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• getting last insert id .sqlalchemy orm

  - by gummmibear

  Hi i use sqlalchemy, i need some help. import hashlib import sqlalchemy as sa from sqlalchemy import orm from allsun.model import meta t_user = sa.Table("users",meta.metadata,autoload=True) class Duplicat(Exception): pass class LoginExistsException(Exception): pass class EmailExistsException(Exception): pass class User(object): """ def __setattr__(self, key, value): if key=='password' : value=unicode(hashlib.sha512(value).hexdigset()) object.__setattr__(self,key,value) """ def loginExists(self): try: meta.Session.query(User).filter(User.login==self.login).one() except orm.exc.NoResultFound: pass else: raise LoginExistsException() def emailExists(self): try: meta.Session.query(User).filter(User.email==self.email).one() except orm.exc.NoResultFound: pass else: raise EmailExistsException() def save(self): meta.Session.begin() meta.Session.save(self) try: meta.Session.commit() except sa.exc.IntegrityError: raise Duplicat() How can i get inserted id when i call? user = User() user.login = request.params['login'] user.password = hashlib.sha512(request.params['password']).hexdigest() user.email = request.params['email'] user.save()

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• C# Linq Entity Conversion Error on Nonexistent Value?

  - by Ryan

  While trying to query some data using the Linq Entity Framework I'm receiving the following exception: {"Conversion failed when converting the varchar value '3208,7' to data type int."} The thing that is confusing is that this value does not even exist in the view I am querying from. It does exist in the table the view is based on, however. The query I'm running is the following: return context.vb_audit_department .Where(x => x.department_id == department_id && x.version_id == version_id) .GroupBy(x => new { x.action_date, x.change_type, x.user_ntid, x.label }) .Select(x => new { action_date = x.Key.action_date, change_type = x.Key.change_type, user_ntid = x.Key.user_ntid, label = x.Key.label, count = x.Count(), items = x }) .OrderByDescending(x => x.action_date) .Skip(startRowIndex) .Take(maximumRows) .ToList(); Can somebody explain why LINQ queries the underlying table instead of the actual view, and if there is any way around this behavior?

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• Has anyone worked on caching?

  - by Rishabh Ohri

  Is there anyone who can answer my questions on SqlCachedependency Cache Invalidation Query Notifications etc etc etc

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• In cakePHP, how to retrieve joined result from multiple tables

  - by Manish Sharma

  Hi, can anyone tell me, how to retrieve joined result from multiple tables in cakePHP ( using cakePHP mvc architecture). For example, I have three tables to join (tbl_topics, tbl_items, tbl_votes. Their relationship is defined as following: a topic can have many items and an item can have many votes. Now I want to retrieve a list of topics with the count of all votes on all items for each topic. The SQL query for this is written below: SELECT Topic.*, count(Vote.id) voteCount FROM tbl_topics AS Topic LEFT OUTER JOIN tbl_items AS Item ON (Topic.id = Item.topic_id) LEFT OUTER JOIN tbl_votes AS Vote ON (Item.id = Vote.item_id); My problem is I can do it easily using $this-><Model Name>->query function, but this requires sql code to be written in the controller which I don't want. I'm trying to find out any other way to do this (like find()).

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• when I click submit it should change the text and update the row something is wrong there

  - by Yousef Altaf

  good morning programers, I have this small code which content a news control panel and I made a submit button there to active or inactive the news row so if I click on this button it should change if it's active it will be inactive it worked but there's something wrong there when I click on item one it updates the last on the table not the first on as it should do. here is the code that I use <?php $getNewsData="select * from news"; $QgetNewsData=$db->query($getNewsData)or die($db->error); $count=mysqli_num_rows($QgetNewsData); while($newsRow = mysqli_fetch_array($QgetNewsData)) { $getActivityStatus=$newsRow['news_activity']; switch($getActivityStatus){ case 1: echo"<input style='color:red; font-weight:bold; background:none; border:0;' name='inactive' type='submit' value='?????' /><input name='inActive' type='hidden' value='".$newsRow['news_id']."'/>"; break; case 0: echo"<input style='color:green; font-weight:bold; background:none; border:0;' name='active' type='submit' value='?????' /><input name='Active' type='hidden' value='".$newsRow['news_id']."'/>"; break;} } if(isset($_POST['inactive'])){ $inActive=$_POST['inActive']; echo $inActive; $updateStatus="UPDATE news SET news_activity=0 WHERE news_id='".$inActive."' "; $QupdateStatus=$db->query($updateStatus)or die($db->error); if($QupdateStatus){ } } if(isset($_POST['active'])){ $Active=$_POST['Active']; echo $Active; $updateStatus="UPDATE news SET news_activity=1 WHERE news_id='".$Active."' "; $QupdateStatus=$db->query($updateStatus)or die($db->error); if($QupdateStatus){ header("Location:CpanelHome.php?id=7"); } } ?> please any idea to solve this problem. Thanks, regards

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• mySQL experts - need help with 'intersect'

  - by MTCreations

  I know that mySQL 5.x does not support INTERSECT, but that seems to be what I need. Table A: Products (p_id) Table B: Prod_cats (cat_id) - category info (name, description, etc) Table C: prod_2cats (p_id, cat_id) - many to many prod_2cats holds the many (1 or more) categories that have been assigned to Products (A). Doing a query/filter lookup, (user interactive) and need to be able to select across multiple categories the products that meet ALL the criteria. Ex: - 80 products assigned to Category X - 50 products assigned to Category Y - but only 10 products (intersect) are assigned to BOTH cat X AND cat Y This sql works for one category: SELECT * FROM products WHERE p_show='Y' AND p_id IN ( SELECT p_id FROM prods_2cats AS PC WHERE PC.cat_id =" . $cat_id ." <-$cat_id is sanitized var passed from query form . I can't seem to find the means to say ' give me the intersect of cat A and cat B' and get back the subset (10 records, from my example) Help!

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• Yii - Custom GridView with Multiple Tables

  - by savinger

  So, I've extended GridView to include an Advanced Search feature tailored to the needs of my organization. Filter - lets you show/hide columns in the table, and you can also reorder columns by dragging the little drag icon to the left of each item. Sort - Allows for the selection of multiple columns, specify Ascending or Descending. Search - Select your column and insert search parameters. Operators tailored to data type of selected column. Version 1 works, albeit slowly. Basically, I had my hands in the inner workings of CGridView, where I snatch the results from the DataProvider and do the searching and sorting in PHP before rendering the table contents. Now writing Version 2, where I aim to focus on clever CDbCriteria creation, allowing MySQL to do the heavy lifting so it will run quicker. The implementation is trivial when dealing with a single database table. The difficulty arises when I'm dealing with 2 or more tables... For example, if the user intends to search on a field that is a STAT relation, I need that relation to be present in my query. Here's the question. How do I assure that Yii includes all with relations in my query so that I include comparisons? I've included all my relations with my criteria in the model's search function and I've tried CDbCriteria's together ... public function search() { $criteria=new CDbCriteria; $criteria->compare('id', $this->id); $criteria->compare( ... ... $criteria->with = array('relation1','relation2','relation3'); $criteria->together = true; return new CActiveDataProvider( get_class($this), array( 'criteria'=>$criteria, 'pagination' => array('pageSize' => 50) ));} But I still get errors like this... CDbCommand failed to execute the SQL statement: SQLSTATE[42S22]: Column not found: 1054 Unknown column 't.relation3' in 'where clause'. The SQL statement executed was: SELECT COUNT(DISTINCT `t`.`id`) FROM `table` `t` LEFT OUTER JOIN `relation_table` `relation0` ON (`t`.`id`=`relation0`.`id`) LEFT OUTER JOIN `relation_table` `relation1` ON (`t`.`id`=`relation1`.`id`) WHERE (`t`.`relation3` < 1234567890) Where relation0 and relation1 are BELONGS_TO relations, but any STAT relations are missing. Furthermore, why is the query a SELECT COUNT(DISTINCT 't'.'id') ?

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• Silverlight 4 RIA does not return anything using DomainContext

  - by Savvas Sopiadis

  Hi everybody! Just learning Silverlight 4/RIA and i 'm stuck in a weird problem: setup an ASP.NET MVC project as the project hosting the Domain service. In this i tried to get data from the Domain Service which worked fine (i'm using a repository in it). Now i tried to setup a SL4 project. I though i do it the MVVM-way, so i decided to setup a ViewModel Class with the following code: public class ViewModel { OrganizationDomainContext dsCtxt = new OrganizationDomainContext(); public ViewModel() { EntityQuery<Culture> query = from cu in dsCtxt.GetAllCulturesQuery() select cu; LoadOperation<Culture> lo = dsCtxt.Load(query); } } The crazy thing about this is .. it doesn't return anything!!! What am i missing here? Thanks in advance

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• Rails, JSON Object, jQuery, Auto-Complete

  - by Michael Waxman

  I'm using this jquery autocomplete plug-in with rails: http://docs.jquery.com/Plugins/Autocomplete I can't figure out how to format my results, both in my Rails controller and in my javascript file. I have something like this in my controller... @query = params[:q].downcase @json = User.all(:login => /^#{@query}/) respond_to do |format| format.js { render :json => @json.to_json(:only => "login"), :layout => false } end And then this in my script.js file... $("#form").autocomplete('/url', { width: 320, dataType: 'json', highlight: false, scroll: true, scrollHeight: 300 }) But I can't figure out how to parse the data, so my autocomplete just gets a raw array of all my results at once. How do I process the JSON in the script.js file and/or in my controller for it to work?

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• PHP: How to cast object to inherited class?

  - by andreyvlru

  I'd like to inherit PDOStatement class and use it in my website scripts. But I am frustrated how to get required object. PDO::query returns only direct PDOStatement object and looks like there are no other method to create PDOStatement object or inherited class. Initially i thought to move PDOStatement object to constructor of inherit class Something like that: $stmt = PDO -> query("select * from messages"); $messageCollection = new Messaging_Collection($stmt); But how to make instance of PDOStatement to inherited object (Messaging_Collection). It is a big question for me. class Messaging_Collection extends PDOStatement { public function __construct(PDOStatement $stmt) { //there i should to transform $stmt to $this // direct $this = $stmt is not possible // is there other right way? }

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• Django Haystack exact filtering

  - by blackrobot

  I have a haystack search which has the following SearchIndex: class GrantIndex(indexes.SearchIndex): """ This provides the search index for the Grant application. """ text = indexes.CharField(document=True, use_template=True) year = indexes.IntegerField(model_attr='year__year') date = indexes.DateField(model_attr='date') program = indexes.CharField(model_attr='program__area') grantee = indexes.CharField(model_attr='grantee') amount = indexes.IntegerField(model_attr='amount') site.register(Grant, GrantIndex) If I want to search filtering out any programs that ARE NOT 'Health', I run the following query: from haystack.query import SearchQuerySet sqs = SearchQuerySet() sqs = sqs.filter(program='Health') Unfortunately, this also produces objects from the program 'Health\Other' and 'Health\Cardiovascular'. How do I stop the search from allowing those other programs in? I run Ubuntu 9.10 with Xapian as my search back-end.

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• Successful SQL Injection despite PHP Magic Quotes

  - by Crimson

  I have always read that Magic Quotes do not stop SQL Injections at all but I am not able to understand why not! As an example, let's say we have the following query: SELECT * FROM tablename WHERE email='$x'; Now, if the user input makes $x=' OR 1=1 --, the query would be: SELECT * FROM tablename WHERE email='\' OR 1=1 --'; The backslash will be added by Magic Quotes with no damage done whatsoever! Is there a way that I am not seeing where the user can bypass the Magic Quote insertions here?

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• nhibernate hql date functions

  - by Russel

  Hi Im writing a notification platform using C# and NHibernate. Im having difficulties with my queries. I have a Customer entity - which contains a AssessmentCompleted Property. A notification should be sent out 21 months after certification. So my query needs to include all customers where their AssessmentCompletedDate + 21months < currentDate. How do I achieve this? Is there a month add method in nhibernate? I need to add 21 months to each AssessmentCompletedProperty...My query needs to look something like: SELECT new Notification(c.Id, c.Description, c.AssessmentCompleted + 21 FROM Cusomter c AND c.AssessmentCompleted + 21 <= :EndDate

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• Preventing Doctrine from Dropping / Recreating Database When using build --all

  - by Levi Hackwith

  The problem: I have a database that's running on a shared server. I do not have permission to drop/ create a database via the command line doctrine SQLSTATE[42000]: Syntax error or access violation: 1044 Access denied for user 'opnsrce'@'173.236.128.0/255.255.128.0' to database 'dev'. Failing Query: "DROP DATABASE dev" doctrine Creating "all" environment "doctrine" database doctrine SQLSTATE[42000]: Syntax error or access violation: 1044 Access denied for user 'opnsrce'@'173.236.128.0/255.255.128.0' to database 'dev'. Failing Query: "CREATE DATABASE dev" This error occurs when I run /dh/cgi-system/php5.cgi symfony doctrine:build --all --no-confirmation The Question: How do I run build-all while simultaneously telling doctrine to not drop / create the database (it already exists)?

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• Lucene.Net PrefixQuery

  - by Sole

  Hi, i´m development a suggest box for my site search service. I has to search fields like these: Visual Basic Enterprise Edition Visual C++ Visual J++ My code is: Directory dir = Lucene.Net.Store.FSDirectory.GetDirectory("Index", false); IndexSearcher searcher = new Lucene.Net.Search.IndexSearcher( dir,true); Term term = new Term("nombreAnalizado", _que); PrefixQuery query = new PrefixQuery(term); TopDocs topDocs = searcher.Search(query, 10000); This code works well in this case: "Enterprise" will match "Visual Basic Enterprise Edition" But "Enterprise E" doesn´t match anything. I removed white spaces at indexing time and when the user is searching. Thanks.

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• Cannot populate form with ajax and populate jquery plugin

  - by Azriel_

  I'm trying to populate a form with jquery's populate plugin, but using $.ajax The idea is to retrieve data from my database according to the id in the links (ex of link: get_result_edit.php?id=34), reformulate it to json, return it to my page and fill up the form up with the populate plugin. But somehow i cannot get it to work. Any ideas: here's the code: $('a').click(function(){ $('#updatediv').hide('slow'); $.ajax({ type: "GET", url: "get_result_edit.php", success: function(data) { var $response=$(data); $('#form1').populate($response); } }); $('#updatediv').fadeIn('slow'); return false; whilst the php file states as follow: <?php $conn = new mysqli('localhost', 'XXXX', 'XXXXX', 'XXXXX'); @$query = 'Select * FROM news WHERE id ="'.$_GET['id'].'"'; $stmt = $conn->query($query) or die ($mysql->error()); if ($stmt) { $results = $stmt->fetch_object(); // get database data $json = json_encode($results); // convert to JSON format echo $json; } ?> Now first thing is that the mysql returns a null in this way: is there something wrong with he declaration of the sql statement in the $_GET part? Second is that even if i put a specific record to bring up, populate doesn't populate. Update: I changed the populate library with the one called "PHP jQuery helper functions" and the difference is that finally it says something. finally i get an error saying NO SUCH ELEMENT AS i wen into the library to have a look and up comes the following function function populateFormElement(form, name, value) { // check that the named element exists in the form var name = name; // handle non-php naming var element = form[name]; if(element == undefined) { debug('No such element as ' + name); return false; } // debug options if(options.debug) { _populate.elements.push(element); } } Now looking at it one can see that it should print out also the name, but its not printing it out. so i'm guessing that retrieving the name form the json is not working correctly. Link is at http://www.ocdmonline.org/michael/edit%5Fnews.php with username: Testing and pass:test123 Any ideas?

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• Trying to parse twitter trends

  - by timothy5216

  Im trying to parse twitter trends but i keep getting a parser error at "as_of". anyone know why this is happening? EDIT: Here is the code im using NSMutableArray *tweets; tweets = [[NSMutableArray alloc] init]; NSURL *url = [NSURL URLWithString:@"http://search.twitter.com/trends/current.json"]; trendsArray = [[NSMutableArray alloc] initWithArray:[CCJSONParser objectFromJSON:[NSString stringWithContentsOfURL:url encoding:4 error:nil]]]; NSMutableDictionary *dict = [[NSMutableDictionary alloc] init]; for (int i = 0; i < [trendsArray count]; i++) { dict = [[NSMutableDictionary alloc] init]; //[post setObject: [[currentArray objectAtIndex:i] objectForKey:@"query"]]; [dict setObject:[trendsArray objectAtIndex:i] forKey:@"trends"]; //[dict setObject:[trendsArray objectAtIndex:i] forKey:@"query"]; //[post setObject:[trendsArray objectAtIndex:i] forKey:@"as_of"]; [tweets addObject:dict]; //post = nil; }

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• CodePlex Daily Summary for Tuesday, July 23, 2013

  CodePlex Daily Summary for Tuesday, July 23, 2013Popular ReleasesHome Access Plus+: v9.3: UPDATED RELEASE Fixed: Issue with enabling LDAP encryption Added: Encrypted/Signed LDAP Queries Fixed: Wrong Modernizr reference on the setup page Changed: Code on the AD Tree Picker Upgraded: Dynatree Fixed: Removed Dynatree Debug Data Added: Time bar for the current day Added: Code to block booking/removing of bookings after the lesson time has past Fixed: New sidebar position issue Added: Decode for the NotesMagelia WebStore Open-source Ecommerce software: Magelia WebStore 2.4: Magelia WebStore version 2.4 introduces new and improved features: Basket and order calculation have been redesigned with a more modular approach geographic zone algorithms for tax and shipping calculations have been re-developed. The Store service has been split in three services (store, basket, order). Product start and end dates have been added. For variant products a unique code has been introduced for the top (variable) product, product attributes can now be defined at the top ...GoAgent GUI: GoAgent GUI 1.3.0 Beta: ??????????： Windows XP SP3 Windows Vista SP1 Windows 7 Windows 8 Windows 8.1 ??Windows 8.1???????????? ????： .Net Framework 4.0 http://59.111.20.19/download/17718/33240761/4/exe/69/54/17718_1/dotNetFx40_Full_x86_x64.exe Microsoft Visual C++ 2010 Redistributable Package http://59.111.20.23/download/4894298/8555584/1/exe/28/176/1348305610524_944/vcredist_x86.exe ???????????????。 ?????????????，??????????，??????????????（????） ?????Windows XP?Windows 7????，???????????，?issue??????。uygw@outlook.comLINQ to Twitter: LINQ to Twitter v2.1.08: Supports .NET 3.5, .NET 4.0, .NET 4.5, Silverlight 4.0, Windows Phone 7.1, Windows Phone 8, Client Profile, Windows 8, and Windows Azure. 100% Twitter API coverage. Also supports Twitter API v1.1! Also on NuGet.AndroidCopyAndPaste: Capood: Erstes Release für Evaluation --> Changeset 26675fastJSON: v2.0.17: 2.0.17 - added serialization of static fields and properties - added dynamic object support and testKartris E-commerce: Kartris v2.5002: This is the release version of Kartris with the responsive interface based on Zurb's Foundation framework. It will work on any screen size, down to and including mobile devices such as the iphone. We've also fixed issues with Apple iOS products being treated by ASP.NET as 'downscale' devices, which broke some functionality in Kartris. This release also includes native Bitcoin support (no third party services required - it communicates directly with the standard Bitcoin client via a JSON API)...VG-Ripper & PG-Ripper: PG-Ripper 1.4.15: changes NEW: Added Support for "ImgChili.net" links NEW: Added Support for "ImgBabes.com" linksAcDown?????: AcDown????? v4.4.3: ??●AcDown??????????、??、??、???????。????，????，?????????????????????????。???????????Acfun、????(Bilibili)、??、??、YouTube、??、???、??????、SF????、????????????。 ●??????AcPlay?????，??????、????????????????。 ● AcDown???????C#??，????.NET Framework 2.0??。?????"Acfun?????"。 ??v4.4.3 ?? ??Bilibili????????????? ???????????? ????32??64? Windows XP/Vista/7/8 ???? 32??64? ???Linux ????(1)????????Windows XP???，????????.NET Framework 2.0???(x86)，?????"?????????"??? (2)???????????Linux???，????????Mono?? ??2.10?...Magick.NET: Magick.NET 6.8.6.601: Magick.NET linked with ImageMagick 6.8.6.6. These zip files are also available as a NuGet package: https://nuget.org/profiles/dlemstra/C# Intellisense for Notepad++: Initial release: Members auto-complete Integration with native Notepad++ Auto-Completion Auto "open bracket" for methods Right-arrow to accept suggestions51Degrees.mobi - Mobile Device Detection and Redirection: 2.1.19.4: One Click Install from NuGet This release introduces the 51Degrees.mobi IIS Vary Header Fix. When Compression and Caching is used in IIS, the Vary header is overwritten, making intelligent caching with dynamic content impossible. Find out more about installing the Vary Header fix. Changes to Version 2.1.19.4Handlers now have a ‘Count’ property. This is an integer value that shows how many devices in the dataset that use that handler. Provider.cs -> GetDeviceInfoByID to address a problem w...Centrify DirectControl PowerShell Module: 1.5.709: -fix- Computer password is correctly set when preparing Computer account for Self-Service join and hostname is longer than 14 charsDLog: DLog v1.0: Log v1.0SalarDbCodeGenerator: SalarDbCodeGenerator v2.1.2013.0719: Version 2.1.2013.0719 2013/7/19 Pattern Changes: * DapperContext pattern is added. * All patterns are updated to work with one-to-one relations. Changes: * One-to-one relation is supported. * Minor bug fixes.Player Framework by Microsoft: Player Framework for Windows and WP (v1.3 beta 2): Includes all changes in v1.3 beta 1 Additional support for Windows 8.1 Preview New API (JS): addTextTrack New API (JS): msKeys New API (JS): msPlayToPreferredSourceUri New API (JS): msSetMediaKeys New API (JS): onmsneedkey New API (Xaml): SetMediaStreamSource method New API (Xaml): Stretch property New API (Xaml): StretchChanged event New API (Xaml): AreTransportControlsEnabled property New API (Xaml): IsFullWindow property New API (Xaml): PlayToPreferredSourceUri proper...Outlook 2013 Add-In: Multiple Calendars: As per popular request, this new version includes: - Support for multiple calendars. This can be enabled in the configuration by choosing which ones to show/hide appointments from. In some cases (public folders) it may time out and crash, and so far it only supports "My Calendars", so not shared ones yet. Also they're currently shown in the same font/color so there are no confusions with color categories, but please drop me a line on any suggestions you'd like to see implemented. - Added fri...Circuit Diagram: Circuit Diagram 2.0 Beta 2: New in this release: Show grid in editor Cut/copy/paste support Bug fixesOrchard Project: Orchard 1.7 RC: Planning releasedTerminals: Version 3.1 - Release: Changes since version 3.0:15992 Unified usage of icons in user interface Added context menu in Organize favorites grid Fixed:34219 34210 34223 33981 34209 Install notes:No changes in database (use database from release 3.0) No upgrade of configuration, passwords, credentials or favorites See also upgrade notes for release 3.0New ProjectsAerCloud.net FaceTools Client - Python, Linux & Windows: This project source code provides a step by step guide for using AerCloud.net Framework as a Service API. For more information please visit http://www.aercloudCode Snippet Manager: It is a simple Code Snippet Manager.. that I use when presenting tutorials. Features: - Insert a code snippet from the clipboard into program - Delete code sniDeutschWortSammler: A tiny English-German dictionary.DNN Testimonials: Virtual Essentials is a custom software development company. We strive to put joy back into the lives of people by removing the pain points through technologyDXWTEC: legsGoldenDream TeamWork: CourseWork for DB Course in Telerik Academy. Kpaint: Our work with Kpaint has proven to have provide highly accurate results mostly with the exception of occasion jittery of the paint brush. The voice recognition LAura: LAura checks the presence status of the currently signed in User and colorizes the Windows Window Color.MAPIFolders: MAPIFolders is intended as a successor to PFDAVAdmin and ExFolders.Microsoft Lab of Things Analytics: This is a project by students at University College London. We are creating analytics that will add value to home automation leveraging Microsoft Lab of Things.MySitelongdream: My siteMyTestSolution: this is a solution used just for laboratory purposeOrchestrator EventLog Integration Pack: Orchestrator Integration Pack to write spezific events in any Event Log.Planter's Supermarket: sdfResize images before upload: It will resize all images in folder recursively and store them in a store accountsampletranscodeffmpeg: a project for transcode for joyseeSCSM Perf Test Harness: Source Code for Travis Wright's LoadGen Tool for Service Manager. Simple Compression: Simple Compression is a .Net library that provides compression methods for use in an application.The Memory Game: This was my first WPF application.What day of the week is your birthday?: A program that can find the day of the week you were born!!!!!Windows Recovery Software: Recover Data Software for windows helps you to recover all type of data which has been lost due to several reasons.Xjs: Javascript framework to allow faster web development on the browser side

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• Why is my mysql database timestamp changing by itself?

  - by Scarface

  Hey guys quick question, I have an entry that I put in my database, and as I echo the value, the value in the database stays the same while the data echoed keeps increasing, which is messing up my function. If anyone knows whats going down, would appreciate any suggestions. <?php include("../includes/connection.php"); $query="SELECT * FROM points LEFT JOIN users ON points.user_id=users.id WHERE points.topic_id='82' AND users.username='gman'"; $check=mysql_query($query); while ($row=mysql_fetch_assoc($check)){ $points_id=$row['points_id']; echo $timestamp=$row['timestamp']; } ?>

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• MDX performance vs. T-SQL

  - by SubPortal

  I have a database containing tables with more than 600 million records and a set of stored procedures that make complex search operations on the database. The performance of the stored procedures is so slow even with suitable indexes on the tables. The design of the database is a normal relational db design. I want to change the database design to be multidimensional and use the MDX queries instead of the traditional T-SQL queries but the question is: Is the MDX query better than the traditional T-SQL query with regard to performance? and if yes, to what extent will that improve the performance of the queries? Thanks for any help.

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• Can't read excel file after creating it using File.WriteAllText() function

  - by Srikanth Mattihalli

  public void ExportDataSetToExcel(DataTable dt) { HttpResponse response = HttpContext.Current.Response; response.Clear(); response.Charset = "utf-8"; response.ContentEncoding = Encoding.GetEncoding("utf-8"); response.ContentType = "application/vnd.ms-excel"; Random Rand = new Random(); int iNum = Rand.Next(10000, 99999); string extension = ".xls"; string filenamepath = AppDomain.CurrentDomain.BaseDirectory + "graphs\\" + iNum + ".xls"; string file_path = "graphs/" + iNum + extension; response.AddHeader("Content-Disposition", "attachment;filename=\"" + iNum + "\""); string query = "insert into graphtable(graphtitle,graphpath,creategraph,year) VALUES('" + iNum.ToString() + "','" + file_path + "','" + true + "','" + DateTime.Now.Year.ToString() + "')"; try { int n = connect.UpdateDb(query); if (n > 0) { resultLabel.Text = "Merge Successfull"; } else { resultLabel.Text = " Merge Failed"; } resultLabel.Visible = true; } catch { } using (StringWriter sw = new StringWriter()) { using (HtmlTextWriter htw = new HtmlTextWriter(sw)) { // instantiate a datagrid DataGrid dg = new DataGrid(); dg.DataSource = dt; //ds.Tables[0]; dg.DataBind(); dg.RenderControl(htw); File.WriteAllText(filenamepath, sw.ToString()); // File.WriteAllText(filenamepath, sw.ToString(), Encoding.UTF8); response.Write(sw.ToString()); response.End(); } } } Hi all, I have created an excel sheet from datatable using above function. I want to read the excel sheet programatically using the below connectionstring. This string works fine for all other excel sheets but not for the one i created using the above function. I guess it is because of excel version problem. OleDbConnection conn= new OleDbConnection("Data Source='" + path +"';provider=Microsoft.Jet.OLEDB.4.0;Extended Properties=Excel 8.0;";); Can anyone suggest a way by which i can create an excel sheet such that it is readable again using above query. I cannot use Microsoft InterOp library as it is not supported by my host.

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• Get the ranking of highest score with earliest timestamp

  - by Billy

  I have the following records: name score Date Billy 32470 12/18/2010 7:26:35 PM Sally 1100 12/19/2010 12:00:00 AM Kitty 1111 12/21/2010 12:00:00 AM Sally 330 12/21/2010 8:23:34 PM Daisy 32460 12/22/2010 3:10:09 PM Sally 32460 12/23/2010 4:51:11 PM Kitty 32440 12/24/2010 12:00:27 PM Billy 32460 12/24/2010 12:11:36 PM I want to get the leaderboard of the highest score with earliest time stamp using LINQ. In this case, the correct one is rank name 1 Billy 2 Daisy 3 Sally I use the following query: var result = (from s in Submissions group s by s.name into g orderby g.Max(q => q.Score) descending,g.Min(q => q.Date) ascending select new ScoreRecord { name = g.Key Score = g.Max(q => q.Score) }).Take(3).ToList(); I get the following wrong result: rank name 1 Billy 2 Sally 3 Daisy What's the correct linq query in this case?

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• rails: include statement with two ON conditions

  - by Markus

  Hi, I have tree tables books bookmarks users where there is a n to m relation from books to users trough bookmarks. Im looking for a query, where I get all the books of a certain user including the bookmarks. If no bookmarks are there, there should be a null included... my sql statement looks like: SELECT * FROM `books` LEFT OUTER JOIN `bookmarks ` ON bookmarks.book_id = books.id AND bookmarks.user_id = ? In rails I only know the :include statement, but how can I add the second bookmarks.user_id = ? statement in the ON section of this query? if I put it in the :conditions part, no null results would get returned! Thanks! Markus

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• XPATH - Select all child nodes with a specific attribute

  - by David

  Hi, what would be the xpath for the following: Find all child nodes with a specific attibute value but starting from a node with a specific attribute value. This is kind of related to a question I posted earlier about parsing and rdf xml file - I thought I had solved it but not quite yet. For example I am trying to parse and grab all of the rdf:about attribute values. I have this working fine. I need to add the following condition though - parsing needs to start after a specific rdf:about value is found. I am working in php and and using DomDocument and am using the following xpath query: $xpath-query('//@rdf:about') - it is finding all rdf:about attributes fine. I need to extend this to only find thos attributes that come after the node who rdf:about attribute is equal to something. Hope this makes sense.

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• How to populate List<string> with Datarow values from single columns...

  - by James

  Hi, I'm still learning (baby steps). Messing about with a function and hoping to find a tidier way to deal with my datatables. For the more commonly used tables throughout the life of the program, I'll dump them to datatables and query those instead. What I'm hoping to do is query the datatables for say column x = "this", and convert the values of column "y" directly to a List to return to the caller: private List<string> LookupColumnY(string hex) { List<string> stringlist = new List<string>(); DataRow[] rows = tblDataTable.Select("Columnx = '" + hex + "'", "Columny ASC"); foreach (DataRow row in rows) { stringlist.Add(row["Columny"].ToString()); } return stringlist; } Anyone know a slightly simpler method? I guess this is easy enough, but I'm wondering if I do enough of these if iterating via foreach loop won't be a performance hit. TIA!

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