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• I want to split string without using split function ?

  - by Sanjeev

  I want to split string without using split . can anybody solve my problem I am tried but I cannot find the exact logic.

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• Can two managed object context share one single persistent store coordinator?

  - by mystify

  Example: I have one persistent store coordinator which uses one single persistent store. Now there are two managed object contexts, and both want to use the same persistent store. Could both simply use the same persistent store coordinator, or would I have to create two instances of NSPersistentStoreCoordinator? And if I had to, then: Would I also have to create two NSPersistentStore instances?

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• Quickest way to dump Python dictionary (dict) object to a MySQL table?

  - by NJTechGuy

  I have a dict object. I dumped the data using this: for alldata in data: # print all data to screen print data[alldata] Each field had brackets [] and 'None' values for NULLS and date.datetime for date values. How do I dump this dict to MySQL table? Thank you!

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• What is the easiest to transfer an object between two C# apps over the web?

  - by edude05

  I have written an application that basically gathers up a bunch of text and numerical data from the client PC and stores it as an object. Right now I'm implementing XML serialization so that the file can be saved. The issue is now, how do I get this data to the server? I have a server running IIS 7 setup but I don't quite understand the ASP.net life cycle, so I'm not sure how to implement the receiving app. What should I do? Thanks

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• How to convert a DataTable to a string in C#?

  - by Mark Allison

  Hi there, I'm using Visual Studio 2005 and have a DataTable with two columns and some rows that I want to output to the console. I hoped there would be something like: DataTable results = MyMethod.GetResults(); Console.WriteLine (results.ToString()); What's the best way (i.e. least amount of coding from me) to convert a simple DataTable to a string? Thanks, Mark.

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• How to train software so it recognize the kind of object shown in a picture ?

  - by carl

  I want to detect one kind of object such as person in the picture, who can tell me how to training a kind of people classifier for use,so we can use the classifier to detect people in any picture.

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• launch the emulator, I only see the black window with the string 'ANDROID", and no more desktop and

  - by Jiawelin

  Dear experts, I download the Android code and "make sdk" to build out my own SDK, but the emulator from this SDK does not work well -- it only shows the black window with the "ANDROID" string, but I can't see any desktop picture or any applications. what's wrong here? anyone could please provide me a hint? Thanks a lot. I use the command: $./emulator @jiawelin -debug all and the last output message is: emulator: android_hw_control_init: hw-control qemud handler initialized

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• How to check if the given string is palindrome?

  - by Prakash

  Definition: A palindrome is a word, phrase, number or other sequence of units that has the property of reading the same in either direction How to check if the given string is a palindrome? This was one of the FAIQ [Frequently Asked Interview Question] a while ago but that mostly using C. Looking for solutions in any and all languages possible.

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• What is a good way to ensure the background of a flash object matches the page?

  - by George Edison

  Since there is no way that you can make the flash object transparent, there needs to be some other means by which you can match the background. I thought of maybe creating a ActionScript/Javascript bridge, but I wonder if this is the route to take. Do I have a better option?

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• How do I convert a unicode to a string at the Python level?

  - by Thierry Lam

  The following unicode and string can exist on their own if defined explicitly: >>> value_str='Andr\xc3\xa9' >>> value_uni=u'Andr\xc3\xa9' If I only have u'Andr\xc3\xa9' assigned to a variable like above, how do I convert it to 'Andr\xc3\xa9' in Python 2.5 or 2.6?

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• How to check if object has any properties in JavaScript?

  - by Ricky

  Assuming I declare var ad = {}; How can I check whether this object will contain any user-defined properties?

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• Is it possible to call an object method this way in C++?

  - by Goose Bumper

  Here's my class definition: class A { public: void do_lengthy_work() { cout << "working." << endl; } }; I have an object of type A, and I want to call do_lengthy_work() on it: A a; a.do_lengthy_work(); Is it also possible to call the same method using some variant of the following? A::do_lengthy_work(a);

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• C++: Saving the class object in archived format which is having char * attributes and read it back f

  - by Manjunath

  Hi all, Assume I have a class class A { char *attr1,*attr2; public: . . . }; How to save the object of this class to file in a binary format and read it back? Thanks.

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• It is good programming practice to always check for null pointers before using an object in C++?

  - by jm1234567890

  This seems like a lot of work; to check for null each time an object is used. I have been advised that it is a good idea to check for null pointers so you don't have to spend time looking for where segmentation faults occur. Just wondering what the community here thinks?

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• In which situations does a managed object context have changes?

  - by dontWatchMyProfile

  In which situations does a managed object context have changes? What can happen that -hasChanges returns YES?

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• Javascript regex to match a string that ends with some characters but not with a particular combinat

  - by nimcap

  Let's say using Javascript, I want to match a string that ends with [abcde] but not with abc. So the regex should match xxxa, xxxbc, xxxabd but not xxxabc. I am utterly confused.

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• Using MSBuild, how to construct a dynamic string from iterating over files in an ItemGroup?

  - by RyBolt

  I need to create multiple /testcontainer: parameters to feed into a task that exec's MsTest. I have the following : <ItemGroup> <TestFiles Include="$(ProjectPath)\**\UnitTest.*.dll" /> </ItemGroup> for each match in TestFiles I would like to build a string like so: "/testcontainer:UnitTest.SomeLibrary1.dll" "/testcontainer:UnitTest.SomeLibrary2.dll" "/testcontainer:UnitTest.SomeLibrary3.dll" I am trying to use the internals of MSBuild without having to create a custom task, is this possible ? TIA

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• Why cast null before checking if object is equal to null?

  - by jacerhea

  I was looking through the "Domain Oriented N-Layered .NET 4.0 Sample App" project and ran across some code that I do not understand. In this project they often use syntax like the following to check arguments for null: public GenericRepository(IQueryableContext context,ITraceManager traceManager) { if (context == (IQueryableContext)null) throw new ArgumentNullException("context", Resources.Messages.exception_ContainerCannotBeNull); Why would you cast null to the type of the object you are checking for null?

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• Breaking up in String data while XML parsing in java?

  - by Praveen Chandrasekaran

  while xml parsing, i have a string value like this : android &#38; iphone but my parsed value(output what i am getting) is just: android then i used the normalize method it comes : android iphone But i need a output like: android & iphone How to do that? Any Idea?

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• [PHP]: Why "\" gives error while storing it in string?

  - by RPK

  My string looks like: $fullPath = $dirName . "/" . $file; If I replace / with \, it gives error: "Expecting identifier or variable". I want to store in the latter way itself. How to override anything coming in between?

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• How one can add a new key:value pair in existing JSON object through Javascript.

  - by basit74

  I have a JSON Struct like appointerment= {ids: '15,16,17', appointments: {'15': '12.05.2010,14,05,2010'} } now in appointments object I want to add something like '16', '21.05.2010' what is the best possible way to do this.

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• The type of the argument object [type] is not primitive.

  - by Abstract

  I'm trying to create a simple Guestbook web service using ASP.NET WebServices. When trying to serialize a list of objects, I get the following exception: System.InvalidOperationException: The type of the argument object 'GuestBookService.GuestBookEntry' is not primitive. How can I fix this error?

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• Is there a Pattern in Scala that add a method to an Array object?

  - by Fred Haslam

  Is there a Pattern in Scala that can add a method to an Array object? I am thinking of the implicit conversion of Int to RichInt. But that can't be done as Array is a final class.

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• What's the difference between String.matches and Matcher.matches?

  - by Wing C. Chen

  What's the difference between String.matches and Matcher.matches? Is there any difference in terms of performance or other things?

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• How to get search results in grails if you have the domain (model) name stored in a string

  - by Shekhar

  I have a method which has domain name as a String parameter. def modelName="Equity" I want to use it like def results=modelName.findAll() Please guide me!

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