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  • Adding List Array item In A Data Table Using Loop Results Error .. .

    - by Syed Raza
    I am trying to put the list array(res) item in to the Data Table(_Hdt) using for Loop I have put the values in "res" list erray using loop...but this loop results in an error: "variable use asd a method ?" Here _Hdt and dt are data table and res is list array, for (int r = 0; r < _Hdt.Rows.Count; r++) { foreach (DataRow row in dt.Select("DATE='" + _Hdt.Rows[r]["DATE"].ToString().Trim() + "'")) { DateTime date = Convert.ToDateTime(_Hdt.Rows[r]["DATE"].ToString().Trim()); string dateformat = String.Format("{0:dddd MMM d}", date); _Hdt.Rows[r]["DATE"] = dateformat; _Hdt.Rows[r]["MTU"] = row["MTU"].ToString().Trim(); _Hdt.Rows[r]["POWER"] = (Convert.ToDecimal(row["POWER"].ToString().Trim()) / 1000).ToString(); _Hdt.Rows[r]["COST"] = row["COST"].ToString().Trim(); _Hdt.Rows[r]["VOLTAGE"] = row["VOLTAGE"].ToString().Trim(); _Hdt.Rows[r]["KW"] = res(r); } }

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  • Oracle Sql Query taking a day long to return results using dblink

    - by Suresh S
    Guys i have the following oracle sql query that gives me the monthwise report between the dates. Basically for nov month i want sum of values between the dates 01nov to 30 nov. The table tha is being queried is residing in another database and accesssed using dblink. The DT columns is of NUMBER type (for ex 20101201) .The execution of the query is taking a day long and not completed. kindly suggest me , if their is any optimisation that can be suggested to my DBA on the dblink, or any tuning that can be done on the query , or rewriting the same. SELECT /*+ PARALLEL (A 8) */ TO_CHAR(TRUNC(TRUNC(SYSDATE,'MM')- 1,'MM'),'MONYYYY') "MONTH", TYPE AS "TYPE", COLUMN, COUNT (DISTINCT A) AS "A_COUNT", COUNT (COLUMN) AS NO_OF_COLS, SUM (DURATION) AS "SUM_DURATION", SUM (COST) AS "COST" FROM **A@LN_PROD A** WHERE DT >=TO_NUMBER(TO_CHAR(TRUNC(TRUNC(SYSDATE,'MM')-1,'MM'),'YYYYMMDD')) AND DT < TO_NUMBER(TO_CHAR(TRUNC(TRUNC(SYSDATE,'MM'),'MM'),'YYYYMMDD')) GROUP BY TYPE, COLUMN

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  • Rails/mysql SUM distinct records - optimization

    - by pepernik
    Hey. How would you optimize this SQL SELECT SUM(tmp.cost) FROM ( SELECT DISTINCT clients.id as client, countries.credits_cost AS cost FROM countries INNER JOIN clients ON clients.country_id = countries.id INNER JOIN clients_groups ON clients_groups.client_id=clients.id WHERE clients_groups.group_id IN (1,2,3,4,5,6,7,8,9) GROUP BY clients.id ) AS tmp; I'm using this example as part of my Ruby on Rails project. Note that my nested SQL (tmp) can have more then 10 milion records. You can split that in more SQLs if the performance is better. Should I add any indexes to make it quicker (i have it on IDs)?

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  • Python: Find X to Y in a list of strings.

    - by TheLizardKing
    I have a list of maybe a 100 or so elements that is actually an email with each line as an element. The list is slightly variable because lines that have a \n in them are put in a separate element so I can't simply slice using fixed values. I essentially need a variable start and stop phrase (needs to be a partial search as well because one of my start phrases might actually be Total Cost: $13.43 so I would just use Total Cost:.) Same thing with the end phrase. I also do not wish to include the start/stop phrases in the returned list. In summary: email = ['apples','bananas','cats','dogs','elephants','fish','gee'] start = 'ban' stop = 'ele' the magic here new_email = ['cats','dogs'] NOTES While not perfect formatting of the email, it is fairly consistent so there is a slim chance a start/stop phrase will occur more than once. There are also no blank elements.

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  • Facebook Hacker Cup: Power Overwhelming

    - by marcog
    A lot of people at Facebook like to play Starcraft II™. Some of them have made a custom game using the Starcraft II™ map editor. In this game, you play as the noble Protoss defending your adopted homeworld of Shakuras from a massive Zerg army. You must do as much damage to the Zerg as possible before getting overwhelmed. You can only build two types of units, shield generators and warriors. Shield generators do no damage, but your army survives for one second per shield generator that you build. Warriors do one damage every second. Your army is instantly overrun after your shield generators expire. How many shield generators and how many warriors should you build to inflict the maximum amount of damage on the Zerg before your army is overrun? Because the Protoss value bravery, if there is more than one solution you should return the one that uses the most warriors. Constraints 1 = G (cost for one shield generator) = 100 1 = W (cost for one warrior) = 100 G + W = M (available funds) = 1000000000000 (1012)

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  • Best language to develop medical software

    - by Grace
    I need to write medical program to manage medical practices (patient records, appointments, prescription, etc). Note that this is not for US practices so US EMRs will not work. What is the best platform to develop the software in ie. language and database? Considerations include: - Integration with the web - will need to have Doctors download updates to the software from the web. Will also post reports from the software unto webpages - The software will include a mobile application - probably for Blackberry - Cost is a big factor - need to minimize the license cost to the users - Need tight security on the program

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  • NP-complete problem in Prolog

    - by Ashley
    I saw this ECLiPSe solution to the problem mentioned in this XKCD comic. I tried to convert this to pure Prolog. go:- Total = 1505, Prices = [215, 275, 335, 355, 420, 580], length(Prices, N), length(Amounts, N), totalCost(Prices, Amounts, 0, Total), writeln(Total). totalCost([], [], TotalSoFar, TotalSoFar). totalCost([P|Prices], [A|Amounts], TotalSoFar, EndTotal):- between(0, 10, A), Cost is P*A, TotalSoFar1 is TotalSoFar + Cost, totalCost(Prices, Amounts, TotalSoFar1, EndTotal). I don't think that this is the best / most declarative solution that one can come up with. Does anyone have any suggestions for improvement? Thanks in advance!

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  • What is the best way to reduce code and loop through a hierarchial commission script?

    - by JM4
    I have a script which currently "works" but is nearly 3600 lines of code and makes well over 50 database calls within a single script. From my experience, there is no way to really "loop" the script and minimize it because each call to the database is a subquery of the ones before based on referral ids. Perhaps I can give a very simple example of what I am trying to accomplish and see if anybody has experience with something similar. In my example, there are three tables: Table 1 - Sellers ID | Comm_level | Parent ----------------------------------- 1 | 4 | NULL 2 | 3 | 1 3 | 2 | 1 4 | 2 | 2 5 | 2 | 2 6 | 1 | 3 Where ID is the id of one of our sales agents, comm_level will determine what his commission percentage is for each product he sells, parent indicates the ID for whom recruited that particular agent. In the example above, 1 is the top agent, he recruited two agents, 2 and 3. 2 recruited two agents, 4 and 5. 3 recruited one agent, 6. NOTE: An agent can NEVER recruit anybody equal to or higher than their own level. Table 2 - Commissions Level | Item 1 | Item 2 | Item 3 ----------------------------------------------------- 4 | .5 | .4 | .3 3 | .45 | .35 | .25 2 | .4 | .3 | .2 1 | .35 | .25 | .15 This table lays out the commission percentages for each agent based on their actual comm_level (if an agent is at a level 4, he will receive 50% on every item 1 sold, 40% on every item 2, 30% on every item 3 and so on. Table 3 - Items Sold ID | Item --------------------- 4 | item_1 4 | item_2 1 | item_1 2 | item_3 6 | item_2 1 | item_3 This table pairs the actual item sold with the seller who sold the item. When generating the commission report, calculating individual values is very simple. Calculating their commission based on their sub_sellers however is very difficult. In this example, Seller ID 1 gets a piece of every single item sold. The commission percentages indicate individual sales or the height of their commission. For example: When seller ID 6 sold one of item_2 above, the tree for commissions will look like the following: -ID 6 - 25% of cost(item_1) -ID 3 - 5% of cost(item_1) - (30% is his comm - 25% comm of seller id 6) -ID 1 - 10% of cost(item_1) - (40% is his comm - 30% of seller id 3) This must be calculated for every agent in the system from the top down (hence the DB calls within while loops throughout my enormous script). Anybody have a good suggestion or samples they may have used in the past?

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  • jquery - clone nth row of a table?

    - by John
    I'm trying to use jquery to clone a table row everytime someone presses the add-row button. Can anyone tell me what's wrong with my code? I'm using HTML + smarty templating language in my view. Here's what my template file looks like: <table> <tr> <td>Description</td> <td>Unit</td> <td>Qty</td> <td>Total</td> <td></td> </tr> <tbody id="entries"> {foreach from=$arrItem item=i name=inv} <tr> <td> <input type="hidden" name="invoice_item_id[]" value="{$i.invoice_item_id}"/> <input type="hidden" name="assignment_id[]" value="{$i.assignment_id}" /> <input type="text" name="description[]" value="{$i.description}"/> </td> <td><input type="text" class="unit_cost" name="unit_cost[]" value="{$i.unit_cost}"/></td> <td><input type="text" class="qty" name="qty[]" value="{$i.qty}"/></td> <td><input type="text" class="cost" name="cost[]" value="{$i.cost}"/></td> <td><a href="javascript:void(0);" class="delete-invoice-item">delete</a></td> </tr> {/foreach} </tbody> <tfoot> <tr><td colspan="5"><input type="button" id="add-row" value="add row" /></td></tr> </tfoot> </table> Here's my Jquery Javascript call, which I know gets fired when I put in an alert() statement. So the problem is with me not knowing how jquery works. $('#add-row').live('click', function() {$('#entries tr:nth-child(0)').clone().appendTo('#entries');}); So what am I doing wrong?

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  • how can i send jquery ajax http request with php

    - by testkhan
    i have following form... <form action="http://mydomain.com/get.php" method="post"> <input type="hidden" value="thisisvalue" name="hdnvalue"> <input type="text" name="cost" id="cost"><br><br> <textarea id="msg" name="message"></textarea><br><br> <input type="submit" value="Send" id="send"> </form> the get.php file will response in 1 or 0 i.e 1 means recieved and 0 means not recieved now i want to send it to http://mydomain.com/get.php via http request with jquery ajax how can i do that get the returned value..

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  • Tests that are 2-3 times bigger than the testable code

    - by HeavyWave
    Is it normal to have tests that are way bigger than the actual code being tested? For every line of code I am testing I usually have 2-3 lines in the unit test. Which ultimately leads to tons of time being spent just typing the tests in (mock, mock and mock more). Where are the time savings? Do you ever avoid tests for code that is along the lines of being trivial? Most of my methods are less than 10 lines long and testing each one of them takes a lot of time, to the point where, as you see, I start questioning writing most of the tests in the first place. I am not advocating not unit testing, I like it. Just want to see what factors people consider before writing tests. They come at a cost (in terms of time, hence money), so this cost must be evaluated somehow. How do you estimate the savings created by your unit tests, if ever?

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  • JavaScript: Can I declare a variable by querying which function is called? (Newbie)

    - by belle3WA
    I'm working with an existing JavaScript-powered cart module that I am trying to modify. I do not know JS and for various reasons need to work with what is already in place. The text that appears for my quantity box is defined within an existing function: function writeitems() { var i; for (i=0; i<items.length; i++) { var item=items[i]; var placeholder=document.getElementById("itembuttons" + i); var s="<p>"; // options, if any if (item.options) { s=s+"<select id='options"+i+"'>"; var j; for (j=0; j<item.options.length; j++) { s=s+"<option value='"+item.options[j].name+"'>"+item.options[j].name+"</option>"; } s=s+"</select>&nbsp;&nbsp;&nbsp;"; } // add to cart s=s+method+"Quantity: <input id='quantity"+i+"' value='1' size='3'/> "; s=s+"<input type='submit' value='Add to Cart' onclick='addtocart("+i+"); return false;'/></p>"; } placeholder.innerHTML=s; } refreshcart(false); } I have two different types of quantity input boxes; one (donations) needs to be prefaced with a dollar sign, and one (items) should be blank. I've taken the existing additem function, copied it, and renamed it so that there are two identical functions, one for items and one for donations. The additem function is below: function additem(name,cost,quantityincrement) { if (!quantityincrement) quantityincrement=1; var index=items.length; items[index]=new Object; items[index].name=name; items[index].cost=cost; items[index].quantityincrement=quantityincrement; document.write("<span id='itembuttons" + index + "'></span>"); return index; } Is there a way to declare a global variable based on which function (additem or adddonation) is called so that I can add that into the writeitems function so display or hide the dollar sign as needed? Or is there a better solution? I can't use HTML in the body of the cart page because of the way it is currently coded, so I'm depending on the JS to take care of it. Any help for a newbie is welcome. Thanks!

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  • Delete from empty table taking forver

    - by Will
    Hello, I have an empty table that previously had a large amount of rows. The table has about 10 columns and indexes on many of them, as well as indexes on multiple columns. DELETE FROM item WHERE 1=1 This takes approximately 40 seconds to complete SELECT * FROM item this takes 4 seconds. The execution plan of SELECT * FROM ITEM shows the following; SQL> select * from midas_item; no rows selected Elapsed: 00:00:04.29 Execution Plan ---------------------------------------------------------- 0 SELECT STATEMENT Optimizer=CHOOSE (Cost=19 Card=123 Bytes=73 80) 1 0 TABLE ACCESS (FULL) OF 'MIDAS_ITEM' (Cost=19 Card=123 Byte s=7380) Statistics ---------------------------------------------------------- 0 recursive calls 0 db block gets 5263 consistent gets 5252 physical reads 0 redo size 1030 bytes sent via SQL*Net to client 372 bytes received via SQL*Net from client 1 SQL*Net roundtrips to/from client 0 sorts (memory) 0 sorts (disk) 0 rows processed any idea why these would be taking so long and how to fix it would be greatly appreciated!!

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  • Why isn't INT more efficient than UNIQUEIDENTIFIER (according to the execution plan)?

    - by ck
    I have a parent table and child table where the columns that join them together are the UNIQUEIDENTIFIER type. The child table has a clustered index on the column that joins it to the parent table (its PK, which is also clustered). I have created a copy of both of these tables but changed the relationship columns to be INTs instead, have rebuilt the indexes so that they are essentially the same structure and can be queried in the same way. When I query for a known 20 records from the parent table, pulling in all the related records from the child tables, I get identical query costs across both, i.e. 50/50 cost for the batches. If this is true, then my giant project to change all of the tables like this appears to be pointless, other than speeding up inserts. Can anyone provide any light on the situation? EDIT: The question is not about which is more efficient, but why is the query execution plan showing both queries as having the same cost?

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  • Caluculating sum of activity

    - by Maddy
    I have a table which is with following kind of information activity cost order date other information 10 1 100 -- 20 2 100 10 1 100 30 4 100 40 4 100 20 2 100 40 4 100 20 2 100 10 1 101 10 1 101 20 1 101 My requirement is to get sum of all activities over a work order ex: for order 100 1+2+4+4=11 1(for activity 10) 2(for activity 20) 4 (for activity 30) etc. i tried with group by, its taking lot time for calculation. There are 1lakh plus records in warehouse. is there any possibility in efficient way. SELECT SUM(MIN(cost)) FROM COST_WAREHOUSE a WHERE order = 100 GROUP BY (order, ACTIVITY)

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  • How to restart fvwm2 from the command line?

    - by Chris
    For a very specific software application, we maintain a base of machines running fvwm 2.5. To update the menu structure, the fvwm2rc default config file is replaced during the update process performed by a package management system. To enable the new menu structure after an update, the user has to manually perform an action: Restart machine, re-login, restart fvwm. The preferred action is to choose "Window Manager Restart Fvwm2" since no login is needed then and even the windows survive. Question: How can I invoke an equivalent action as "Restart Fvwm2" from the command line or the package management system? The following command does not work (neither do similar ones): fvwm -c "Restart" [FVWM][SetupICCCM2]: <<ERROR>> another ICCCM 2.0 compliant WM is running, try -replace "-replace" is no option since one needs to log in again after calling it.

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  • Windows Server 2012 IPAM feature - "Unblock IPAM Access" error/recomended action

    - by HopelessN00b
    So, I'm in the process of setting up an IP Address Management server, using the built-in IPAM feature in Server 2012, and have run into a problem that I'm hoping someone else has successfully solved. Following the technet guide here, I've installed and configured IPAM, and have provisioned it via GPO. After verifying that the PowerShell invoke-ipamgpoprovisioning command is successful, managing the desired servers in IPAM, running gpupdate /force on the servers and refreshing my view in IPAM, I'm still getting the less-than-useful recommended action of "Unblock IPAM Access" for all servers. (First done 3 hours ago, so it's not a give-it-time-to-propagate issue.) Can't, for the life of me, seem to figure out what's causing this, find anything useful in the logs, or find much about this on Google or in the help files, so I was wondering if anyone here had any ideas about how to fix this, or even where to start looking. I'd really like to get this working, because if not, I have to resume work on creating an Excel spreadsheet for IP address management.

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  • Cannot find one or more components. Please reinstall application

    - by Chris
    I am running Windows 8, 64 bit and have SQL Server 2012 installed. I downloaded the client tools, looked in the directory for SQL Server Management Studio, and see it's there. When I try to run SQL Management Studio I receive the error message: "Cannot find one or more components. Please reinstall application". This problem just started. I have reinstalled the application and downloaded the service packs. The shortcut key shows the path but it still will not run.

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  • How to enable remote device manager?

    - by Petoj
    I have a hyper-v-server-2012-r2 Core server thats not joined to any domain. What configuration must i do on the server and client to connect with MMC \ Device Manager? I have managed to connect with the Computer Management to the server and i can access every thing in there but the device manager (and a few more that im not interested in)... When i click the Device manager i get the following error: I have checked and both services are running.. If possible i would like a step by step guide what to do on a freshly installed Hyper-v Core server to get every thing in Computer Management remotely accessible including Device Manager.

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  • SysAdmin Career Question: Internal or Client Based

    - by Malnizzle
    ServerFault Community, It seems there are two positions SysAdmins find themselves in, either you are working for a non-IT services based single client (your employer) and providing in-house IT support or you work for a company who provides out sourced IT services to multiple clients. Right now I work for a company who does the latter, and I often consider how nice it would be doing the in-house side of things, to just have one network I am focused on and instead of feeling like I have a dozen bosses between clients and internal management, I would just have one set of management and people to appease. There is also the technical aspect of every client wanting something different, and having to manage numerous different technology platforms, or trying to force clients into using the technologies we prefer, neither situation is enjoyable. Is this just "the grass is greener on the other side" syndrome, or is there some legitimacy to the the stress of client based IT work compared to being an in-house IT guy? Thanks!

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  • Custom forms in Sharepoint with MS SQL Server as Backend. Is it possible?

    - by Kaan
    We're evaluating using SharePoint 2010 as our project management tool. Specifically, the system needs to satisfy the following: Discussion groups Project management (simple issue tracking, no complex workflows or vcs integrations) News feed for the project(s) File sharing based on authorization/user-roles Custom homepage Custom forms using MS SQL Server as a backend and contents of old forms searchable from the user interface. Now, I think [1-5] is possible using SharePoint (Comments are always welcome :)). I'm not sure about [6]. Is it possible? For instance, can an admin or a user of the SharePoint portal, create a custom form (without any programming) that uses MS SQL Server as a backend and publish it to the portal so that other users can also perform data entry? If it can be done (be it with or without some programming), can users perform text search on form data using the SharePoint interface?

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  • "powershell has stopped working" on PS exit after creating IIS User

    - by Nick Jones
    On a Windows Server 2012 box, I'm using PS to create a new IIS User (for automated deployments using MSDeploy). The command itself appears to work fine -- the user is created -- but as soon as I exit my PowerShell session (typing exit or just closing the command window), a dialog is displayed stating "powershell has stopped working", with the following details: Problem signature: Problem Event Name: PowerShell NameOfExe: powershell.exe FileVersionOfSystemManagementAutomation: 6.2.9200.16628 InnermostExceptionType: Runtime.InteropServices.InvalidComObject OutermostExceptionType: Runtime.InteropServices.InvalidComObject DeepestPowerShellFrame: unknown DeepestFrame: System.StubHelpers.StubHelpers.GetCOMIPFromRCW ThreadName: unknown OS Version: 6.2.9200.2.0.0.400.8 Locale ID: 1033 The PS commands in question are: [System.Reflection.Assembly]::LoadWithPartialName("Microsoft.Web.Management") [Microsoft.Web.Management.Server.ManagementAuthentication]::CreateUser("Foo", "Bar") Why is this happening and how can I avoid it? EDIT: I've also confirmed this be a problem with PowerShell 4.0, so I've added that tag. I've also submitted it on Connect. UPDATE: It appears that Windows Server 2012 R2 does not have this same bug.

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