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• Simple wxPython Frame Contents Resizing - Ratio?

  - by Wes

  I have a wxPython app with one frame and one panel. On that panel are a number of static boxes, each of which has buttons and textboxes. I have just begun reading about sizers, but they seem like they might be more than what I need, or it could that they are exactly what I need but I don't know how to use them correctly! The frame currently opens at 1920 x 1080. If the user drags the bottom right corner to resize the app, I just want everything to get smaller or larger as needed to keep the same size ratio. Is this possible? Thank you! edit: additional info: I used wxPython 2.8 and Boa to construct the GUI. I am contemplating trying another gui ide. So after reading some more about sizers, I am thinking about doing the following: add a gridsizer and basically divide my window's elements into rows and columns, then set each row and column's size as necessary until I achieve the original layout. Then I guess set the rows and columns to resize correctly? Is this a decent idea?

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• Simple way to render tuples to a table in ASP.NET 2.0?

  - by njk

  Say I have a data structure like a Dictionary<string, Dictionary<string, int>> or similar, and I want to render this as an HTML table with row-headers as the first string key, and column headers as the second string key. Is there a built-in or other Control for this?

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• Simple Form validation failing Backbone

  - by Corey Buchillon

  Im not exactly adept at coding so Im probably missing something, but my view here is failing to refuse submission when one or both of the fields are empty. I have a feeling something isnt connected right to my template for the row and the view of the form Form = Backbone.View.extend({ //form vie el: '.item-form', initialize: function(){ }, events: { 'click #additem': 'addModel' }, addModel: function(itemName, price){ // simple validation before adding to collection if (itemName !="" && price !="" ){ var item = new Item({ itemName: this.$("#item").val(), price: this.$("#price").val()}); items.add(item); $("#message").html("Please wait; the task is being added."); item.save(null, {success: function (item, response,options) { item.id= item.attributes._id.$id; item.attributes.id = item.attributes._id.$id; new ItemsView({collection: items}); $("#message").html(""); } }); this.$("#item").val(''); this.$("#price").val(''); } else { alert('Please fill in both fields'); } } }); and HTML <table class="itemTable"> <thead> <tr> <th>Item</th> <th>Price</th> <th></th> </tr> </thead> <tbody class="tableBody"> <script type="text/template" id="table-row"> <td><%= itemName %></td> <td><%= price %></td> <td><button class="complete">Complete</button> <button class="remove">Remove</button></td> </script> </tbody> </table> <form class="item-form"> <input type="text" name="item" id="item" placeholder="Item"/> <!-- goes to itemName in the template for the body --> <input type="text" name="price" id="price" placeholder="Price" /><!--goes to price in the template for the body --> <button type="button" id="additem">Add</button> </form> <div id="message"></div>

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• C++ program crashes at runtime

  - by qwerty

  Hello, I have this simple c++ program #include <cstdlib> #include <iostream> #include <math.h> #include <stdlib.h> #include <time.h> #include <vector> using namespace std; int aleator(int n) { return (rand()%n)+1; } int main() { int r; int indexes[100]={0}; // const int size=100; //int a[size]; std::vector<int>v; srand(time(0)); for (int i=0;i<25;i++) { int index = aleator(100); if (indexes[index] != 0) { // try again i--; continue; } indexes[index] = 1; cout << v[index] ; } cout<<" "<<endl; system("pause"); return 0; } But at runtime it crashes, so i got that error with 'Send error report' and 'Don't send'. What i'm doing wrong? Thanks!

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• Tool to generated rotated versions of an image

  - by John

  In sprite-based systems, it's common to fake rotation of a sprite by having many different images, each showing it rotated an extra few degrees. Is there any free tool which will take a single image, and output a single image containing several rotations? It should also ideally let us control how many images are in each row. e.g if I have a 32x32 sprite and I want it rotated at 10 degree intervals, the tool might generate a 320x32 file or a 160x64 file

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• libarchive reads too many chars when extracting a file

  - by ojreadmore

  I've written a C program to extract files from a tar archive using libarchive. I'd like to extract a file from this archive and print it to standard output. But I get extra characters. It's garbage, but it's from another file (possibly adjacent to it in the archive.) I expect output to end at </html>. Here is the code that reads this tar file. libarchive 2.8.3 compiled on mac os X 10.6.3. gcc 4.2 x86_64 ls -l vendar-definition.html gives me 1921 for the file size. And so shows tar tfv 0000.tar | grep vendar-definition.html. So reports the C output that states the file size. To me this seems correct. Two possibilities I can see for why my output is not as expected: 1. I've made a beginner's mistake or 2. multibyte characters in the archive files has something to do with it.

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• Database maintenance, big binary table optimization

  - by jgemedina

  Hi i have a huge database, around 1 TB in size, most of the space is consumed by a table which stores images, the tables has right now almost 800k rows. server response time has increased, i would like to know which techniques should i use or you recomend, partitioning? o how to reorganize the table every row is accessed by the image id column, and it has its clustered index by that column, and every two days i reorganize the index and every 7 days i rebuild it, but it seems not to be working any suggestions?

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• CURL C API: callback was not called

  - by Pierre

  Hi all, The code below is a test for the CURL C API . The problem is that the callback function write_callback is never called. Why ? /** compilation: g++ source.cpp -lcurl */ #include <assert.h> #include <iostream> #include <cstdlib> #include <cstring> #include <cassert> #include <curl/curl.h> using namespace std; static size_t write_callback(void *ptr, size_t size, size_t nmemb, void *userp) { std::cerr << "CALLBACK WAS CALLED" << endl; exit(-1); return size*nmemb; } static void test_curl() { int any_data=1; CURLM* multi_handle=NULL; CURL* handle_curl = ::curl_easy_init(); assert(handle_curl!=NULL); ::curl_easy_setopt(handle_curl, CURLOPT_URL, "http://en.wikipedia.org/wiki/Main_Page"); ::curl_easy_setopt(handle_curl, CURLOPT_WRITEDATA, &any_data); ::curl_easy_setopt(handle_curl, CURLOPT_VERBOSE, 1); ::curl_easy_setopt(handle_curl, CURLOPT_WRITEFUNCTION, write_callback); ::curl_easy_setopt(handle_curl, CURLOPT_USERAGENT, "libcurl-agent/1.0"); multi_handle = ::curl_multi_init(); assert(multi_handle!=NULL); ::curl_multi_add_handle(multi_handle, handle_curl); int still_running=0; /* lets start the fetch */ while(::curl_multi_perform(multi_handle, &still_running) == CURLM_CALL_MULTI_PERFORM ); std::cerr << "End of curl_multi_perform."<< endl; //cleanup should go here ::exit(EXIT_SUCCESS); } int main(int argc,char** argv) { test_curl(); return 0; } Many thanks Pierre

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• How to zoom IFRAME content only without using a frame set?

  - by Baskaran

  I need to zoom frame content only. Here in my web page I used zoom: 0.75; height: 520px; width: 800px;. If I increase the zoom value it means that the frame size will be increased. <HTML> <HEAD> <TITLE> New Document </TITLE> <STYLE> #frame { width: 800px; height: 520px; border: 1px solid black; } #frame { zoom: 0.75; -moz-transform: scale(0.75); -moz-transform-origin: 0 0; } </STYLE> </HEAD> <BODY> <IFRAME id="frame" src="http://www.google.com"></IFRAME> </BODY> </HTML> In the above sample HTML page I want to zoom the content of the IFRAME without changing the size of that IFRAME.

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• Can I query inside a SQLite Transaction?

  - by CSharperWithJava

  I'm using the SQLite3 database system in the Android library. I need to execute a query during a transaction to see if there is a similar entry already there. If there is, I have to perform some other logic and adjustments before I add a new row. Can I execute a query within a transaction and get the result back immediately?

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• mysql: get all rows into 1 column

  - by andufo

  hi, i have 3 tables: post (id_post, title) tag (id_tag, name) post_tag (id_post_tag, id_post, id_tag) Lets suppose that id_post 3 has 4 linked tags 1,2,3,4 (soccer, basket, tennis and golf). Is there a way to return something like this in ONE row? col 1 id_post = 3 col 2 tags = soccer basket tennis golf Thanks

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• codeIgniter: pass parameter to a select query from previous query

  - by krike

  I'm creating a little management tool for the browser game travian. So I select all the villages from the database and I want to display some content that's unique to each of the villages. But in order to query for those unique details I need to pass the id of the village. How should I do this? this is my code (controller): function members_area() { global $site_title; $this->load->model('membership_model'); if($this->membership_model->get_villages()) { $data['rows'] = $this->membership_model->get_villages(); $id = 1;//this should be dynamic, but how? if($this->membership_model->get_tasks($id)): $data['tasks'] = $this->membership_model->get_tasks($id); endif; } $data['title'] = $site_title." | Your account"; $data['main_content'] = 'account'; $this->load->view('template', $data); } and this is the 2 functions I'm using in the model: function get_villages() { $q = $this->db->get('villages'); if($q->num_rows() > 0) { foreach ($q->result() as $row) { $data[] = $row; } return $data; } } function get_tasks($id) { $this->db->select('name'); $this->db->from('tasks'); $this->db->where('villageid', $id); $q = $this->db->get(); if($q->num_rows() > 0) { foreach ($q->result() as $task) { $data[] = $task; } return $data; } } and of course the view: <?php foreach($rows as $r) : ?> <div class="village"> <h3><?php echo $r->name; ?></h3> <ul> <?php foreach($tasks as $task): ?> <li><?php echo $task->name; ?></li> <?php endforeach; ?> </ul> <?php echo anchor('site/add_village/'.$r->id.'', '+ add new task'); ?> </div> <?php endforeach; ?> ps: please do not remove the comment in the first block of code!

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• jquery .on() toggle div

  - by lollo

  i'm developing a blog with dynamic content loaded via ajax request and i'm trying to hide/show the "post comment" form, of the article, with a button : <div id="post"> ... <ol id="update" class="timeline"> <!-- comments here --> </ol> <button class="mybutton Bhome">Commenta</button><!-- hide/show button --> <div class="mycomment"><!-- div to hide/show --> <form action="#" method="post"> Nome: <input type="text" size="12" id="name" /><br /> Email: <input type="text" size="12" id="email" /><br /> <textarea rows="10" cols="50" class="mytext" id="commentArea"></textarea><br /> <input type="submit" class="Bhome" value=" Post " /> </form> </div><!-- mycomment --> </div><!-- post --> This jquery code works well but has effect on All the posts... $("div").on("click", ".mybutton", function(e){ $(".mycomment").slideToggle("slow"); e.stopPropagation(); }); I want that only the clicked hide/show button has effect on the related article but f i have more than one article on my page the button with .mybutton class hides or shows all the comment form of all the articles.

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• mysql count rows and grop them by month

  - by user2661296

  I have a table called cc_calls and there I have many call records I want to count them and group them in months I have a timestamp called starttime and I can use that row to extract the month, also limit the count for 12 months the results should be like: Month Count January 768768 February 876786 March 987979 April 765765 May 898797 June 876876 July 786575 August 765765 September 689787 October 765879 November 897989 December 876876 Can anyone guide me or show me the mysql query that I need to get this result.

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• Is there any way to maximize PHP_INT_MAX?

  - by Tom

  I can't find this row in php.ini, so is there any way to do that? So ok, I understood, the answer is not, then how should I calculate the result of this task if I want it do with php? The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number 600851475143 ?

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• SQL - get latest records from table where field is unique

  - by 89stevenharris

  I have a table of data as follows id status conversation_id message_id date_created 1 1 1 72 2012-01-01 00:00:00 2 2 1 87 2012-03-03 00:00:00 3 2 2 95 2012-05-05 00:00:00 I want to get all the rows from the table in date_created DESC order, but only one row per conversation_id. So in the case of the example data above, I would want to get the rows with id 2 and 3. Any advice is much appreciated.

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• Query about running a program through valgrind and getting false results comparing to other systems.

  - by FILIaS

  Yesterday i posted this: What's the problem with this code? [hashtable in C] and paxdiablo offered to help me. He posted a sample of code and asked me to run it through valgrind on my machine. This code normally generates: 12,4 But on my machine, i get 24,8. The doubled! I'm just curious why is that happening. Hope sb has a good explaination. I post also paxdiablo's code (for anyone who cant find it.) #include <stdio.h> #include <stdlib.h> typedef struct HashTable { int size ; struct List *head; struct List *tail; } HashTable; typedef struct List { char *number; char *name; int time; struct List *next; } List; #define size_of_table 211 HashTable *createHashTable(void) { HashTable *new_table = malloc(sizeof(*new_table)*size_of_table); //line 606 printf ("%d\n", sizeof(*new_table)); printf ("%d\n", sizeof(new_table)); if (new_table == NULL) { return NULL; } int i=0; for(i; i<size_of_table; i++) { new_table[i].size=0; new_table[i].head=NULL; new_table[i].tail=NULL; } return new_table; } int main(void) { HashTable *x = createHashTable(); free (x); return 0; }

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• JQuery Checkbox generation

  - by Hash

  I have used the following code to generate some dynamic checkboxes. This works for the first time and adds the check box chk2 to the page and then after the trigger for the $('#newLink').click is not working. Please help me with this. <div id="chkBoxesDiv"> <input type="checkbox" id="chk1" ></input> <input id="answerText" type="text" size="30" ></input>&nbsp; <input type="button" value="add new" id="newLink"/> </div> $(document).ready(function(){ $('#newLink').click(function (event){ var i = 0; //To count the children $("#chkBoxesDiv").children().each(function(){ var child = $(this); if(child.is(":checkbox")){ i++; } }); //prevent action event.preventDefault(); //get textbox value to fill checkbox var text = $("#answerText").val(); alert(i); //if text not empty do stuff if(text != ""){ //add label $("#chk"+i).after("<label for=\"chk"+i+"\" id=\"lblchk"+i+"\">"+text+"</label>"); $("#newLink").remove(); $("#answerText").remove(); $("#lblchk1").after("<br /><input type=\"checkbox\" id=\"chk"+(1+i)+"\" ></input><input type=\"text\" id=\"answerText\" size=\"30\" ></input>&nbsp;<input type=\"button\" value=\"add new\" id=\"newLink\"/>"); } }); });

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• How to make custom Combo box control which have contain datagrid in vb.net

  - by Manish kosta

  I want to make custom combo box which have contain datagrid and textbox too. On clicks into combo box datagridview should be appear and selecting any row particular cell value of the datagridview added on the combo. thanks in advance..

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• Get highlighted state for NSButtonCell

  - by dvg

  I have a NSTableView that contains a NSButtonCell in one of the columns. To draw a custom background in neighbor cells (based on NSTextFieldCell) I use isHighlighted method: - (void)drawWithFrame:(NSRect)cellFrame inView:(NSView *)controlView { if ([self isHighlighted]) { //here I draw the cell background But for NSButtonCell isHighlighted shows only the button pressed state. How to determine when the NSButtonCell is selected, i.e. when it's highlighted in the row?

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• I get NaN when I try to insert some HTML into a DIV element with jQuery

  - by Ankur

  I am tring to display a text box when a element of class numObj is clicked. For some reason I get NaNNaNaNaNNaNNaNaNaN where I expect to the see the result of the searchForm variable in the code below. I know that NaN stands for Not a Number. What I don't understand is why is Javascript expecting a number? I can't understand why it cares. $(".numObj").live('click',function(){ var preId = $(this).attr('preId'); var arrayPos = $(this).attr('numArrayPos'); alert(preId +" "+arrayPos); var searchForm = "<table border='0' cellspacing='0' cellpadding='4' id='add-tag2'>"+ +"<tr class='normal'><td bgcolor='#EEEEEE' valign='bottom' nowrap='nowrap'><span class='normal-small'>"+ +"<input name='predicate-name2' type='text' class='normal' id='predicate-name2' size='4' />"+ +"</span></td>"+ +"<td bgcolor='#EEEEEE' valign='bottom' nowrap='nowrap'><span class='normal-small'>&lt;=</span></td>"+ +"<td bgcolor='#EEEEEE' valign='bottom' nowrap='nowrap'>x</td>"+ +"<td valign='bottom' bgcolor='#EEEEEE'>&lt;=</td>"+ +"<td valign='bottom' bgcolor='#EEEEEE'><span class='normal-small'>"+ +"<input type='text' name='object-object2' id='object-object2' class='normal' size='4' />"+ +"</span></td>"+ +"</tr>"+ +"</table>"; $(".numObj").filter("[preId='"+preId+"']").filter("[numArrayPos='"+arrayPos+"']").html(searchForm); }); The generated code that has the numObj class looks something like this <td><div class="numObj" preid="73" numarraypos="5"><span class="normal">585.0</span></div></td>

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• get value from jtable

  - by jouzef19

  hi I have a jtable and I want the user to fill its cells then i get what he wrote! the problem is when i try getValueAt(row index,col index ) the programe give me null , and i am sure that the cell i choose has a value .

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• How can you access two identically-named columns in a MySQL LEFT JOIN query?

  - by George Edison

  I have two tables. table_x: id INT(11) tag INT(11) table_tags: id INT(11) name VARCHAR(255) Then I use PHP to perform the following query: SELECT * FROM table_x LEFT JOIN table_tags ON table_x.tag = table_tags.id The only problem is: how do I access table_x.id and table_tags.id in the results? Here is the PHP code: $query = "SELECT * FROM table_x LEFT JOIN table_tags ON table_x.tag = table_tags.id"; $results = mysql_query($query); while($row = mysql_fetch_array($results)) { // how do I now access table_x.id and table_tags.id ??? }

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• Generating Fibonacci Numbers Using variable-Length Arrays Code Compiler Error.

  - by Nano HE

  Compile error in vs2010(Win32 Console Application Template) for the code below. How can I fix it. unsigned long long int Fibonacci[numFibs]; // error occurred here error C2057: expected constant expression error C2466: cannot allocate an array of constant size 0 error C2133: 'Fibonacci' : unknown size Complete code attached(It's a sample code from programming In c -3E book. No any modify) int main() { int i, numFibs; printf("How may Fibonacci numbers do you want (between 1 to 75)? "); scanf("%i", &numFibs); if ( numFibs < 1 || numFibs > 75){ printf("Bad number, sorry!\n"); return 1; } unsigned long long int Fibonacci[numFibs]; Fibonacci[0] = 0; // by definition Fibonacci[1] = 1; // ditto for ( i = 2; i < numFibs; ++i) Fibonacci[i] = Fibonacci[i-2] + Fibonacci[i-1]; for ( i = 0; i < numFibs; ++i) printf("%11u",Fibonacci[i]); printf("\n"); return 0; }

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• How to change CSS style of nested list items?

  - by Yasir

  I have a style for styling <a> elements in list items in a #navigation container. This is working fine. #navigation li a { text-decoration:none; background:#bfe5ff; color:#045e9f; width:125px; height:35px; padding-top:11px; display:block; float:left; margin-left:2px; text-align:center; font-size:18px; font-weight:bold; } Now in some <li>s I am inserting <div>s. In these I am again using a list again, but it should be different in style or have no style. When I put in <li>s, their style matches the outer <li> elements, but it should not. I am trying to use this: #newnavigation li a { font-size:12px; margin-left:20px; } but it's not working - it applies the "outer" styles. This is my markup: <ul id="navigation"> <li><a href="index.html">Home</a></li> <li><a href="about.html">About</a></li> <li><a href="contact.html">Contact</a></li> <li class="browse"> <a href="#">Browse</a> <div id="browsecontainer"> <h3>Browse By Category</h3> <li><a href="#"></a></li> </div> </li> </ul>

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