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  • DataColumn expressions

    - by Kumar
    What is the most complex expression you've seen/used ? and what's the limit on the length of the expression that can be used ? I seem to recall something to that effect a while back but can't locate it now !!

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  • how to hook key event.

    - by backspace7
    I'd like to limit the text length of EditText widget, And if user type more charactes than the limited length, I want to show a kind of warning popup, however I can't show popup. The problem is that we can't show popup while typing, Probably, many people think a way of utilizing OnKeyListener or OnKeyDown. But, when the word is composing, nothing come into OnKeyListener or OnKeyDown, So, we can't show popup when we want to. Is there anyone who have smart idea to solve this problem?

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  • New table for every user?

    - by SonOfOmer
    Hi everyone, I want to crate new table for each new user on the web site and I assume that there will be many users, I am sure that search performance will be good, but what is with maintenance?? It is MySQL which has no limit in number of tables. Thanks a lot.

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  • Zend_Paginator / Doctrine 2

    - by Kevin
    I'm using Doctrine 2 with my Zend Framework application and a typical query result could yield a million (or more) search results. I want to use Zend_Paginator in line with this result set. However, I don't want to return all the results as an array and use the Array adapter as this would be inefficient, instead I would like to supply the paginator the total amount of rows then and array of results based on limit/offset amounts. Is this doable using the Array adapter or would I need to create my own pagination adapter?

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  • modalpopup.js not working properly in windows

    - by jpallavi
    I have applied modalpopup.js to display error & restrict word limit counter to 300words for messages. Although it displays error message but user can still type words more than 300words in windows operating system. It works fine in fedora operating system.Can somebody help solve the issue.

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  • Simple SELECT query problem...

    - by Povylas
    Hi, I have this MySql select query witch seams to have a bug but I am quit "green" so I simple can not see, so maybe you could help? Here is the query: SELECT node_id FROM rate WHERE node_id='".$cat_node_id_string."' LIMIT ".$node_count_star.",".$node_count_end." ORDER BY SUM(amount) GROUP BY node_id Thanks for help in advance...

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  • MySql selecting default value if there are no result?

    - by Kenan
    i'm having 2 tables: members and comments. I select all members, and then join comments. But in comments I'm selecting some SUM of points, and if user never commented, I can't get that user in listing?! So how to select default value for SUM, or some other solution: SELECT c.comment_id AS item_id, m.member_id AS member_id, m.avatar, SUM(c.vote_value) AS vote_value, SUM(c.best) AS best, SUM(c.vote_value) + SUM(c.najbolji)*10 AS total FROM members m LEFT JOIN comments c ON m.member_id = c.author_id GROUP BY c.author_id ORDER BY m.member_id DESC LIMIT {$sql_start}, {$sql_pokazi}

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  • How do I select a random record efficiently in MySQL?

    - by user198729
    mysql> EXPLAIN SELECT * FROM urls ORDER BY RAND() LIMIT 1; +----+-------------+-------+------+---------------+------+---------+------+-------+---------------------------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------+------+---------------+------+---------+------+-------+---------------------------------+ | 1 | SIMPLE | urls | ALL | NULL | NULL | NULL | NULL | 62228 | Using temporary; Using filesort | +----+-------------+-------+------+---------------+------+---------+------+-------+---------------------------------+ The above doesn't qualify as efficient,how should I do it properly?

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  • Limiting XML read to 5 records

    - by Jean
    Hello, I have a xml file with 100 records, but I want it to limit it to just 5 records for ($i=0;$i<=5;$i++) { foreach($xml-entry as $result){ if ($result->updated == $result->published) { } } } When I put in the above code, it display one record 5 times. Thanks Jean

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  • how to store data crawled from website

    - by Richard
    I want to crawl a website and store the content on my computer for later analysis. However my OS file system has a limit on the number of sub directories, meaning storing the original folder structure is not going to work. Suggestions? Map the URL to some filename so can store flatly? Or just shove it in a database like sqlite to avoid file system limitations?

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  • Retrieving substring of a bound value

    - by shivesh
    I am binding some data to control, but want to limit the number of character of a specific field to a 30 first characters. I want to do it, if it's possible, on aspx page. I tried this: Text='<%# String.Format("{0}", Eval("Title")).Substring(0,30) %> ' But got this error: Index and length must refer to a location within the string. Parameter name: length

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  • Convert multiquery to a query using group by and so on

    - by ffffff
    -schema CREATE TABLE `ratings` ( `id` int(11) NOT NULL default '0', `rating` int(11) NOT NULL default '1', `rating_start` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`id`) ) TYPE=MyISAM -myprogram.php foreach($ids as $id){ $sql = "SELECT rating FROM ratings WHERE id = '$id' AND rating_start >= NOW()"; $sql .= "ORDER BY rating_start DESC LIMIT 1;" $ret = $db->execute($id); } Can I teke same date from a Query? by using id IN (".implode(",",$ids).") and GROUP BY id

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  • As3 split strangeness

    - by coulix
    Hello coders, Super simple example: var Path:String="E:\SWF Security\Acess Current Path\Access SWF URL.swf" var Path1:Array = Path.split("\\") // Split using the backslash as delimiter (No limit the number of returned tokens) trace(Path1) What do you expect path1 to be ? E: ? No its E:SWF SecurityAcess Current PathAccess SWF URL.swf and i have no idea why.

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  • Mysql select most frequent and sort alphabetically

    - by user2605793
    I am trying to select the most common 100 names from a table then display the list showing the names and count. I want the user to be able to re-sort the list alphabetically rather than based on count. I thought the following code would do it. It works for the default sort by count but fails on the sort alphabetically. The line "$count = mysql_num_rows($table);" gives an error: mysql_num_rows() expects parameter 1 to be resource, boolean given. Any help would be greatly appreciated. // Get most popular surnames echo '<h2>Most Common Surnames</h2>'; if ($sort == "") { // default sort by count echo '<a href="http://mysite/names.php?id='.$id.'&sort=name">Sort by name</a><br>'; $query = "SELECT family_name, COUNT(*) as count FROM namefile WHERE record_key = $id GROUP BY family_name ORDER BY count DESC LIMIT 100"; } else { // sort alphabetically echo '<a href="http://mysite/names.php?id='.$id.'">Sort by count</a><br>'; $query = "SELECT * FROM ( SELECT family_name, COUNT(*) as count FROM namefile WHERE record_key = $id GROUP BY family_name ORDER BY count DESC LIMIT 100) AS alpha ORDER BY family_name"; } $table = mysql_query($query); $count = mysql_num_rows($table); $tot = 0; $i = 0; echo '<table><tr>'; while ($tot < $count2) { $rec2 = mysql_fetch_array($table2); echo '<td>'.$rec2[0].'</td><td>'.$rec2[1].'</td><td width="40">&nbsp;</td><td>'; if ($i++ == 6) { echo '</tr><tr>'; $i = 0; } $tot++; } echo '</tr></table><br>'; UPDATE: I needed to add "AS alpha" to give the outer select a unique name. (alpha is just a random name I made up.) It now works perfectly. Code updated for the benefit of any others who need something similar.

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  • How to tell if JSON object is empty in jQuery

    - by GrantU
    I have the following JSON: { "meta": { "limit": 20, "next": null, "offset": 0, "previous": null, "total_count": 0 }, "objects": [] } I'm interested in objects: I want to know if objects is empty and show an alert: something like this: success: function (data) { $.each(data.objects, function () { if data.objects == None alert(0) else :alert(1) });

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  • Calculating percent of votes inside mysql statement.

    - by Beck
    UPDATE polls_options SET `votes`=`votes`+1, `percent`=ROUND((`votes`+1) / (SELECT voters FROM polls WHERE poll_id=? LIMIT 1) * 100,1) WHERE option_id=? AND poll_id=? Don't have table data yet, to test it properly. :) And by the way, in what type % integers should be stored in database? Thanks for the help!

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