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• Moving to .net 4 results in System.Transactions Critical: 0

  - by john

  Hi I have fully working project in .net 3.5SP1, with EF 1 ORM. I tried to upgrade to .net 4. No issue while upgrading... Then i ran the project and got a NullExecptionError, with no stack trace... and no way to debug. Looking at the output windows i can read this: System.Transactions Critical: 0 : <TraceRecord xmlns="http://schemas.microsoft.com/2004/10/E2ETraceEvent/TraceRecord" Severity="Critical"><TraceIdentifier>http://msdn.microsoft.com/TraceCodes/System/ActivityTracing/2004/07/Reliability/Exception/Unhandled</TraceIdentifier><Description>Unhandled exception</Description><AppDomain>OTCSouscriptions.vshost.exe</AppDomain><Exception><ExceptionType>System.NullReferenceException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</ExceptionType><Message>Object reference not set to an instance of an object.</Message><StackTrace> at System.Windows.StyleHelper.GetInstanceValue(UncommonField`1 dataField, DependencyObject container, FrameworkElement feChild, FrameworkContentElement fceChild, Int32 childIndex, DependencyProperty dp, Int32 i, EffectiveValueEntry&amp;amp; entry) at System.Windows.FrameworkTemplate.ReceivePropertySet(Object targetObject, XamlMember member, Object value, DependencyObject templatedParent) at System.Windows.FrameworkTemplate.&amp;lt;&amp;gt;c__DisplayClass6.&amp;lt;LoadOptimizedTemplateContent&amp;gt;b__4(Object sender, XamlSetValueEventArgs setArgs) at System.Xaml.XamlObjectWriter.OnSetValue(Object eventSender, XamlMember member, Object value) at System.Xaml.XamlObjectWriter.Logic_ApplyPropertyValue(ObjectWriterContext ctx, XamlMember prop, Object value, Boolean onParent) at System.Xaml.XamlObjectWriter.Logic_DoAssignmentToParentProperty(ObjectWriterContext ctx) at System.Xaml.XamlObjectWriter.Logic_AssignProvidedValue(ObjectWriterContext ctx) at System.Xaml.XamlObjectWriter.WriteEndObject() at System.Xaml.XamlWriter.WriteNode(XamlReader reader) at System.Windows.FrameworkTemplate.LoadTemplateXaml(XamlReader templateReader, XamlObjectWriter currentWriter) Any help appreciated... Thanks John

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• parse results in MySQL via REGEX

  - by Derek Adair

  Hi, I'm a bit confused on the functionality of the REGEX support for MySQL and I have yet to find a solid example on how to separate a result with REGEX within an sql statement. Example: How could I pull data from a table emails that looks something like... +-------------------------+ |Emails | |-------------------------| |[email protected]| +-------------------------+ and return something through an sql statement that looks like... +------------------------------+ |Username | Domain | TLD | |-----------|------------|-----| |some.email | yourdomain | com | +------------------------------+

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• postgresql table for storing automation test results

  - by Martin

  I am building an automation test suite which is running on multiple machines, all reporting their status to a postgresql database. We will run a number of automated tests for which we will store the following information: test ID (a GUID) test name test description status (running, done, waiting to be run) progress (%) start time of test end time of test test result latest screenshot of the running test (updated every 30 seconds) The number of tests isn't huge (say a few thousands) and each machine (say, 50 of them) have a service which checks the database and figures out if it's time to start a new automated test on that machine. How should I organize my SQL table to store all the information? Is a single table with a column per attribute the way to go? If in the future I need to add attributes but want to keep compatibility with old database format (ie I may not want to delete and create a new table with more columns), how should I proceed? Should the new attributes just be in a different table? I'm also thinking of replicating the database. In case of failure, I don't mind if the latest screenshots aren't backed up on the slave database. Should I just store the screenshots in its own table to simplify the replication? Thanks!

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• NSScanner scanFloat returning unexpected results

  - by E-Madd

  I'm trying to build a UIColor from a comma-delimited list of values for RGB, which is "0.45,0.53,0.65", represented here by the colorConfig object... NSScanner *scanner = [NSScanner scannerWithString:colorConfig]; [scanner setCharactersToBeSkipped:[NSCharacterSet characterSetWithCharactersInString:@"\n, "]]; float red, green, blue; return [UIColor colorWithRed:[scanner scanFloat:&red] green:[scanner scanFloat:&green] blue:[scanner scanFloat:&blue] alpha:1]; But my color is always coming back as black. So I logged the values to my console and I'm seeing Red = -1.988804, Green = -1.988800, Blue = -1.988796 What am I doing wrong?

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• SQL query mixing aggregated results and single values

  - by Paul Flowerdew

  I have a table with transactions. Each transaction has a transaction ID, and accounting period (AP), and a posting value (PV), as well as other fields. Some of the IDs are duplicated, usually because the transaction was done in error. To give an example, part of the table might look like: ID PV AP 123 100 2 123 -100 5 In this case the transaction was added in AP2 then removed in AP5. Another example would be: ID PV AP 456 100 2 456 -100 5 456 100 8 In the first example, the problem is that if I am analyzing what was spent in AP2, there is a transaction in there which actually shouldn't be taken into account because it was taken out again in AP5. In the second example, the second two transactions shouldn't be taken into account because they cancel each other out. I want to label as many transactions as possible which shouldn't be taken into account as erroneous. To identify these transactions, I want to find the ones with duplicate IDs whose PVs sum to zero (like ID 123 above) or transactions where the PV of the earliest one is equal to sum(PV), as in the second example. This second condition is what is causing me grief. So far I have SELECT * FROM table WHERE table.ID IN (SELECT table.ID FROM table GROUP BY table.ID HAVING COUNT(*) > 1 AND (SUM(table.PV) = 0 OR SUM(table.PV) = <PV of first transaction in each group>)) ORDER BY table.ID; The bit in chevrons is what I'm trying to do and I'm stuck. Can I do it like this or is there some other method I can use in SQL to do this? Edit 1: Btw I forgot to say that I'm using SQL Compact 3.5, in case it matters. Edit 2: I think the code snippet above is a bit misleading. I still want to mark out transactions with duplicate IDs where sum(PV) = 0, as in the first example. But where the PV of the earliest transaction = sum(PV), as in the second example, what I actually want is to keep the earliest transaction and mark out all the others with the same ID. Sorry if that caused confusion. Edit 3: I've been playing with Clodoaldo's solution and have made some progress, but still can't get quite what I want. I'm trying to get the transactions I know for certain to be erroneous. Suppose the following transactions are also in the table: ID PV AP 789 100 2 789 200 5 789 -100 8 In this example sum(PV) < 0 and the earliest PV < sum(PV) so I don't want to mark any of these out. If I modify Clodoaldo's query as follows: select t.* from t left join ( select id, min(ap) as ap, sum(pv) as sum_pv from t group by id having sum(pv) <> 0 ) s on t.id = s.id and t.ap = s.ap and t.pv = s.sum_pv where s.id is null This gives the result ID PV AP 123 100 2 123 -100 5 456 -100 5 456 100 8 789 100 3 789 200 5 789 -100 8 Whilst the first 4 transactions are ok (they would be marked out), the 789 transactions are also there, and I don't want them. But I can't figure out how to modify the query so that they're not included. Any ideas?

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• MYSQL Merging 2 results into 1 table

  - by AlphaRomeo69

  Im building a c# program and am currently stuck at fetching data from MYSQL database and bind them to a grid view. I had been researching for a few days now but to no avail. I have 4 table in the database. table 1 - alpha table 2 - bravo table 3 - charlie table 4 - delta attributes of alpha (id, type, user, role ) attributes of bravo (id, type, date, user) attributes of charlie (id,type, cat, doneby, comment) atttibutes of delta (id,type, cat, doneby) * the pk of alpha and bravo is (id) * the pk of charlie and delta is (id, type) i did a query1 before by inner joinning alpha, bravo and charlie which leads to the sucessful result of (id, type, date, user, role, cat, doneby, comment) and i also did a query2 before by inner joinning alpha, bravo and delta which leads to the sucessful result of (id, type, date, user, role, cat, doneby) Right now, im trying to built a query3 which will merge the result from query1 and query2 together. the result of my attempts leads to (id, type, date, user, role, cat, doneby, comment,id, type, date, user, role, cat, doneby) As i do not want the repeated columns, I would like to seek advice on how to get the result to become like the one below by placing the records as a new tuple in the result table. (id, type, date, user, role, cat, doneby, comment) Thanks! P.S: the PK would not pose a problem due to (id, type)

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• conversion of a varchar to a smalldatetime results in an out-of-range value

  - by michael

  The code: strSql = "insert into table2 (transactiondate) values ('" & transactiondate & "')" seems to be giving me the runtime error: The conversion of a varchar data type to a smalldatetime data type resulted in an out-of-range value In the code, strSql is a String object and transactiondate is a Date object. In the SQL database however, transactiondate is a smalldatetime object. I've tried changing the smalldatetime to a datetime (in the database) and I've tried transactiondate.toString() but with no success. How can this be fixed? Note: I know about the dangers of inline SQL. I am looking for a quick fix solution here and not a discussion about SQL injection.

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• Repo command with no results

  - by Mayank

  Hello, I have installed repo and git on my PC. I am trying to get the latest Android source by using the following commands: repo init -u git://android.git.kernel.org/platform/manifest.git The command succeeds but I am not able to see .repo directory created. repo sync This command also succeeds and the program shows the details of objects being received. However I am not able to see anything downloaded to my PC. Any help will be appreciated.

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• Splitting an image in GWT results in unwanted white space

  - by rancidfishbreath

  I am using GWT 2.03 and am have an image that I want to place partially in an area with a background and partially above a background. I am using a FlexTable to try to accomplish this and have used GIMP to cut the image into two sections. I am trying to load the top part of the image into row 0 and the bottom part of the image into row 1. I set the alignment of the top image to ALIGN_BOTTOM but there is a bit of space at the bottom of cell and so the two parts of the picture don't touch. Here is an image showing what I am talking about. I set the background of the cell to be yellow show where the cell boundaries are. The bottom image and background are rendering correctly. Here is the relevant code snippet: FlexTable table = new FlexTable(); table.setCellSpacing(0); table.setCellPadding(0); table.setBorderWidth(0); FlexCellFormatter formatter = table.getFlexCellFormatter(); table.setWidget(0, 0, topImage); formatter.setStyleName(0, 0, "topImageStyle"); formatter.setVerticalAlignment(0, 0, HasVerticalAlignment.ALIGN_BOTTOM); table.setWidget(1, 0, bottomImage); formatter.setStyleName(1, 0, "bottomImageStyle"); How can I get rid of that space between my image and the cell boundary?

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• best practice for boolean REST results

  - by Andrew Patterson

  I have a resource /system/resource And I wish to ask the system a boolean question about the resource that can't be answered by processing on the client (i.e I can't just GET the resource and look through the actual resource data - it requires some processing on the backend using data not available to the client). eg /system/resource/related/otherresourcename I want this is either return true or false. Does anyone have any best practice examples for this type of interaction? Possibilities that come to my mind: use of HTTP status code, no returned body (smells wrong) return plain text string (True, False, 1, 0) - Not sure what string values are appropriate to use, and furthermore this seems to be ignoring the Accept media type and always returning plain text come up with a boolean object for each of my support media types and return the appropriate type (a JSON document with a single boolean result, an XML document with a single boolean field). However this seems unwieldy. I don't particularly want to get into a long discussion about the true meaning of a RESTful system etc - I have used the word REST in the title because it best expresses the general flavour of system I am designing (even if perhaps I am tending more towards RPC over the web rather than true REST). However, if someone has some thoughts on how a true RESTful system avoids this problem entirely I would be happy to hear them.

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• Beginner SQL question: arithmetic with multiple COUNT(*) results

  - by polygenelubricants

  Continuing with the spirit of using the Stack Exchange Data Explorer to learn SQL, (see: Can we become our own “Northwind” for teaching SQL / databases?), I've decided to try to write a query to answer a simple question (on meta): What % of stackoverflow users have over 10,000 rep?. Here's what I've done: Query#1 SELECT COUNT(*) FROM Users WHERE Users.Reputation >= 10000 Result: 556 Query#2 SELECT COUNT(*) FROM USERS Result: 227691 Now, how do I put them together into one query? What is this query idiom called? What do I need to write so I can get, say, a one-row three-column result like this: 556 227691 0,00244190592

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• Internet Explorer 8 Standards Mode Results In Broken Blank Page

  - by Agent_9191

  I'm running into a weird issue that I'm struggling to figure out what's causing the page to break. I have an internal website that's still under development (thus no link to the page) that works great in Firefox and Internet Explorer 8 in IE 7 Standards mode. But when I force it to IE 8 Standards mode the page will only display the title text in the browser tab and an otherwise completely blank page. It seems so broken that the blank page doesn't even have a context menu. The page generally looks like this: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta content="IE=8" http-equiv="X-UA-Compatible" /> <title>Page Title</title> <link rel="shortcut icon" href="/Images/favicon.ico" type="image/x-icon" /> <link href="/Style/main.less" rel="stylesheet" type="text/css" /> </head> <body> ... </body> </html> You may notice the .less extension for the stylesheet. This is an ASP.NET MVC application and I'm making use of DotLess. I have the HttpHandler hooked up for it in the web.config. Of course there's some additional info on the page, but (in theory) it shouldn't be causing this issue. I've run the CSS and the HTML through the W3C validators and both have come back as completely valid. I'm trying the arduous task of removing/re-adding elements until it displays, but any insight into what could cause this would help. EDIT: it appears to be something related to the DotLess stylesheet. The resulting CSS is valid according to the W3C CSS validator. EDIT 2: Digging further, and making use of IE's Developer Tools to control the styles, it appears that IE is reading a single statement twice even though it only occurs once in the output. Here's the output of the Less file: a, abbr, acronym, address, applet, b, big, caption, center, cite, code, dd, dfn, div, dl, dt, em, fieldset, font, form, html, i, iframe, img, kbd, label, legend, li, object, pre, s, samp, small, span, strike, strong, sub, sup, tbody, td, tfoot, th, thead, tr, tt, u, var { margin: 0; padding: 0; border: 0; outline: 0; font-size: 100%; vertical-align: baseline; background: transparent; } blockquote, q { margin: 0; padding: 0; border: 0; outline: 0; font-size: 100%; vertical-align: baseline; background: transparent; quotes: none; } body { margin: 0; padding: 0; border: 0; outline: 0; font-size: 100%; vertical-align: baseline; line-height: 1; width: 100%; background: #efebde; min-width: 600px; } del { margin: 0; padding: 0; border: 0; outline: 0; font-size: 100%; vertical-align: baseline; background: transparent; text-decoration: line-through; } h1 { border: 0; outline: 0; vertical-align: baseline; background: transparent; font-size: 2em; margin: .8em 0 .2em 0; padding: 0; } h2 { border: 0; outline: 0; vertical-align: baseline; background: transparent; font-size: 1.8em; margin: .8em 0 .2em 0; padding: 0; } h3 { border: 0; outline: 0; vertical-align: baseline; background: transparent; font-size: 1.6em; margin: .8em 0 .2em 0; padding: 0; } h4 { margin: 0; padding: 0; border: 0; outline: 0; vertical-align: baseline; background: transparent; font-size: 1.4em; } h5 { margin: 0; padding: 0; border: 0; outline: 0; vertical-align: baseline; background: transparent; font-size: 1.2em; } h6 { margin: 0; padding: 0; border: 0; outline: 0; vertical-align: baseline; background: transparent; font-size: 1em; } ins { margin: 0; padding: 0; border: 0; outline: 0; font-size: 100%; vertical-align: baseline; background: transparent; text-decoration: none; } ol, ul { margin: 0; padding: 0; border: 0; outline: 0; font-size: 100%; vertical-align: baseline; background: transparent; list-style: none; } p { border: 0; outline: 0; font-size: 100%; vertical-align: baseline; background: transparent; margin: .4em 0 .8em 0; padding: 0; } table { margin: 0; padding: 0; border: 0; outline: 0; font-size: 100%; vertical-align: baseline; background: transparent; border-collapse: collapse; border-spacing: 0; } blockquote:before, blockquote:after, q:before, q:after { content: none; } :focus { outline: 0; } .bold { font-weight: bold; } .systemFont { font-family: Arial; } .labelled { font-style: italic; } .groovedBorder { border-color: #adaa9c; border-style: groove; border-width: medium; } #header, #footer { clear: both; float: left; width: 100%; } #header p, #header h1, #header h2 { padding: .4em 15px 0 15px; margin: 0; } #header ul { clear: left; float: left; width: 100%; list-style: none; margin: 10px 0 0 0; padding: 0; } #header ul li { display: inline; list-style: none; margin: 0; padding: 0; } #header ul li a { background: #eeeeee; display: block; float: left; left: 15px; line-height: 1.3em; margin: 0 0 0 1px; padding: 3px 10px; position: relative; text-align: center; text-decoration: none; } #header ul li a span { display: block; } #header ul li a:hover { background: #336699; } #header ul li a.active, #header ul li a.active:hover { background: black; font-weight: bold; } #header #logindisplay { float: right; padding-top: .5em; padding-bottom: .5em; padding-right: 1em; padding-left: 1em; } #title h1 { font-family: Arial; font-style: italic; font-size: 175%; text-align: center; margin-top: 1%; } .col1 { font-family: Arial; border-color: #adaa9c; border-style: groove; border-width: medium; min-height: 350px; float: left; overflow: hidden; position: relative; padding-top: 0; padding-bottom: 1em; padding-left: 0; padding-right: 0; } .col1 div.logo { text-align: center; } .col3 { font-family: Arial; border-color: #adaa9c; border-style: groove; border-width: medium; float: left; overflow: hidden; position: relative; } #layoutdims { clear: both; background: #eeeeee; margin: 0; padding: 6px 15px !important; text-align: right; } #company { padding-left: 10px; padding-top: 10px; margin: 0; } #company span { display: block; padding-left: 1em; } #version { padding-right: 1em; padding-top: 1em; text-align: center; } #menu li { padding: 6px; border-color: #adaa9c; border-style: groove; border-width: medium; min-width: 108px; } #menu li a.ciApp { text-decoration: none; font-size: 112.5%; font-weight: bold; font-family: Arial; color: black; } #menu li a.ciApp span { vertical-align: top; } .welcomemessage { font-size: 60.95%; } .newFeatures { overflow-y: scroll; max-height: 300px; } #newsfeed div .newsLabel { color: red; font-size: 60.95%; font-style: italic; } /************************************************************************************** This statement appears twice in Developer Tools. Disabling one disables both. Disabling it also causes the page to render. Turning it on and the page disappears again **************************************************************************************/ #newsfeed div .newFeatures { margin-left: 1em; margin-right: 1em; font-size: 60.95%; } /************************************************************************************** **************************************************************************************/ .colmask { clear: both; float: left; position: relative; overflow: hidden; width: 100%; } .colright, .colmid, .colleft { float: left; position: relative; width: 100%; } .col2 { float: left; overflow: hidden; position: relative; padding-top: 0; padding-bottom: 1em; padding-left: 0; padding-right: 0; } .threecol .colmid { right: 33%; } .threecol .colleft { right: 34%; } .threecol .col1 { width: 33%; left: 100%; } .threecol .col2 { width: 32%; left: 34%; } .threecol .col3 { width: 32%; left: 68.5%; } Notice the #newsfeed div .newFeatures identifier near the end. I don't know what's causing that as it's only appearing once in the output stream. Here's an image of it too: EDIT 3: It appears that even though it duplicates that particular selector, if I change the font-size to a whole number like 61% instead of the current 60.95% (that specific to defaultly match the existing desktop app as closely as possible) it works fine. So something specific to IE duplicating that selector block and the font-size being a percentage specific to two decimal places appears to kill IE8 Standards mode completely.

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• Mapscript queryByPoint return no results

  - by lucian.jp

  I have a dynamically generated mapfile made with c# mapscript that is defined like: MAP EXTENT 5.91828 45.63552 5.92346 45.65051 IMAGECOLOR 192 192 192 IMAGETYPE png SIZE 256 256 STATUS ON TRANSPARENT TRUE UNITS METERS NAME "GMAP_TILE" OUTPUTFORMAT NAME "png" MIMETYPE "image/png" DRIVER "GD/PNG" EXTENSION "png" IMAGEMODE "PC256" TRANSPARENT TRUE END SYMBOL NAME "circle" TYPE ELLIPSE FILLED TRUE POINTS 1 1 END END SYMBOL NAME ">" TYPE TRUETYPE ANTIALIAS TRUE CHARACTER ">" GAP -20 FONT "arial" POSITION CC END PROJECTION "proj=merc" "a=6378137" "b=6378137" "lat_ts=0.0" "lon_0=0.0" "x_0=0.0" "y_0=0" "units=m" "k=1.0" "nadgrids=@null" END LEGEND IMAGECOLOR 255 255 255 KEYSIZE 20 10 KEYSPACING 5 5 LABEL SIZE MEDIUM TYPE BITMAP BUFFER 0 COLOR 0 0 0 FORCE FALSE MINDISTANCE -1 MINFEATURESIZE -1 OFFSET 0 0 PARTIALS TRUE END POSITION LL STATUS OFF END QUERYMAP COLOR 255 255 0 SIZE -1 -1 STATUS ON STYLE HILITE END SCALEBAR ALIGN CENTER COLOR 0 0 0 IMAGECOLOR 255 255 255 INTERVALS 4 LABEL SIZE MEDIUM TYPE BITMAP BUFFER 0 COLOR 0 0 0 FORCE FALSE MINDISTANCE -1 MINFEATURESIZE -1 OFFSET 0 0 PARTIALS TRUE END POSITION LL SIZE 200 3 STATUS OFF STYLE 0 UNITS MILES END WEB IMAGEPATH "" IMAGEURL "" QUERYFORMAT text/html LEGENDFORMAT text/html BROWSEFORMAT text/html END LAYER NAME "Troncons" PROJECTION "proj=longlat" "ellps=WGS84" "datum=WGS84" END STATUS DEFAULT TEMPLATE "nofile.html" TOLERANCE 100 TOLERANCEUNITS METERS TYPE LINE UNITS METERS CLASS NAME "Troncons" STYLE ANGLE 360 COLOR 0 0 255 SIZE 5 SYMBOL "circle" WIDTH 5 END STYLE ANGLE 360 COLOR 0 0 0 SIZE 12 SYMBOL ">" WIDTH 1 END END FEATURE POINTS 5.91828 45.63552 5.91876 45.63611 5.91898 45.6364 5.91936 45.63701 5.91952 45.63731 5.91968 45.63762 5.91993 45.63825 5.92003 45.63856 5.92018 45.63919 5.92028 45.63983 5.92031 45.64014 5.92033 45.64046 5.92034 45.64077 5.92034 45.64108 5.92034 45.64171 5.92035 45.64234 5.92035 45.6428 5.92037 45.6433 5.9204 45.64394 5.92046 45.64458 5.92056 45.64522 5.92062 45.64554 5.92069 45.64586 5.92077 45.64617 5.92097 45.64679 5.92122 45.64739 5.92136 45.64769 5.92169 45.64828 5.92207 45.64886 5.92228 45.64914 5.92272 45.64969 5.92321 45.65023 5.92346 45.65051 END END END END I try to queryByPoint to retreive the index of the shape clciked near. In the code below I made a specific test function with fixed point instead of points passed by parameter so I am sure the point I use is actually part of a feature. In my case I use the first point of the only feature contained in mapfile. public string GetTronconId() { //_map is my dynamically created mapObj if (_map != null) for (int i = 0; i < _map.numlayers; i++) { layerObj layer = _map.getLayer(i); // Code never pass this point if (layer.queryByPoint(_map, new pointObj(5.91898, 45.6364, 0, 0), (int) MS_QUERY_MODE.MS_QUERY_MULTIPLE, 100) == (int) MS_RETURN_VALUE.MS_SUCCESS) { int numresults = layer.getNumResults(); if (numresults != 0) { layer.open(); for (int j = 0; j < numresults; j++) { resultCacheMemberObj resultat = layer.getResult(j); shapeObj shape = null; if (layer.getShape(shape, resultat.tileindex, resultat.shapeindex) == (int) MS_RETURN_VALUE.MS_SUCCESS) return shape.getValue(0); } } } } return null; } I have a dummy TEMPLATE set, I do not eveen have to use the tolerance since the point is derectly in a shape, but the queryByPoint keep returning me MS_FAILURE. From my searches on the web everything seem to be OK. Any idea?

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• Use of clone() and appendTo() with draggable - unexpected results with dragging

  - by Matt Gutting

  I'm constructing a UI for a doctor scheduling app. We have several doctors, each of whom can go in one of several locations on a scheduled day (M - F). I have the main day/location grid (table) in the center of the screen. At the left is a table for the doctor names. On loading, each table cell contains a span (outlined) with the doctor name. The doctor name can go in one slot for each day. I didn't want to just put 5 copies of the doctor name, because the doctor might not be available all 5 days of the week. The idea was: Drag the span and drop into the calendar table. On the drag "start" event, clone the span and append it to the table cell. Now there is another span ready to be dropped into the calendar table. One line of code does the work: $(ui.helper).clone(true).prependTo(ui.helper.parent()); This works. But when I move the cloned span, the original one moves in sync - preserving the spatial relationships as I move the clone around (no doubt there's a "position:relative;left=XX;top=YY" inserted somewhere). I'm sure there's a way to do what I'm thinking of, while keeping the two spans independent. But I'm not thinking of one. Does anyone have an idea? Thanks! Matt I posted this identical question to the jQuery forum as well.

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• DateTime from Javascript post to Controller in ASP.NET results in null (01/01/0001)

  - by Geoffrey

  This is driving me crazy, similar to this. If I use a standard form and no javascript the controller correctly binds the datetime. However when I'm posting from a form it always binds as null: "MyObject.Name": "Test name", "MyObject.Date": "5/1/2001" I've tried a couple of variations, 5-1-2001, etc. but cannot seem to get it to take. I can confirm that it is being passed to the server as it shows up in the Request.Form string. My culture is Gregorian and I've set: Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture; In Application_BeginRequest(). What gives?

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• windows kernel mode IOCTL returns random results

  - by clyfe

  I use the following code to fetch PSTORAGE_HOTPLUG_INFO capabilities from disks via IOCTL in a minifilter driver, but the returning hotplugInfo structure has all the fields set to random nonzero values on subsequent executions. What am I doing wrong? RESULT: 00000014 0.00046322 IOCTL Volume Media Removable, 64 00000015 0.00046451 IOCTL Volume Media Hotplug 154 00000016 0.00046562 IOCTL Volume Device Hotplug 244 00000054 1020.44311523 IOCTL Volume Media Removable, 240 00000055 1020.44311523 IOCTL Volume Media Hotplug 102 00000056 1020.44311523 IOCTL Volume Device Hotplug 244 Sample code: //int SomeFunction(PFLT_VOLUME pFLTVolume) STORAGE_HOTPLUG_INFO storageHotplugInfo; KEVENT event; IO_STATUS_BLOCK ioStatus; PIRP pirp; PDEVICE_OBJECT deviceObject; PSTORAGE_HOTPLUG_INFO hotplugInfo; ASSERT(KeGetCurrentIrql() <= DISPATCH_LEVEL); status = FltGetDiskDeviceObject(pFLTVolume, &deviceObject); if(!NT_SUCCESS(status)){ DbgPrint("No Device for Volume\n"); return 0; } KeInitializeEvent(&event, NotificationEvent, FALSE); ASSERT(KeGetCurrentIrql() <= APC_LEVEL); pirp = IoBuildDeviceIoControlRequest( IOCTL_STORAGE_GET_HOTPLUG_INFO, deviceObject, NULL, 0, &storageHotplugInfo, sizeof(STORAGE_HOTPLUG_INFO), FALSE, &event, &ioStatus ); if(!pirp){ return 0; } ASSERT(KeGetCurrentIrql() <= DISPATCH_LEVEL); status = IoCallDriver(deviceObject, pirp); if (status == STATUS_PENDING) { status = KeWaitForSingleObject( &event, Executive, KernelMode, FALSE, NULL); } else { ioStatus.Status = status; } status = ioStatus.Status; hotplugInfo = (PSTORAGE_HOTPLUG_INFO) &pirp->AssociatedIrp.SystemBuffer; if(hotplugInfo->MediaRemovable){ DbgPrint("IOCTL Volume Media Removable, %d\n", hotplugInfo->MediaRemovable); } if(hotplugInfo->MediaHotplug){ DbgPrint("IOCTL Volume Media Hotplug %d\n", hotplugInfo->MediaHotplug); } if(hotplugInfo->DeviceHotplug){ DbgPrint("IOCTL Volume Device Hotplug %d\n", hotplugInfo->DeviceHotplug); } ObDereferenceObject(deviceObject);

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• Query Results Not Expected

  - by E-Madd

  I've been a CF developer for 15 years and I've never run into anything this strange or frustrating. I've pulled my hair out for hours, googled, abstracted, simplified, prayed and done it all in reverse. Can you help me? A cffunction takes one string argument and from that string I build an array of "phrases" to run a query with, attempting to match a location name in my database. For example, the string "the republic of boulder" would produce the array: ["the","republic","of","boulder","the republic","the republic of","the republic of boulder","republic of","republic of boulder","of boulder"]. Another cffunction uses the aforementioned cffunction and runs a cfquery. A query based on the previously given example would be... select locationid, locationname, locationaliasname from vwLocationsWithAlias where LocationName in ('the','the republic','the republic of','republic','republic of','republic of boulder','of','of boulder','boulder') or LocationAliasName in ('the','the republic','the republic of','republic','republic of','republic of boulder','of','of boulder','boulder') This returns 2 records... locationid - locationname - locationalias 99 - 'Boulder' - 'the republic' 68 - 'Boulder' - NULL This is good. Works fine and dandy. HOWEVER... if the string is changed to "the republic", resulting in the phrases array ["the","republic","the republic"] which is then used to produce the query... select locationid, locationname, locationaliasname from vwLocationsWithAlias where LocationName in ('the','the republic','republic') or LocationAliasName in ('the','the republic','republic') This returns 0 records. Say what?! OK, just to make sure I'm not involuntarily HIGH I run that very same query in my SQL console against the same database in the cf datasource. 1 RECORD! locationid - locationname - locationalias 99 - 'Boulder' - 'the republic' I can even hard-code that sql within the same cffunction and get that one result, but never from the dynamically generated SQL. I can get my location phrases from another cffunction of a different name that returns hard-coded array values and those work, but never if the array is dynamically built. I've tried removing cfqueryparams, triple-checking my datatypes, datasource setups, etc., etc., etc. NO DICE WTF!? Is this an obscure bug? Am I losing my mind? I've tried everything I can think of and others (including Ray Camden) can think of. ColdFusion 8 (with all the latest hotfixes) SQL Server 2005 (with all the greatest service packs) Windows 2003 Server (with all the latest updates, service packs and nightly MS voodoo)

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• Binding Linq To Entities query results to a datagridview

  - by Nickson

  I just started playing with Linq to entities in a windows forms application and am not understanding one behavior that looks so simple though. If i type code below, i get ReadOnly records in my dataGridView Dim x = From n in Table1 _ Select n.FirstName, n.LastName, N.Department DataGridView1.DataSource = x But if i type the following code, i get editable rows in my dataGridView Dim x = From n in Table1 _ Select n DataGridView1.DataSource = x So, basically if i specify the column names to select and databind to my DataGridView1, the rows are readonly but if i do not specify the column names and databind to the DataGridView, the rows are editable and i don't understand why.

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• Mysql - Help me alter this search query to get desired results

  - by sandeepan-nath

  Following is a dump of the tables and data needed to answer understand the system:- The system consists of tutors and classes. The data in the table All_Tag_Relations stores tag relations for each tutor registered and each class created by a tutor. The tag relations are used for searching classes. CREATE TABLE IF NOT EXISTS `Tags` ( `id_tag` int(10) unsigned NOT NULL auto_increment, `tag` varchar(255) default NULL, PRIMARY KEY (`id_tag`), UNIQUE KEY `tag` (`tag`), KEY `id_tag` (`id_tag`), KEY `tag_2` (`tag`), KEY `tag_3` (`tag`), KEY `tag_4` (`tag`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1; INSERT INTO `Tags` (`id_tag`, `tag`) VALUES (1, 'Sandeepan'), (2, 'Nath'), (3, 'first'), (4, 'class'), (5, 'new'), (6, 'Bob'), (7, 'Cratchit'); CREATE TABLE IF NOT EXISTS `All_Tag_Relations` ( `id_tag` int(10) unsigned NOT NULL default '0', `id_tutor` int(10) default NULL, `id_wc` int(10) unsigned default NULL, KEY `All_Tag_Relations_FKIndex1` (`id_tag`), KEY `id_wc` (`id_wc`), KEY `id_tag` (`id_tag`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1; INSERT INTO `All_Tag_Relations` (`id_tag`, `id_tutor`, `id_wc`) VALUES (1, 1, NULL), (2, 1, NULL), (3, 1, 1), (4, 1, 1), (6, 2, NULL), (7, 2, NULL), (5, 2, 2), (4, 2, 2); Following is my query:- This query searches for "first class" (tag for first = 3 and for class = 4, in Tags table) and returns all those classes such that both the terms first and class are present in the class name. SELECT wtagrels.id_wc,SUM(DISTINCT( wtagrels.id_tag =3)) AS key_1_total_matches, SUM(DISTINCT( wtagrels.id_tag =4)) AS key_2_total_matches FROM all_tag_relations AS wtagrels WHERE ( wtagrels.id_tag =3 OR wtagrels.id_tag =4 ) GROUP BY wtagrels.id_wc HAVING key_1_total_matches = 1 AND key_2_total_matches = 1 LIMIT 0, 20 And it returns the class with id_wc = 1. But, I want the search to show all those classes such that all the search terms are present in the class name or its tutor name So that searching "Sandeepan class" (wtagrels.id_tag = 1,4) or "Sandeepan Nath" also returns the class with id_wc=1. And Searching. Searching "Bob First" should not return any classes. Please modify the above query or suggest a new query, if possible using MyIsam - fulltext search, but somehow help me get the result.

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• Mysqli results memory usage

  - by Poe

  Why is the memory consumption in this query continuing to rise as the internal pointer progresses through loop? How to make this more efficient and lean? $link = mysqli_connect(...); $result = mysqli_query($link,$query); // 403,268 rows in result set while ($row = mysqli_fetch_row($result)) { // print time, (get memory usage), -- row number } mysqli_free_result(); mysqli_close($link); /* 06:55:25 (1240336) -- Run query 06:55:26 (39958736) -- Query finished 06:55:26 (39958784) -- Begin loop 06:55:26 (39960688) -- Row 0 06:55:26 (45240712) -- Row 10000 06:55:26 (50520712) -- Row 20000 06:55:26 (55800712) -- Row 30000 06:55:26 (61080712) -- Row 40000 06:55:26 (66360712) -- Row 50000 06:55:26 (71640712) -- Row 60000 06:55:26 (76920712) -- Row 70000 06:55:26 (82200712) -- Row 80000 06:55:26 (87480712) -- Row 90000 06:55:26 (92760712) -- Row 100000 06:55:26 (98040712) -- Row 110000 06:55:26 (103320712) -- Row 120000 06:55:26 (108600712) -- Row 130000 06:55:26 (113880712) -- Row 140000 06:55:26 (119160712) -- Row 150000 06:55:26 (124440712) -- Row 160000 06:55:26 (129720712) -- Row 170000 06:55:27 (135000712) -- Row 180000 06:55:27 (140280712) -- Row 190000 06:55:27 (145560712) -- Row 200000 06:55:27 (150840712) -- Row 210000 06:55:27 (156120712) -- Row 220000 06:55:27 (161400712) -- Row 230000 06:55:27 (166680712) -- Row 240000 06:55:27 (171960712) -- Row 250000 06:55:27 (177240712) -- Row 260000 06:55:27 (182520712) -- Row 270000 06:55:27 (187800712) -- Row 280000 06:55:27 (193080712) -- Row 290000 06:55:27 (198360712) -- Row 300000 06:55:27 (203640712) -- Row 310000 06:55:27 (208920712) -- Row 320000 06:55:27 (214200712) -- Row 330000 06:55:27 (219480712) -- Row 340000 06:55:27 (224760712) -- Row 350000 06:55:27 (230040712) -- Row 360000 06:55:27 (235320712) -- Row 370000 06:55:27 (240600712) -- Row 380000 06:55:27 (245880712) -- Row 390000 06:55:27 (251160712) -- Row 400000 06:55:27 (252884360) -- End loop 06:55:27 (1241264) -- Free */

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• handling filename* parameters with spaces via RFC 5987 results in '+' in filenames

  - by Peter Friend

  I have some legacy code I am dealing with (so no I can't just use a URL with an encoded filename component) that allows a user to download a file from our website. Since our filenames are often in many different languages they are all stored as UTF-8. I wrote some code to handle the RFC5987 conversion to a proper filename* parameter. This works great until I have a filename with non-ascii characters and spaces. Per RFC, the space character is not part of attr_char so it gets encoded as %20. I have new versions of Chrome as well as Firefox and they are all converting to %20 to + on download. I have tried not encoding the space and putting the encoded filename in quotes and get the same result. I have sniffed the response coming from the server to verify that the servlet container wasn't mucking with my headers and they look correct to me. The RFC even has examples that contain %20. Am I missing something, or do all of these browsers have a bug related to this? Many thanks in advance. The code I use to encode the filename is below. Peter public static boolean bcsrch(final char[] chars, final char c) { final int len = chars.length; int base = 0; int last = len - 1; /* Last element in table */ int p; while (last >= base) { p = base + ((last - base) >> 1); if (c == chars[p]) return true; /* Key found */ else if (c < chars[p]) last = p - 1; else base = p + 1; } return false; /* Key not found */ } public static String rfc5987_encode(final String s) { final int len = s.length(); final StringBuilder sb = new StringBuilder(len << 1); final char[] digits = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'}; final char[] attr_char = {'!','#','$','&','\'','+','-','.','0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','^','_','a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z','|', '~'}; for (int i = 0; i < len; ++i) { final char c = s.charAt(i); if (bcsrch(attr_char, c)) sb.append(c); else { final char[] encoded = {'%', 0, 0}; encoded[1] = digits[0x0f & (c >>> 4)]; encoded[2] = digits[c & 0x0f]; sb.append(encoded); } } return sb.toString(); } Update Here is a screen shot of the download dialog I get for a file with Chinese characters with spaces as mentioned in my comment.

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• Google Toolbox For Mac with Core Data on iPhone results in error

  - by JaanusSiim

  I have set up my project for using Google Toolbox for Mac as described on official wiki. And everything is working as expected. For core data usage I have created a 'database' class that uses for final application SQLite storage (this is done based on Xcode template code). For unit tests I have created separate init method for 'database' to use in memory storage (storage url is [NSURL URLWithString:@"memory://store"] and type NSInMemoryStoreType). Without adding my model file (*.xcdatamodel) to unit tests target, test fail in expected place with message: executeFetchRequest:error: A fetch request must have an entity. If I add model file to the test target, then test is executed as expected (core data part looks OK), but after tests execution I get: RunIPhoneUnitTest.sh: line 123: 9487 Segmentation fault "$TARGET_BUILD_DIR/$EXECUTABLE_PATH" -RegisterForSystemEvents Command /bin/sh failed with exit code 139 This problem does not looks directly related to core data, but only happens if model file is added to target. Any pointers on resolving this issue would be appreciated!

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• AJAX jQuery click results in function event being fired twice

  - by pmagunia

  I have an AJAX chat room module in Drupal and I am trying to insert BBCode stlye tex tags to the submit box when the user clicks Insert Tex. I managed to get the following code to work the first time but afterwards when I click Insert Tex it inserts the tex tags triple times. $('#edit-chatroom-message-entry-submit').click(function (e) { e.preventDefault(); e.stopPropagation(); if ($('#edit-chatroom-message-entry-box').val()){ Drupal.chatroom.postMessage($('#edit-chatroom-message-entry-box').val()); $('#edit-chatroom-message-entry-box').val('').focus(); } }); $('#edit-chatroom-tex-submit').click(function (e) { e.preventDefault(); e.stopPropagation(); $('#edit-chatroom-message-entry-box').val($('#edit-chatroom-message-entry-box').val() + '[tex][/tex]'); }); I would appreciate it if a suggestion could be make to make the code work properly.

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• SqlCe odd results why? -- Same SQL, different results in different apps. Issue with

  - by NitroxDM

  When I run this SQl in my mobile app I get zero rows. select * from inventory WHERE [ITEMNUM] LIKE 'PUMP%' AND [LOCATION] = 'GARAGE' When I run the same SQL in Query Analyzer 3.5 using the same database I get my expected one row. Why the difference? Here is the code I'm using in the mobile app: SqlCeCommand cmd = new SqlCeCommand(Query); cmd.Connection = new SqlCeConnection("Data Source="+filePath+";Persist Security Info=False;"); DataTable tmpTable = new DataTable(); cmd.Connection.Open(); SqlCeDataReader tmpRdr = cmd.ExecuteReader(); if (tmpRdr.Read()) tmpTable.Load(tmpRdr); tmpRdr.Close(); cmd.Connection.Close(); return tmpTable; UPDATE: For the sake of trying I used the code found in one of the answers found here and it works as expected. So my code looks like this: SqlCeConnection conn = new SqlCeConnection("Data Source=" + filePath + ";Persist Security Info=False;"); DataTable tmpTable = new DataTable(); SqlCeDataAdapter AD = new SqlCeDataAdapter(Query, conn); AD.Fill(tmpTable); The issue appears to be with the SqlCeDataReader. Hope this helps someone else out!

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• Consistent Equals() results, but inconsistent TreeMap.containsKey() result

  - by smessing

  I have the following object Node: private class Node implements Comparable<Node>(){ private String guid(); ... public boolean equals(Node o){ return (this == o); } public int hashCode(){ return guid.hashCode(); } ... } And I use it in the following TreeMap: TreeMap<Node, TreeSet<Edge>> nodes = new TreeMap<Node, TreeSet<Edge>>(); Now, the tree map is used in a class called Graph to store nodes currently in the graph, along with a set of their edges (from the class Edge). My problem is when I try to execute: public containsNode(n){ for (Node x : nodes.keySet()) { System.out.println("HASH CODE: "); System.out.print(x.hashCode() == n.hashCode()); System.out.println("EQUALS: "); System.out.print(x.equals(n)); System.out.println("CONTAINS: "); System.out.print(nodes.containsKey(n)); System.out.println("N: " + n); System.out.println("X: " + x); } } I sometimes get the following: HASHCODE: true EQUALS: true CONTAINS: false N: foo X: foo Anyone have an idea as to what I'm doing wrong? I'm still new to all this, so I apologize in advance if I'm overlooking something simple (I know hashCode() doesn't really matter for TreeMap, but I figured I'd include it).

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