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  • Batch script is not executed if chcp was called

    - by Andy
    Hello! I'm trying to delete some files with unicode characters in them with batch script (it's a requirement). So I run cmd and execute: > chcp 65001 Effectively setting codepage to UTF-8. And it works: D:\temp\1>dir Volume in drive D has no label. Volume Serial Number is 8C33-61BF Directory of D:\temp\1 02.02.2010 09:31 <DIR> . 02.02.2010 09:31 <DIR> .. 02.02.2010 09:32 508 1.txt 02.02.2010 09:28 12 delete.bat 02.02.2010 09:20 95 delete.cmd 02.02.2010 09:13 <DIR> Rún 02.02.2010 09:13 <DIR> ????? ??????? 3 File(s) 615 bytes 4 Dir(s) 11 576 438 784 bytes free D:\temp\1>rmdir Rún D:\temp\1>dir Volume in drive D has no label. Volume Serial Number is 8C33-61BF Directory of D:\temp\1 02.02.2010 09:56 <DIR> . 02.02.2010 09:56 <DIR> .. 02.02.2010 09:32 508 1.txt 02.02.2010 09:28 12 delete.bat 02.02.2010 09:20 95 delete.cmd 02.02.2010 09:13 <DIR> ????? ??????? 3 File(s) 615 bytes 3 Dir(s) 11 576 438 784 bytes free Then I put the same rmdir commands in batch script and save it in UTF-8 encoding. But when I run nothing happens, literally nothing: not even echo works from batch script in this case. Even saving script in OEM encoding does not help. So it seems that when I change codepage to UTF-8 in console, scripts just stop working. Does somebody know how to fix that?

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  • Execute ruby code in a link in Haml

    - by thermans
    I want to have a "delete user" link in a normal Activerecord table, but I can't figure out how to wrangle the inline ruby in haml. I have this: %tbody - @users.each do |user| %tr %td= user.name %td= user.login %td %a %img{:src => '../images/delete.png', :title => 'Delete user'} How do I make the - user.destroy be a clickable link in Haml?

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  • list permutations in haskell

    - by turingcomplete
    So I'm new to haskell and I've been playing with it for a while now. I want to get my function that outputs all list permutations to work. I have written 2 implementations, one works well, the other is giving me an error. Any help would be awesome. This is the first (working) implementation: permute [] = [[]] permute xs = [y| x <- xs, y <- map (x:) $ permute $ delete x xs] This one is giving me an error: permute [] = [[]] permute xs = map (\x -> map (x:) $ permute $ delete x xs) xs and here's the error message: Occurs check: cannot construct the infinite type: t0 = [t0] Expected type: [t0] Actual type: [[t0]] In the expression: map (x :) $ permute $ delete x xs In the first argument of `map', namely `(\ x -> map (x :) $ permute $ delete x xs)' I'd appreciate if someone could explain why I'm getting this error. Thanks

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  • Critique my heap debugger

    - by FredOverflow
    I wrote the following heap debugger in order to demonstrate memory leaks, double deletes and wrong forms of deletes (i.e. trying to delete an array with delete p instead of delete[] p) to beginning programmers. I would love to get some feedback on that from strong C++ programmers because I have never done this before and I'm sure I've done some stupid mistakes. Thanks! #include <cstdlib> #include <iostream> #include <new> namespace { const int ALIGNMENT = 16; const char* const ERR = "*** ERROR: "; int counter = 0; struct heap_debugger { heap_debugger() { std::cerr << "*** heap debugger started\n"; } ~heap_debugger() { std::cerr << "*** heap debugger shutting down\n"; if (counter > 0) { std::cerr << ERR << "failed to release memory " << counter << " times\n"; } else if (counter < 0) { std::cerr << ERR << (-counter) << " double deletes detected\n"; } } } instance; void* allocate(size_t size, const char* kind_of_memory, size_t token) throw (std::bad_alloc) { void* raw = malloc(size + ALIGNMENT); if (raw == 0) throw std::bad_alloc(); *static_cast<size_t*>(raw) = token; void* payload = static_cast<char*>(raw) + ALIGNMENT; ++counter; std::cerr << "*** allocated " << kind_of_memory << " at " << payload << " (" << size << " bytes)\n"; return payload; } void release(void* payload, const char* kind_of_memory, size_t correct_token, size_t wrong_token) throw () { if (payload == 0) return; std::cerr << "*** releasing " << kind_of_memory << " at " << payload << '\n'; --counter; void* raw = static_cast<char*>(payload) - ALIGNMENT; size_t* token = static_cast<size_t*>(raw); if (*token == correct_token) { *token = 0xDEADBEEF; free(raw); } else if (*token == wrong_token) { *token = 0x177E6A7; std::cerr << ERR << "wrong form of delete\n"; } else { std::cerr << ERR << "double delete\n"; } } } void* operator new(size_t size) throw (std::bad_alloc) { return allocate(size, "non-array memory", 0x5AFE6A8D); } void* operator new[](size_t size) throw (std::bad_alloc) { return allocate(size, " array memory", 0x5AFE6A8E); } void operator delete(void* payload) throw () { release(payload, "non-array memory", 0x5AFE6A8D, 0x5AFE6A8E); } void operator delete[](void* payload) throw () { release(payload, " array memory", 0x5AFE6A8E, 0x5AFE6A8D); }

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  • [JS] How to manipulate a PHP Array in javascript?

    - by rasouza
    I have an Array in PHP which contains data from database. And it prints out also as a table in the same page which has an AJAX delete function. Trying to explain better The array contains debt sums related to many people, it is the application's main function. In the same page, there is a table containing every debt record related to the array, which can be deleted or edited using AJAX. I have coded the part of deleting the record and removing the TR entry, but it's not enough: I'd like to change also the debt sum using AJAX which is an PHP Array. What I have I have the JS function which removes the TR when the delete button is clicked // TR Fading when deleted $('.delete') .click(function() { $.ajax({ type: 'GET', url: 'history/delete/id/'+$(this).attr('id') }); $(this).parent().parent().fadeOut(); return false; }); and I have the PHP array (image)

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  • Notepad Tutorial: deleteDatabase() function

    - by FelixA
    Hello I have a short question to the notepad tutorial on the android website. I wrote a simple function in the tutorial code to delete the whole database. It looks like this: DataHelper.java public void deleteDatabase() { this.mDb.delete(DATABASE_NAME, null, null); } Notepadv1.java @Override public boolean onCreateOptionsMenu(Menu menu) { boolean result = super.onCreateOptionsMenu(menu); menu.add(0, DELETE_ID, 0, "Delete whole Database"); return result; } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case DELETE_ID: mDbHelper.deleteDatabase(); return true; } return super.onOptionsItemSelected(item); } But when I run the app and try to delete the database I will get this error in LogCat: sqlite returned: error code = 1, msg= no such table: data Can you help how to fix this problem. It seems that the function deleteDatabase can not reach the database. Thank you very much. Felix

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  • Play 2.0 javaToDo tutorial doesn't compile

    - by chsn
    I'm trying to follow the Play2.0 JavaToDO tutorial and for some reason it just doesn't want to work. Have looked through stackoverflow and other online resources, but haven't find an answer to this and it's driving me crazy. Attached code of the Application.java package controllers; import models.Task; import play.data.Form; import play.mvc.Controller; import play.mvc.Result; public class Application extends Controller { static Form<Task> taskForm = form(Task.class); public static Result index() { return redirect(routes.Application.tasks()); } public static Result tasks() { return ok( views.html.index.render(Task.all(), taskForm)); } public static Result newTask() { return TODO; } public static Result deleteTask(Long id) { return TODO; } } Attached code of the Task java package models; import java.util.List; import javax.persistence.Entity; import play.data.Form; import play.data.validation.Constraints.Required; import play.db.ebean.Model.Finder; import play.mvc.Result; import controllers.routes; @Entity public class Task { public Long id; @Required public String label; // search public static Finder<Long,Task> find = new Finder( Long.class, Task.class); // display tasks public static List<Task> all() { return find.all(); } // create task public static void create(Task task) { task.create(task); } // delete task public static void delete(Long id) { find.ref(id).delete(id); // find.ref(id).delete(); } // create new task public static Result newTask() { Form<Task> filledForm = taskForm.bindFromRequest(); if(filledForm.hasErrors()) { return badRequest( views.html.index.render(Task.all(), filledForm) ); } else { Task.create(filledForm.get()); return redirect(routes.Application.tasks()); } } } I get a compile error on Task.java on the line static Form<Task> taskForm = form(Task.class); As I'm working on eclipse (the project is eclipsified before import), it's telling me that taskForm cannot be resolved and it also underlines every play 2 command e.g. "render(), redirect(), bindFromRequest()" asking me to create a method for it. Any ideas how to solve the compilations error and also how to get Eclipse to recognize the play2 commands? EDIT: updated Application.java package controllers; import models.Task; import play.data.Form; import play.mvc.Controller; import play.mvc.Result; public class Application extends Controller { // create new task public static Result newTask() { Form<Task> filledForm = form(Task.class).bindFromRequest(); if(filledForm.hasErrors()) { return badRequest( views.html.index.render(Task.all(), filledForm) ); } else { Task.newTask(filledForm.get()); return redirect(routes.Application.tasks()); } } public static Result index() { return redirect(routes.Application.tasks()); } public static Result tasks() { return ok( views.html.index.render(Task.all(), taskForm)); } public static Result deleteTask(Long id) { return TODO; } } Updated task.java package models; import java.util.List; import javax.persistence.Entity; import play.data.Form; import play.data.validation.Constraints.Required; import play.db.ebean.Model; import play.db.ebean.Model.Finder; import play.mvc.Result; import controllers.routes; @Entity public class Task extends Model { public Long id; @Required public String label; // Define a taskForm static Form<Task> taskForm = form(Task.class); // search public static Finder<Long,Task> find = new Finder( Long.class, Task.class); // display tasks public static List<Task> all() { return find.all(); } // create new task public static Result newTask(Task newTask) { save(task); } // delete task public static void delete(Long id) { find.ref(id).delete(id); // find.ref(id).delete(); } }

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  • Javascript indexOf() always returns -1

    - by Thomas
    I try to retrieve the index of en element in an array. This works perfectly var onCreate = function (event) { console.assert(markers[markerId] === undefined); var markerId = event.markerId; markers[markerId] = {}; var marker = markers[markerId]; // create the container object marker.object3d = new THREE.Object3D(); marker.object3d.matrixAutoUpdate = false; scene.add(marker.object3d); //UPDATE ARRAY HOLDING CURRENT MARKERS console.log("ON CREATE"); console.log("current detected markers: " + currentMarkers); var idx = currentMarkers.indexOf(markerId); // Find the index console.log("marker " + event.markerId + " has index: " + idx); if(idx==-1) // if does not exist currentMarkers.push(markerId); But this doesnt... var onDelete = function (event) { console.assert(markers[event.markerId] !== undefined); var markerId = event.markerId; //UPDATE ARRAY HOLDING CURRENT MARKERS console.log("ON DELETE"); console.log("current detected markers: " + currentMarkers); var idxx = currentMarkers.indexOf(markerId); // Find the index console.log("marker " + markerId + " has index: " + idxx); if(idxx != -1) {// if DOES exist currentMarkers.splice(idxx, 1); //Delete var idxxx = currentMarkersCoverChecked.indexOf(markerId); // Find the index if(idxxx == -1) // if does NOT exist, so if not being checked checkMarkerCovered(markerId); } onDeleteRandom(markerId); var marker = markers[markerId]; scene.remove(marker.object3d); delete markers[markerId]; Look at my console output: ON CREATE current detected markers: 2,1,4 marker 3 has index: -1 ON CREATE main.js:266 current detected markers: 2,1,4,3 marker 4 has index: 2 ON DELETE current detected markers: 2,1,4,3 marker 2 has index: -1 ON CREATE current detected markers: 2,1,4,3 marker 2 has index: 0 ON DELETE current detected markers: 2,1,4,3 marker 1 has index: -1

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  • using a href (html)tag along with PHP

    - by dexter
    i have tried: <?php include("delete.php") ?> <?php .... .... .... if($result=mysql_query($sql)) { echo "<table><th>Id</th><th>Name</th><th>Description</th><th>Unit Price</th>"; while($row = mysql_fetch_array($result)) { echo "<tr><td>".$row['Id']."</td><td>".$row['Name']."</td><td>".$row['Description']."</td><td>".$row['UnitPrice']."</td> <td><a href='delproduct($row[Id])' onclick = 'return MsgOkCancel()'>Delete</a></td></tr>"; echo "<br/>"; } } ?> following javascript is in the same page: <script type="text/javascript" language="javascript"> function MsgOkCancel() { if (confirm("Are You Sure You Want to Delete?")) { return true } else {return false} } </script> where delproduct is a javascript function in delete.php written like: <script type="javascript"> function delproduct(Id) { alert('Id '+ Id); } <script> ** after ** clicking Delete a okcancel message-box appear asking conformation ** but ** after clicking 'ok' it should execute statements inside delproduct function but it doesn't it gives error like: Object Not Found :The requested URL was not found on this server. what would be the problem? pls help, thanks

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  • Deleting files by type in Python on Windows

    - by choszen
    I know how to delete single files, however I am lost in my implementation of how to delete all files in a directory of one type. Say the directory is \myfolder I want to delete all files that are .config files, but nothing to the other ones. How would I do this? Thanks Kindly

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  • Handling a button click in MVC, why is there a string parameter?

    - by SLC
    I'm following this awful textbook, going through the basics of create/edit/delete records. The delete bit has a confirm button, and it is handled like so: [AcceptVerbs(HttpVerbs.Post)] public ActionResult Delete(int id, string confirmButton) { It offers no explanation of why the button is passed as a string or how MVC interprets it. Can anyone help clarify what's going on here? The Create code has no such string being passed.

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  • Handling Multiple Form Actions on One View?

    - by Pandiya Chendur
    I have multiple master pages in my asp.net mvc web application... Each of the pages add,edit,view and delete functionalities.... What it does is i have to create multiple views for handling add,edit,view and delete functionalities (ie) the user has to navigate to another view to edit/view the details of a record... How to Handle Multiple Form Actions (ie) add,edit,view and delete functionalities on One View?

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  • VC++ - Asynchronous Thread

    - by JVNR
    I am working on VC++ project, in that my application process a file from input path and generates 3 output "*.DAT" files in the destination path. I will FTP these DAT file to the destination server. After FTP, I need to delete only two output .DAT files the folder. I am able to delete those files, because there one Asynchronous thread running behind the process. Since the thread is running, while deleting it says, "Cannot delete, the file is used by another person". I need to stop that thread and delete the files. Multiple files can also be taken from the input path to process. Please help me in resolving this issue. Its very high priority issue for me. Please help me ASAP.

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  • SVN always getting errors when I commit (Subclipse)

    - by jax
    I have setup svn on my server and Subclipse at home. I am the only developer and am mainly using it for the backup and versioning features. Everytime I commit my changes I get eighter: Out Of date errors or Tree conflicts Sometimes I even delete files and they don't delete on svn, in a directory hierarchy only the very last item will delete so I have to delete each folder one at a time. How do I avoid these errors in the future? Update: Another problem I am having is that sometimes eclipse seems to sync with the server so that when I refactor a filename it goes off to the server and does something and makes me wait, which is annoying. And for clarity, this is a typical operation: I might change a filename, move a file to a different folder then change the contents of a file. I select the 'Team menu' and click 'commit'. Then I get all these errors above.

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  • Unable to locate using find element by link

    - by First Rock
    Newbie in testing. I generated a test case using Selenium, and then exported it as a Python script. Now, when I try to run that in terminal, I get following error: raise exception_class(message, screen, stacktrace) NoSuchElementException: Message: u'Unable to locate element: {"method":"link text","selector":"delete"}' I am using the command generated by Selenium i.e driver.find_element_by_link_text("delete").click() The reason for the error I believe is that the link "delete" in my web page is seen only when I click on a particular line to be deleted. So I guess it is being unable to locate the link. Please suggest what alternative measure could I use to locate and click on the "delete" link. Thanks in Advance:)

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  • mysql: managing memory usage

    - by every_answer_gets_a_point
    i am doing a delete with a LIKE statement my keybuffer is 25m, the sort buffer size is 256k the delete has been taking over 2 hours should i increase memory usage? there are about 50 megs of data in the table from which i am deleting, thats about 500,000 rows is there anything else i can do on the adminsitration size to speed up this delete?

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  • ruby looping question

    - by jonepatr
    Hello! I want to make a loop on a variable that can be altered inside of the loop. first_var.sort.each do |first_id, first_value| second_var.sort.each do |second_id, second_value_value| difference = first_value - second_value if difference >= 0 second_var.delete(second_id) else second_var[second_id] += first_value if second_var[second_id] == 0 second_var.delete(second_id) end first_var.delete(first_id) end end end How do I do this, because this doesn't work?

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  • linked list problem

    - by progster
    Delete every 't'th (t1) node of a single linked list. In the resultant linked list, again delete 't'th node. Repeat this till only t-1 nodes remains. For this i have come up with: Traverse until you reach 't'th node, delete all the nodes till the end. Is there any efficient way other than this?. Can any one please help me out. Thanks.

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  • [asp.net-mvc]Handling Multiple Form Actions on One View?

    - by Pandiya Chendur
    I have multiple master pages in my asp.net mvc web application... Each of the pages add,edit,view and delete functionalities.... What it does is i have to create multiple views for handling add,edit,view and delete functionalities (ie) the user has to navigate to another view to edit/view the details of a record... How to Handle Multiple Form Actions (ie) add,edit,view and delete functionalities on One View?

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  • Better variant of getting the output dinamically-allocated array from the function?

    - by Raigomaru
    Here is to variants. First: int n = 42; int* some_function(int* input) { int* result = new int[n]; // some code return result; } void main() { int* input = new int[n]; int* output = some_function(input); delete[] input; delete[] output; } Here the function returns the memory, allocated inside the function. Second variant: int n = 42; void some_function(int* input, int* output) { // some code } void main() { int* input = new int[n]; int* output = new int[n]; some_function(input, output); delete[] input; delete[] output; } Here the memory is allocated outside the function. Now I use the first variant. But I now that many built-in c++ functions use the second variant. The first variant is more comfortable (in my opinion). But the second one also has some advantages (you allocate and delete memory in the same block). Maybe it's a silly question but what variant is better and why?

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