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  • Grouping items in php

    - by c0mrade
    Hello, I have a problem with sorting items in table in PHP. Here is what I want to achieve : Item Item Item Item Item Item Item Item Item Item Item Item Item Item Item How I mean to achieve this, well since I have a for each loop I can insert counter, and say after 5th item is listed write to another column, the thing is I'm not good with tables, I've tried something like : for(...) $counter++; if(($counter%5) == 0){ echo ""; } Not happening .. I hope you understood what I meant .. tnx

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  • Speeding up inner joins between a large table and a small table

    - by Zaid
    This may be a silly question, but it may shed some light on how joins work internally. Let's say I have a large table L and a small table S (100K rows vs. 100 rows). Would there be any difference in terms of speed between the following two options?: OPTION 1: OPTION 2: --------- --------- SELECT * SELECT * FROM L INNER JOIN S FROM S INNER JOIN L ON L.id = S.id; ON L.id = S.id; Notice that the only difference is the order in which the tables are joined. I realize performance may vary between different SQL languages. If so, how would MySQL compare to Access?

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  • Query to return internal details about stored function in MS-SQL database

    - by Anthony
    I have been given access to a ms-sql database that is currently used by 3rd party app. As such, I don't have any documentation on how that application stores the data or how it retrieves it. I can figure a few things out based on the names of various tables and the parameters that the user-defined functions takes and returns, but I'm still getting errors at every other turn. I was thinking that it would be really helpful if I could see what the stored functions were doing with the parameters given to return the output. Right now all I've been able to figure out is how to query for the input parameters and the output columns. Is there any built-in information_schema table that will expose what the function is doing between input and output?

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  • Strategy in storing ad-hoc numbers/constants?

    - by Jiho Han
    I have a need to store a number of ad-hoc figures and constants for calculation. These numbers change periodically but they are different type of values. One might be a balance, a money amount, another might be an interest rate, and yet another might be a ratio of some kind. These numbers are then used in a calculation that involve other more structured figures. I'm not certain what the best way to store these in a relational DB is - that's the choice of storage for the app. One way, I've done before, is to create a very generic table that stores the values as text. I might store the data type along with it but the consumer knows what type it is so, in situations I didn't even need to store the data type. This kind of works fine but I am not very fond of the solution. Should I break down each of the numbers into specific categories and create tables that way? For example, create Rates table, and Balances table, etc.?

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  • Is Samba Server what I'm looking for, and if so, what do I need? (currently on DD-WRT Micro)

    - by Anthony
    I am really confused as to what Samba actually does and how it works. Here's what I'm hoping it does: I set up a Samba server on my LAN, and everyone will be able to see each other's shared files and swap them. But some of the documentation makes it sound like it will just allow Mac/Linux computers to see Windows computers. Other bits of the documentation make it sound more like a local server, where a Linux machine would install Samba and they would see everyone and be visible to everyone, but that won't change if anybody else can see each other. While still other things I've read make it seem more like a file-server, where everyone sees each other but file transfers are not peer-to-peer but instead need a host disk for files to act as go between. So, assuming I'm even in the right ballpark of what Samba does in terms of my goal of total cross-visibility on the network, I am left with needing to know what I'd need to set up the server and whether it can be done and is worth it... DD-WRT's article on Samba is a bit ambiguous. One second it sounds as if I can run the server on micro as long as it's set up on a usb drive, but then it also sounds like micro can't run it at all, etc. If I can run it from a usb-connected drive, I still need to know if the files are actually stored on that drive. The dd-wrt article mentions: You can run a Samba server on your main computer and run a client on your router (thus gaining writable storage for the router) or you can use Samba to share a drive connected (typically by USB) to the router among all the computers connected to your network. That one part "to share a drive...among all the computers" makes it sound like the only benefit I get from Samba is a share drive that any OS on the network can see, but they still won't see each other. But I'm very hopeful I'm misreading this. If the computers can see each other but still need the disk, how much space is generally a good idea? I'm basing this on the idea that the drive is a temporary store point. Obviously I'd have to get a drive big enough to store everything people wanted to share if the drive is a full-on file server. If I do have this all wrong, is there any software that achieves what I have in mind? Something that connects to the main router to bridge all clients?

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  • Advanced MySQL Search Help

    - by Brandon
    I've been trying to come up with something for a while now to no avail. My MySQL knowledge is rudimentary at best so I could use some guidance on what I should use for the following: I have 2 tables ('bible' and 'books') that I need to search from. Right now I am just searching 'bible' with the following query: SELECT * FROM bible WHERE text LIKE '%" . $query . "%' ORDER BY likes DESC LIMIT $start, 10 Now, I need to add another part that searches for some pretty advanced stuff. Here is what I want to do in pseudocode which I am aware doesn't work: SELECT * FROM bible WHERE books.book+' '+bible.chapter+':'+bible.verse = '$query' $query would equal something like Genesis 1:2, Genesis coming from books.book, 1 coming from bible.chapter and 2 coming from bible.verse Any help/guidance on this is much appreciated =)

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  • Python MySQLdb LOAD LOCAL INFILE problems

    - by belvoir
    The problem is a simple one. When I execute the following I get different results depending on whether I run it from the MySQL console and from inside a Python Script using MySQLdb: LOAD DATA LOCAL INFILE '/tmp/source.csv' INTO TABLE test FIELDS TERMINATED BY '|' IGNORE 1 LINES; Console gives the following results: Records: 35002 Deleted: 0 Skipped: 0 Warnings: 0 Python (via .info()) returns the following: Records: 34977 Deleted: 0 Skipped: 0 Warnings: 8 So in summary, same source file, same SQL request, different results. From the console I can 'SHOW WARNINGS' an get a better handle on which records are causing the problems and why but from Python I can't idenitify how to do this or more importantly what the cause of the problem could be. Any suggestions? MySQL Server '5.1.41-3ubuntu12.1' Python '2.6.5' Tables are MyISAM

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  • How to optimize this user ranking query

    - by James Simpson
    I have 2 databases (users, userRankings) for a system that needs to have rankings updated every 10 minutes. I use the following code to update these rankings which works fairly well, but there is still a full table scan involved which slows things down with a few hundred thousand users. mysql_query("TRUNCATE TABLE userRankings"); mysql_query("INSERT INTO userRankings (userid) SELECT id FROM users ORDER BY score DESC"); mysql_query("UPDATE users a, userRankings b SET a.rank = b.rank WHERE a.id = b.userid"); In the userRankings table, rank is the primary key and userid is an index. Both tables are MyISAM (I've wondered if it might be beneficial to make userRankings InnoDB).

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  • SQLAlchemy declarative syntax with autoload in Pylons

    - by Juliusz Gonera
    I would like to use autoload to use an existings database. I know how to do it without declarative syntax (model/_init_.py): def init_model(engine): """Call me before using any of the tables or classes in the model""" t_events = Table('events', Base.metadata, schema='events', autoload=True, autoload_with=engine) orm.mapper(Event, t_events) Session.configure(bind=engine) class Event(object): pass This works fine, but I would like to use declarative syntax: class Event(Base): __tablename__ = 'events' __table_args__ = {'schema': 'events', 'autoload': True} Unfortunately, this way I get: sqlalchemy.exc.UnboundExecutionError: No engine is bound to this Table's MetaData. Pass an engine to the Table via autoload_with=<someengine>, or associate the MetaData with an engine via metadata.bind=<someengine> The problem here is that I don't know where to get the engine from (to use it in autoload_with) at the stage of importing the model (it's available in init_model()). I tried adding meta.Base.metadata.bind(engine) to environment.py but it doesn't work. Anyone has found some elegant solution?

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  • Securing Plugin Data in WordPress From Access by Other Plugins?

    - by farinspace
    There probably is some solution to this, whether it involves code running on just the wordpress installation or a combination of a wordpress installation and a master server I am not sure yet, but please remember not to have tunnel vision and consider any and all possible solutions: The scenario is this: A WordPress plugin (plugin-A) that manages some sort of valuable data (something that the admin would not want stolen), lets say, lead data with user's name and email addresses, the plugin uses its own db tables. Other than the obvious (which is the admin installing plugin-B, not knowing its malicious intent), what is to prevent another WordPress plugin (plugin-B) from accessing plugin-A data or hacking plugin-A files to circumvent security.

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  • how to read the txt file from database(byte[] to filestream)

    - by Ranjana
    i have stored the txt file to sql server database . i need to read the txt file line by line to get the content in it. my code : DataTable dtDeleteFolderFile = new DataTable(); dtDeleteFolderFile = objutility.GetData("GetTxtFileonFileName", new object[] { ddlSelectFile.SelectedItem.Text }).Tables[0]; foreach (DataRow dr in dtDeleteFolderFile.Rows) { name = dr["FileName"].ToString(); records = Convert.ToInt32(dr["NoOfRecords"].ToString()); bytes = (Byte[])dr["Data"]; } FileStream readfile = new FileStream(Server.MapPath("txtfiles/" + name), FileMode.Open); StreamReader streamreader = new StreamReader(readfile); string line = ""; line = streamreader.ReadLine(); but here i have used the FileStream to read from the Particular path. but i have saved the txt file in byt format into my Database. how to read the txt file using the byte[] value to get the txt file content, instead of using the Path value.

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  • delphi Ado update insert betwen 2 records

    - by user315957
    i nead to update recordes from one table to the other (this for the master Table and f«the same for the DetailTable. first a posicion the record of the record´s of the table i whant to copy update from: Tabelamestre(Local_deste_cliente) (1 record ) NInterv.text:=dbedit1.text; Begin with ADOTable_casa do Begin Close; SQL.Clear; SQL.Add('SELECT * from Vibrometria_'); SQL.Add('Where numeracao LIKE ''%'+NInterv.text ); Open; end; end now i need to update/insert the record´s from Vibrometria := Local_deste_cliente (TADOTABLE) Now i nead to get the record above and do the same for the 2 detail tables Vibrometria_Sub (J) := Tabeladetail (Variaveis_neste_local). ((J) Records and i stil have another table thar get a master record from (K) Tabeladetail (Variaveis_neste_local) Vibrometria_Sub1 (K) := Tabeladetail1(Variaveis_neste_local1). ((k) Records lest´s say i nead to update 1 to N starting in the first table!!!!!!!! is there a fast solucion for this!!!!!! Thanks

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  • database table in Magento does not exist: sales_flat_shipment_grid

    - by dene
    We're using Magento 1.4.0.1 and want to use an extension from a 3rd party developer. The extension does not work, because of a join to the table "sales_flat_shipment_grid": $collection = $model->getCollection()->join('sales/shipment_grid', 'increment_id=shipment', array('order_increment_id'=>'order_increment_id', 'shipping_name' =>'shipping_name'), null,'left'); Unfortunately this table does not exist n our database. So the error "Can't retrieve entity config: sales/shipment_grid" appears. If I comment this part out, the extension is working, but I guess, it does not proper work. Does anybody know something about this table? There are a backend-option for the catalog to use the "flat table" option, but this is only for the catalog. And the tables already exists, no matter which option is checked. Thank you a lot! :-)

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  • Python - which multi platform GUI framework to use?

    - by Iacopo
    Hi, I've written a Python GUI application and made it run on Linux, Windows and Mac. The framework I'm using is PyGtk. The final result is not really good: the application looks horrible on Mac, and it is not really 'native' neither on Windows. Furthermore on Mac the windows' behavior is sometimes wrong, with modal dialogs appearing below the main windows. I've explored other frameworks and I've found that a porting may be really hard: PyQt it is huge, difficult to install and to distribute under Mac; PyGui is poor: I need tables and tree views at least; wxPython state explicitly that you have to use a custom python build for Mac Tkinter: didn't check it, only have the impression that it is obsolete I know this question may appear similar to http://stackoverflow.com/questions/394039/which-python-gui-framework but in that thread the portability issue is not really taken in account. Windows and Mac are a must, since most of my user have that systems. Can you also suggest some books?

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  • Loading Fact Table + Lookup / UnionAll for SK lookups.

    - by Nev_Rahd
    I got to populate FactTable with 12 lookups to dimension table to get SK's, of which 6 are to different Dim Tables and rest 6 are lookup to same DimTable (type II) doing lookup to same natural key. Ex: PrimeObjectID = lookup to DimObject.ObjectID = get ObjectSK and got other columns which does same OtherObjectID1 = lookup to DimObject.ObjectID = get ObjectSK OtherObjectID2 = lookup to DimObject.ObjectID = get ObjectSK OtherObjectID3 = lookup to DimObject.ObjectID = get ObjectSK OtherObjectID4 = lookup to DimObject.ObjectID = get ObjectSK OtherObjectID5 = lookup to DimObject.ObjectID = get ObjectSK for such multiple lookup how should go in my SSIS package. for now am using lookup / unionall foreach lookup. Is there a better way to this.

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  • Auto Generated - CREATE Table Script in SQL 2008 throws error

    - by jack
    I scripted the tables in my dev database using SQL 2008 - generate scripts option (Datbase-right click-Tasks-Generate Scripts) and ran it on the staging database, but the script throws the below error for each table Msg 102, Level 15, State 1, Line 1 Incorrect syntax near '('. Msg 319, Level 15, State 1, Line 15 Incorrect syntax near the keyword 'with'. If this statement is a common table expression, an xmlnamespaces clause or a change tracking context clause, the previous statement must be terminated with a semicolon. Below is the script for one of my table ALTER TABLE [dbo].[Customer]( [CustomerID] [int] IDENTITY(1,1) NOT NULL, [FirstName] [nvarchar](500) NULL, [LastName] [nvarchar](500) NULL, [DateOfBirth] [datetime] NULL, [EmailID] [nvarchar](200) NULL, [ContactForOffers] [bit] NULL, CONSTRAINT [PK_Customer] PRIMARY KEY CLUSTERED ( [CustomerID] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY] GO Any help will be much appreciated.

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  • How to access a plugin model from a regular controller in PHP Cake 1.1

    - by Duncan
    Hopefully a simple question: I've a plugin which uses a set of tables (kb_items, kb_item_tags, etc). and I'd like to be able to access these models from another controller (say, my Pages controller), thus: class PagesController extends AppController{ function knowledgebase(){ $items = $this->KbItem->findAll(...); } } I am admittedly breaking the rules a little (by not placing this controller inside the knowledge base plugin), but this in this case its a custom page that doesn't need to be part of the knowledge base plugin code base. Please let me know if you need more details. Thanks in advance for any help!

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  • Java: Embedded Data Base

    - by Dmitry
    Hello! I want to create a desctop application with an embedded data base. Data base is JavaDB(Derby). I have connected a jar file derby.jar to my project. The problem is I don't understand how to register a driver to use this data base. It is said that I should use Class.forName("org.apache.derby.jdbc.EmbeddedDriver") But what if that was another data base and its driver was not in a java standart package? As you can see I'm confused with this. I want to know, how to use my connected derby.jar, how to work with its jdbc driver and how to create tables in a specified directory. Please, give as detailed answer, as you can. (I'm a dummy in this =)) )

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  • Align table columns HTML

    - by Luigi Tiburzi
    I finally was able to align the columns in the tables of a page of my website. Though I found the solution I don't understand it. This is a fiddle I prepared. If you delete display: block from the CSS the columns are centered perfectly. The fact is that I don't understand what that instruction is causing problems, doesn't it means that elements are displayed as block elements? Shouldn't it cause the elements (the raw in particular) to fill an entire line? Thanks for your explanation

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  • How to programmatically set a data cell of database in VB.Net?

    - by manuel
    I have a Microsoft Access database file connected to VB.NET. In the database table, I have a 'No.' and a 'Status' column. Then I have a textbox where I can input an integer. I also have a button, which will change the data cell in 'Status' where 'No.' = textbox.Text(), when I click it. Let's say I want the 'Status' cell to be changed to "Low". What codes should I put in the button_Click event handler? Here is the codes I used to retrieve and display the database table. Public Class theForm Dim con As New OleDb.OleDbConnection Dim ds As New DataSet Dim daTitles As OleDb.OleDbDataAdapter Private Sub theForm_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load con.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0; Data Source=|DataDirectory|\db1.mdb" con.Open() daTitles = New OleDb.OleDbDataAdapter("SELECT * FROM Titles", con) daTitles.Fill(ds, "Titles") DataGridView1.DataSource = ds.Tables("Titles") DataGridView1.AutoResizeColumns() End Sub

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  • SQLite table creation date

    - by legr3c
    Is there a way to query the creation date of a table in SQLite? I am new to SQL, overall. I just found this http://stackoverflow.com/questions/1171019/sql-server-table-creation-date-query. I am assuming that sqlite_master is the equivalent to sys.tables in SQLite. Is that correct? But then my sqlite_master table only has the columns "type", "name", "tbl_name", "rootpage" and "sql". If this is not possible in SQLite, what would be the best way to implement this functionality by myself?

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  • Complicated MySQL query?

    - by Scott
    I have two tables: RatingsTable that contains a ratingname and a bit whether it is a positive or negative rating: Good 1 Bad 0 Fun 1 Boring 0 FeedbackTable that contains feedback on things...the person rating, the rating and the thing rated. The feedback can be determined if it's a positive or negative rating based on RatingsTable. Jim Chicken Good Jim Steak Bad Ted Waterskiing Fun Ted Hiking Fun Nancy Hiking Boring I am trying to write an efficient MySQL query for the following: On a page, I want to display the the top 'things' that have the highest proportional positive ratings. I want to be sure that the items from the feedback table are unique...meaning, that if Jim has rated Chicken Good 20 times...it should only be counted once. At some point I will want to require a minimum number of ratings (at least 10) to be counted for this page as well. I'll want to to do the same for highest proportional negative ratings, but I am sure I can tweak the one for positive accordingly.

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  • List of fundamental data structures - what am I missing?

    - by jboxer
    I've been studying my fundamental data structures a bunch recently, trying to make sure I've got them down cold. By "fundamental", I mean the real basic ones. Fancy ones like Red-Black Trees and Bloom Filters are clearly worth knowing, but they're usually either enhancements of fundamental ones (Red-Black Trees are binary search trees with special properties to keep them balanced) or they're only useful in very specific situations (Bloom Filters). So far, I'm "fluent" in the following data structures: Arrays Linked Lists Stacks/Queues Binary Search Trees Heaps/Priority Queues Hash Tables However, I feel like I'm missing something. Are there any fundamental ones that I'm forgetting about? EDIT: Added these after posting the question Strings (suggested by catchmeifyoutry) Sets (suggested by Peter) Graphs (suggested by Nick D and aJ) B-Trees (Suggested by tloach) I'm a little on-the-fence about whether these are too fancy or not, but I think they're different enough from the fundamental structures (and important enough) to be worth studying as fundamental.

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  • How to force asp.net GridView control to wrap first row within <thead> </thead> tags

    - by burak ozdogan
    Hi, I want to use Christian Bach's tableSorter client-side table sorting jQuery plugin with my asp.Net GridView control. But the problem is, in the documentation it writes: tablesorter works on standard HTML tables. You must include THEAD and TBODY tags: And unfortunately asp.net renders my GridView only with tags and header row stays within as the 1st row. I have tried: dgvRate.HeaderRow.TableSection = TableRowSection.TableHeader; after calling .DataBind(); It only helped to have <TH></TH> within the header . But still everything is inside <tbody> Can I accomplish this, I mean moving my 1st row from <tbody></tbody> to <thead></thead> ? I do not want to add it manually on PreRender stage; I am sure this could be handled much simpler, isn't it? thanks

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  • How to Check for record existence and do Insert in MYSQL ?

    - by karthik
    How to Check for record existence and do Insert or Update in MYSQL ? I have a script, which has set of Insert statements for multiple tables. Now when i try to execute the Insert statement, i want to do the following.. Check for the record existence and then do Insert or Update. If the Record is not exist do Insert. If the Record is already do not do anything. How to accomplish this ? Note : The script with Insert Statements are generated programmaticaly using SP

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