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• Custom HTTP headers UIWebview

  - by kjeldGr

  I'm developing an application for iOS in Xcode 4.5 but I have a problem with a UIWebView. I want to set a header(BASE64 code) to skip a login part. When I try this, using the NPWebView project the webview always fails with an error which looks like this: Error Domain=NSURLErrorDomain Code=-999 "The operation couldn’t be completed. (NSURLErrorDomain error -999.)" UserInfo=0x6ace650 {NSErrorFailingURLKey="MY URL", NSErrorFailingURLStringKey="MY URL"} I hope someone can help me!

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• Which one has a faster runtime performance: WPF or Winforms?

  - by Joan Venge

  I know WPF is more complex an flexible so could be thought to do more calculations. But since the rendering is done on the GPU, wouldn't it be faster than Winforms for the same application (functionally and visually)? I mean when you are not running any games or heavy 3d rendering, the GPU isn't doing heavy work, right? Whereas the CPU is always busy. Is this a valid assumption or is the GPU utilization of WPF a very minor operation in its pipeline?

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• A question is related to state maintainance

  - by user217572

  my question is like that My 5 th view is Acontroller and it has 1 UIButton.when i click on this UIButton my Bcontroller's view opens.this operation wrks perfectly. but i'm actually doing state maintainanace.when i reach to 5 th view of Acontroller.after that i press home button and then when i again click on application as per my state maintainance code 5 th view of Acontroller opens .but when i click on it's UIButton Bcontroller's view not open.why A code of UIButton is as below [self.navigationController pushViewController:bcontroller animated:YES]; bcontroller is nothing but object of Bcontroller

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• How to change Firefox icon?

  - by Cédric Girard

  Is there any way to change Firefox system icon (the one on the left top of the window)? Precision : I want to change the icon of a bundled version of Firefox with apache/php and my application. So manual operation on each computer is not a solution. I try Resource Hacker and it's the good solution. The add ons one is good too.

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• Does "opening a file" mean loading it completely into memory?

  - by mystify

  There's an AudioFileOpenURL function which opens an file. With AudioFileReadPackets that file is accessed to read packets. But one thing that stucks in my brain is: Does AudioFileOpenURL actually load the whole monster into memory? Or is that a lightweight operation? So is it possible to read data from a file, only a specific portion, without having the whole terabytes of stuff in memory?

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• Using a model to represent the overall state of a view

  - by James P.

  Is there a standard practise for representing the state of a user interface that is not linked to a single Component? For example, a Swing interface could have a series of tabs with a constraint that a single tab should only be displayed once per a given entity type (this could be represented as a HashSet). Or a message could give the result of the last operation carried out. Or a JPanel could be linked to a single entity instance for editing purposes.

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• why does "UInt64[] arr=new UInt64[UInt64.MaxValue];" throw exception ?

  - by Techee

  Why does following code throw exception "Arithmetic operation resulted in an overflow." ? UInt64[] arr=new UInt64[UInt64.MaxValue];

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• Show progress of Mercurial push/pull

  - by mmiika

  Is it possible to get Mercurial to show progress of long-running push or pull operation? Google tells me basically "no", but does somebody know better? I was expecting something like "hg pull -v"...

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• How to check if a file descriptor has any data available?

  - by StackedCrooked

  I'd like to know if a fd has data available for reading. I have tried ioctl with FIONREAD but that results in a "Operation not supported error". Any ideas?

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• Deleting Row Method on GridView

  - by George

  I am trying to implement the deleting method and pass my parameters for the delete operation. I am using sqldatasource. Since the ID doesnt have a column in my gridview how can I get the value of the ID and set it as my delete parameter?

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• removing items from a generic List<t>

  - by frosty

  I have the following method, I wish to remove items from my collection that match the product Id. Seems fairly straight forward, but i get an exception. Basically my collection is getting out of sync. So what is the best way to remove an item from a collection. public void RemoveOrderItem(Model.Order currentOrder, int productId) { foreach (var orderItem in currentOrder.OrderItems) { if (orderItem.Product.Id == productId) { currentOrder.OrderItems.Remove(orderItem); } } } Exception Details: System.InvalidOperationException: Collection was modified; enumeration operation may not execute

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• read files in linux from .net program?

  - by Rev

  I need to Read files form Linux , copy them into the another computer(Windows operation) and even delete file in Linux. but I want do this with .net program.!!! these file have a specific location. I need code sample or article for doing that.

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• how properly remove item from list

  - by dygi

  // tmpClientList is List<Client> type if (txtboxClientName.Text != "") foreach (Client cli in tmpClientList) if (cli.Name != txtboxClientName.Text) tmpClientList.Remove(cli); Error: "Collection was modified; enumeration operation may not execute." How can i remove items from the list, in some simple way, without saving indexes of these items in another list or array, and removing them in another place in the code. Tried also RemoveAt(index) but it's exactly the same situation, modifying when loop runs.

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• How to disallow a windows service stop

  - by Saar

  I have some security related service running on my machine (start type = automatic) In the service control manager, the stop/restart commands are grayed out. I was wondering how can I develop such service for which the stop operation is disallowed. Note that I am logged in as an administrator

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• Possible reasons for timeout when trying to access EC2 instance

  - 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 UPDATE: It is not about permissions - i can log in normally just fine. I suspect it might be because of memory issues

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• Embedded programming books

  - by Velho Kerho

  What embedded programming/design books would you suggest? With embedded I mean near to hardware programming in ASM and C/C++. I'm looking something related to best practices in embedded programming/design. Operation system could be Linux, Real Time Linux or any other RTOS.

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• Encrypt the file for security

  - by pavun_cool

  Actually I have a file . I am working in linux environment. I need to encrypt that file for secure purpose with giving the some password. The operation could be like zip , tar any compression. When I extract the file It should ask me password , only then it should get extracted Thanks in Advance

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• Updating data source on multiple pivot tables within Excel

  - by phrenetic

  Is there an easy way to update the data source for multiple pivot tables on a single Excel sheet at the same time? All of the pivot tables reference the same named range, but I need to create a second worksheet that has the same pivot tables, but accessing a different named range. Ideally I would like to be able to do some kind of search and replace operation (like you can do on formulae), rather than updating each individual pivot table by hand. Any suggestions?

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• How to execute Javascript function in C++

  - by owais masood

  Please tell me, how to include a javascript header file or javascript function in C++ code. The C++ code is written in Linux(UBUNTU)? Although i need to perform the above action only, but let me tell u my purpose of doing it, as i am intending to implement CTI (Computer Telephony Integration) operation. (Help will be appreciated) Thanks a lot in advance

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• Is this technically thread safe despite being mutable?

  - by Finbarr

  Yes, the private member variable bar should be final right? But actually, in this instance, it is an atomic operation to simply read the value of an int. So is this technically thread safe? class foo { private int bar; public foo(int bar) { this.bar = bar; } public int getBar() { return bar; } } // assume infinite number of threads repeatedly calling getBar on the same instance of foo.

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• In .NET remoting among RemotableType, Client and Server objects which objects should be run at clien

  - by shivaraj-cm

  Hi all I am new to .net remoting. I am planning to execute an application at client side and perform operation on that application and need to return the results to server. So, I am confused which one ll do the exact task.

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• getting service from wsdd via xpath not wroking (xmltask)

  - by subes

  Hi, I am trying to get the XPath "/deployment/service". Tested on this site: http://www.xmlme.com/XpathTool.aspx <?xml version="1.0" encoding="UTF-8" standalone="no"?> <deployment xmlns="http://xml.apache.org/axis/wsdd/" xmlns:java="http://xml.apache.org /axis/wsdd/providers/java"> <service name="kontowebservice" provider="java:RPC" style="rpc" use="literal"> <parameter name="wsdlTargetNamespace" value="http://strategies.spine"/> <parameter name="wsdlServiceElement" value="ExposerService"/> <parameter name="wsdlServicePort" value="kontowebservice"/> <parameter name="className" value="dmd4biz.container.webservice.konto.internal.KontoWebServiceImpl_WS"/> <parameter name="wsdlPortType" value="Exposer"/> <parameter name="typeMappingVersion" value="1.2"/> <operation xmlns:operNS="http://strategies.spine" xmlns:rtns="http://www.w3.org/2001/XMLSchema" name="expose" qname="operNS:expose" returnQName="exposeReturn" returnType="rtns:anyType" soapAction=""> <parameter xmlns:tns="http://www.w3.org/2001/XMLSchema" qname="in0" type="tns:anyType"/> </operation> <parameter name="allowedMethods" value="expose"/> <parameter name="scope" value="Request"/> </service> </deployment> I absolutely can't find out why it always tells me that my xpath does not match... This may be stupid, but am I missing something? EDIT Thanks to the answer from Dimitre Novatchev I was able to find a workaround: <xmltask failwithoutmatch="true" report="false"> <fileset dir="${src.gen}/" includes="**/*-deploy.wsdd" /> <copy path="//*[local-name()='service']" buffer="tmpServiceBuf" append="true" /> </xmltask> <xmltask failwithoutmatch="true" report="false" source="${basedir}/env/axis/WEB-INF/server-config.wsdd" dest="${build.stage}/resources/WEB-INF/server-config.wsdd"> <insert path="//*[local-name()='transport'][last()]" buffer="tmpServiceBuf" position="after" /> </xmltask> Binding namespaces with xmltask (which is the tool that gave me the headaches) seems not to be possible. The code above did the trick.

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• Preventing write into a socket before the other side accepted the request

  - by EpsilonVector

  I'm implementing an FTP like protocol in Linux (homework) and I came upon the following problem: the client may be able to connect() and write() before the other side managed to do accept() (but after it did listen()). How can I prevent the write operation from working without relying on passing messages like "accept succeeded, you can write now" in a different communication channel?

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• If I never ever use HashSet, should I still implement GetHashCode?

  - by Dimitri C.

  I never need to store objects in a hash table. The reason is twofold: coming up with a good hash function is difficult and error prone. an AVL tree is almost always fast enough, and it merely requires a strict order predicate, which is much easier to implement. The Equals() operation on the other hand is a very frequently used function. Therefore I wonder whether it is necessary to implement GetHashCode (which I never need) when implementing the Equals function (which I often need)?

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• VIM Blockwise Insert

  - by tesmar

  HI all! I would like to insert a hash at the beginning of a selected block of text in VIM (ruby comment). I selected the lines in Visual Mode, but how do I perform the same operation to all lines? Thank you in advance!

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