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• FLIR: avoiding ugly page loads

  - by justinbach

  I'm building a site that makes extensive use of FLIR to allow the use of non-websafe fonts. However, pageloads are an ugly process, as first the HTML text version of each field loads and then (a few hundred milliseconds later) it's replaced by its FLIR image counterpart. Is there any way to avoid this sort of thing? I've got a client presentation in a few hours and I know it'll raise eyebrows. My situation is sort of related to this question which is in regards to sIFR, not FLIR. Any ideas? Thanks, Justin

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• How to know if a MySQL UPDATE query fails because information being supplied matches data already in

  - by Mike

  I have a query where the user types a block of text in a textarea field. They are able to save this information in a database. The problem is that if they have not changed the information or if the information matches the data already in the database, I recieve a '0' for affected rows. Usually I display an error that says the query failed when there are no affected rows. How would I 'know' that the 0 affected rows is because the data already exists, so that I can display a more specific error?

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• downloading full page text from a web domain

  - by user362808

  Howdy, folks! First time here -- thought I'd field a question on behalf of a coworker. Somebody in my lab is doing a content analysis (e.g. reading an article or transcript line by line and identifying relevant themes) of the web presences of various privatized neuroimaging centers (e.g. http://www.canmagnetic.com/). She's been c/ping entire site maps by hand, and I know I could slap something together with Python to follow links and dump full text (with line numbers) for her, but I've never actually done anything quite like this. Any ideas for how I'd get started? Cheers, -alex

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• before_save not working with Rails 3

  - by Mich Dart

  I have this Project model: class Project < ActiveRecord::Base validates :status, :inclusion => { :in => ['active', 'closed'] } validates :title, :presence => true, :length => { :in => 4..30 } before_save :set_default_status_if_not_specified private def set_default_status_if_not_specified self.status = 'active' if self.status.blank? end end If I create a new object like this: Project.create!(:title => 'Test 2', :pm_id => 1) I get these errors: Validation failed: Status is not included in the list But status field should get filled in before save.

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• beforeSave() returned some error

  - by kwokwai

  Hi all, I got a simple input text field in a HTML form: <input type="text" name="data[User][pswd]" id="data[User][pswd]"> The scripts for the Controller's action that captured the data is as follows: function register(){ $temp = $this->data; if(strlen($temp['User']['pswd'])>6) { if ($this->User->save($this->data)) { $this->Session->setFlash('Data was Saved'); } } } // this script works And in the Model controller, I got these lines of codes: function beforeSave() { $raw = $this->data; if(strlen($raw['User']['pswd'])>6){ md5($raw['User']['pswd']); } return true; } // this script failed to work The data was stored into the Database successfully but it was not undergone any MD5 encryption. I think that there must be some errors in the Model's script because I saw some errors flashed after the data was saved, but the screen that showed the errors immediately refreshed in a second after the data was saved successfully and I couldn't see the detail of the errors that caused the problem. Could you help me out please?

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• Form POST or sessions?

  - by eddienotizzard

  If you have an item where you allow users to add comments, how can you pass which item the user is replying too? I've though of using a hidden field in a form, however this can be easily changed using plugins such as firebug: <form method="post" action="blah"> <input type="hidden" name="item_id" value="<?php echo $item_id; ?>"> <!-- other form data here --> <input type="submit" name="submit"> </form> Or just simply using a session: $_SESSION['item_id'] = $item_id Is there a safe way to send the item data in a form?

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• Any Way to Use a Join in a Lambda Where() on a Table<>?

  - by lush

  I'm in my first couple of days using Linq in C#, and I'm curious to know if there is a more concise way of writing the following. MyEntities db = new MyEntities(ConnString); var q = from a in db.TableA join b in db.TableB on a.SomeFieldID equals b.SomeFieldID where (a.UserID == CurrentUser && b.MyField == Convert.ToInt32(MyDropDownList.SelectedValue)) select new { a, b }; if(q.Any()) { //snip } I know that if I were to want to check the existence of a value in the field of a single table, I could just use the following: if(db.TableA.Where(u => u.UserID == CurrentUser).Any()) { //snip } But I'm curious to know if there is a way to do the lambda technique, but where it would satisfy the first technique's conditions across those two tables. Sorry for any mistakes or clarity, I'll edit as necessary. Thanks in advance.

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• Regex if-else expression

  - by craig

  I'm trying to extract the # of minutes from a text field using Oracle's REGEXP_SUBSTR() function. Data: Treatment of PC7, PT1 on left. 15 min. 15 minutes. 15 minutes 15 mins. 15 mins 15 min. 15 min 15min 15 In each case, I'm hoping to extract the '15' part of the string. Attempts: \d+ gets all of the numeric values, including the '7' and '1', which is undesirable. (\d)+(?=\ ?min) get the '15' from all rows except the last. (?((\d)+(?=\ ?min))((\d)+(?=\ ?min))|\d+), an if-else statement, doesnt' match anything. What is wrong with my if-else statement?

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• Sphinx without using an auto_increment id

  - by squeeks

  I am current in planning on creating a big database (2+ million rows) with a variety of data from separate sources. I would like to avoid structuring the database around auto_increment ids to help prevent against sync issues with replication, and also because each item inserted will have a alphanumeric product code that is guaranteed to be unique - it seems to me more sense to use that instead. I am looking at a search engine to index this database with Sphinx looking rather appealing due to its design around indexing relational databases. However, looking at various tutorials and documentation seems to show database designs being dependent on an auto_increment field in one form or another and a rather bold statement in the documentation saying that document ids must be 32/64bit integers only or things break. Is there a way to have a database indexed by Sphinx without auto_increment fields as the id?

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• If I can't use datacontext in a static

  - by Richard77

  Hello, I've got this public static class MyClassHelper { DataContex db = new DataContext(); public static Type MyMethod() { //Do Something with db // such as db.myTable } } I'm getting the following error: "An object reference is required for the non-static field, method or property..." Is there anyway to get around this? How about this. I've an object that contains only integers, which is fine for all the internal functionings as it allows me to link tables. But occasionaly, I need to display some information to the user. That's why, I'd like to create a static method so it would read the integer, look up in the DB, and display a name instead of a number. I want it to be a static method so that I can use it in my View template. Thanks for helping

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• Implementing "select distinct ... from ..." over a list of Python dictionaries

  - by daveslab

  Hi folks, Here is my problem: I have a list of Python dictionaries of identical form, that are meant to represent the rows of a table in a database, something like this: [ {'ID': 1, 'NAME': 'Joe', 'CLASS': '8th', ... }, {'ID': 1, 'NAME': 'Joe', 'CLASS': '11th', ... }, ...] I have already written a function to get the unique values for a particular field in this list of dictionaries, which was trivial. That function implements something like: select distinct NAME from ... However, I want to be able to get the list of multiple unique fields, similar to: select distinct NAME, CLASS from ... Which I am finding to be non-trivial. Is there an algorithm or Python included function to help me with this quandry? Before you suggest loading the CSV files into a SQLite table or something similar, that is not an option for the environment I'm in, and trust me, that was my first thought.

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• PHP MYSQL Insert Data in Arabic Language

  - by h_a86

  I am trying to insert some Arabic Language data into MySQL using PHP and an HTML form. When I insert the data in to MYSQL table, the table field represents data as مرحبا العالم. But when I access the same data with PHP and show it in my webpage, it shows the correct data. I am using: http-equiv="Content-Type" content="text/html; charset=utf-8" meta tag in my web page to show Arabic data. My question is why my data looks like this: مرحبا العالم in MySQL table, and how should I correct it.

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• Explanation of NSMutableURLRequest : setHTTPMethod

  - by kkmoslehpour

  I am new to objective c programming. I am currently trying to insert data into mysql database. I have read a couple links on this and could not find the exact answer I am looking for. Here is what I am trying to do: I have my app that user inputs a name in a text field and once the press the add button, it makes a connection to my php file and my php file does the rest of the work (using POST method) and adds the name to the mysql dataase. I have seen a lot of people use NSMutableURLRequest : setHTTPMethod :POST`` in their code (in my case my php file does that and I don't haveNSMutableURLRequest` included in my code and it works perfectly fine.) My questions are: Are there any benefits of including NSMutableURLRequest in your code when you can just call your php code to take care of the POST for you? What does NSMutableURLRequest exactly do and which way is more efficient?

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• Problem building relationships between models

  - by Brian Roisentul

  Until now, I've been using acts_as_taggable_on plugin for tagging announcements. That plugin creates the following tables: taggings: relates tags and announcements table(for the tagged item, it has a field called taggable_id, which I rename to "announcement_id" for what I'll explain below). tags: has the tag ids and names. The other day, I discovered that I had no way of getting the announcements tagged with a certain tag, but doing Announcement.tagged_with(tag_name), and I don't want to search by name, but for id. So, as I'm using almost nothing of the functionality in that plugin, I decided to create the models for taggings and tags tables, to accomplish this: Announcement.tags. The models' relationships look as following: class Tagging < ActiveRecord::Base belongs_to :announcement belongs_to :tag end class Tag < ActiveRecord::Base has_many :announcements, :through => :taggings end class Announcement < ActiveRecord::Base has_many :tags, :through => :taggings Why can't I execute the command Announcement.tags? Because when I try, I get undefined method `tags'

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• How to get the default value of a column of MS Access Database using C++?

  - by user198750

  This is the sql script I used to create a table in MS Access Database. CREATE TABLE Contracts ( id int NULL DEFAULT 0, sex varchar(255) DEFAULT 'female' NOT NULL ) Now I want to programmatically get the default value of the field: "sex", I know it's 'female' but I don't know how to get it using C++ ADO interface. Below is a snippet of my code: m_pRecordset->Fields->get_Item(vIntegerType, &pvObject); bstrColName = pvObject->GetName(); dtype = pvObject->GetType(); attr = pvObject->GetAttributes();

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• Ruby on Rails - can't access datetime model object

  - by NomadicRiley

  I've created a model that has 3 string columns and a datetime. Everything is running in SQLite3 and I can view the records in my table just fine using Lita. I'm trying to display the values in a page (index action) using code like this: <% @details.each do |lifeCycle| % <%= debug(lifeCycle)% <%= lifeCycle.lifeCycleId % <%= lifeCycle.eventType % <%= debug(lifeCycle.timeId) % <% end % From the debug I get a result like this: --- !ruby/object:LifeCycle attributes: eventType: Order created_at: "2111359287.23037" timeId: "2455364.89983796" eventId: "98765" updated_at: "2111359287.23037" lifeCycleId: "12345" id: "1" attributes_cache: {} But whenever I try to access the event timeId - i' getting a nil value. This is true if i try to run debug on just that field debug(lifeCycle.timeId), or call a function on it. Is there something obvious I'm missing here?

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• Why is [date] + [time] non-deterministic in SQL Server 2008?

  - by John Gietzen

  I'm trying to do the following for my IIS logs table: ALTER TABLE [W3CLog] ADD [LogTime] AS [date] + ([time] - '1900-01-01') PERSISTED However, SQL Server 2008 tells me: Computed column 'LogTime' in table 'W3CLog' cannot be persisted because the column is non-deterministic. The table has this definition: CREATE TABLE [dbo].[W3CLog]( [Id] [bigint] IDENTITY(1,1) NOT NULL, ... [date] [datetime] NULL, [time] [datetime] NULL, ... ) Why is that non-deterministic? I really need to index that field. The table currently has 1598170 rows, and it is a pain to query if we can't do an index seek on the full time. Since this is being UNION'd with some other log formats, we can't very easily just use the two columns separately.

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• Optimizing MySQL queries with IN operator

  - by Arkadiusz Kondas

  I have a MySQL database with a fairly large table where the products are. Each of them has its own id and categoryId field where there is a category id belongs to this product. Now I have a query that pulls out products from given categories such as: SELECT * FROM products WHERE categoryId IN ( 1, 2, 3, 4, 5, 34, 6, 7, 8, 9, 10, 11, 12 ) Of course, come a WHERE clause and ORDER BY sort but not in this thing. Let's say that these products is 250k and the visits are over 100k per day. Under such conditions in the table slow_log registered weight of these queries with large generation time. Do you have any ideas how to optimize the given problem? Table engine is MyISAM.

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• assigning a rank based on total sales

  - by Nathaniel_613

  I need to create a field called “rank”, that ranks each part ID based on total sales, by assigning a sequential number based on total sales, where the higher the total sales, then the lower the rank value. For example, the part ID with the most sales would have a rank value of “1” and the part ID with the next highest sales would have a rank value of “2” and the part ID with the lowest sales would rank with the highest number. If 2 different parts ID’s have the same total sales, then it is OK if they share the same rank. Please provide me the SQL to copy and paste Thank you very much in advance, Nathaniel SELECT qry_rank_01.[total sales amount], qry_rank_01.PART_ID FROM qry_rank_01;

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• connection textfield and html table with database

  - by klox

  dear all..i have a textfield <tr> <td> <td><input type="text" id="mod"></td> </td> </tr> and a cell <tr> <td><div id="value">//i want data show here</div> </td> </tr> beside that, i've a table "settingdata" in database it consist of 2 field:itemdata and remark.. itemdata's value are "UD" and remark's value are "FM=87.5-108.0MHZ"... what must i do if i want after type "0103UD" at textfield inside <div id="value"></div> can show "FM=87.5-108.0mhz"...

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• How do I create if statements in php to perform a specific action depending on what form has string in it

  - by user1637284

  Im trying to create a grid on my page in each cell there will be a simple one line form. If a person enters data into lets say FieldA I would like the php to perform actionA but if the data was entered in FieldF I would like actionF performed. Is this possible without having to create a php for each cell and upload all those php files? Or is there a way to perform the GET method in each form to append the data to the end of the action url without the field name showing (ie sample.com/somestuff/fieldA instead of sample.com/somestuff/fieldname=fieldA) thus not needing php at all?

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• passing array fields to jquery ajax

  - by Rob Brandt

  I have a form I am submitting via jquery ajax. Early in the form, I have this field: <select name="inquirymodule[]" id="inquirymodule"> The user can add as many as they like, and all the selects go into the inquirymodule[] array. The jQuery looks like this: jQuery.ajax({ type: 'POST', url: 'ajax.php', dataType: 'json', data: { inquirymodule: jQuery("select[name='inquirymodule[]']").serialize(), }, error: function(XMLHttpRequest, textStatus, errorThrown) { alert('error'); } }); That works fine. Trying to do the same thing with a date, like this: <input class="formInput" type="text" id="startBreak0" name='startbreak[]' /> adding startbreak: jQuery("select[name='startbreak[]']").serialize() to the ajax call. It doesn't work, I cannot see why. Suggestions?

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• Obtaining a timestamp every minute from a database

  - by soumen

  This is my table structure: +------------+-----------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +------------+-----------+------+-----+---------+-------+ | uid | char(255) | NO | MUL | NULL | | | cid | char(255) | NO | MUL | NULL | | | ip_address | char(15) | NO | | NULL | | | user_agent | char(255) | YES | | NULL | | | open_date | datetime | NO | MUL | NULL | | | referrer | char(255) | YES | | NULL | | | environ | text | YES | | NULL | | | country | char(255) | NO | MUL | NULL | | +------------+-----------+------+-----+---------+-------+ I want to get a timestamp every minute within a range. select DATE_ADD(open_date,interval 1 minute) as m from open_track.camp_open where open_date between "2009-05-13 00:00:00" and "2009-05-13 23:59:59" limit 10; outputs +---------------------+ | m | +---------------------+ | 2009-05-13 00:01:01 | | 2009-05-13 00:01:02 | | 2009-05-13 00:01:03 | | 2009-05-13 00:01:03 | | 2009-05-13 00:01:04 | | 2009-05-13 00:01:05 | | 2009-05-13 00:01:06 | | 2009-05-13 00:01:08 | | 2009-05-13 00:01:08 | | 2009-05-13 00:01:09 | +---------------------+ Please advise me.

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• What to do if 2 (or more) relationship tables would have the same name?

  - by primehunter326

  So I know the convention for naming M-M relationship tables in SQL is to have something like so: For tables User and Data the relationship table would be called UserData User_Data or something similar (from here) What happens then if you need to have multiple relationships between User and Data, representing each in its own table? I have a site I'm working on where I have two primary items and multiple independent M-M relationships between them. I know I could just use a single relationship table and have a field which determines the relationship type, but I'm not sure whether this is a good solution. Assuming I don't go that route, what naming convention should I follow to work around my original problem?

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• What PHP function(s) can I use to perform operations on non-integer timestamps?

  - by stephenhay

  Disclaimer, I'm not a PHP programmer, so you might find this question trivial. That's why I'm asking you! I've got this kind of timestamp: 2010-05-10T22:00:00 (That's Y-m-d) I would like to subtract, say, 10 days (or months, whatever) from this, and have my result be in the same format, i.e. 2010-04-30T22:00:00. What function(s) do I need to do this in PHP? Note: I'm using this to do a computed field in Drupal. The result will be the date that an e-mail is sent. Bonus question: If 2010-05-10T22:00:00 means "May 10, 2010 at 10pm", is there a timestamp equivalent of "May 10, 2010 (all day)"? Thanks everyone.

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