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• `export PS1='value'` does not propagate to (Korn) subshells for root?

  - by user319845

  Please consider the following /root/.profile: export PS1=value1 export x=value2 How come the login shell shows the expected prompt (and $x as value2), while the subshells keep showing $x as value2 but $PS1 as '#'? Just in case, I'm trying this under OpenBSD. [Yeah, I know... What on earth am I doing with OpenBSD if I don't know this? Just toying... in an isolated, most definitely non-production VM =).]

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• Is <div> always better than <table>, even to make any design where data is not tabular, only looks l

  - by metal-gear-solid

  Possible Duplicate: Tables instead of DIVs I'm making a site using Purely semantic HTML and CSS but for one design which is Not tabular data but only possible with <table> or with lots of <div> then what we should choose? in this case is div more semantically correct or table?

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• How do I identify or know which control is being referenced in a method?

  - by just_another_coder

  In my specific case, how do I identify or know which UITextField is being referenced in shouldChangeCharactersInRange method? I know the parameter (UITextField*)textField contains the object being referenced, but how do I compare to identify which one it is?

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• How to find whether an element exists in std::map?

  - by Vincenzo

  My use case: map<string, Car> cars; bool exists(const string& name) { // somehow I should find whether my MAP has a car // with the name provided return false; } Could you please suggest the best and the most elegant way to do it in C++? Thanks.

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• sql query help join (i think)

  - by milan

  I am having trouble figuring our how I can get results only when products.published, product_types.published, and product_cats.published = 1 but my query isn't working. Please help: SELECT `products`.`title`, `products`.`menu_id`, `products`.`short_description`, `products`.`datasheet_icon`, `products`.`datasheet`, `products`.`ordering`, `products`.`product_type_id`, CASE WHEN CHAR_LENGTH(`products`.`alias`) THEN CONCAT_WS(':', `products`.`id`, `products`.`alias`) ELSE `products`.`id` END AS slug FROM `products`, `product_cats`, `product_types` WHERE `products`.published=1 AND `product_cats`.published=1 AND `product_types`.published=1 AND `products`.`product_cat_id`='42' AND `product_types`.`id` IN (1,40,48,49,50) GROUP BY `products`.`id` ORDER BY `product_types`.`ordering`, `products`.`ordering`

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• Use a specific database depending on condition

  - by nimo

  Can I somehow use a specific database given a specific condition? To clarify I will give a naive example: CASE WHEN @dbnum = 1 THEN USE Db1 ELSE USE DefaultDb END

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• MySQLi - Should every statement be prepared?

  - by Kerry

  I know its supposed to improve performance and clean strings, but lets say there are no variables? Might just be a SELECT COUNT( `column` ) AS count FROM `table` Should that be prepared? Is there any case that a SELECT statement should not be prepared?

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• regex part of url

  - by kyle

  So I'm trying to get the id from a url for youtube.. here is the url http://gdata.youtube.com/feeds/api/videos/kffacxfA7G4/related?v=2 then there's also - in the url too. it wouldn't let me post another url but it's the same as above but with the id ucvkO0x-mL4 how can I grab between videos/ and /related (the id) with regex? I tried to use txt2re.com which is what I always use, but it's not working for this case.. thanks!

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• What is the rationale for difference between -> and . in c/c++ ?

  - by Good Person

  I know the difference between the member operator (.) and the member by pointer operator (-). Why did the C designers create a different operator for this access? Why can't the compiler figure it out on its own? If you always used a . does any case exist where it is ambiguous whether you mean a member or a member by pointer?

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• Inserting Cells Into A Table ?

  - by lentlesoup

  How do i go about inserting a cell into a table? For example, i retrieve data from a database using MySql and PHP, how do i then go about inserting a cell into an already scripted table? In my case, how would i insert a cell into a row 150 pixels from the start of the row? example: ___________________________________________ | <--150px--> |cell| |

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• Jquery live() vs delegate()

  - by PeeHaa

  I've read some posts here and on the web about the differences of live() and delegate(). However I haven't found the answer I'm looking for (if this is a dupe please tell me). I know the difference between live and delegate is that live can not be used in a chain. As I also read somewhere delegate is in some case faster (better performance). So I am wondering is there a situation where you would use live instead of delegate?

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• Why are scrollbars appearing on my site on mobile devices?

  - by kcgolden

  I'm trying to make a small project site that's responsive using twitter-bootstrap and ember.js. It looks great on desktop and mostly scales to mobile devices except for one thing: x and y scrollbars appear on my android phone for the page. I don't know if this is the case on iPhone because I don't have one available at the moment. My site is here Can anyone see anything obvious in the inspector?

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• DirectorySearch.PageSize = 2 doesn't work

  - by Bero

  using (DirectorySearcher srch = new DirectorySearcher(String.Format("(memberOf= {0})",p_Target.DistinguishedName))) { srch.PageSize = 2; SearchResultCollection results = results = srch.FindAll(); int count = results.Count; } count = 3 (THREE) and not 2. Why is that? I don't want to have all results in just one page. I know that PageSize = 2 is silly small but I set that value in this case just for testing purpose (in reality it will be more).

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• Why Pointers in C++?

  - by viswanathan

  Why do we actually need pointers in C++. Why can we just live with Arrays? Or is it really powerful in the case of data structures like linked lists and binary trees.

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• python floating number

  - by zhack

  i am kind of confused why python add some additional decimal number in this case, please help to explain >>> mylist = ["list item 1", 2, 3.14] >>> print mylist ['list item 1', 2, 3.1400000000000001]

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• C++ constructor behavior

  - by lastzebranky

  I'm declaring an instance of a class like so: Matrix m; This appears to implicitly initialize m (i.e. run the constructor). Is this actually the case?

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• what to do if we want javascript to be executed first then the php post method i.e submitting

  - by user1447589

  For example: I want to accept or reject a photo. The input button for accept and the form is: <form method="post" action="viewRequests.php"> <input type="submit" onClick="showAlertBox()"> </form> showAlertBox() is a javascript function which shows a confirmation dialog with Yes or No. If I choose No then the form submission should not be triggered. what to do in this case

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• problem in DataTextFied

  - by ZiGi

  i know that the syntax for usin DataTextField is : VA.DataTextField = "nameofcolum" but if my request is not simple that mean my request return the result in a colum wich not exist in this case what i should to affect to DataTextField

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• how to substract two sums based on different field values in one table (view)

  - by user1749640

  example: i need the numbers of which the sum of the amount where id = 1 is not equal of the sum of the amount where id < 1, together with the id's and difference. The table (view in this case) may look like this: NUMBER AMOUNT ID 0001 500 1 0001 500 2 0002 400 3 0003 299 1 0003 300 3 0003 300 3 Many thanks for your help on this one.

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• XML Document straight to Stored Proc Mapping in NHibernate

  - by ZekeTheGeek

  Hello. I'm building a mechanism to take XML data from a queue and call stored procs to save the data from the XML document directly to the database. This seems like something that NHibernate could address, but of course most of the information I find discusses going from objects to database instead of another data format (XML, in this case). Is there a way to use NHibernate in this fashion or am I barking up the wrong tree? Thanks.

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• treating paramater as literal

  - by I__

  DoCmd.TransferText acImportDelim, Import-Accounts, "tableImport", _ "C:\Documents and Settings\accounts.txt", True The second parameter: Import-Accounts is the actual name of the saved import specifications. supposedly it does NOT need to be in quotes; however in this case since there is a - there it is treating it as if i were doing an operation. is there a way i can force it to treat it literally instead of as an operation?

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• Sorting by value with ORDER BY?

  - by Kevin

  For clarification, are you able to use MySQL this way to sort? ORDER BY CompanyID = XXX DESC What I am trying to do is use one sql query to sort everything where X = Y, in this case, where CompanyID = XXX. All values where CompanyID is not XXX should come after all the results where CompanyID = XXX. I don't want to limit my query but I do want to sort a particular company above other listings.

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• Show block on nodes the user can edit?

  - by wgrunberg

  What block visibility PHP snippet would show a block only on node pages that the loged-in user can edit? The user may not own the node. In my case, I want to show the Content Complete block to people who can actually populate missing fields.

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• Restler RC3 Install

  - by user1769713

  Is there a way to 'copy and paste' the RC3 to my host without having to run 'make composer-install'? Unfortunately my host is lousy and doesn't allow for this. Restler 2 was as easy to install as putting the files into a directory and making a few config changes. That doesn't appear to be the case anymore. I love Restler 2 but need the functionality offered in RC3. Any insight is greatly appreciated!

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• render (and redirect_to) should somehow terminate the processing of an action?

  - by piemesons

  def update @user = User.find(params[:id]) if @user.update_attributes(params[:user]) render :action => show end render :template => "fix_user_errors" end The previous code will generate an error (because render is called twice) in the case where update_attributes succeeds. The act of calling render (and redirect_to) should somehow terminate the processing of an action?But its not why?

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