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• How to handle this "session failed to write file" error in PHP?

  - by alex

  I am using the Kohana 3 framework, and am using the native session driver. For some reason, occasionally the sessions fail to write to their file. Warning: session_start() [function.session-start]: open(/tmp/sess_*****, O_RDWR) failed: Permission denied (13) in /home/site/public_html/system/classes/kohana/session/native.php on line 27 I am pretty sure Kohana has its own in built error handler, but it is not triggered with this error (i.e. it shows up like a normal PHP error, not the Kohana error). Anyone that has ever used Kohana will notice this seems to have bypassed Kohana's error handling (perhaps set with set_error_handler()). Is there anyway to stop this error from appearing without switching from the native session (i.e. file based) driver? Should I just give good practice the boot and append an @ error suppressor to session_start() in the core code of Kohana? Should I relax the error_reporting()? Thanks

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• How to ReHash a password stored into my Database ? (PHP)

  - by Vincent Roye

  Hi! I have some passwords encrypted in my database and I would like to find a way to display them. Here is how they are saved into my mysql database: function generateHash($plainText, $salt = null){ if ($salt === null) { $salt = substr(md5(uniqid(rand(), true)), 0, 25); } else { $salt = substr($salt, 0, 25); } return $salt . sha1($salt . $plainText); } $secure_pass = generateHash($this->clean_password); Then $secure_pass is saved into my database. Anyone would have an idea ?? Thank you very much ;)

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• Specifying routes by subdomain in Express using vhost middleware

  - by user730569

  I'm using the vhost express/connect middleware and I'm a bit confused as to how it should be used. I want to have one set of routes apply to hosts with subdomains, and another set to apply for hosts without subdomains. In my app.js file, I have var app = express.createServer(); app.use...(middlware)... app.use(express.vhost('*.host', require('./domain_routing')("yes")); app.use(express.vhost('host', require('./domain_routing')("no")); app.use...(middlware)... app.listen(8000); and then in domain_routing.js: module.exports = function(subdomain){ var app = express.createServer(); require('./routes')(app, subdomain); return app; } and then in routes.js I plan to run sets of routes, dependent on the subdomain variable passed in is "yes" or "no". Am I on the right track or is this not how you use this middleware?

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• SWIG: Throwing exceptions from Python to C++

  - by wheaties

  We've got an interface we've defined in C++ (abstract class, all functions pure virtual) which will be extended in Python. To overcome the cross-language polymorphism issues we're planning on using SWIG directors. I've read how to catch exceptions thrown from C++ code in our Python code here, here, here, and even on SO. It's fairly straight forward and I'm not expecting issues with handling our library's own exceptions. What I'd like to know and can't seem to find in the documentation is how to have our Python implementation of the extended C++ interface throw those C++ exceptions in a way that makes them visible to the C++ code. We could make small functions within the *.i files such that each function throws our exceptions: void throw_myException(){ throw MyException; } but I'm wondering how it will interact with the Python code. Anyone have any experience with throwing C++ exceptions from Python code?

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• Reading a series of input / output in Python

  - by PulpFiction

  Hello everyone. For my app, I need to print out a series of outputs and then accepts inputs from the user. What would be the best way of doing this? Like: print '1' x = raw_input() print '2' y = raw_input() Something like this, but it would go on for at least 10 times. My only concern with doing the above is that it would make up for poor code readability. How should I do it? Should I create a function like this: def printOut(string): print string Or is there a better way?

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• jquery dynamically genearate element id in a loop

  - by phil

  This is a loop in a function intending to create elements <li> and give each <li> an unique id. But it's not working. I suspect it's a simple syntax error with the use of quote in .attr(). But I can't get a straight answer from Google. for (i=0;i<array.length;i++) { //create HTML element of tag li $('#suggest').append("<li></li>"); $("li").attr("id",'li'+i); $('#li'+i).html(array[i]); }

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• Putting a variable name = value format in Ruby

  - by Calm Storm

  Hi, I would like to add some debugs for my simple ruby functions and I wrote a function as below, def debug(&block) varname = block.call.to_s puts "#{varname} = #{eval(varname,block)}" end debug {:x} #prints x = 5 debug {:y} #prints y = 5 I understand that eval is evil. So I have two questions. Is there any way to write that debug method without using eval? If NO is there a preferred way to do this? Is there any way to pass a list of arguments to this method? I would ideally prefer debug {:x, :y. :anynumOfvariables}. I could not quite figure out how to factor that into the debug method (i.e, to take a list of arguments)

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• MACRO Question: Returning pointer to a certain value

  - by Andrei Ciobanu

  Is it possible to write a MACRO that has a type and a value as its input parameters (MACRO(type,value)), and returns a valid pointer to a location that holds the submitted value. This macro should perform like the following function, but in a more generic manner: int *val_to_ptr(int val){ int *r = NULL; r = nm_malloc(sizeof(*r)); *r = val; return r; } Where nm_malloc() is a failsafe malloc. The Macro usage should be compatible with this usage: printf("%d",*MACRO(int,5)); Is it possible to achieve that ?

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• maching strings

  - by kiran

  Write two functions, called countSubStringMatch and countSubStringMatchRecursive that take two arguments, a key string and a target string. These functions iteratively and recursively count the number of instances of the key in the target string. You should complete definitions for def countSubStringMatch(target,key): and def countSubStringMatchRecursive (target, key): For the remaining problems, we are going to explore other substring matching ideas. These problems can be solved with either an iterative function or a recursive one. You are welcome to use either approach, though you may find iterative approaches more intuitive in these cases of matching linear structures.

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• Not getting image in h:graphicImage in JSF

  - by Nitesh Panchal

  Hello, I have this very strange error with h:graphicImage This code works fine :- <h:graphicImage value="/Common/Images/#{item.templatePicName}"/> And this one doesn't :- <h:graphicImage alt="${app:getCommonImagePath(item.templatePicName)}" value="${app:getCommonImagePath(item.templatePicName)}" /> It only shows alt value /Common/Images/Sunset.jpg which is perfectly fine and works in 1st case. Then why doesn't it work in 2nd case? There are no problems with my images. They are present in right directory. here getCommonImagePath is my custom EL function, whose definition is : package Common; public final class AppDeployment { private AppDeployment(){ //hide constructor } private static String commonImageFolderPath = "/Common/Images/"; public static String getCommonImagePath(String picName){ return commonImageFolderPath + picName; } }

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• ASP/HTML problem with spaces and monofonts

  - by nickik

  I have a ASP has a Function that converts ä to &auml so far so good. I have lets say space for 10 char's if there are more cut them of if there are less fill the space up with &nbsp's. . Like this: test &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp but if i say "täst" it does this: te &auml t &nbsp It interprets the &auml not as one char it looks at it as 6 chars. Is there a clever way around that? This problem messes up my design because I need the right count of spaces. The whole thing goes into a big select box. Of you have to add a ; at the end of ever &... I could add them because the Editor would really interprt them.

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• Tasks API using Google Apps Script (complete task)

  - by Cartman

  I am trying to set the status of a task as completed using Tasks API. It shows that the code has completed successfully, but the task is not being marked as completed. Also, when I try to get the status of the task after update, it shows status as "needsAction". Here is my code function setTaskStatus(){ // Suppose a task with name "MyTaskListName" is contained //within task list with name "MyTaskName" var tasklist = Tasks.Tasklists.list().getItems(); var title = 'MyTaskListName'; var id; for(var i in tasklist){ if(title == tasklist[i].getTitle()){ id = tasklist[i].getId(); } } //Get the task list items var tasks = Tasks.Tasks.list(id).getItems(); for(var i in tasks){ if(tasks[i].getTitle() == 'MyTaskName'){ tasks[i].setStatus("completed");// set status completed Logger.log(tasks[i].getStatus());// this shows that the task has completed //But it does not reflect actually } } }

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• Codeigniter passing variable to URL

  - by CyberJunkie

  I have a list of posts and an edit link for each. When clicking edit it goes to a page where I can edit the specific post I clicked on. For this I will have to pull from the db the id of the post. Would this be the correct way to do it? <a href="<?php echo site_url("post/edit/$row->id"); ?>">Edit</a> post is my controller, edit is my function, and $row->id should pull the id of the post.

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• how to convert the html tags and get a message in string

  - by Ranjana

  how to convert the html tags to the msg bodg in mail function. i.e i have   Company Name: BPL   Industry Type:   i have got the string as datatable dt=new datatable(); string msg= dt.rows[i]["Message"].tostring(); i need to convert this html tags to the exact message; if (boolcheck) { msg.Body = ????????? wat to use over here.... how to remove the html tags and get the exact message } pls help??????????/

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• How to unload JVM from a living process?

  - by Guy

  Hi, I'm working with JNI and trying to unload (destroy) the VM using DestoryJavaVM function (I first call DetachCurrentThread method). It seems like the it has now influence on the VM and it is still up after the call. I read in old Sun posts that DestoryJavaVM had problems in the past (JDK1.1-1.3 in 2001) but I'm using JRE 6 and it probably should work now, right? I need to Load\Unload a VM in the same living process since each loading requires another classes to load. Any ideas how it can be done? Thanks, Guy

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• Select lowest nested selector when clicked

  - by rikAtee

  I would like to click $('.sub-menu') selector and return the lowerst nested item that was clicked, rather than the highest. e.g., when I click "enlish", "root" is returned becasue "english" is a child of "root". I want "english" returned when I select "english". <div ID="browse_container"> <div class="sub-menu">Root <div class="sub-menu">English</div> <div class="sub-menu">Maths <div class="sub-menu">Year 1</div> <div class="sub-menu">Year 2</div> </div> <div class="sub-menu">? Science</div> </div> </div> my script is simply: $('.sub-menu, #root').on('click', function(event){ alert($(this).text()) });

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• Integrate Lucene or any other search product with SQL server 2005

  - by HBACHARYA

  Hi, I need to use full text search with SQL server 2005 and I have explored its inbuilt search approach (SQL server full text indexing) but it seems less powerful. I have also looked features of Lucene. Now my questions: Is is possible to integrate lucene and SQL server in anyway? 1. Can my T-Sql queries use Lucene index for returning results? (May be uses CLR based function internally) 2. How to update Lucene index while data in the tables are getting updated 3. What can be overall architecutre? 4. Are there any commercial products avaliable which provides this kind of support? Thanks, HB

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• Using document.write in event handler?

  - by StackedCrooked

  I am experimenting with HTML and JavaScript. The following code should print something when entering a keystroke in a textbox: <html> <body> <input type="text" id="commandInput" name="command" size="50" /> <script type="text/javascript"> var commandInput = document.getElementById("commandInput"); commandInput.onkeydown = function (evt) { document.writeln("Test"); }; </script> </body> </html> For some reason the textbox disappears when entering a keystroke, leaving nothing but a white page. Any ideas why this is happening?

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• Setting custom control properties

  - by Rob

  I though it would be very simple but I can not get it today. I have a user control, with a grid control contained in it. public Unit Width { get { return CustomerGrid.Width; } set { CustomerGrid.Width = value; } } I expose the width property and when I set it in the designer it works at run-time but not design time. What class do I inherit from or method to override to get my controls to function at design time. Note I tried to inherit from WebControl but got the message Make sure that the class defined in this code file matches the 'inherits' attribute, and that it extends the correct base class

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• Logical xor operator in c++?

  - by RAC

  Is there such a thing? First time I encountered a practical need for it, but I don't see one listed in stroustrup. I intend to write: // Detect when exactly one of A,B is equal to five. return (A==5) ^^ (B==5); But there is no ^^ operator. Can I use bitwise ^ here and get the right answer (regardless of machine representation of true and false)? I never mix & and &&, or | and ||, so I hesitate to do that with ^ and ^^. I'd be more comfortable writing my own "bool XOR(bool,bool)" function instead.

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• Reporting sanitized user input to the user via AJAX

  - by JimBo

  I am writing some code to give live feedback to the user on the validation of a form using AJAX. I have got it checking length and if the field is empty. Now I want it to sanitize the users input and if the sanatized input differs from the users original input then tell them which characters are not allowed. The code I have written so far works except some characters most notably a '£' symbol result in no response. I think it relates to json_encode and its encoding. Here is the code: $user_input = 'asdfsfs£'; $strip_array = str_split(strip($user_input)); $orig_array = str_split($user_input); $diff_array = array_diff($orig_array,$strip_array); $diff_str = implode(', ',$diff_array); $final = json_encode($diff_str); function strip($input){return htmlentities(strip_tags($input),ENT_QUOTES);} Hope someone can figure out a solution.

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• jQuery parent()

  - by Happy

  jQuery snippet: $(".sliders dt a").click(function(){ $(this).parent().parent().parent().find(".triggers a").removeClass("active"); return false }); HTML: <div class="triggers"><a href="#" class="active">Hide all</a></div> <dl class="sliders"> <dt><a href="#">text</a></dt> <dd>text</dd> </dl> Three .parent() is used, to catch .triggers block. Is there any way to merge them?

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• Need JavaScript var in anchor

  - by Helto

  I'm sure this is really simple, but I need some help. I'm trying to insert a variable into an anchor in the following snippet var tablerows = '' $.each( data, function(index,row){ id = row.shift() tablerows += '<tr><td><a href="getuserimage.php?id=" target="_blank">' + row.shift() + '</a></td>' tablerows += '<td>' + row.join('</td><td>') + '</td></tr>' }) $("#users-table > tbody").html(tablerows) I'm just not sure how to get the id in there

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• different for loops java

  - by Ayrton

  I'm having some difficulties with the following problem: I'm making a little game where you're at a specific spot and each spot has each some possible directions. The available directions are N(ord),E(ast),S,W . I use the function getPosDirections to get the possible directions of that spot. The function returns the directions into an ArrayList<String> e.g. for spot J3: [E,W] Now the game goes like this: 2 dice will be rolled so you get a number between 2 and 12, this number represents the number of steps you can make. What I want is an ArrayList of all the possible routes e.g.: I throw 3 and I'm currently at spot J3: [[E,N,E],[E,N,S],[E,S,E],[E,S,S],[W,N,E],[W,N,S],[W,S,E],[W,S,S]] How would obtain the last mentioned Array(list)?

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• javacript question related to use of ' and "

  - by vatismarty

  my_window.document.write(' function redirect(linkid) { opener.location.href=linkid; window.close(); } Hello Thank you.If you accidentally closed our website click here to go back to our website '); This is my piece of code to close a already opened pop up window by redirecting it to google.com. I think there is some problem with matching the apostrophes ' and "... how to code with (' (" (' ') ") ')... is this correct... please help me with this.

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