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• Insert hex string value to sql server image field is appending extra 0

  - by rotary_engine

  Have an image field and want to insert into this from a hex string: insert into imageTable(imageField) values(convert(image, 0x3C3F78...)) however when I run select the value is return with an extra 0 as 0x03C3F78... This extra 0 is causing a problem in another application, I dont want it. How to stop the extra 0 being added? The schema is: CREATE TABLE [dbo].[templates]( [templateId] [int] IDENTITY(1,1) NOT NULL, [templateName] [nvarchar](50) NOT NULL, [templateBody] [image] NOT NULL, [templateType] [int] NULL) and the query is: insert into templates(templateName, templateBody, templateType) values('I love stackoverflow', convert(image, 0x3C3F786D6C2076657273696F6E3D.......), 2) the actual hex string is quite large to post here.

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• Castle windsor registration

  - by nivlam

  interface IUserService class LocalUserService : IUserService class RemoteUserService : IUserService interface IUserRepository class UserRepository : IUserRepository If I have the following interfaces and classes, where the IUserService classes have a dependency on IUserRepository. I can register these components by doing something like: container.AddComponent("LocalUserService", typeof(IUserService), typeof(LocalUserService)); container.AddComponent("RemoteUserService", typeof(IUserService), typeof(RemoteUserService)); container.AddComponent("UserRepository", typeof(IUserRepository), typeof(UserRepository)); ... and get the service I want by calling: IUserService userService = container.Resolve<IUserService>("RemoteUserService"); However, if I have the following interfaces and classes: interface IUserService class UserService : IUserService interface IUserRepository class WebUserRepository : IUserRepository class LocalUserRepository : IUserRepository class DBUserRepository : IUserRepository How do I register these components so that the IUserService component can "choose" which repository to inject at runtime? My idea is to allow the user to choose which repository to query from by providing 3 radio buttons (or whatever) and ask the container to resolve a new IUserService each time.

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• Stop invalid data in a attribute with foreign key constraint using triggers?

  - by Eternal Learner

  How to specify a trigger which checks if the data inserted into a tables foreign key attribute, actually exists in the references table. If it exist no action should be performed , else the trigger should delete the inserted tuple. Eg: Consider have 2 tables R(A int Primary Key) and S(B int Primary Key , A int Foreign Key References R(A) ) . I have written a trigger like this : Create Trigger DelS BEFORE INSERT ON S FOR EACH ROW BEGIN Delete FROM S where New.A <> ( Select * from R;) ); End; I am sure I am making a mistake while specifying the inner sub query within the Begin and end Blocks of the trigger. My question is how do I make such a trigger ?

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• How can I get around MySQL Errcode 13 with SELECT INTO OUTFILE?

  - by Ryan Olson

  but I am trying to dump the contents of a table to a csv file using a MySQL SELECT INTO OUTFILE statement. If I do: SELECT column1, column2 INTO OUTFILE 'outfile.csv' FIELDS TERMINATED BY ',' FROM table_name; outfile.csv will be created on the server in the same directory this database's files are stored in. However, when I change my query to: SELECT column1, column2 INTO OUTFILE '/data/outfile.csv' FIELDS TERMINATED BY ',' FROM table_name; I get: ERROR 1 (HY000): Can't create/write to file '/data/outfile.csv' (Errcode: 13) Errcode 13 is a permissions error, even if I change ownership of /data to mysql:mysql and give it 777 permissions. MySQL is running as user "mysql". Strangely, I can create the file in /tmp, just not in any other directory I've tried, even with permissions set such that user mysql should be able to write to the directory. This is MySQL 5.0.75 running on Ubuntu.

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• Finding parents where child collection does not contain an item

  - by Colin Bowern

  I am trying to get a list of parents where the child collection does not contain an item of a specific type. The LINQ equivalent would be something like: dataset.Where(x => x.Items.FirstOrDefault(y => y.Type.Code == "ABC") == null) The object model is Parent Child (Items) Type Code If Parent is my aggregate root, how would I model this in NHibernate criteria/query? Here's my first attempt: var results = session.CreateCriteria<Parent>() .CreateCriteria("Items") .CreateCriteria("Type") .Add(Restrictions.Not(Restrictions.Eq("Code", "ABC"))) .SetResultTransformer(Transformers.DistinctRootEntity) .List<Parent>(); This doesn't seem to return the right entities - it just returns them all.

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• Microsoft Access vs Native SQL

  - by ktm5124

  Hypothetical: Let's say you are writing complex queries to a database and it is very important that the data you extracted is the correct result set (e.g., that you didn't mess up a JOIN by not using all the correct keys, and all the other things that can go wrong, et cetera). What would you rather use to do this? Would you write the query using Microsoft Access and its Design View, or would you write it in native SQL using a SQL IDE? What is the better professional choice? Thanks in advance your feedback!

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• Refining Solr searches, getting exact matches?

  - by thebluefox

  Afternoon chaps, Right, I'm constructing a fairly complex (to me anyway) search system for a website using Solr, although this question is quite simple I think... I have two search criteria, location and type. I want to return results that are exact matches to type (letter to letter, no exceptions), and like location. My current search query is as follows ../select/?q=location:N1 type:blue&rows=100&fl=*,score&debugQuery=true This firstly returns all the type blue's that match N1, but then returns any type that matches N1, which is opposite to what I'm after. Both fields are set as textgen in the Solr schema. Any pointers? Cheers gang

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• Nhibernate Bind

  - by user329983

  I have two oracle user defined types: Audit_Type – A normal object with two fields a string and a number Audit_Table_Type – A table of audit_types, (an array) I have a stored procedure that takes as a parameter an Audit_Table_Type. List<Audit_Type> table = new List<Audit_Type>(); var query = session.CreateSQLQuery("call Audit_Rows(Audit_Table_Type(:table))") .SetParameterList("table", table, NHibernateUtil.Custom(typeof(AuditTypeUDT))) This is what I did intuativly created the ICompositeType and just set in a list of them in but this gives me nothing close to what I wanted. I couldn’t figure out how to bind to a table at all. I have built the inline sql that would do this for me but it would destroy my shared pool (not using binds). So a General question how do I bind to complex/composite types using Nhibernate?

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• MySQL: Is it possible to return a "mixed" dataset?

  - by Tom

  Hi, I'm wondering if there's some clever way in MySQL to return a "mixed/balanced" dataset according to a specific criterion? To illustrate, let's say that there are potential results in a table that can be of Type 1 or Type 2 (i.e. a column has a value 1 or 2 for each record). Is there a clever query that would be able to directly return results alternating between 1 and 2 in sequence: 1st record is of type 1, 2nd record is of type 2, 3rd record is of type 1, 4th record is of type 2, etc... Apologies if the question is silly, just looking for some options. Of course, I could return any data and do this in PHP, but it does add some code. Thanks.

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• Problem with Oracle/SQL ORDER BY Statement

  - by ArneRie

  Hi, i have the following content inside an varchar2 column: 10.1.2.3 10.2.3.4 8.3.4.1 8.3.2.1 4.2.1.3 4.3.2.1 9.3.1.2 When i query the database i need an result ordered: 4.... 8.... 9.... 10... the NLS_SORT parameter is set to german, an simple "order by COLUMN DESC/ASC" is not working like excepted. It returns 10..... 8...... 9...... any suggestions?

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• Drop Down Box (select) set URL on postback?

  - by jamone

  I have a page with a ASP.NET DropDownBox control (HTML select) that's populated with some dynamic record values. When the user selects a record the entire contents of the page is updated to reflect the selection. If a user clicks a link and leaves the page and tries to go back, it pulls up the default unselected list, and they have to reselect it again. How would be the best way to retain their selection? I currently have the page set so if the url contains PageName.aspx?recordID=5 it will select the correct dropDown option. However I'm not sure how to change the URL's query string based on the selection.

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• sql jdbc getgeneratedkeys with mysql returns column "id" not found

  - by iamrohitbanga

  I want to retrieve the most recently updated value in the table using an insert query. these are the datatypes in my sql table. int(11) // primary key auto increment, not being assigned by sqlQuery varchar(30) timestamp // has a default value. but i am explicit assigning it using CURRENT_TIMESTAMP varchar(300) varchar(300) varchar(300) int(11) varchar(300) // java code statement.executeUpdate(sqlQuery, Statement.RETURN_GENERATED_KEYS); ResultSet rs = statement.getGeneratedKeys(); System.out.println("here: " + rs.getMetaData().getColumnCount()); System.out.println("here1: " + rs.getMetaData().getColumnName(1)); // none of the following 3 works System.out.println("id: " + rs.getInt(1)); System.out.println("id: " + rs.getInt("GENERATED_KEY")); System.out.println("id: " + rs.getInt("id")); for a bit of background see this

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• COUNT issue across multiple tables

  - by Kim

  I am trying to count across 2 tables and I dont see whats wrong with my query yet I get a wrong result. User 2 does not exist in table_two, so the zero is correct. SELECT t1.creator_user_id, COUNT(t1.creator_user_id), COUNT(t2.user_id) FROM table_one AS t1 LEFT JOIN table_two AS t2 ON t2.user_id = t1.creator_user_id GROUP BY t1.creator_user_id, t2.user_id Actual result 1 192 192 2 9 0 Expected result 1 16 12 2 9 0 The result indicate a missing group by condition, but I already got both fields used. Where am I wrong ? Also, can I sum up all users that doesnt exist in table_two for t1 ? Like user 3 exists 21 times in t1, then the results would be: 1 16 12 (users with > 0 in t2 will need their own row) 2 30 0 (user 2=9 + user 3=21 => 30) Its okay for the user Id to be wrong for sum of t1 for all users with 0 in t2. If not possible, then I'll just do two queries.

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• Web based API that can tell me if a number is a landline or cell phone?

  - by MikeN

  My application sends SMS messages to people, but the numbers entered in as their cell phone are sometimes land lines (this is user error or the user not really knowing if the contact number they have is a cell phone or landline.) I found a few websites that can tell me if a number is a landline or cell phone, but they do not offer programatic API's. Is anyone aware of a way a web application can figure out if a number can receive SMS messages? I guess a test SMS message is one way, but my current SMS gateway fails hard when it gets a landline number and doesn't tell me the landline number it tried to send the SMS to. I'll follow this up with my carrier, but I would love an easy way to let the user entering phone numbers in if they are a landline or cell number. Update: There are ways to figure this out. Take a look at http://www.phonevalidator.com, they can query a phone number and figure out if it is a landline or cell phone.

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• Can't delete a mySQL table. (Error 1050)

  - by doublejosh

  I have a pesky table that will not delete and it's holding up my dev environment refresh :( I know this table exists. Example... mysql> select * from uc_order_products_qty_vw limit 10; +-----+-------------+---------+---------+---------+---------+ | nid | order_count | avg_qty | sum_qty | max_qty | min_qty | +-----+-------------+---------+---------+---------+---------+ | 105 | 1 | 1.0000 | 1 | 1 | 1 | | 110 | 5 | 1.0000 | 5 | 1 | 1 | | 111 | 1 | 1.0000 | 1 | 1 | 1 | | 113 | 5 | 1.0000 | 5 | 1 | 1 | | 114 | 1 | 1.0000 | 1 | 1 | 1 | | 115 | 1 | 1.0000 | 1 | 1 | 1 | | 117 | 2 | 1.0000 | 2 | 1 | 1 | | 119 | 3 | 1.3333 | 4 | 2 | 1 | | 190 | 5 | 1.0000 | 5 | 1 | 1 | | 199 | 2 | 1.0000 | 2 | 1 | 1 | +-----+-------------+---------+---------+---------+---------+ 10 rows in set (0.00 sec) However when I try to drop it... mysql> DROP TABLE IF EXISTS uc_order_products_qty_vw; Query OK, 0 rows affected, 1 warning (0.00 sec) It doesn't work, the table is still there, and the warning says this... mysql> show warnings limit 1; +-------+------+------------------------------------------+ | Level | Code | Message | +-------+------+------------------------------------------+ | Note | 1051 | Unknown table 'uc_order_products_qty_vw' | +-------+------+------------------------------------------+ 1 row in set (0.00 sec) Feeling pretty dumbfounded.

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• pyramid - How to handle complex URL in a elegant way?

  - by Lingfeng Xiong

  I'm writing a admin website which control several websites with same program and database schema but different content. The URL I designed like this: http://example.com/site A list of all sites which under control http://example.com/site/{id} A brief overview of select site with ID id http://example.com/site/{id}/user User list of target site http://example.com/site/{id}/item A list of items sold on target site http://example.com/site/{id}/item/{iid} Item detailed information # ...... something similar As you can see, nearly all URL are need the site_id. And in almost all views, I have to do some common jobs like query Site model against database with the site_id. Also, I have to pass site_id whenever I invoke request.route_path. So... is there anyway for me to make my life easier? Thanks in advance.

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• How Can I Join Two DB Tables and Return Lowest Price From Joined Table

  - by Jason

  I have two tables, the first table has the product and the second table the prices. The price table could have more than one price per product but I only want to display the lowest. But I keep getting all the prices returned and I'm having trouble figuring out how to do it. this is what I get returned in my query: SELECT * FROM products AS pr JOIN prices AS p ON pr.id = p.product_id WHERE pr.live = 1 AND p.live = 1 id product1 name description £100 id product1 name description £300 id product1 name description £200 id product2 name description £50 id product2 name description £80 id product2 name description £60 id product3 name description £222 id product3 name description £234 id product3 name description £235 but I'm after: id product1 name description £100 id product2 name description £50 id product3 name description £222 Any help would be appreciated

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• Why is hibernate returning a proxy object?

  - by predhme

  I have a service method that returns an object from the database. This method is called from numerous parts of the system. However, one particular method is getting a return type of ObjectClass_$$_javassist_somenumber as the type. Which is throwing things off. I call the service method exactly the same as everywhere else, so why would hibernate return the proxy as opposed to the natural object? I know there are ways to expose the "proxied" object, but I don't feel like I should have to do that. The query is simply hibernateTemplate.find("from User u where u.username = ?", username)

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• SQL Server - Percent based Full Text Search

  - by Sukhminder Singh

  Hi I want to conduct search on a particular column of a table in such a way that returning result set should satify following 2 conditions: Returning result set should have records whose 90% of the characters matches with the given search text. Returning result set should have records whose 70% of the consecutive characters matches with the given search text. It implies that when 10 character word Sukhminder is searched, then: it should return records like Sukhmindes, ukhminder, Sukhmindzr, because it fulfils both of the above mentioned conditions. But it should not return records like Sukhmixder because it does not fulfil the second condition. Likewise, It should not return record Sukhminzzz because it does not fulfil the first condition. I am trying to use Full Text Search feature of SQL Server. But, could not formulate the required query yet. Kindly reply ASAP.

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• Control SQL Server CLR Reserved Memory

  - by Ryu

  I've recently enabled CLR on my 64 bit SQL Server 2005 machine for usage of about 3 procs. When I run the following query to gather some info on memory usage... select single_pages_kb+ multi_pages_kb + virtual_memory_committed_kb as TotalMemoryUsage, virtual_memory_reserved_kb from sys.dm_os_memory_clerks where type = 'MEMORYCLERK_SQLCLR' I get 129 mb MemoryUsage and 6.3 gb Virtual Memory Reserved The total memory of the machine is 21 gig. What does reserved virtual memory mean exactly and how can I control the size that is allocated? 6 gig is overkill for what we're doing and the memory would be much better utilized by the sproc cache. I'm concerned this reserved memory will cause swapping to the page file. Please help me take back control of the memory! Thanks

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• Problem with foreach loop and $_GET

  - by phpExe

  I have a very simple foreach loop foreach($tv as $id => $channel) { $ID = $_GET['ID']; if($ID == $id){$class = "currentt";} echo '<a href="http://www.mysite.com/tst.php?ID='.$id.'" class="'.$class.'">'.$channel.'</a><br>'; } With url query, with every click the current class repeated. How can avoid this? Thanks alot.

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• SQL HAVING COUNT and JOIN

  - by user1833274

  I have tried to this query: What are the doctors that work on less than 2 Hospitals. I have these tables: CREATE TABLE Hospital ( hid INT PRIMARY KEY, name VARCHAR(127) UNIQUE, country VARCHAR(127), area INT ); CREATE TABLE Doctor ( ic INT PRIMARY KEY, name VARCHAR(127), date_of_birth INT, ); CREATE TABLE Work ( hid INT, ic INT, since INT, FOREIGN KEY (hid) REFERENCES Hospital (hid), FOREIGN KEY (ic) REFERENCES Doctor (ic), PRIMARY KEY (hid,ic) ); I tried with this: SELECT DISTINCT D.ic FROM Doctor D, Work W JOIN Hospital H ON (H.hid = W.hid) WHERE D.bi = W.bi GROUP BY (D.ic) HAVING COUNT(H.hid) < 2 ;

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• Problems with mod_rewrite and 301 redirects from one dynamic url to another

  - by user349891

  Hey all, I'm having all kinds of problems with a bunch of apache redirects just now and could really use some help! I'm wating to put in a 301 redirect for a load of urls from a client's old site to their new site in the following format; Old - page.php?pageNum_rs_all=0&totalRows_rs_all=112 New - page/sub?foo=bar The values in the query sting for the old site don't in any way tie up to any ids or references on the new site, I only want to match that specific request and redirect to the new page. It feels like I've tried just about every combination of rewriterule I can find online but still nothing seems to be working. This is running on Apache 2.2. The rule I started with (and keep going back to) is; RewriteRule ^/page.php\?pageNum_rs_all=0&totalRows_rs_all=112 /page/sub?foo=bar [R=301,L,NE] Any help would be greatly appreciated! c.

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• About Googe map

  - by vishal

  Hello everyone I am PHP Developer and developing website .in that i used Google map with the facility of select state and city. for select state and city i put two drop down.so now my problem is when i select state then i can not get value of city and both time whenever use select state and city i refresh the page and so after refreshing the page the value i got is incorrect and does not match the state with city... i clarify again Step 1:- select state (here page will refresh and then i will get value) Step 2:- select city (here also will refresh and then i will get value)) problem :- on the base getting state id and city id i fire the query but result will unknown b'cz city id that does not in selected state actually that city is there

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• Why do a small amount of add/deletes take several seconds in EF4?

  - by TomWij

  Using the Entity Framework 4. I have created a Code First database in the past and a piece of code needs to delete and add 16 objects, this takes 6 seconds each. That's 300+ ms for each query! The deletes/adds occur in a foreach scope and there is a SaveChanges() outside the foreach. In the above image you see that each takes 6 seconds, which is 34% of the time, for 16 calls. That doesn't sound normal to me... Why is this and how can I improve the performance? If there is no solution: Are there any workarounds I can use? It would be a pain to rewrite my project...

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