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• Case insensitive Regex without using RegexOptions enumeration

  - by spoon16

  Is it possible to do a case insensitive match in C# using the Regex class without setting the RegexOptions.IgnoreCase flag? What I would like to be able to do is within the regex itself define whether or not I want the match operation to be done in a case insensitive manner. I would like this regex, taylor, to match on the following values: Taylor taylor taYloR

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• Convert IplImage into a JPEG without using CvSaveImage in OpenCV

  - by Abhishek Mishra

  I wish to convert an IplImage into a JPEG image in the memory (in order to stream it as M-JPEG frame over sockets) . I know I can use CvSaveImage for this, that creates a jpeg file, I read it again and then stream it over the network. I wish to avoid this extra disk write-read ops for faster operation. Any insights ?

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• Get 2 recoeds from PLSQL Cursor

  - by Hany

  Hi Guys... my Question is short, I create a cursor to get some values from my table I want to get the current record of cursor (the fetched record) and the next record from the cursor without fetching it, cause I want to make a calculation over the current record and the next record. in traditional Programming it's a simple operation you can do it with for index by increasing it by 1. do you have any suggestion :) thx

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• Perform a case insensitive match using Regex without using RegexOptions enumeration

  - by spoon16

  Is it possible to do a case insensitive match in C# using the Regex class without setting the RegexOptions.IgnoreCase flag? What I would like to be able to do is within the regex itself define whether or not I want the match operation to be done in a case insensitive manner. I would like this regex, taylor, to match on the following values: Taylor taylor taYloR

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• Cannot understand how new or malloc does work with BYTE*

  - by chekalin-v

  I trying to allocate memory for 10 bytes BYTE* tmp; tmp = new BYTE[10]; //or tmp = (BYTE*)malloc(10*sizeof(BYTE)); But after new or malloc operation length of *tmp more than 10 (i.e. '\0' char not in 10 position in tmp array) Why?

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• Queryable and BindingSource item add .net

  - by Alexander

  Hello! I wrote my own simple Queryable provider which retrieves data from a database. Now I need to bind this data to a BindingSource and when the new item is added to BindingSource some event or method must be called for handling the add operation. I have tried to implement IBingingList on a List class which is returned when the query is completed, but the AddNew method is not called when the item is added? How can I implement this scenario?

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• Uploading a file using post() method of QNetworkAccessManager

  - by user304361

  I'm having some trouble with a Qt application; specifically with the QNetworkAccessManager class. I'm attempting to perform a simple HTTP upload of a binary file using the post() method of the QNetworkAccessManager. The documentation states that I can give a pointer to a QIODevice to post(), and that the class will transmit the data found in the QIODevice. This suggests to me that I ought to be able to give post() a pointer to a QFile. For example: QFile compressedFile("temp"); compressedFile.open(QIODevice::ReadOnly); netManager.post(QNetworkRequest(QUrl("http://mywebsite.com/upload") ), &compressedFile); What seems to happen on the Windows system where I'm developing this is that my Qt application pushes the data from the QFile, but then doesn't complete the request; it seems to be sitting there waiting for more data to show up from the file. The post request isn't "closed" until I manually kill the application, at which point the whole file shows up at my server end. From some debugging and research, I think this is happening because the read() operation of QFile doesn't return -1 when you reach the end of the file. I think that QNetworkAccessManager is trying to read from the QIODevice until it gets a -1 from read(), at which point it assumes there is no more data and closes the request. If it keeps getting a return code of zero from read(), QNetworkAccessManager assumes that there might be more data coming, and so it keeps waiting for that hypothetical data. I've confirmed with some test code that the read() operation of QFile just returns zero after you've read to the end of the file. This seems to be incompatible with the way that the post() method of QNetworkAccessManager expects a QIODevice to behave. My questions are: Is this some sort of limitation with the way that QFile works under Windows? Is there some other way I should be using either QFile or QNetworkAccessManager to push a file via post()? Is this not going to work at all, and will I have to find some other way to upload my file? Any suggestions or hints would be appreciated. Thanks, Don

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• Get two records from PLSQL cursor

  - by Hany

  My question is short. I create a cursor to get some values from my table. I want to get the current record of cursor (the fetched record) and the next record from the cursor without fetching it, because I want to make a calculation over the current record and the next record. In traditional programming it's a simple operation; you can do it with a for index by increasing it by 1. Do you have any suggestions?

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• ListView containing Bitmaps with Zoom Animation in WPF

  - by Ashish Ashu

  I have a simple requirement as mentioned below: A ListView or any control displays list of bitmaps/images. When user mouse hovers on any bitmap that bitmap zoomed to show that is currently selected. Since I have to provide drag drop operations and click operation that why I taken the list view. Pleas help!! It will be great if any body provide the xaml to this..

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• Linq: Search a string for all occurrences of multiple spaces

  - by Aran Mulholland

  I have a string and i want to find the position of all the occurrences of multiple spaces. Im writing a punctuation checker. I would like to parralelise this operation using parallel linq but in the meantime im just looking for the linq method to get me started.

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• Performance comparison of Dictionaries

  - by Hun1Ahpu

  I'm interested in performance values (big-O analysis) of Lookup and Insert operation for .Net Dictionaries: HashTable, SortedList, StringDictionary, ListDictionary, HybridDictionary, NameValueCollection Link to a web page with the answer works for me too.

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• TSQL syntax to restore .bak to new db

  - by justSteve

  I need to automate the creation of a duplicate db from the .bak of my production db. I've done the operation plenty of times via the GUI but when executing from the commandline I'm a little confused by the various switches, in particular, the filenames and being sure ownership is correctly replicated. Just looking for the TSQL syntax for RESTORE that accomplishes that. thx

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• Fastest way to calculate a 128-bit integer modulo a 64-bit integer

  - by Paul Baker

  I have a 128-bit unsigned integer A and a 64-bit unsigned integer B. What's the fastest way to calculate A % B - that is the (64-bit) remainder from dividing A by B? I'm looking to do this in either C or assembly language, but I need to target the 32-bit x86 platform. This unfortunately means that I cannot take advantage of compiler support for 128-bit integers, nor of the x64 architecture's ability to perform the required operation in a single instruction.

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• Wpf: Image Control does not support .TGA files

  - by viky

  In my application I am using Images, these images can be .tga(Targa Graphic) file as well, when I am creating instance of BitmapImage using .tga file, it throws exception saying "No imaging component suitable to complete this operation was found.". Is there any other way to work with .tga file in wpf? How can I use these(.tga) files just like any other .jpg(Image file) in wpf?

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• Cross-thread Winforms control editing

  - by Motig

  Hey, how can I edit the text in a windows form element if the code that is editing the text 'belongs' to a seperate thread from the one that contains the windows form? I get the exception: Cross-thread operation not valid: Control 'textBox1' accessed from a thread other than the thread it was created on. Thank you.

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• How to force asdoc run in English

  - by ty

  My operation system is Window XP in Chinese. I'm running flex sdk asdoc in command line. Asdoc picks up the system default language. How can I force it to be run in English language environment?

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• bitwise not operator .

  - by Tony

  Why bitwise operation (~0); prints -1 ? In binary , not 0 should be 1 . why ?

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• AWS . SSH timed out - possible reasons and resolutions?

  - by ming yeow

  I cannot SSH into my instance - Operation timed out. What could be the reasons why, and what can I do to resolve it? Rebooting normally takes a long time to take effect, and might just makes things worst

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• Programmatically convert a video to FLV

  - by Raibaz

  i am currently working on a web application that needs to accept video uploaded by users in any format (.avi, .mov, etc.) and convert them to flv for playing in a flash-based player. Since the site is OpenCms-based, the best solution would be a ready-made plugin for OpenCms that allowed to upload and play videos doing the transcode operation in background, but just a set of Java classes to do the transcode would be great and then i could make the uploading form and playback part on my own.

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• Silverlight 4.0 - HttpWebRequest throwing ProtocolViolationException.

  - by cmaduro

  I am getting a "System.Net.ProtocolViolationException: Operation is not valid due to the current state of the object." error when trying to call var request = (HttpWebRequest)WebRequest.Create(uri); request.Method = "GET"; request.ContentType = "text/xml"; request.BeginGetRequestStream(RequestCompleted, request);

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• How can I get a websites favicon when using the WebBrowser control?

  - by Xaero

  I have a Windows Forms WebBrowser control embedded in my application. Is there any way to get a web pages favicon using either the WebBrowser or HtmlDocument API? Even obtaining it from the local file system would suffice. Downloading the icon as a separate operation would be a last resort... Thanks.

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• MKReverseGeocoder server returned error: 503

  - by raaz

  Hi all, Currently i am developing an iPhone application where i have to show user's current city and location for which i am using Mapkit Framework.When i build the application it works fine and show me the exact city details .But right now when i try to build the application again application shows following error message in my log /SourceCache/ProtocolBuffer_Sim/ProtocolBuffer-26/Runtime/PBRequester.m:523 server returned error: 503 reverseGeocoder: didFailWithError:Error Domain=PBRequesterErrorDomain Code=6001 "Operation could not be completed. (PBRequesterErrorDomain error 6001.)" Is any body facing the same issue and how can i resolve it?

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• How to run concurrency unit test?

  - by janetsmith

  Hi, How to use junit to run concurrency test? Let's say I have a class public class MessageBoard { public synchronized void postMessage(String message) { .... } public void updateMessage(Long id, String message) { .... } } I wan to test multiple access to this postMessage concurrently. Any advice on this? I wish to run this kind of concurrency test against all my setter functions (or any methodn that involves create/update/delete operation). Thanks

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• defining asmx webservice class objects as static

  - by Usama Khalil

  Hi, is it better to declare Webservice class object instances as static as the .asmx webservice classes have only static methods. what i want is that i declare and instantiate webservice asmx class as static in aspx Page Behind Class. and on every event call on that page i could perform operation against webservice methods. is it beneficial in terms of performance? Thanks Usama

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• the HTTP request is unauthorized with client authentication scheme 'Anonymous'

  - by user1246429

  I use firstdata webservice API.I use C# client call firstdata webservice API with WCF. But show error message: "But show error message "System.ServiceModel.Security.MessageSecurityException: The HTTP request is unauthorized with client authentication scheme 'Anonymous'. The authentication header received from the server was ''. --- System.Net.WebException: The remote server returned an error: (401) Unauthorized. at System.Net.HttpWebRequest.GetResponse() at System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelRequest.WaitForReply(TimeSpan timeout) --- End of inner exception stack trace --- Server stack trace: at System.ServiceModel.Channels.HttpChannelUtilities.ValidateAuthentication(HttpWebRequest request, HttpWebResponse response, WebException responseException, HttpChannelFactory factory) at System.ServiceModel.Channels.HttpChannelUtilities.ValidateRequestReplyResponse(HttpWebRequest request, HttpWebResponse response, HttpChannelFactory factory, WebException responseException, ChannelBinding channelBinding) at System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelRequest.WaitForReply(TimeSpan timeout) at System.ServiceModel.Channels.RequestChannel.Request(Message message, TimeSpan timeout) at System.ServiceModel.Dispatcher.RequestChannelBinder.Request(Message message, TimeSpan timeout) at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout) at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation) at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message) Exception rethrown at [0]: at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg) at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type) at com.firstdata.globalgatewaye4.api.ServiceSoap.SendAndCommit(SendAndCommitRequest request) at com.firstdata.globalgatewaye4.api.ServiceSoapClient.com.firstdata.globalgatewaye4.api.ServiceSoap.SendAndCommit (SendAndCommitRequest request) at com.firstdata.globalgatewaye4.api.ServiceSoapClient.SendAndCommit(Transaction SendAndCommitSource)" My web.config info below: <behaviors> <endpointBehaviors> <behavior name="FDGGBehavior"> <clientCredentials> <clientCertificate findValue="WS1909642825._.1" storeLocation="LocalMachine" x509FindType="FindBySubjectName" storeName="TrustedPeople" /> <serviceCertificate> <authentication certificateValidationMode="PeerTrust" /> </serviceCertificate> </clientCredentials> </behavior> </endpointBehaviors> </behaviors> <binding name="ServiceSoap" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" allowCookies="false" bypassProxyOnLocal="false" hostNameComparisonMode="StrongWildcard" maxBufferSize="65536" maxBufferPoolSize="524288" maxReceivedMessageSize="65536" messageEncoding="Text" textEncoding="utf-8" transferMode="Buffered" useDefaultWebProxy="true"> <readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" maxBytesPerRead="4096" maxNameTableCharCount="16384" /> <security mode="TransportWithMessageCredential"> <transport clientCredentialType="Certificate" proxyCredentialType="Ntlm" /> <message clientCredentialType="UserName" algorithmSuite="Default" /> </security> </binding> <endpoint address="https://api.globalgatewaye4.firstdata.com/transaction/v11" binding="basicHttpBinding" bindingConfiguration="ServiceSoap" contract="com.firstdata.globalgatewaye4.api.ServiceSoap" name="ServiceSoap" behaviorConfiguration="FDGGBehavior" /> How can resolve question?

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