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• Creating Slugs from Titles?

  - by James Jeffery

  I have everything in place to create slugs from titles, but there is one issue. My RegEx replaces spaces with hyphens. But when a user types "Hi     there" (multiple spaces) the slug ends up as "Hi-----there". When really it should be "Hi-there". Should I create the regular expression so that it only replaces a space when there is a character either side? Or is there an easier way to do this?

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• Is there a way to keep track of javascript hits?

  - by user54197

  I am populating a table based on a javascript function. I want to limit the data entered to 2, afterwhich I hide the table. Is there a way to track how many hits the javascript code gets hit? function addNewRow() { $('#displayInjuryTable tr:last').after('<tr><td style="font-size:smaller;" class="name"></td><td style="font-size:smaller;" class="address"></td></tr>'); var $tr = $('#displayInjuryTable tr:last'); var propertyCondition = $('#txtInjuryAddress').val(); $tr.find('.name').text($('#txtInjuryName').val()); if (propertyCondition != "") { $tr.find('.address').text($('#txtInjuryAddress').val() + ', ' + $('#txtInjuryCity').val() + ' ' + $('#txtInjuryState').val() + ' ' + $('#txtInjuryZip').val()); }

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• Mongodb, simple IN problem

  - by afvasd

  Hi everyone I am new to mongo, this is my db design: product := { name: str group: ref, comments: [ ref, ref, ref, ref ] } comments := { ... a bunch of comments stuff } tag := { _id: int, #Need this for online requests tag: str, products: [ {product: ref, score: float}, ... ], comments: [ {comment: ref, score: float}, ...], } So my usage pattern is: GIVEN a product, find comments that have certain tag and sort them accordingly. My current approach involves: Look for that tag object that has tag=myTag pull all the comments out, sorted look for that product where product.name=myProduct pull all the comments out (which are dbrefs by the way) loop through the result of 2, and checking if they are in 4, (this I can do a limit 10) etc. It's pretty inefficient. Any better methods?

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• F# match char values

  - by rwallace

  I'm trying to match an integer expression against character literals, and the compiler complains about type mismatch. let rec read file includepath = let ch = ref 0 let token = ref 0 use stream = File.OpenText file let readch() = ch := stream.Read() let lex() = match !ch with | '!' -> readch() | _ -> token := !ch ch has to be an int because that's what stream.Read returns in order to use -1 as end of file marker. If I replace '!' with int '!' it still doesn't work. What's the best way to do this?

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• How to place a symbol (path) relative to the far end of svg text?

  - by dugeen

  I'm working on a program which generates SVG maps. Some of the map items have captions which need a symbol after them (like a plane symbol for an airport caption). If I have a text element thus <text x="30" y="30">Pericles</text> I can place another bit of text at the next character position by saying <text x="30" y="30">Pericles <tspan>!</tspan></text> but I'd like to draw my own symbol at that position with a <path> element. What I'm doing at the moment is having the generating program guess the extent of the text from tables of font metrics etc, but this isn't accurate enough to place the symbol consistently. Is there any way round this - like specifying a <marker> to be used when drawing the text, and using a tspan with an invisible dash in it or something to get the marker placed?

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• Reading in multiple words for prolog

  - by prolog123456789

  Im running prolog via poplog on unix and was wondering if there was a way to read in multiple words (such as encase it into a string). For instance, read(X) will only allow X to be 1 term. However, if I encase the user input with "", it will return a list of character codes, is this the correct method as I can not find a way to convert it back to a readable string. I would also like to be able to see if the multiworded string contains a set value (for instance, if it contains "i have been") and am unsure of how i will be able to do this as well.

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• Regex doesn't work properly

  - by oneofthelions

  I am trying to implement a regular expression to allow only one or two digits after a hyphen '-' and it doesn't work properly. It allows as many digits as user types after '-' Please suggest my ExtJS Ext.apply(Ext.form.VTypes, { hyphenText: "Number and hyphen", hyphenMask: /[\d\-]/, hyphenRe: /^\d+-\d{1,2}$/, hyphen: function(v){ return Ext.form.VTypes.hyphenRe.test(v); } }); //Input Field for Issue no var <portlet:namespace/>issueNoField = new Ext.form.TextField({ fieldLabel: 'Issue No', width: 120, valueField:'IssNo', vtype: 'hyphen' }); This works only to the limit that it allows digits and -. But it also has to allow only 1 to 2 digits after - at most. Is something wrong in my regex? hyphenRe: /^\d+-\d{1,2}$/,

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• Is Memory increase create difference in output or behavior of java application?

  - by Nitz

  Hey Guys I have created one java-swing application. The application runs perfectly runs perfect on my pc. But it doesn't run perfectly on client pc. I had increase my Virtual Memory, earlier on my pc. So my question is.. Is changing memory limit, effect or change application behavior? Is there anything that change the behavior of java application? bcz same application runs perfectly on my pc and same application does not running perfectly on client pc? and there is no problem in code, i have checked three times.

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• DATETIME PROBLEM VB 2005

  - by haythamhamdy

  I AM USING VB2005 AND SQL SERVER 2000 PVAR_SQL_STR = "INSERT INTO GLR_US_PERIOD (ORG5_CODE,PERIOD_YEAR,PERIOD_CODE,PERIOD_NO,FROM_DATE,TO_DATE,INSERT_USER,INSERT_DATE) VALUES " _ & "('" & PVAR_COMPANY_CODE & "' ,'" & TextBox1.Text & "','" & Serial1.Text & "'," & TextBox2.Text & ", '" + DateTimePicker1.Value.ToString("D") + "' ,'" + DateTimePicker2.Value.ToString("D") + "','" & PVAR_USER_CODE & "','" + Now.ToString("F") + "')" Syntax error converting datetime from character string BECAUSE OF THIS PART ONLY Now.ToString("F") why i do not know but when i change into Now.ToString("D") it works well but it SAVES DATE ONLY I WANT TO INSERT DATE AND TIME THANKS

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• Mysql database structure...

  - by Patrick

  I'm creating a members site, and I'm currently working on the user Preference settings. Should I create a table with all the preference fields (about 17 fields) or should I include them in the main member table along with the account settings? Is there a limit as to how many fields I should have in a table? currently the member table has about 21 fields... not sure if its okay to add another 17 more fields when I can easily just put them in another table. It'll take more coding to pull up the data though... any sugguestions?

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• Can SQL Server 2008 Express be used for offering commercial web hosting services?

  - by Tony_Henrich

  I read that SQL Server 2008 Express R2 database size limit has increased to 10G. That's good news. Can I use the Express edition of SQL Server to offer web hosting services to the public? Microsoft should be best in answering this but I can't find a clear answer on their site. I am also seeing several Windows web hosting plans include SQL Server as a total package for less than $5/month. I am wondering how they can afford to offer this.

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• How do I add on multiple $_POST['row'] and variables?

  - by Ralph The Mouf

  I am struggling to find out the syntactically correct way in which to add on more variables and rows to these statements: /* WANT TO ADD ON FIVE MORE $_POST[''] */ if(isset($_POST['check_prof']) && $_POST['check_prof'] == 'checked') { $check_prof = "checked"; }else{ $check_prof = "unchecked"; } /* SAME HERE, WANT TO ADD THE OTHER FIVE IN HERE AS WELL */ $query = "UPDATE `Users` SET `check_prof` = '" . $check_prof . "' WHERE `id` = '" . $auth->id . "' LIMIT 1"; mysql_query($query,$connection); $auth->refresh(); }

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• python array.array with strings as data type

  - by Gladius

  Is there an object that acts like array.array, yet can handle strings (or character arrays) as its data type? It should be able to convert the string array to binary and back again, preferably with null terminated strings, however fixed length strings would be acceptable. >>> my_array = stringarray(['foo', 'bar']) >>> my_array.tostring() 'foo\0bar\0' >>> re_read = stringarray('foo\0bar\0') >>> re_read[:] ['foo', 'bar'] I will be using it with arrays that contain a couple million strings.

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• JDBC Pagination

  - by Zeeshan

  Hi, I want to implement pagination using JDBC. The actual thing I want to know is "How can i get first 50 and then next 50 records from database for page 1 and 2 respectively" My Query is Select * from data [data table contains 20,000 rows] For page #1 I get 50 records and for page #2 I want to get next 50 records. How can I implement it efficiently in JDBC? I have searched and found that rs.absolute(row) is the way to skip first page records but it takes some amount of time on large result sets and I don't want to bear this amount of time. Also, I don't want to use rownum and limit + offset in query because these are not good to use in query, I dont know why, still I don't want to use it in query. Can anyone help me how to get limited ResultSet for pagination or is there any way JDBC is giving us?

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• Using php to create a password system with chinese characters

  - by WillDonohoe

  Hi guys, I'm having an issue with validating chinese characters against other chinese characters, for example I'm creating a simple password script which gets data from a database, and gets the user input through get. The issue I'm having is for some reason, even though the characters look exactly the same when you echo them out, my if statement still thinks they are different. I have tried using the htmlentities() function to encode the characters, the password from the database encodes nicely, giving me a working '& #35441;' (I've put a space in it to stop it from converting to a chinese character!). The other user input value gives me a load of funny characters. The only thing which I believe must be breaking it, is it encodes in a different way and therefore the php thinks it's 2 completely different strings. Does anybody have any ideas? Thanks in advance, Will

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• How to insert large files in mysql database using php? [closed]

  - by anjan

  Hi! I want to upload a large file of size 10M max to my mysql database. Using .htaccess i changed the PHP's own file upload limit to "10485760" = 10M, i am able to upload files upto 10M size without any problem. But i can not insert the file in database if it is more that 1M in size. i am using file_get_contents to read all file data and pass it to the insert query as a string to be inserted into a LONGBLOB field. But files with more than 1M size is not being added to database, though i can use print_r($_FILES) to examine that the file uploaded correctly. Any help will be appreciated and i will need it within next 6 hours. So, please help! best regards, Anjan * This is a duplicate of http://stackoverflow.com/questions/492549/how-can-i-insert-large-files-in-mysql-db-using-php *

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• How do (or can I) hack a gem temporarily while looking for a bug?

  - by Tom Andersen

  I have a gem installed in my home directory on a laptop (eg not THE server). I have installed ruby 1.9.1 and also some other gems, notably right_aws - which allows access to s3, etc with ruby. All works, except there is a bug when I do a query on SimpleDB, and the returned list of items includes an item with any two byte utf-8 character in its itemName(). So I look through the sources of the right_aws gem installed on my machine, and I can see some places where I would like to test a fix. If I edit the file, save changes, (needing a password), then restart the server (script/server), it ignores my changes. I am quite new at ruby - do you have to 'compile' or other similar move to get the source code changes made take effect? I can see the edited file is changed by viewing it in terminal, etc.

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• DocumentBuilder.parse() / Parsing Entities

  - by stormin986

  I'm new to parsing XML and am having an issue with entities. (Am doing this on Android, if it makes a difference). Is there a way to have it turn an entity into the character it represents? I have this in the child of an element: "isn&#39;t" (minus quotes). I would prefer it parse it and the end result be a single text node. However, right now this is turned in to TEXT, ENTITY, TEXT. Is there a way to automatically have it parse the entity into text, or a manual way to do it?

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• mysql fetch error

  - by Luke

  <? $res = $database->userLatestStatus($u); while($row=mysql_fetch_assoc($res)){ $status=$row['status']; echo "$status"; } ?> This is the code on my page, which is throwing up the following error: Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL result resource.... The database function: function userLatestStatus($u) { $q = "SELECT status FROM ".TBL_STATUS." WHERE userid = '$u' DESC LIMIT 1"; return mysql_query($q, $this->connection); } Any ideas what the problem is?

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• Socket.io Duplicate clients on a namespace

  - by Servernumber

  Hi I'm trying to use dynamic namespace to create them on demand. It's working except that I get duplicate or more client for some reason Server side : io.of("/" + group ).on("connection", function(socket_group) { socket_group.groupId = group; socket_group.on("infos", function(){ console.log("on the group !"); }) socket_group.on('list', function () { Urls.find({'group' : '...'}).sort({ '_id' : -1 }).limit(10).exec(function(err, data){ socket_group.emit('links', data); }); }) [...] }) Client Side : socket.emit('list', { ... }); On the client side only one command is sent but the server is always responding with 2 or more responses. Every time I close/open my app the response is incremented. Thanks if you find out.

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• C: Why does gcc allow char array initialization with string literal larger than array?

  - by Ashwin

  int main() { char a[7] = "Network"; return 0; } A string literal in C is terminated internally with a nul character. So, the above code should give a compilation error since the actual length of the string literal Network is 8 and it cannot fit in a char[7] array. However, gcc (even with -Wall) on Ubuntu compiles this code without any error or warning. Why does gcc allow this and not flag it as compilation error? gcc only gives a warning (still no error!) when the char array size is smaller than the string literal. For example, it warns on: char a[6] = "Network"; [Related] Visual C++ 2012 gives a compilation error for char a[7]: 1>d:\main.cpp(3): error C2117: 'a' : array bounds overflow 1> d:\main.cpp(3) : see declaration of 'a'

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• adding count( ) column on each row

  - by Arsenal

  I'm not sure if this is even a good question or not. I have a complex query with lot's of unions that searches multiple tables for a certain keyword (user input). All tables in which there is searched are related to the table book. There is paging on the resultset using LIMIT, so there's always a maximum of 10 results that get withdrawn. I want an extra column in the resultset displaying the total amount of results found however. I do not want to do this using a seperate query. Is it possible to add a count() column to the resultset that counts every result found? the output would look like this: ID Title Author Count(...) 1 book_1 auth_1 23 2 book_2 auth_2 23 4 book_4 auth_.. 23 ... Thanks!

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• Select past date from database x days from now

  - by Pr0no

  Consider the following table daterange _date trading_day ------------------------ 2011-08-01 1 2011-07-31 0 2011-07-30 0 2011-07-29 1 2011-07-28 1 2011-07-27 1 2011-07-26 1 2011-07-25 1 2011-07-24 0 2011-07-23 0 2011-07-22 1 2011-07-21 1 2011-07-20 1 2011-07-19 1 2011-07-18 1 2011-07-17 0 I'm in need of a query that returns a _date, x days before a given _date. When counting back, _days with trading_day = 0 should be ignored. A few examples: input | output -------------------------+------------ 1 day before 2011-07-19 | 2011-07-18 2 days before 2011-08-01 | 2011-07-28 (trading_day = 0 don't count) 3 days before 2011-07-29 | 2001-07-26 The first one is easy: SELECT _date FROM daterange WHERE trading_day = 0 AND _date < '2011-07-19' LIMIT 1 But I don't know how to query for the other examples. Do you?

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• Why a revert a file in EGit, but the dirty symbol '<' still exist in the project view?

  - by Happier

  I try EGit revert for several days, It's very confuse that when I revert the file following the user guide, and I still got the file dirty symbol in the related file. http://wiki.eclipse.org/EGit/User_Guide#Reverting_Changes I choose 'Replace with' - 'File in Git Index', it works, the content has been revert, but the symbol stays the same, sometimes, the symbol will disappear after a while, but sometimes, it didn't disappear. I'm using eclipse on windows, I'm not sure it's about the '\r\n' character. But I use 'Compare with ' - 'File in Git Index', two files look the same. Hope someone can tell me why, I think it can be a bug? Thank you in advance.

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• [MySQL] Optimize Query

  - by bordeux

  Hello. I have problem with optimize this query: SET @SEARCH = "dokumentalne"; SELECT SQL_NO_CACHE `AA`.`version` AS `Version` , `AA`.`contents` AS `Contents` , `AA`.`idarticle` AS `AdressInSQL` , `AA` .`topic` AS `Topic` , MATCH (`AA`.`topic` , `AA`.`contents`) AGAINST (@SEARCH) AS `Relevance` , `IA`.`url` AS `URL` FROM `xv_article` AS `AA` INNER JOIN `xv_articleindex` AS `IA` ON ( `AA`.`idarticle` = `IA`.`adressinsql` ) INNER JOIN ( SELECT `idarticle` , MAX( `version` ) AS `version` FROM `xv_article` WHERE MATCH (`topic` , `contents`) AGAINST (@SEARCH) GROUP BY `idarticle` ) AS `MG` ON ( `AA`.`idarticle` = `MG`.`idarticle` ) WHERE `IA`.`accepted` = "yes" AND `AA`.`version` = `MG`.`version` ORDER BY `Relevance` DESC LIMIT 0 , 30 Now, this query using ^ 20 seconds. How to optimize this? EXPLAIN gives this: 1 PRIMARY AA ALL NULL NULL NULL NULL 11169 Using temporary; Using filesort 1 PRIMARY ALL NULL NULL NULL NULL 681 Using where 1 PRIMARY IA ALL accepted NULL NULL NULL 11967 Using where 2 DERIVED xv_article fulltext topic topic 0 1 Using where; Using temporary; Using filesort This is example server with my data: user: bordeux_4prog password: 4prog phpmyadmin: http://phpmyadmin.bordeux.net/ chive: http://chive.bordeux.net/

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