Search Results

Search found 15878 results on 636 pages for 'hidden field'.

Page 429/636 | < Previous Page | 425 426 427 428 429 430 431 432 433 434 435 436  | Next Page >

• Button in gridview

  - by Rajeev

  I'm using a button in a template field of gridview. On button click I want to redirect to another page but it throws an exception: Invalid postback or callback argument. Event validation is enabled using in configuration or <%@ Page EnableEventValidation="true" % in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation. What can I do to resolve this problem?

  Read the article

• Understanding how to inject object dependencies

  - by Hans

  I have an object that loads an instance of another object in a method. $survey = new survey; $question = new question($survey); $question-load($question_id); class question { public function __construct(&$survey) { $this-survey = $survey; } public function load ($id) { // now a question is loaded // want to load the survey that this question is in $this->survey->load($this->get('survey_id')); // ** survey_id is a field in the questions table // now $this->survey object has all the info about the survey this question is in } private function get($name) { // returns $name, if isset() from array that load() sets } } This is frying my brain, though, because it seems like $survey should come into $response already being a complete object. But, how do I do that, if I don't know what survey_id to load until I'm in the object? I am revamping a site and the most complex part is littered with this issue. TIA - Hans.

  Read the article

• Adding help button for each window

  - by Miraaj

  Hi all, I have found that user can associate help with his application using Help Viewer. Users typically launch Help Viewer by choosing the application help item from the Help menu, or by typing a query in the Spotlight For Help text field in the Help menu. I have some different requirement: I want to associate component specific help to my application, means that there will be a small '?' marked icon at bottom left corner of a window and when user clicks it, appropriate help page will open. This case is similar to 'print' panels where there is a small '?' icon. Can anyone suggest me some way to accomplish it, if it is possible? Thanks, Miraaj

  Read the article

• Cocoa Key Value Bindings: What are the explanations of the various options for Controller Key?

  - by Elisabeth

  When I bind a control to an NSArrayController using Interface Builder, there are a variety of options under the "Controller Key" field in the bindings inspector. I understand what "arrangedObjects" is, and I semi-understand what "selection" is, but I'd love to see a really nice explanation of all the options and when to use each one. The list includes: selectionIndexes, selectionIndex, selectedObject, sortDescriptors, etc. I haven't been able to find a good explanation of these options. I'm having trouble with a button that's bound to target selection, so I'm hoping a much deeper understanding of these Controller Keys might help me debug my issue. Thanks!!!

  Read the article

• Imports and Depends

  - by David Diez

  I have read two recent posts that discuss Depends and Imports but I have four lingering, related questions: Suppose I want two packages to also be available to the end-user when they load in my package. Is there a good reason not to use Depends in this context? (The point here is to load all three packages via a command that loads just the one package.) Is it okay to specify a package in both the Depends and Imports fields? If a package is listed in Depends, is there a point to also listing it in Imports? Or are the benefits of Imports already negated by using Depends? [Added Question] Is the following correct? A package should be listed in the Imports field of the DESCRIPTION file if and only if the package is imported (in whole or in part) in the NAMESPACE file. Thanks much! David

  Read the article

• ASP Calendar control returns Date type but I need Datetime to insert into SQL Server 2005

  - by rafael

  Hello, I am using a ASP Calendar control to insert a datetime value into a field to be part of an insert to a SQL Server 2005 db table. I get the following error when i submit the form to server and try to insert into table: [ArgumentException: The version of SQL Server in use does not support datatype 'date'.] Seems like Calendar control returns a Date type value. How could i make the Calendar control return a Datetime value instead? I know now that SQL Server 2005 does not support Date type fields.

  Read the article

• What should the SQL keyword "ISABOUT" [deprecated?] be replaced with?

  - by Atomiton

  In MS SQL Full-text search, I'm using ISABOUT in my queries. For example, this should return the top 10 ProductIDs (PK) with a RANK Field in the ProductDetails Table SELECT * FROM CONTAINSTABLE( ProductDetails, *, ISABOUT("Nikon" WEIGHT (1.0), "Cameras" Weight(0.9)), 10 ) However, according to the SQL Documentation ISABOUT is deprecated. So, I have two questions: What is ISABOUT being replaced with? DO I even NEED any extra SQL Command there? ( IOW, would just putting the search phrase 'Nikon Cameras' be better? ) What I was originally trying to accomplish here was to weight the first word the highest, then the second word lower, and keep descending to 0.5 where I would just rank the remaining words at 0.5. My logic ( and perhaps it's flawed ) was that people's most relevant search words usually happen near the beginning of a phrase ( in English ). Am I going about this the wrong way? Is there a better way? Am I asking too many questions? (^_^) Thanks all for your time...

  Read the article

• alternatives to System.Diagnostics.Process.Start when command is too long

  - by Frank Schwieterman

  I have some code which is generating a rather long command that is being sent to System.Diagnostics.Process.Start(). The call fails with a Win32Exception, message "The filename or extension is too long". The path to the program itself is not very long, but the parameters passed in are quite long. I am calling the version where an instance of ProcessStartInfo is passed as the parameter, and in this case its the ProcessStartInfo.Arguments .Field that is very long. (other parameters: CreateNoWindow = true, UseShellExecute = false, RedirectStandardError = true). It looks like the exception is coming from a call to win32 function CreateProcess. Does anyone have an idea of another way to start the process?

  Read the article

• database design question

  - by Leonardo

  Hi all, I am building a database as a simple exercise, it could be hosted on any database server, so I am trying to keep things as much standard as possible. Basically what I would like to do is a 'code' table that get referenced by other entities. I explain: xcode id code r role p property code r admin r staff p title .... then I would like to have some view like: role (select * from code where xcode='r') r admin r staff property (select * from code where xcode='p') p title then, suppose we have an entity myentity id - 1 role - admin (foreign key to role) title - title (foreign key to property) Obviously I cannot create foreign key to a view, but this is to tell the idea I have in mind. How can I reflect such behaviour using whenever possible, standard sql syntax, then as a second option, database additional features like trigger ecc... ? Because if I tell that role and title in myentity are foreign key to 'code', instead of the views, nothing would stop me to insert a role in title field. thanks Leonardo

  Read the article

• ExpressionEngine: Why is this {exp:query} tag producing an error?

  - by Josh Brown

  Hi. I have this code in place to pull some relation data from the database based on a ID of another weblog entry. The relationship custom field would not work for my situation. I have tested the SQL with MySQL and get no errors. But I get an error when I pull up the page. {exp:query sql="SELECT entry_id,field_id_16,field_id_19 FROM exp_weblog_data WHERE field_id_15='2' AND weblog_id='6'"} Also, I want to populate the “field_id_15” from the url. I have tried using the “segment_*” tag, but nothing. Maybe it is something else. Any help is greatly appreciated. Thanks, Josh

  Read the article

• Reading correctly alphanumeric fields into R

  - by gd047

  A tab-delimited text file, which is actually an export (using bcp) of a database table, is of that form: 102 1 01 e113c 3224.96 12 102 1 01 e185 101127.25 12 102 2 01 e185 176417.90 12 102A 3 01 e185 26261.03 12 I tried to import it in R with a command like data <- read.delim("C:\\test.txt", header = FALSE, sep = "\t") The problem is that the 3rd column which is actually a varchar field (alphanumeric) is mistakenly read as integer (as there are no letters in the entire column) and the leading zeros disappeared. The same thing happened when I imported the data directly from the database, using odbcConnect. Again that column was read as integer. str(data) $ code: int 1 1 1 1 1 1 6 1 1 8 ... How can I import such a dataset in R correctly, so as to be able to safely populate that db table again, after doing some data manipulations?

  Read the article

• smarter character replacement using ruby gsub and regexp

  - by agriciuc

  Hi guys! I'm trying to create permalink like behavior for some article titles and i don't want to add a new db field for permalink. So i decided to write a helper that will convert my article title from: "O "focoasa" a pornit cruciada, împotriva barbatilor zgârciti" to "o-focoasa-a-pornit-cruciada-impotriva-barbatilor-zgarciti". While i figured out how to replace spaces with hyphens and remove other special characters (other than -) using: title.gsub(/\s/, "-").gsub(/[^\w-]/, '').downcase I am wondering if there is any other way to replace a character with a specific other character from only one .gsub method call, so I won't have to chain title.gsub("a", "a") methods for all the UTF-8 special characters of my localization. I was thinking of building a hash with all the special characters and their counterparts but I haven't figured out yet how to use variables with regexps. What I was looking for is something like: title.gsub(/\s/, "-").gsub(*replace character goes here*).gsub(/[^\w-]/, '').downcase Thanks!

  Read the article

• Wordpress, PodCMS and Search

  - by Vian Esterhuizen

  Hey guys, I have a WordPress site for a client. He owns a video store, and I made a site for him to update the list of movies, usually just the "new this week" movies. The Pod has a field where you insert the release date. 2010-04-20 Then there is a Pod page/template combo that calls the movies with a certain release date like this: $date = pods_url_variable('last'); He then just creates a blank WP page with the slug 2010-04-20 So when you open that page, the Pod page/template reads that slug and renders a list of the appropriate movies. My problem: I need these to be searchable. Is this possible. I'm also open to suggestions on other ways to go about making this site work. I need it to be as simple as that. Uploads some movies and creates a new page. Then the rest is done automatically. Please and thank you guys

  Read the article

• Jquery username check

  - by Sergio

  I'm using this Jquery function for available username check. How can I fire this Jquery function only if the username field is greater of 5 characters? Jquery looks like: $(document).ready(function() { $('#usernameLoading').hide(); $('#username').blur(function(){ $('#usernameLoading').show(); $.post("usercheck.php", { un: $('#username').val() }, function(response){ $('#usernameResult').fadeOut(); setTimeout("finishAjax('usernameResult', '"+escape(response)+"')", 400); }); return false; }); }); function finishAjax(id, response) { $('#usernameLoading').hide(); $('#'+id).html(unescape(response)); $('#'+id).fadeIn(); } //finishAjax Can I use something like this and how: var usr = $("#username").val(); if(usr.length >= 5) { }

  Read the article

• How to start recognizing design patterns as you are programming?

  - by Jon Erickson

  I have general academic knowledge of the various design patterns that are discussed in GoF and Head First Design Patterns, but I have a difficult time applying them to the code that I am writing. A goal for me this year is to be able to recognize design patterns that are emerging from the code that I write. Obviously this comes with experience (I have about 2 years in the field), but my question is how can I jumpstart my ability to recognize design patterns as I am coding, maybe a suggestion as to what patterns are easiest to start applying in client-server applications (in my case mainly c# webforms with ms sql db's, but this could definitely be language agnostic).

  Read the article

• Acquiring Table Lock in Database - Interview Question

  - by harigm

  One of my interview Questions, if multiple users across the world are accessing the application, in which it uses a Table which has a Primary Key as Auto Increment Field. The Question how can you prevent the other user getting the Same Primary key when the other user is executing? My answer was I will obtain the Lock on the table and I will make the user to wait Until that user is released with the Primary key. But the Question How do you acquire the Table lock programmatically and implement this? If there are 1000 users coming every minute to the application, if you explicity hold the lock on the table, then the application will become slower? How do you manage this? Please suggest the possible answers for the above question

  Read the article

• SELECT SUM returns a row when there are no records

  - by Jose L Martinez-Avial

  Hi, I'm finding some problems with a query that returns the sum of a field from a table for all the records that meet certain conditions. I expected to receive a "No records found' when there were no records, but instead I'm receiving a null result. SQL> SELECT * FROM DUAL WHERE 1=2; no rows selected SQL> SELECT SUM(dummy) FROM DUAL WHERE 1=2; SUM(DUMMY) ---------- SQL> Is there any way to not receive any record in that case?

  Read the article

• How to maintain the HTML semantics when HTML is used for drawing diagrams (like organizational chart

  - by Vijay

  I have created an organizational chart using ASP.NET on web page. The web page is using strict DOCTYPE and following W3C standards. The chart has a hierarchical layout decided by the manager field in the table that contains employees in the organization. The chart layout has nodes with employee image and other details like job title, department and contact details. Nodes are beautifully arranged and connected by lines (only horizontal or vertical or both). A lot of DIV elements are used (to avoid table) for connecting lines and arranging the chart properly. As suggested by my friend, using DIVs for connecting lines in the chart is semantically wrong. Is there a way by which I can make it semantically correct? Or, am I using HTML for the wrong purpose?

  Read the article

• Create a many to many relationship in Entity Framework skipping extra data in the link table.

  - by Paul Smith

  I would like to model the following many to many relationship. Table A ID Field1 Field2 Table B ID Field1 Field2 LinkTable A_ID B_ID Field_I_want_to_ignore As I understand it, if LinkTable.Field_I_want_to_ignore was not present, the Entity Model Designer would automatically create a Many to Many relationship between entity A and entity B. However, because this field exists in the database the designer won't do it for me. I can delete the Field_I_want_to_ignore from the LinkTable Entity that the designer created for me, but how do I eliminate the LinkTable entity altogether and create the many to many relationship I want? I'm not averse to digging through the XML, just at the moment I can't see how to achieve what I want.

  Read the article

• Use variable as dictionary key in Django template

  - by CaptainThrowup

  I'd like to use a variable as an key in a dictionary in a Django template. I can't for the life of me figure out how to do it. If I have a product with a name or ID field, and ratings dictionary with indices of the product IDs, I'd like to be able to say: {% for product in product_list %} <h1>{{ ratings.product.id }}</h1> {% endfor %} In python this would be accomplished with a simple ratings[product.id] But I can't make it work in the templates. I've tried using with... no dice. Ideas?

  Read the article

• how to write re-usable views in django?

  - by rz

  These are the techniques that I use regularly to make my views reusable: take the template_name as an argument with a default take an optional extra_context which defaults to empty {} right before the template is rendered the context is updated with the extra_context for further re-usability, call any callable in extra_context.values() whenever the view deals with a queryset, there is a queryset argument with a default whenever the view needs a particular object from the ORM, it attempts to fetch it using any "id" parameter in several ways (e.g. as a slug, as a database id) (this may be a bad practice...) First, Should I add anything to my list? Should I remove anything from my list? The items accommodates a large number of cases. However, whenever an app extends a model of another in some way (e.g. adding a field or changing the behavior in some way) I end up writing my own views and only reusing the model. Is this normal?

  Read the article

• how to category/subcategory/city/firm-name url?

  - by kkalgidim

  iam using ruby on rails i have models -category -subcategory -city -firm when i click on category it will show sub categories and permalink should be: xxx.com/category when i click subcategory it will show firms and city names. xxx.xom/category/subcategory when i clikc on city name it will filter firms belongs to that city xxx.com/category/subcategory/city when i clikc on firm name it will show xxx.com/category/subcategory/city/firm-name firms may have more than one sub category i used premalink_fu but i could not do that sub category system. category,subcategory,city,firm tables have their own permalink field on db. but i dont know how to combine them dynamically. i can do xxx.com/category but icant do xxx.com/category/subcategory how can i do that please help me

  Read the article

• Is there something like "if not exist create sequence ..." in Oracle SQL?

  - by Timo

  Very probably a noob question: For my application that uses an Oracle 8 DB, I am providing an SQL script to setup stuff like triggers, sequences etc., which can be copied and pasted into SQL*Plus. I would like the script to not stop with an error if a sequence that I am trying to create already exists. For a Trigger this can easily be done using "create or replace trigger ...", but for a sequence this does not work. Is there some alternative, like "if not exists mysequence then create sequence ..." (I tried this but it did not work :) ) Alternatively, if this is not possible, is there a way to do a "drop sequence mysequence" without SQL*Plus aborting the script if mysequence does not exist? Thanks. PS: I wish Oracle just had a simple Autoinc field type ... sigh.

  Read the article

• Rails - how can I query the db w/o touching the sessions table

  - by sa125

  Hi - I'm trying to provide a HTTP api to my app that queries a db that's read-only (for replication purposes). I find that my app crashes repeatedly when making a request b/c the call is trying to update the sessions table whenever I query the db. This doesn't happen when I return some text without hitting the database for info. class APIController < AplicationController def view data = Product.find(params[:id]).to_json # will fail data = { :one => 1, :two => 2 }.to_json # will succeed respond_to do |format| format.html { render :json => data } end end end How do I restrict it from touching the sessions table on this request (it's currently issuing an UPDATE on the updated_at field for that session). thanks.

  Read the article

• Django equivalent for latest entry for each user

  - by paul-ogrady

  Hi, I'm surprised this question hasn't come up. Couldn't find much on the web. Using Entry.objects.latest('created_at') I can recover the latest entry for all Entry objects, but say if I want the latest entry for each user? This is something similar to an SQL latest record query. But how do I achieve this using the ORM? Here is my approach I'm wondering if it is the most efficient way to do what I want. First I perform a sub query: Objects are grouped by user and the Max (latest) created_by field is returned for each user (created_at__max) I then filter Entry objects based on the results in the subquery and get the required objects. Entry.objects.filter(created_at__in=Entry.objects.values('user').annotate(Max('created_at')).values_list('created_at__max')) or using a manager: class UsersLatest(models.Manager): def get_query_set(self): return Super(UsersLatest,self).get_query_set().filter(created_at__in=self.model.objects.values('user').annotate(Max('created_at')).values_list('created_at__max')) Is there a more efficient way? possibly without sub query? Thanks, Paul

  Read the article

< Previous Page | 425 426 427 428 429 430 431 432 433 434 435 436  | Next Page >