserver", :cmd => "help"}) render :text => "testing" end end (In worker script) require 'xmpp4r' require 'logger' class JabberAgentWorker < BackgrounDRb::MetaWorker set_worker_name :jabber_agent_worker def create(args = nil) jid = Jabber::JID.new('myagent@myserver') @client = Jabber::Client.new(jid) @client.connect @client.auth('pass') @client.send(Jabber::Presence.new.set_show(:chat).set_status('BackgrounDRb')) @client.add_message_callback do |message| logger.info("**** messaged received: #{message}") # never reaches here end end def send_request(args = nil) to_jid = Jabber::JID.new(args[:jid]) message = Jabber::Message::new(to_jid, args[:cmd]).set_type(:normal).set_id('1') @client.send(message) end end If anyone can tell me any of the following, I'd much appreciate it: issue with my backgrounDrb usage other background process alternatives appropriate for XMPP interactions other ways of achieving this Thanks in advance.

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  • Are these jobs for developer or designers or for client itself? for a web-site projects

    - by jitendra
    Spell checking grammar checking Descriptive alt text for big chart , graph images, technical images To write Table summary and caption Descriptive Link text Color Contrast checking Deciding in content what should be H2 ,H3, H4... and what should be <strong> or <span class="boldtext"> Meta Description and keywords for each pages Image compression To decide Filenames for images,PDf etc To decide Page's <title> for each page

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  • FTPing a file to Mainframe using Java, Apache Common Net

    - by SKR
    I'm am trying to upload a file into mainframe server using FTP. My code is below FTPClient client = new FTPClient(); InputStream in = null; FileInputStream fis = null; try{ client.connect("10.10.23.23"); client.login("user1", "pass123"); client.setFileType(FTPClient.BINARY_FILE_TYPE); int reply ; reply = client.getReplyCode(); System.out.println("Reply Code:"+reply); if(FTPReply.isPositiveCompletion(reply)){ System.out.println("Positive reply"); String filename ="D:\\FILE.txt"; in = new FileInputStream(filename); client.storeFile("FILE.TXT", in); client.logout(); fis.close(); }else{ System.out.println("Negative reply"); } }catch(final Throwable t){ t.printStackTrace(); } The code gets struck in client.storeFile("FILE.TXT", in); I am unable to debug. Please suggest ways / solutions.

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  • Is there a good date/time API available for Scala?

    - by Erik Engbrecht
    I'm looking for something akin to JodaTime or JSR 310 for Scala that leverages nice Scala features such as operator overloading and doesn't rely on implicit conversions (I have an irrational fear of implicit conversions). I'm aware of http://github.com/jorgeortiz85/scala-time, but it just pimps JodaTime with implicits.

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  • Objective-c design advice for use of different data sources, swapping between test and live

    - by user200341
    I'm in the process of designing an application that is part of a larger piece of work, depending on other people to build an API that the app can make use of to retrieve data. While I was thinking about how to setup this project and design the architecture around it, something occurred to me, and I'm sure many people have been in similar situations. Since my work is depending on other people to complete their tasks, and a test server, this slows work down at my end. So the question is: What's the best practice for creating test repositories and classes, implementing them, and not having to depend on altering several places in the code to swap between the test classes and the actual repositories / proper api calls. Contemplate the following scenario: GetDataFromApiCommand *getDataCommand = [[GetDataFromApiCommand alloc]init]; getDataCommand.delegate = self; [getDataCommand getData]; Once the data is available via the API, "GetDataFromApiCommand" could use the actual API, but until then a set of mock data could be returned upon the call of [getDataCommand getData] There might be multiple instances of this, in various places in the code, so replacing all of them wherever they are, is a slow and painful process which inevitably leads to one or two being overlooked. In strongly typed languages we could use dependency injection and just alter one place. In objective-c a factory pattern could be implemented, but is that the best route to go for this? GetDataFromApiCommand *getDataCommand = [GetDataFromApiCommandFactory buildGetDataFromApiCommand]; getDataCommand.delegate = self; [getDataCommand getData]; What is the best practices to achieve this result? Since this would be most useful, even if you have the actual API available, to run tests, or work off-line, the ApiCommands would not necessarily have to be replaced permanently, but the option to select "Do I want to use TestApiCommand or ApiCommand". It is more interesting to have the option to switch between: All commands are test and All command use the live API, rather than selecting them one by one, however that would also be useful to do for testing one or two actual API commands, mixing them with test data. EDIT The way I have chosen to go with this is to use the factory pattern. I set up the factory as follows: @implementation ApiCommandFactory + (ApiCommand *)newApiCommand { // return [[ApiCommand alloc]init]; return [[ApiCommandMock alloc]init]; } @end And anywhere I want to use the ApiCommand class: GetDataFromApiCommand *getDataCommand = [ApiCommandFactory newApiCommand]; When the actual API call is required, the comments can be removed and the mock can be commented out. Using new in the message name implies that who ever uses the factory to get an object, is responsible for releasing it (since we want to avoid autorelease on the iPhone). If additional parameters are required, the factory needs to take these into consideration i.e: [ApiCommandFactory newSecondApiCommand:@"param1"]; This will work quite well with repositories as well.

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  • Whats a valid strategy for a secure image upload from a flash client?

    - by WillyCornbread
    Hi all - I'm creating a flash application that will post images to a url for saving to disk/display later. I was wondering what are some suggested strategies for making this secure enough so that the upload is verified as coming from the application and not just some random form post. Is it reliable enough to check referring location realizing that I don't need bulletproof security, or perhaps setting authentication headers is a better strategy even though it seems unreliable from what I have read. Thanks for any advice - b

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  • how can i install a service under a different account than the LocalSystem account using win32 api

    - by taher chhabrawala
    hi i am using the following code to install the service, i want to install this service under a different account, the last two parameters takes username and password but when i give so it throws an error...is there any specific way of giving username password here? IntPtr sv_handle = CreateService(sc_handle, svcName, svcDispName, SERVICE_ALL_ACCESS, SERVICE_WIN32_OWN_PROCESS, SERVICE_AUTO_START, SERVICE_ERROR_NORMAL, svcPath, null, 0, null, null, null);

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  • How can i get HWND of external application's listview? In Windows Api using c++

    - by Marko29
    So i am trying to make app to get content of my explorer listviews and get item text etc.. from it but here are the problems... If i inspect windows explorer folder(using spy++) with listview, just for testing purposes i will use random folder. It shows me that caption of the window is "FolderView" with class "SysListView32" and the top level window where this listview is nested is called "reference", this is also the title of windows explorer folder where all the files are. So what i do is.. HWND hWndLV = FindWindow(NULL, TEXT("reference")); // first i get hwnd of the main window, this is where listview window is also nested according to spy++, thats why i do this first. HWND child = FindWindowEx(hWndLV, NULL,NULL,TEXT("FolderView")); // trying to get hwnd of the listview here but it fails, same happens if i also put the class name along as HWND child = FindWindowEx(hWndLV, NULL,TEXT("SysListView32"),TEXT("FolderView")); I am using bool test = IsWindow(child); to test for fail, also VS debugger shows 0x0000000000 each time so i am sure i am reading results well. So i am stuck on this probably simple thing for most of people:( p.s. i am on vista64(if that matters anyhow) edit: It appears that this function works only if i search the first nested level of a parent window i am searching. So i assume what i need is a way to get handle with some sort of deep nested level search. I also tried to go step by step by defining hwnd of every parent then i use findwindowex on it but oh boy then i get to the point where there are 5 nested windows all with the same name and only one of them contains my listview, so nice uh?

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  • How to get unique URL identifier after inserting item in Google Base with Zend Gdata API?

    - by msumme
    I need to get the unique URL identifier for the product that is created after inserting an item into Google Base using the Zend_Gdata_Gbase library. I can't seem to do this. I am finding a startling lack of documentation online about manipulating the objects used in these applications. The url that I add to the object does not work to retrieve the base item later, which is why I need to get the one that google generates upon submission. I am writing a program that will need to be able to delete content at a later date, and thus will need to store that information in order to keep the website synced with the Google Base feed. Thanks in advance for any help.

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  • How do I prove to a client/advertiser that my site's analytics numbers are what I say they are?

    - by Bryson
    I have been asked to provide recommendations on "Verified Analytics" for the next iteration of my company's site. Verified to mean that when we sell ad space, it's based on a number of page-views, and the people who buy that space want a way to verify that the numbers we give them are the actual numbers we're delivering. I have turned to The Google and the only services I can find for this sort of thing revolve around Google Analytics and the sale of a domain name. I export my analytics numbers to a PDF, have Google email the PDF to my auctioneer, and they look for signs of tampering. If no signs of tampering are found they put a little "Verified" badge on the domain auction. (Here) Other than this, and something similar on another domain sales site, I haven't found anything like what I've been asked to find. Currently we are using Google Analytics, however I've been also asked to recommend a replacement for that based on the ability to be verified. I'd rather just stick with Google Analytics since we also use Google for advertising.

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  • How can I expose a service bus by a wcf service to be consumed by a silverlight client

    - by illdev
    In a Silverlight application, instead of consuming and writing (wcf) wrappers around messages that finally get sent to the bus, I want to send use my message bus as directly as possible. My idea was to expose the service bus directly as a wcf service, or, in other terms, I want to bidirectionally pub/sub over the wire. Has this been done already? Is bi-directionality doable at all? After all, we are (are we restricted to that?) in the http domain? Lots of questions. Some head start would be greatly appreciated! I am in .NET land, with using Rhino Service Bus, but the pattern should apply to different platforms.

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