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• Serialization of an object

  - by sandhya

  Hi I am Serialing an object using GetObjectData(SerializationInfo info, StreamingContext context) { info.AddValue("string1",subobject1); info.AddValue("string2",subobject2); } what will be stored in stream? do the strings also store?

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• HTML tags in ojective c programming

  - by user1661826

  Is there any function in Objective-C to print a list of elements as unordered HTML elements. For ex - [@"a--b-c---d" htmlList: @"--"] returns @ "ab-c-d" the "--" is the delimiter to seperate the string of elements. I have used NSSArray to store the input string and function componentsSeperatedByString:@"--" to get the elements. How do I go ahead in adding the HTML tags li and /li between elements and ul and /ul at the end of the entire list? Please help, Im a beginner in objective -C

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• C# - Fast and simple multi dimensional data structures?

  - by Jeremy Rudd

  I need to store multi-dimensional data consisting of numbers in a manner thats easy to work with. I'm capturing data in real time, and once processed I would destroy and GC older data. This data structure must be fast so it won't hit my overall app performance. The faster the better. What are my choices in terms of platform supported data structures? I'm using VS 2010. and .NET 4.

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• Get full name of an artifact in Maven

  - by Maurits Rijk

  I need to know the complete filename of a specific artifact in Maven. I looked at versions-maven-plugin but it seems to change the pom itself. Is there another way to reach my goal? I want to store the complete artifact name in a property so I can pick it up in Java code.

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• Converting Dropdown list to int

  - by ar31an

  hello mates i am trying to store value from dropdown list to an integer but i am getting an exception Input string was not in a correct format. int experienceYears = Convert.ToInt32("DropDownList1.SelectedValue"); please help.

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• Flushing JDBC connection pools

  - by Matt

  Does anyone know the best (or any) way to flush a JDBC connection pool? I can't find anything obvious in the documentation. It appears connection pools aren't meant to ever be deleted. My current thought is to delete all DataSources from the hash we store them in, which will trigger our code to make new ones. However, my first attempt throws a ConcurrentModificationException.

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• Is Cassandra database row size limited by available memory?

  - by Adam Hollidge

  I'm working with very long time series -- hundreds of millions of data points in one series -- and am considering Cassandra as a data store. In this question, one of the Cassandra committers (the über helpful jbellis) says that Cassandra rows can be very large, and that column slicing operations are faster than row slices, hence my question: Is the row size still limited by available memory?

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• jQuery: How can I work with dates in this format? mm/yyyy

  - by Enrique

  I'm doing a web application for articles Articles must be shown by month, with its published date stored as mm/yyyy Now: 1- Should I use a DATE type field for storing? 2- Will jQuery UI datePicker be useful for showing mm/yyyy? 3- How could I sort by mm/yyyy? I guess it will be more complicated if I store date normally and extract the day from date each time I want to do something, right? Thanks,

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• i find a problem using atoi() method in ansi c?

  - by khurshid

  i have a string initialized by {'\0'} every time i a loop and store some chars in it ranging from 0 to 9 when i convert atoi(temp) where temp="2" it returns me 20 instead of 2 what i have to do to get the accurate values, help required.

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• C# - Password Database

  - by user335932

  So I want to make a program that allows you to store and search for user names/passwords for online sites there signed up to. I know C# has some database options but I don't know much about it. I also heard that it can read/write excel files. Whats do you think is best for storing the data? ALSO do databases need to be stored online on a sever, or can they reside in the program files?

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• How to perform an action when file changed?

  - by ZeissS

  Hi, I want to create a script that checks an URL and perform an action (download + unzip) when the "Last-Modified" header of the remote file changed. I thought about fetching the header with curl but then I have to store it somewhere for each file and perform a date comparison. Does anyone have a different idea using (mostly) standard unix tools? thanks

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• Log files legal aspect?

  - by relwarc

  I like data. That is why I add a standalone PHP script which logs all relevant HTTP variables like: Date of visit IP User-agent Request URI Referer Am I allowed to store all this in non-public text files? Am I allowed to evaluate the data? What am I allowed to do with the log files? Do I have to delete them after some time?

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• How to redirect the output of a system call to inside the program in C/C++?

  - by debugger

  Hi All, I'm writing a program in C++ which do some special treatment for all the files in the current directory on Linux OS. So i was thinking of using system calls such as system("ls") to get the list of all files. but how to store it then inside my program ? ( how to redirect the output of ls to let's say a string that i declared in the program ) Thanks

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• Why (and when to) use stored procedures?

  - by mr.b

  What would be appropriate scenario when stored procedures should be used? I stumbled upon implementation where almost whole data manipulation was handled by store procedures, even simplest form of INSERT/DELETE statements were wrapped and used via SP's. So, what's the rationale for using stored procedures in general? Sorry for such a beginners question..

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• Is SQLlite strong enough to use as wordpress database ?

  - by justjoe

  i'm just curious. so i ask this particular question about SQLite. I haven't use this type of database extensively. but care to explain what is the basic different between SQLite and Mysql ? The reason behind all of this is i just want to know whether it possible to use it to store wordpress data and act as a database ?

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• How to structure a table for additional data if a particular value of an enum/lookup table is chosen

  - by Soliah

  I'd like to store additional data if a particular value is chosen in the enumerated or looked-up column in a table. The obvious option is to have an extra column in the table, but this will lead to a mostly empty column and seems to be like bad approach. Is there another option/method of doing this?

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• Is it possible to make ListView display a text obtained through its ListViewItem.Tag?

  - by Dimitri C.

  I'd like to fill System.Windows.Forms.ListView with the items I've stored in a separate System.Collections.Generics.List<. I would like to avoid to store the data twice, once in the List< and once as a string in ListViewItem. Is there a way to make ListViewItem use some callback function to obtain the text to put in its columns from the Tag property, instead of using its Text property?

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• jquery to recognize and make hyper links

  - by user349223

  Anyone have a clue how I can use Jquery to find: http:// or www. and ends with .com, .org, .edu store that as a variable and wrap it in <a href="variable"> <a/> So I have a textarea and when people put in links, I would like to then make them into hyperlinks once they are posted. Make sense?

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• Appropriate collection for variable-depth list?

  - by George R

  If I wanted to have a collection that described the (recursive) contents of a root directory, including directories and files, how would I store them? Or do I need to come up with an object that holds: -Current directory -Parent directory -Files in directory ..and slap them all in one big list and manually work out the relationship at runtime from each entries Parent directory.

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• MS Sql Server Object Creation / Alter Script

  - by Chris Klepeis

  Hi, In Sql Server when you select to modify a SP or UDF it loads the objects alter query in a query window. Are these queries accessible in a system table so I can store the alter statements somewhere? It looks like syscomments has some objects but not all of them. Thanks

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• Why can't c# calculate exact values of mathematical functions

  - by Timo Willemsen

  Hey everyone, Why can't c# do any exact operations. Math.Pow(Math.Sqrt(2.0),2) == 2.0000000000000004 I know how doubles work, I know where the rounding error is from, I know that it's almost the correct value, and I know that you can't store infinite numbers in a finite double. But why isn't there a way that c# can calculate it exactly, while my calculator can do it. Edit It's not about my calculator, I was just giving an example: http://www.wolframalpha.com/input/?i=Sqrt%282.000000000000000000000000000000000000000000000000000000000000000000000000000000001%29%5E2 Cheers

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• jpa relationship-Google app engine

  - by megala

  I created two tables in google appengine datastore using JPA. Table1: *groupname pk *groupid *groupdesc *emailper Table2: *groupname *memberid *membername My constraint is if i enter data into table2 it check whether group already exists or not in table.If exists than only it store the data into table .How to solve this?

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• Date type in oracle does not include time values

  - by Matt

  I have a PHP application using an Oracle XE database. Whenever I add a date the hours minutes, and seconds seem to get left out. Is there some special format, or type I should use to be able to store this? I have tried using to_date, and specifying the format I am using. Many thanks for any suggestions from this confused MySql dveloper.

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• Authenticating users in iPhone app

  - by Myron

  I'm developing an HTTP api for our web application. Initially, the primary consumer of the API will be an iPhone app we're developing, but I'm designing this with future uses in mind (such as mobile apps for other platforms). I'm trying to decide on the best way to authenticate users so they can access their accounts from the iPhone. I've got a design that I think works well, but I'm no security expert, so I figured it would be good to ask for feedback here. The design of the user authentication has 3 primary goals: Good user experience: We want to allow users to enter their credentials once, and remain logged in indefinitely, until they explicitly log out. I would have considered OAuth if not for the fact that the experience from an iPhone app is pretty awful, from what I've heard (i.e. it launches the login form in Safari, then tells the user to return to the app when authentication succeeds). No need to store the user creds with the app: I always hate the idea of having the user's password stored in either plain text or symmetrically encrypted anywhere, so I don't want the app to have to store the password to pass it to the API for future API requests. Security: We definitely don't need the intense security of a banking app, but I'd obviously like this to be secure. Overall, the API is REST-inspired (i.e. treating URLs as resources, and using the HTTP methods and status codes semantically). Each request to the API must include two custom HTTP headers: an API Key (unique to each client app) and a unique device ID. The API requires all requests to be made using HTTPS, so that the headers and body are encrypted. My plan is to have an api_sessions table in my database. It has a unique constraint on the API key and unique device ID (so that a device may only be logged into a single user account through a given app) as well as a foreign key to the users table. The API will have a login endpoint, which receives the username/password and, if they match an account, logs the user in, creating an api_sessions record for the given API key and device id. Future API requests will look up the api_session using the API key and device id, and, if a record is found, treat the request as being logged in under the user account referenced by the api_session record. There will also be a logout API endpoint, which deletes the record from the api_sessions table. Does anyone see any obvious security holes in this?

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• Win2k3 password Authentication using LDAP in VC++

  - by user001

  Hi, I need to implement the Win2k3 password validation policy. As my application resides on Win2k3 cane we validate the password directly with windows domain password by using LDAP. This is because application design does not want to store 8/more password entry into DB and validate new password against that. As Windows already does same thing and using LDAP we can lookup into windows server. Can any one please let me know LDAP API to fulfill above requirement in VC++.

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