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• Map to String in Java

  - by Dan

  When I do System.out.println(map) in Java, I get a nice output in stdout. How can I obtain this same string representation of a Map in a variable without meddling with standard output? Something like String mapAsString = Collections.toString(map)?

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• display images as displayed in iphone music album when seen in landscape mode??

  - by hemant

  i wanted to show my images in a similar way as we get to see different album names in our iphone player in landscape mode....is that possible??

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• How to disable checkbox one after another?

  - by spotlightsnap

  I have two checkboxes with different names: <input type="checkbox" name="checkbox1" value="checkbox1"> <input type="checkbox" name="checkbox2" value="checkbox2"> I'd like to implement code where when checkbox1 is checked, checkbox2 is disabled and when checkbox2 is checked, checkbox1 is disabled. When it's unchecked, it should enable the other back as well. How can I achieve with jQuery or JavaScript?

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• Values of Integers and Calculations

  - by inferno2991

  Say you have a variable n1 which will be the value of three digits entered how can i then without knowing what exactly will be input split n1 into 3 seperate integers to do futher calculations with?

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• Formulate POST request in curl

  - by user1867256

  I'm using curl to send POST request to web service http ://localhost 2325//Service How can I desirialize body of the POST request into a variable which I could then access within my POST method ? Can someone give me an example? This is my method [WebInvoke(RequestFormat = WebMessageFormat.Json, UriTemplate = "/user", Method = "POST")] public void Create(User us) Class User contains user_id and user_name. Can anyone please help? All I need is an example how to formulate POST request in curl Thanks

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• difference between #define and enum{} in C

  - by guest

  when should one use enum {BUFFER = 1234}; over #define BUFFER 1234 ? what are the advantages enum brings compared to #define? i know, that #define is just simple text substitution and enum names the constant somehow. but why would one need that at all?

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• Search within HTML files

  - by SKk

  Hi Forum, In my iPhone project,I have number of HTML files having different textual and image contents within each file. I need to implement search facility which would return results (HTML file names) having matched keyword. Can anybody have any clue, how can I achieve this? Thanks

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• Is there a good Python library that can parse C++?

  - by csbrooks

  Google didn't turn up anything that seemed relevant. I have a bunch of existing, working C++ code, and I'd like to use python to crawl through it and figure out relationships between classes, etc. EDIT: Just wanted to point out: I don't think I need or want to parse every bit of C++; I just need something smart enough to pick up on class, function and member variable declarations, and to skip over function definitions.

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• How can I replace all occurrences of a dollar ($) with an underscore (_) in javascript?

  - by Ryan Tomlinson

  As the title states, I need to relace all occurrences of the $ sign in a string variable with an underscore. I have tried: str.replace(new RegExp('$', 'g'), '_'); But this doesn't work for me and nothing gets replaced.

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• What does “@public” mean in Objective-C?

  - by Ty

  After reading a question on @private I understand how that works. However, since all variables default to @protected and you cannot really access a variable without defining an accessor, what exactly does @public do? When would you use it?

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• 'if' in prolog?

  - by jreid9001

  Probably a stupid question, but I can't find any documentation anywhere for it. Is there a way to do an if in prolog, e.g. if a variable is 0, then to do some actions (write text to the terminal). An else isn't even needed, but I can't find any implementation of if.

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• Is there a way to compare date "strings" in C# without converting the strings?

  - by Kevin

  I have two fields: string date1 = "04/26/10"; string date2 = "04/25/10"; How can I compare these two fields like so?: if (date2 <= date1) { // perform some code here } Can this be done without first converting the fields to a separate date-type variable?

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• Works on development server but it doesn't on Google App Engine (Sessions).

  - by grep

  Hi, I have this code that works just fine on the development server but when I deploy the application, the session isn't created. What am I doing wrong? HttpSession session = req.getSession(true); session.setAttribute("loggedIn", new String("true")); Edit: The sessions are enabled. What I realized now is that the _ah_SESSION variable is not being created, not even on the development server (although it works).

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• Making one value "special"

  - by SplashHit

  What is the "computer science" term for the practice of assigning a special meaning to one of a type's values. For example a numeric variable called "amount_to_transfer" where the special value "0" means "entire account balance" or a date value "spouse_date_of_birth" where "1/1/1800" means "unmarried". I happen to feel that this is quite a bad "smell", but I'd like to have a name for it, and if possible, some blog post or article about why it's bad and how to fix it.

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• How to read _popen directly without piping it to file?

  - by karikari

  How can I write the output of this line of code to a float variable instead of piping it to a file? The output of this line is a floating number. FILE *child = _popen("java -jar c:\\simmetrics.jar c:\\chtml.txt c:\\thtml.txt", "r");

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• Matching part of website with a regexp.

  - by richardverbruggen

  With a cURL request I load a complete website into a variable: $buffer. In the source of the site there are two labels in between which my relevant content is placed. ****** bunch of code ******* <!-- InstanceBeginEditable name="Kopij" --> this part I want to store in a match <!-- InstanceEndEditable --> ****** bunch of code ******* I've been messing around with preg_match and its regexp. Can someone try to help me? Thanx in advance.

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• Sending multiple checkbox options

  - by Grunje_D_D

  Hi, I'm creating a used cars website (written in PHP), and I'm stuck on sending advanced search options from form. I have more than 30 of them and I wonder if it's possible, and how, to send them in one variable (for example &options=1,2,3,5,6,10 or some other way..). Also I've heard that this is possible with "bitwise" but I don't have a clue how to do that. Or if someone have a better idea, please let me know. Thanx

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• In PHP: Declaring an array or initializing an array?

  - by idrinkbeertopeesquirrrrrr

  Technically speaking, how would you call creating a variable of the array type (ie. $arr= array();): declaring an array or initializing an array?

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• asp.net selecting a checkbox from the grid view

  - by baburam

  i am trying to get checkbox value ,using c# In grid view the datasource is from oracle i have added the checkbox but the value is not coming please help me in checking the value of check box this is for selecting the candidate if the checkbox is selected the particular candidate name is selected and the candidate names are appended in a string

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• How to validate if an HTMLLIElement is hidden with jQuery

  - by Hanzel

  I'm iterating through a variable called content, it contains several HTMLLIElement objects. How can i use jQuery's or JavaScript's functions with this object?, what I'm trying to do is the kind of validation written in the commented code. $.each(content, function(index, value){ //if(!value.is(':hidden')){ console.log(index + ' : ' + value); //} }); What I'm getting is Uncaught TypeError: Object # has no method 'is' If I do value.getAttribute('style'); I get 'display: none;'

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• Is there a static code analyzer [like Lint] for PHP files?

  - by eswald

  Is there a static code analyzer for PHP files? The binary itself can check for syntax errors, but I'm looking for something that does more, like unused variable assignments, arrays that are assigned into without being initialized first, and possibly code style warnings. Open-source programs would be preferred, but we might convince the company to pay for something if it's highly recommended.

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• startsWith using error in java

  - by user1838839

  defined variable: LinkedList list1=new LinkedList(); Object get() in list1 obtains a node of list1 Object remove() in list1 deletes a node of list1 count() is length of list1 for(int i=1;i<list1.count();i++){ if(list1.get(i).startsWith('"',0)) //Error here list1.remove(i); } Error: cannot find symbol symbol: method charAt(int) location: class Object how to fix this problem? I would like to delete the node in list1 which starts with (").

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• php: avoiding __get in certain circumstances?

  - by user151841

  I have a class where I'm using __set. Because I don't want it to set just anything, I have an array of approved variables that it checks before it will actually set a class property. However, on construct, I want the __construct method to set several class properties, some of which are not in the approved list. So when construct happens, and I do $this->var = $value, I of course get my exception that I'm not allowed to set that variable. Can I get around this somehow?

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• Get the value of <option> from views to the controller

  - by Godwin

  Since html do not have the attribute 'name',I am looking for a way to accept the value of , which I populated in views, in the controller and assign it a variable name for another use.

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• Is there a way to group `<li>` elements?

  - by Itay Moav

  I need to divide into groups several <li> elements in a list, is it possible? (I know I an give each element different class names/separate into different <ul>)

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