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  • SQL: Using a CASE Statement to update a 1000 rows at once, how??

    - by SoLoGHoST
    Ok, I would like to use a CASE STATEMENT for this, but I am lost with this. Basically, I need to update a ton of rows, but just on the "position" column. I need to update all "position" values from 0 - count(position) for each id_layout_position column per id_layout column. Here's what I got for a regular update, but I don't wanna throw this into a foreach loop, as it would take forever to do it. I'm using SMF (Simple Machines Forums), so it might look a little different, but the idea is the same, and CASE statements are supported... $smcFunc['db_query']('', ' UPDATE {db_prefix}dp_positions SET position = {int:position} WHERE id_layout_position = {int:id_layout_position} AND id_layout = {int:id_layout}', array( 'position' => $position++, 'id_layout_position' => (int) $id_layout_position, 'id_layout' => (int) $id_layout, ) ); Anyways, I need to apply some sort of CASE on this so that I can auto-increment by 1 all values that it finds and update to the next possible value. I know I'm doing this wrong, even in this QUERY. But I'm totally lost when it comes to CASES. Here's an example of a CASE being used within SMF, so you can see this and hopefully relate: $conditions = ''; foreach ($postgroups as $id => $min_posts) { $conditions .= ' WHEN posts >= ' . $min_posts . (!empty($lastMin) ? ' AND posts <= ' . $lastMin : '') . ' THEN ' . $id; $lastMin = $min_posts; } // A big fat CASE WHEN... END is faster than a zillion UPDATE's ;). $smcFunc['db_query']('', ' UPDATE {db_prefix}members SET id_post_group = CASE ' . $conditions . ' ELSE 0 END' . ($parameter1 != null ? ' WHERE ' . (is_array($parameter1) ? 'id_member IN ({array_int:members})' : 'id_member = {int:members}') : ''), array( 'members' => $parameter1, ) ); Before I do the update, I actually have a SELECT which throws everything I need into arrays like so: $disabled_sections = array(); $positions = array(); while ($row = $smcFunc['db_fetch_assoc']($request)) { if (!isset($disabled_sections[$row['id_group']][$row['id_layout']])) $disabled_sections[$row['id_group']][$row['id_layout']] = array( 'info' => $module_info[$name], 'id_layout_position' => $row['id_layout_position'] ); // Increment the positions... if (!is_null($row['position'])) { if (!isset($positions[$row['id_layout']][$row['id_layout_position']])) $positions[$row['id_layout']][$row['id_layout_position']] = 1; else $positions[$row['id_layout']][$row['id_layout_position']]++; } else $positions[$row['id_layout']][$row['id_layout_position']] = 0; } Thanks, I know if anyone can help me here it's definitely you guys and gals... Anyways, here is my question: How do I use a CASE statement in the first code example, so that I can update all of the rows in the position column from 0 - total # of rows found, that have that id_layout value and that id_layout_position value, and continue this for all different id_layout values in that table? Can I use the arrays above somehow? I'm sure I'll have to use the id_layout and id_layout_position values for this right? But how can I do this?

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  • Opening of the spWeb.ContentTypes gives SOAP Exception 0x80004004

    - by mdi
    Hi everybody! I have the code which going through the sharepoint contenttypes and changes needed field display names. On my local server everything works fine, but on the client side it gives me an error: Microsoft.SharePoint.SPException: Operation aborted (Exception from HRESULT: 0x80004004 (E_ABORT)) --- System.Runtime.InteropServices.COMException (0x80004004): Operation aborted (Exception from HRESULT: 0x80004004 (E_ABORT)) at Microsoft.SharePoint.Library.SPRequestInternalClass.OpenWebInternal(String bstrUrl, Guid& pguidID, String& pbstrRequestAccessEmail, UInt32& pwebVersion, String& pbstrServerRelativeUrl, UInt32& pnLanguage, UInt32& pnLocale, String& pbstrDefaultTheme, String& pbstrDefaultThemeCSSUrl, String& pbstrAlternateCSSUrl, String& pbstrCustomizedCssFileList, String& pbstrCustomJSUrl, String& pbstrAlternateHeaderUrl, String& pbstrMasterUrl, String& pbstrCustomMasterUrl, String& pbstrSiteLogoUrl, String& pbstrSiteLogoDescription, Object& pvarUser, Boolean& pvarIsAuditor, Int32& plSiteFlags) at Microsoft.SharePoint.Library.SPRequest.OpenWebInternal(String bstrUrl, Guid& pguidID, String& pbstrRequestAccessEmail, UInt32& pwebVersion, String& pbstrServerRelativeUrl, UInt32& pnLanguage, UInt32& pnLocale, String& pbstrDefaultTheme, String& pbstrDefaultThemeCSSUrl, String& pbstrAlternateCSSUrl, String& pbstrCustomizedCssFileList, String& pbstrCustomJSUrl, String& pbstrAlternateHeaderUrl, String& pbstrMasterUrl, String& pbstrCustomMasterUrl, String& pbstrSiteLogoUrl, String& pbstrSiteLogoDescription, Object& pvarUser, Boolean& pvarIsAuditor, Int32& plSiteFlags) --- End of inner exception stack trace --- at Microsoft.SharePoint.Library.SPRequest.OpenWebInternal(String bstrUrl, Guid& pguidID, String& pbstrRequestAccessEmail, UInt32& pwebVersion, String& pbstrServerRelativeUrl, UInt32& pnLanguage, UInt32& pnLocale, String& pbstrDefaultTheme, String& pbstrDefaultThemeCSSUrl, String& pbstrAlternateCSSUrl, String& pbstrCustomizedCssFileList, String& pbstrCustomJSUrl, String& pbstrAlternateHeaderUrl, String& pbstrMasterUrl, String& pbstrCustomMasterUrl, String& pbstrSiteLogoUrl, String& pbstrSiteLogoDescription, Object& pvarUser, Boolean& pvarIsAuditor, Int32& plSiteFlags) at Microsoft.SharePoint.SPWeb.InitWebPublic() at Microsoft.SharePoint.SPWeb.get_ServerRelativeUrl() at Microsoft.SharePoint.SPWeb.get_Url() at Microsoft.SharePoint.SPContentTypeCollection.FetchCollection() at Microsoft.SharePoint.SPContentTypeCollection..ctor(SPWeb web, Boolean bAll) at Microsoft.SharePoint.SPWeb.get_ContentTypes() the code is below: SPWebApplication webApp = SPWebService.ContentService.WebApplications[someGuid]; foreach (SPSite spSite in webApp.Sites) { using (SPWeb spWeb = spSite.RootWeb) { try { foreach (SPContentType spContentType in spWeb.ContentTypes) { ... }}}.. Could anybody provide me with workaround or with the reason of the problem.

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  • Detect session hang and kill it

    - by Jack Juiceson
    Hi all, I have an asp.net page that runs certain algorithm and returns it's output. I was wondering what will happen and how to handle a case where the algorithm due to a bug goes into infinite loop. It will hog the cpu and other sessions will be served very slowly. I would love to have a way to tell IIS, if processing Algo.aspx takes more than 5 seconds, kill it or something like that. Thanks in advance

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  • Semantic #region usage

    - by Luca
    What's your opinion about using #region folding using application semantic, instead of folding for "syntax". For example: #region Application Loop #region User Management #region This Kinf of stuffs instead of #region Private Routines #region Public Properties #region ThisRoutine // (Yes, I've seen this also!) In this logic, I'm starting fold even routine bodies. I'm starting to love #region directive (even using #pragma region when using C++!).

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  • Reducing similar commands

    - by Kevin
    How can I reduce the amount of similar commands into a loop? Something like pictureBox7.BackColor = Color.FromArgb(187, 187, 187); pictureBox9.BackColor = Color.FromArgb(187, 187, 187); pictureBox10.BackColor = Color.FromArgb(187, 187, 187); pictureBox11.BackColor = Color.FromArgb(187, 187, 187); pictureBox12.BackColor = Color.FromArgb(187, 187, 187); pictureBox13.BackColor = Color.FromArgb(187, 187, 187); G2g for now, will add on later.

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  • DataGridView formatting

    - by Vadim
    I have a DGV with columns "code" and "name". Depends of lenght of a code I want to add tabulation to the "name" cells, to show structure of a data. Like that in this picture: How is it better to do? I think there is a better way then just loop for all rows and add spaces in front of names, right?

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  • what is this facebook code?

    - by Marc
    Inspecting what facebook is doing in my navigator, I see this code: for (;;);{"t":"refresh"} If you try to evaluate it, you can figure what happens (infinite loop). Do you Know what it is?

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  • java table question

    - by kate
    hello i have a issue and i want your help i have a table which is called citylink[10][2] and i want to make a check before i move on in my code if it's full to continue if it's not to break!!i know that i should use an if loop but i don't know what to put inside it!!

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  • document.evalute function giving exception

    - by R_Dhorawat
    i have a code like res = doc.evalute(xpathExpr,doc,function(prefix) { return namespaces[prefix] || null;}, XPathResult.ANY_TYPE,null ); here doc is DOM document node when i run for loop like this for(i in doc)alert(i); it gives evalute method but when i tried to use this method on dom node it giving me error like xpathResult not defined... i'm working in android browser thanks in advance....

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  • How to automatically include a number of images in the SWF file?

    - by Ponty
    Hi, i'm trying to include a number of images in my SWF file not by loading them but by embedding them in the SWF itself. I found the following instruction to do that: [Embed(source="../graphics/images/ss0.png")] private var SS0:Class; Basically, i want to embed a different number of images each time. Is there a way to do that automatically (let's say inside a for loop) or do i have to type manually this instruction for each image i want to include?

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  • How to tell if 2 arrays share the same element.

    - by Ommit
    So this is a simpler form of my problem. Lets say I have 2 arrays. A= {1,2} and B={2,4,6}. If A and B share an element then delete that element from B. I know you can loop through and compare each element in A to each element in B, but there's got to be a better way!

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  • Best way to initialise / clear a string variable cocoa

    - by Spider-Paddy
    I have a routine that parses text via a loop. At the end of each record I need to clear my string variables but I read that someString = @"" actually just points to a new string & causes a memory leak. What is the best way to handle this? Should I rather use mutable string vars and use setString:@"" between iterations?

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  • How to use an adjacency matrix to determine which rows to 'pass' to a function in r?

    - by dubhousing
    New to R, and I have a long-ish question: I have a shapefile/map, and I'm aiming to calculate a certain index for every polygon in that map, based on attributes of that polygon and each polygon that neighbors it. I have an adjacency matrix -- which I think is the same as a "1st-order queen contiguity weights matrix", although I'm not sure -- that describes which polygons border which other polygons, e.g., POLYID A B C D E A 0 0 1 0 1 B 0 0 1 0 0 C 1 1 0 1 0 D 0 0 1 0 1 E 1 0 0 1 0 The above indicates, for instance, that polygons 'C' and 'E' adjoin polygon 'A'; polygon 'B' adjoins only polygon 'C', etc. The attribute table I have has one polygon per row: POLYID TOT L10K 10_15K 15_20K ... A 500 24 30 77 ... Where TOT, L10K, etc. are the variables I use to calculate an index. There are 525 polygons/rows in my data, so I'd like to use the adjacency matrix to determine which rows' attributes to incorporate into the calculation of the index of interest. For now, I can calculate the index when I subset the rows that correspond to one 'bundle' of neighboring polygons, and then use a loop (if it's of interest, I'm calculating the Centile Gap Index, a measure of local income segregation). E.g., subsetting the 'neighborhood' of the Detroit City Schools: Detroit <- UNSD00[c(142,150,164,221,226,236,295,327,157,177,178,364,233,373,418,424,449,451,487),] Then record the marginal column proportions and a running total: catprops <- vector() for(i in 4:19) { catprops[(i-3)]<-sum(Detroit[,i])/sum(Detroit[,3]) } catprops <- as.data.frame(catprops) catprops[,2]<-cumsum(catprops[,1]) Columns 4:19 are the necessary ones in the attribute table. Then I use the following code to calculate the index -- note that the loop has "i in 1:19" because the Detroit subset has 19 polygons. cgidistsum <- 0 for(i in 1:19) { pranks <- vector() for(j in 4:19) { if (Detroit[i,j]==0) pranks <- append(pranks,0) else if (j == 4) pranks <- append(pranks,seq(0,catprops[1,2],by=catprops[1,2]/Detroit[i,j])) else pranks <- append(pranks,seq(catprops[j-4,2],catprops[j-3,2],by=catprops[j-3,1]/Detroit[i,j])) } distpranks <- vector() distpranks<-abs(pranks-median(pranks)) cgidistsum <- cgidistsum + sum(distpranks) } cgi <- (.25-(cgidistsum/sum(Detroit[,3])))/.25 My apologies if I've provided more information than is necessary. I would really like to exploit the adjacency matrix in order to calculate the CGI for each 'bundle' of these rows. If you happen to know how I could started with this, that would be great. and my apologies for any novice mistakes, I'm new to R!

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  • save 20 users with one sql query?

    - by fayer
    i save a user like this in doctrine: $user = User(); $user->name = 'peter'; $user->save(); is there a way to save 20 users in one sql query? or do i have to loop the above code 20 times hence creating 20 sql queries? thanks

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  • Can first descendent be selected directly?

    - by Ben Huh
    I am currently using find() and first() method to select the first descendent element from each of the <div> elements that contains the parent class. But I find this quite cumbersome since find() method would produce a set of matched elements before the first element is being picked. The following is the skeleton of my code: HTML <div class=parent> <ul> <li>random characters</li> <li>random characters</li> <li>random characters</li> <li>random characters</li> </ul> </div> <div class=parent> <ul> <li>random characters</li> <li>random characters</li> <li>random characters</li> <li>random characters</li> </ul> </div> <div class=non-parent> <ul> <li>random characters</li> <li>random characters</li> <li>random characters</li> <li>random characters</li> </ul> </div> <div class=parent> <ul> <li>random characters</li> <li>random characters</li> <li>random characters</li> <li>random characters</li> </ul> </div> // .....the list continues Javascript $('.parent').each(function() { $(this).find('ul li').first().css('color', 'red'); // do other stuff within each loop }); I have seen people using $(".parent li:first") selector. But, because I am doing it in a loop, I am not sure how or whether if this could be done and would like some advice. Thanks.

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