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• How to add an image to an SSRS report with a dynamic url?

  - by jrummell

  I'm trying to add an image to a report. The image src url is an IHttpHandler that takes a few query string parameters. Here's an example: <img src="Image.ashx?item=1234567890&lot=asdf&width=50" alt=""/> I added an Image to a cell and then set Source to External and Value to the following expression: ="Image.ashx?item="+Fields!ItemID.Value+"&lot="+Fields!LotID.Value+"&width=50" But when I view the report, it renders the image html as: <IMG SRC="" /> What am I missing? Update Even if I set Value to "image.jpg" it still renders an empty src attribute. I'm not sure if it makes a difference, but I'm using this with a VS 2008 ReportViewer control in Remote processing mode. Update I was able to get the images to display in the Report Designer (VS 2005) with an absolute path (http://server/path/to/http/handler). But they didn't display on the Report Manager website. I even set up an Unattended Execution Account that has access to the external URLs.

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• Wrapping FUSE from Go

  - by Matt Joiner

  I'm playing around with wrapping FUSE with Go. However I've come stuck with how to deal with struct fuse_operations. I can't seem to expose the operations struct by declaring type Operations C.struct_fuse_operations as the members are lower case, and my pure-Go sources would have to use C-hackery to set the members anyway. My first error in this case is "can't set getattr" in what looks to be the Go equivalent of a default copy constructor. My next attempt is to expose an interface that expects GetAttr, ReadLink etc, and then generate C.struct_fuse_operations and bind the function pointers to closures that call the given interface. This is what I've got (explanation continues after code): package fuse // #include <fuse.h> // #include <stdlib.h> import "C" import ( //"fmt" "os" "unsafe" ) type Operations interface { GetAttr(string, *os.FileInfo) int } func Main(args []string, ops Operations) int { argv := make([]*C.char, len(args) + 1) for i, s := range args { p := C.CString(s) defer C.free(unsafe.Pointer(p)) argv[i] = p } cop := new(C.struct_fuse_operations) cop.getattr = func(*C.char, *C.struct_stat) int {} argc := C.int(len(args)) return int(C.fuse_main_real(argc, &argv[0], cop, C.size_t(unsafe.Sizeof(cop)), nil)) } package main import ( "fmt" "fuse" "os" ) type CpfsOps struct { a int } func (me *CpfsOps) GetAttr(string, *os.FileInfo) int { return -1; } func main() { fmt.Println(os.Args) ops := &CpfsOps{} fmt.Println("fuse main returned", fuse.Main(os.Args, ops)) } This gives the following error: fuse.go:21[fuse.cgo1.go:23]: cannot use func literal (type func(*_Ctype_char, *_Ctype_struct_stat) int) as type *[0]uint8 in assignment I'm not sure what to pass to these members of C.struct_fuse_operations, and I've seen mention in a few places it's not possible to call from C back into Go code. If it is possible, what should I do? How can I provide the "default" values for interface functions that acts as though the corresponding C.struct_fuse_operations member is set to NULL?

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• How can I display a language according to the user's browser's language inside this code?

  - by janoChen

  How can I display a language according to the user's browser's language inside this mini-framework for my multilingual website? Basically, it has to display the default language of the user if there's no cookies. Example of index.php: (rendered output) <h2><?php echo l('tagline_h2'); ?></h2> common.php: (controller of which language to output) <?php session_start(); header('Cache-control: private'); // IE 6 FIX if(isSet($_GET['lang'])) { $lang = $_GET['lang']; // register the session and set the cookie $_SESSION['lang'] = $lang; setcookie("lang", $lang, time() + (3600 * 24 * 30)); } else if(isSet($_SESSION['lang'])) { $lang = $_SESSION['lang']; } else if(isSet($_COOKIE['lang'])) { $lang = $_COOKIE['lang']; } else { $lang = 'en'; } //use appropiate lang.xx.php file according to the value of the $lang switch ($lang) { case 'en': $lang_file = 'lang.en.php'; break; case 'es': $lang_file = 'lang.es.php'; break; case 'tw': $lang_file = 'lang.tw.php'; break; case 'cn': $lang_file = 'lang.cn.php'; break; default: $lang_file = 'lang.en.php'; } //translation helper function function l($translation) { global $lang; return $lang[$translation]; } include_once 'languages/'.$lang_file; ?> Example of /languages/lang.en.php: (where multilingual content is being stored) <?php $lang = array( 'tagline_h2' => '...',

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• How do I Unit Test Actions without Mocking that use UpdateModel?

  - by Hellfire

  I have been working my way through Scott Guthrie's excellent post on ASP.NET MVC Beta 1. In it he shows the improvements made to the UpdateModel method and how they improve unit testing. I have recreated a similar project however anytime I run a UnitTest that contains a call to UpdateModel I receive an ArgumentNullException naming the controllerContext parameter. Here's the relevant bits, starting with my model: public class Country { public Int32 ID { get; set; } public String Name { get; set; } public String Iso3166 { get; set; } } The controller action: [AcceptVerbs(HttpVerbs.Post)] public ActionResult Edit(Int32 id, FormCollection form) { using ( ModelBindingDataContext db = new ModelBindingDataContext() ) { Country country = db.Countries.Where(c => c.CountryID == id).SingleOrDefault(); try { UpdateModel(country, form); db.SubmitChanges(); return RedirectToAction("Index"); } catch { return View(country); } } } And finally my unit test that's failing: [TestMethod] public void Edit() { CountryController controller = new CountryController(); FormCollection form = new FormCollection(); form.Add("Name", "Canada"); form.Add("Iso3166", "CA"); var result = controller.Edit(2 /*Canada*/, form) as RedirectToRouteResult; Assert.IsNotNull(result, "Expected to be redirected on successful POST."); Assert.AreEqual("Show", result.RouteName, "Expected to redirect to the View action."); } ArgumentNullException is thrown by the call to UpdateModel with the message "Value cannot be null. Parameter name: controllerContext". I'm assuming that somewhere the UpdateModel requires the System.Web.Mvc.ControllerContext which isn't present during execution of the test. I'm also assuming that I'm doing something wrong somewhere and just need to pointed in the right direction. Help Please!

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• How to protect/monitor your site from crawling by malicious user

  - by deathy

  Situation: Site with content protected by username/password (not all controlled since they can be trial/test users) a normal search engine can't get at it because of username/password restrictions a malicious user can still login and pass the session cookie to a "wget -r" or something else. The question would be what is the best solution to monitor such activity and respond to it (considering the site policy is no-crawling/scraping allowed) I can think of some options: Set up some traffic monitoring solution to limit the number of requests for a given user/IP. Related to the first point: Automatically block some user-agents (Evil :)) Set up a hidden link that when accessed logs out the user and disables his account. (Presumably this would not be accessed by a normal user since he wouldn't see it to click it, but a bot will crawl all links.) For point 1. do you know of a good already-implemented solution? Any experiences with it? One problem would be that some false positives might show up for very active but human users. For point 3: do you think this is really evil? Or do you see any possible problems with it? Also accepting other suggestions.

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• Grails 1.2.0 not finding plugins in the default repository.

  - by Padraic

  I do not know what changed in my environment, but all of a sudden I can not pull any plugins from the default repository. I went through the _*.groovy scripts and nothing has changed in my grails home directory and it appears that the default repository url is set correctly (DEFAULT_PLUGIN_DIST = "http://plugins.grails.org"). I am assuming it is an environment setting that changed on me, because if I switch to an old version of grails that I have installed, 1.1.1 for example, list-plugins is returning a full list of plugins. When I run grails list-plugins in my current 1.2.0 environment I get the following output: Welcome to Grails 1.2.0 - http://grails.org/ Licensed under Apache Standard License 2.0 Grails home is set to: /opt/grails-1.2.0 Base Directory: /Users/padraic/Projects/TestApplicationMachine Resolving dependencies... Dependencies resolved in 1633ms. Running script /opt/grails-1.2.0/scripts/ListPlugins_.groovy Environment set to development Reading remote plugin list ... Plug-ins available in the core repository are listed below: hibernate <1.3.0.RC2 -- Hibernate for Grails tomcat <1.3.0.RC2 -- Apache Tomcat plugin for Grails webflow <1.3.0.RC2 -- Spring Web Flow Plugin Reading remote plugin list ... Plug-ins available in the default repository are listed below: spock <0.4-groovy-1.7-SNAPSHOT -- Spock Integration - spockframework.org Plug-ins you currently have installed are listed below: cloud-foundry 0.2 -- Cloud Foundry Plugin for Grails hibernate 1.2.0 -- Hibernate for Grails tomcat 1.2.0 -- Apache Tomcat plugin for Grails I find it very strange that it only finds the spock plugin. It makes me thing that either a)it is going to the wrong repository or b)my version setting is incorrect. Any ideas? Thanks, Padraic

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• Setting Parameters from another Parameter In SSRS

  - by Mike

  I was able to get this working is SSRS 2008, but do to the fact that my company only has 2005 servers I need to downgrade the report to 2005. The idea is for a given person name there are two key fields EntityType and EntityId So I have a parameter from a dataset where the Label is the Name and the value is EntityType_EntityId I use the split function to take the left and right sides of from _ In 2008, I set the query parameters of the dataset to the split function and it works In 2005, I set the Default Value of each Report Parameters Now when I run the report and put textboxes showing the value of the parameters, the values are shown correctly but the query does not run. I am guessing that this is a lifecycle issue being Get Name Parameter Run Report THEN Set Parameters = Split of Name But the problem with that is the second time I run the report I should get result and I do not. Does anyone know what I am doing wrong. I guess I can pass in the underscore delimted string to the stored procedure and parse it there, but my question is can this be done in the report? Reason being other callers will pass in the parameters as two seperate values.

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• TCL TDom: Looping through Objects

  - by pws5068

  Using TDom, I would like to cycle through a list of objects in the following format: <object> <type>Hardware</type> <name>System Name</name> <description>Basic Description of System.</description> <attributes> <vendor>Dell</vendor> <contract>MM/DD/YY</contract> <supportExpiration>MM/DD/YY</supportExpiration> <location>Building 123</location> <serial>xxx-xxx-xxxx</serial> <mac>some-mac-address</mac> </attributes> </object> <object> <type>Software</type> <name>Second Object</name> ... Then I use TDom to make a list of objects: set dom [dom parse $xml] set doc [$dom documentElement] set nodeList [$doc selectNodes /systems/object] So far I've done this to (theoretically) select every "Object" node from the list. How can I loop through them? Is it just: foreach node $nodeList { For each object, I need to retrieve the association of each attribute. From the example, I need to remember that the "name" is "System Name", "vendor" is "Dell", etc. I'm new to TCL but in other languages I would use an object or an associative list to store these. Is this possible? Can you show me an example of the syntax to select an attribute in this manner?

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• I am using following PHP code for trigger creation but always get error, please help me to resolve i

  - by Parth

  I am using following PHP code for trigger creation but always get error, please help me to resolve it. $link = mysql_connect('localhost','root','rainserver'); mysql_select_db('information_schema'); echo $trgquery = "DELIMITER $$ DROP TRIGGER `update_data` $$ CREATE TRIGGER `update_data` AFTER UPDATE on `jos_menu` FOR EACH ROW BEGIN IF (NEW.menutype != OLD.menutype) THEN INSERT INTO jos_menuaudit set menuid=OLD.id, oldvalue = OLD.menutype, newvalue = NEW.menutype, field = 'menutype'; END IF; IF (NEW.name != OLD.name) THEN INSERT INTO jos_menuaudit set menuid=OLD.id, oldvalue = OLD.name, newvalue = NEW.name, field = 'name'; END IF; IF (NEW.alias != OLD.alias) THEN INSERT INTO jos_menuaudit set menuid=OLD.id, oldvalue = OLD.alias, newvalue = NEW.alias, field = 'alias'; END IF; END$$ DELIMITER ;"; echo "<br>"; //$trig = mysqli_query($link,$trgquery) or die("Error Exist".mysqli_error($link)); $trig = mysql_query($trgquery) or die("Error Exist".mysql_error()); I get the error as: Error ExistYou have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '$$ DROP TRIGGER `update_data` $$ CREATE TRIGGER `update_data` AFTER UPDATE on `j' at line 1 PLease help me to create my trigger...

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• i want the ruby code of the php code i have given inside , please help me out

  - by Arpit Vaishnav

  <?php // amcharts.com export to image utility // set image type (gif/png/jpeg) $imgtype = 'jpeg'; // set image quality (from 0 to 100, not applicable to gif) $imgquality = 100; // get data from $_POST or $_GET ? $data = &$_POST; // get image dimensions $width = (int) $data['width']; $height = (int) $data['height']; // create image object $img = imagecreatetruecolor($width, $height); // populate image with pixels for ($y = 0; $y < $height; $y++) { // innitialize $x = 0; // get row data $row = explode(',', $data['r'.$y]); // place row pixels $cnt = sizeof($row); for ($r = 0; $r < $cnt; $r++) { // get pixel(s) data $pixel = explode(':', $row[$r]); // get color $pixel[0] = str_pad($pixel[0], 6, '0', STR_PAD_LEFT); $cr = hexdec(substr($pixel[0], 0, 2)); $cg = hexdec(substr($pixel[0], 2, 2)); $cb = hexdec(substr($pixel[0], 4, 2)); // allocate color $color = imagecolorallocate($img, $cr, $cg, $cb); // place repeating pixels $repeat = isset($pixel[1]) ? (int) $pixel[1] : 1; for ($c = 0; $c < $repeat; $c++) { // place pixel imagesetpixel($img, $x, $y, $color); // iterate column $x++; } } } // set proper content type header('Content-type: image/'.$imgtype); header('Content-Disposition: attachment; filename="chart.'.$imgtype.'"'); // stream image $function = 'image'.$imgtype; if ($imgtype == 'gif') { $function($img); } else { $function($img, null, $imgquality); } // destroy imagedestroy($img); ?

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• Object created in Interface Builder getting dealloc'ed too soon

  - by Collin Allen

  The Project I'm working on a relatively simple iPhone OS project that's navigation controller based, with a root table view and a detail table view. Tap an item in the main list to see its details in a pushed table view. The Setup I broke out the data source for both views into their own objects so as not to muddy the purpose of a view controller. Having done this, the table views no longer have data sources since those methods are now in separate files, so I created an instance of each data source class in the appropriate XIB files with the Object item (dragged it in, then set its class). Then, to actually connect the tableviews to their data sources, I set the dataSource outlet of each tableview to the yellow data source object in Interface Builder. The table view delegates are still set to their view controllers. The Problem The root table view works just fine, but when you tap a row to push to the detail view, the data source object gets instantiated as expected, then immediately dealloc'ed, causing a crash (numberOfSectionsInTableView: gets called on the freed object). I can't figure out why the data source is getting automatically dealloc-ed when I need it right then and there for the detail view, as indicated by my data source object creation and tableview connection in Interface Builder. What's more perplexing is that the very approach works fine for the root tableview! The Question Is there anything obvious I'm missing that would cause this to happen? Or, is this even the right way to instantiate a data source for a table view controller? It seems like poor object oriented programming to do it from within the view controller, which should only be concerned with the view. I could cram everything in two table view controller classes and it would probably work, but it would not be as modular as I'd like. Thanks!

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• Overlaying 2D paths on UIImage without scaling artifacts

  - by tat0

  I need to draw a path along the shape of an image in a way that it is always matching its position on the image independent of the image scale. Think of this like the hybrid view of Google Maps where streets names and roads are superimposed on top of the aerial pictures. Furthermore, this path will be drawn by the user's finger movements and I need to be able to retrieve the path keypoints on the image pixel coordinates. The user zooms-in in order to more precisely set the paths location. I manage to somehow make it work using this approach: -Create a custom UIView called CanvasView that handles touches interaction and delivers scaling, rotation, translation values to either the UIImageView or PathsView (see bellow) depending on a flag: deliverToImageOrPaths. -Create a UIImageView holding the base image. This is set as a children of CanvasView -Create a custom UIView called PathsView that keeps track of the 2D paths geometry and draws itself with a custom drawRect. This is set as children of the UIImageView. So hierarchy: CanvasView - UIImageView -PathsView In this way when deliverToImageOrPaths is YES, finger gestures transforms both the UIImageView and its child PathsView. When deliverToImageOrPaths is NO the gestures affect only the PathsView altering its geometry. So far so good. QUESTION: The problem I have is that when scaling the base UIImageView (via its .transform property) the PathsView is scaled with aliasing artifacts. drawRect is still being called on the PathsView but I guess it's performing the drawing using the original buffer size and then interpolating. How can I solve this issue? Are there better ways to implement these features? PS: I tried changing the PathsView layer class to CATiledLayer with levelsOfDetailBias 4 and levelsOfDetail 4. It solves the aliasing problem to some extent but it's unacceptable slow to render.

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• Conditions with common logic: question of style, readability, efficiency, ...

  - by cdonner

  I have conditional logic that requires pre-processing that is common to each of the conditions (instantiating objects, database lookups etc). I can think of 3 possible ways to do this, but each has a flaw: Option 1 if A prepare processing do A logic else if B prepare processing do B logic else if C prepare processing do C logic // else do nothing end The flaw with option 1 is that the expensive code is redundant. Option 2 prepare processing // not necessary unless A, B, or C if A do A logic else if B do B logic else if C do C logic // else do nothing end The flaw with option 2 is that the expensive code runs even when neither A, B or C is true Option 3 if (A, B, or C) prepare processing end if A do A logic else if B do B logic else if C do C logic end The flaw with option 3 is that the conditions for A, B, C are being evaluated twice. The evaluation is also costly. Now that I think about it, there is a variant of option 3 that I call option 4: Option 4 if (A, B, or C) prepare processing if A set D else if B set E else if C set F end end if D do A logic else if E do B logic else if F do C logic end While this does address the costly evaluations of A, B, and C, it makes the whole thing more ugly and I don't like it. How would you rank the options, and are there any others that I am not seeing?

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• Android - Linear Layout arrangement, not positioning as expected

  - by Arun

  The following is my code. I want an interface where I have a single line textbox, a multiline textbox with 2 buttons below. I want the multiline textbox to occupy all the space available after rendering the buttons and textbox. For this I created two LinearLayouts inside the main layout. The first one has vertical orientation with layout_width set to fill_parent. The second one is horizontal with fill_parent again. The first one has a textbox for which I have set the layout_height to fill parent. The second one has two textboxes OK and Cancel. When I run this application I get the UI, but the Buttons are very small (about 5px in height). I have to set the button height manually. What am I doing wrong here. I don't want to hard code the button height. <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <LinearLayout android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_weight="1"> <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="Name"></TextView> <EditText android:layout_width="fill_parent" android:layout_height="wrap_content"></EditText> <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="Contents"></TextView> <EditText android:layout_width="fill_parent" android:layout_height="fill_parent" android:gravity="top" /> </LinearLayout> <LinearLayout android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1"> <Button android:id="@+id/okbutt" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="OK" android:layout_weight="1" /> <Button android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="Cancel" android:layout_weight="1" /> </LinearLayout> Thanks, Arun

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• Fast JSON serialization (and comparison with Pickle) for cluster computing in Python?

  - by user248237

  I have a set of data points, each described by a dictionary. The processing of each data point is independent and I submit each one as a separate job to a cluster. Each data point has a unique name, and my cluster submission wrapper simply calls a script that takes a data point's name and a file describing all the data points. That script then accesses the data point from the file and performs the computation. Since each job has to load the set of all points only to retrieve the point to be run, I wanted to optimize this step by serializing the file describing the set of points into an easily retrievable format. I tried using JSONpickle, using the following method, to serialize a dictionary describing all the data points to file: def json_serialize(obj, filename, use_jsonpickle=True): f = open(filename, 'w') if use_jsonpickle: import jsonpickle json_obj = jsonpickle.encode(obj) f.write(json_obj) else: simplejson.dump(obj, f, indent=1) f.close() The dictionary contains very simple objects (lists, strings, floats, etc.) and has a total of 54,000 keys. The json file is ~20 Megabytes in size. It takes ~20 seconds to load this file into memory, which seems very slow to me. I switched to using pickle with the same exact object, and found that it generates a file that's about 7.8 megabytes in size, and can be loaded in ~1-2 seconds. This is a significant improvement, but it still seems like loading of a small object (less than 100,000 entries) should be faster. Aside from that, pickle is not human readable, which was the big advantage of JSON for me. Is there a way to use JSON to get similar or better speed ups? If not, do you have other ideas on structuring this? (Is the right solution to simply "slice" the file describing each event into a separate file and pass that on to the script that runs a data point in a cluster job? It seems like that could lead to a proliferation of files). thanks.

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• Generating code -- is there an easy way to get a proper string representation of nullable type?

  - by Cory Larson

  So I'm building an application that is going to do a ton of code generation with both C# and VB output (depending on project settings). I've got a CodeTemplateEngine, with two derived classes VBTemplateEngine and CSharpTemplateEngine. This question regards creating the property signatures based on columns in a database table. Using the IDataReader's GetSchemaTable method I gather the CLR type of the column, such as "System.Int32", and whether it IsNullable. However, I'd like to keep the code simple, and instead of having a property that looks like: public System.Int32? SomeIntegerColumn { get; set; } or public Nullable<System.Int32> SomeIntegerColumn { get; set; }, where the property type would be resolved with this function (from my VBTemplateEngine), public override string ResolveCLRType(bool? isNullable, string runtimeType) { Type type = TypeUtils.ResolveType(runtimeType); if (isNullable.HasValue && isNullable.Value == true && type.IsValueType) { return "System.Nullable(Of " + type.FullName + ")"; // or, for example... return type.FullName + "?"; } else { return type.FullName; } }, I would like to generate a simpler property. I hate the idea of building a Type string from nothing, and I would rather have something like: public int? SomeIntegerColumn { get; set; } Is there anything built-in anywhere, such as in the VBCodeProvider or CSharpCodeProvider classes that would somehow take care of this for me? Or is there a way to get a type alias of int? from a type string like System.Nullable'1[System.Int32]? Thanks!

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• How to query collections in NHibernate

  - by user305813

  Hi, I have a class: public class User { public virtual int Id { get; set; } public virtual string Name { get; set; } public virtual IDictionary<string, string> Attributes { get; set; } } and a mapping file: <class name="User" table="Users"> <id name="Id"> <generator class="hilo"/> </id> <property name="Name"/> <map name="Attributes" table="UserAttributes"> <key column="UserId"/> <index column="AttributeName" type="System.String"/> <element column="Attributevalue" type="System.String"/> </map> </class> So now I can add many attributes and values to a User. How can I query those attributes so I can get ie. Get all the users where attributename is "Age" and attribute value is "20" ? I don't want to do this in foreach because I may have millions of users each having its unique attributes. Please help

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• Creating stored procedure having different WHERE clause on different search criteria without putting

  - by Muhammad Kashif Nadeem

  Is there any alternate way to create stored procedure without putting all query in one long string if criteria of WWHERE clause can be different. Suppose I have Orders table I want to create stored procedure on this table and there are three column on which I wnat to filter records. 1- CustomerId, 2- SupplierId, 3- ProductId. If user only give CustomerId in search criteria then query should be like following SELECT * FROM Orders WHERE Orders.CustomerId = @customerId And if user only give ProductId in search criteria then query should be like following SELECT * FROM Orders WHERE Orders.ProductId = @productId And if user only all three CustomerId, ProductId, and SupplierId is given then all three Ids will be used in WHERE to filter. There is also chance that user don't want to filter record then query should be like following SELCT * FROM Orders Whenever I have to create this kind of procedure I put all this in string and use IF conditions to check if arguments (@customeId or @supplierId etc) has values. I use following method to create procedure DECLARE @query VARCHAR(MAX) DECLARE @queryWhere VARCHAR(MAX) SET @query = @query + 'SELECT * FROM Orders ' IF (@originationNumber IS NOT NULL) BEGIN BEGIN SET @queryWhere =@queryWhere + ' Orders.CustomerId = ' + CONVERT(VARCHAR(100),@customerId) END END IF(@queryWhere <> '') BEGIN SET @query = @query+' WHERE ' + @queryWhere END EXEC (@query) Thanks.

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• phpmyadmin shows numbers or blob for mysql's utf8_bin callation columns?

  - by marc40000

  Hi ! I have a table with a varchar column. Its collation is set to utf8_bin. My software using this table and column works perfectly. But when I look at the content in phpmyadmin, I only see some hex values or [Blob xB]. Can I make phpmyadmin show the content correctly? Besides, when I set the collation to utf8_general_ci or utf8_unicode_ci, the phpmyadmin shows the content correctly. Thx Marc [edit]Hah, I found out, there is a small "+Options" link above every table in phpmyadmin. It opens several options including "Show BLOB contents" - which makes the [blob] to readable text when enabled and "Show binary contents as HEX" which shows the hex codes as text when disabled. No idea why there are two options though and why sometimes there is a [Blob] and sometimes hex values. Well. Now I'm still wondering: Setting these options get lost when I go to another table. I have to set them every time I go there. Is there a way to save those options? [/edit]

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• [C#] How can we differentiate between SDK class objects and custom class objects?

  - by Nayan

  To give an idea of my requirement, consider these classes - class A { } class B { string m_sName; public string Name { get { return m_sName; } set { m_sName = value; } } int m_iVal; public int Val { get { return m_iVal; } set { m_iVal = value; } } A m_objA; public A AObject { get { return m_objA; } set { m_objA = value; } } } Now, I need to identify the classes of the objects passed to a function void MyFunc(object obj) { Type type = obj.GetType(); foreach (PropertyInfo pi in type.GetProperties()) { if (pi.PropertyType.IsClass) { //I need objects only if (!type.IsGenericType && type.FullName.ToLower() == "system.string") { object _obj = pi.GetValue(obj, null); //do something } } } } I don't like this piece of code - if (!type.IsGenericType && type.FullName.ToLower() == "system.string") { because then i have to filter out classes like, System.Int16, System.Int32, System.Boolean and so on. Is there an elegant way through which I can find out if the object is of a class defined by me and not of system provided basic classes?

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• deploy a sinatra app with passenger gives only 404, page not founds. Yet a simple rack app works.

  - by berkes

  I have correctly (or prbably not) installed passenger on apache 2. Rack works, but sinatra keeps giving 404's. Here is what works: config.ru: #app = proc do |env| return [200, { "Content-Type" => "text/html" }, "hello <b>world</b>"] end run app Here is what works too: Running the app.rb (see below) with ruby app.rb and then looking at localhost:4567/about and / restarting the app, gives me a correct hello world. w00t. But then there is the sinatra entering the building: config.ru require 'rubygems' require 'sinatra' root_dir = File.dirname(__FILE__) set :environment, ENV['RACK_ENV'].to_sym set :root, root_dir set :app_file, File.join(root_dir, 'app.rb') disable :run run Sinatra::Application and an app.rb require 'rubygems' require 'sinatra' get '/' do "Hallo wereld!" end get '/about' do "Hello world, it's #{Time.now} at the server!" end This keeps giving 404s. /var/logs/apache2/error.log lists these correctly as "404" with something that worries me: 83.XXXXXXXXX - - [30/May/2010 16:06:52] "GET /about " 404 18 0.0007 83.XXXXXXXXX - - [30/May/2010 16:06:56] "GET / " 404 18 0.0007 The thing that worried me, is the space after the / and the /about. Would apache or sinatra go looking for /[space], like /%20? If anyone knows what this problem relates to, maybe a known bug (that I could not find) or a known gotcha? Maybe I am just being stupid and getting "it all wrong?" Otherwise any hints on where to get, read or log more developers data on a running rack, sinatra or passenger app would be helpfull too: to see what sinatra is looking for, for example. Some other information: Running ubuntu 9.04, apache2-mm-prefork (deb), mod_php5, ruby 1.8.7, passenger 2.2.11, sinatra 1.0

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• How do the XMPP modules work in perl?

  - by TheGNUGuy

  Hey everybody, I am trying to make my own jabber bot but i have run into a little trouble. I have gotten my bot to respond to messages, however, if I try to change the bot's presence then it seems as though all of the messages you send to the bot get delayed. What I mean is when I run the script I change the presence so I can see that it is online. Then When I send it a message it takes 3 before the callback subroutine i have set up for messages gets called. After the 3rd message is sent and the chat subroutine is called it still process the first message I sent. This really doesn't pose TOO much of a problem except that I have it set up to log out when I send the message "logout" and it has to be followed by two more messages in order to log out. I am not sure what it is that I have to do to fix this but i think it has something to do with iq packets because I have an iq callback set as well and it gets called 2 times after setting the presence. Here is my source code: http://pastebin.com/MgKMhTML Thanks for your help!

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• Java JSTL / EL: nesting

  - by NoozNooz42

  I really don't know how to name this question, it's great if anyone with 2K+ rep can edit this title to better reflect my question (the fact that I can't name this easily is probably why I can't Google the solution). I've got this, which is working: <c:choose> <c:when test="${sometest}"> Hello, world! </c:when> <c:otherwise> <fmt:message key="${page.title}" /> </c:otherwise> </c:choose> And I want to change it to this: <c:choose> <c:when test="${sometest}"> <c:set var="somevar" scope="page" value="Hello, world!"/> </c:when> <c:otherwise> <c:set var="somevar" scope="page" value="<fmt:message key="${page.title}">" </c:otherwise> </c:choose But of course the following line ain't correct: <c:set var="somevar" scope="page" value="<fmt:message key="${page.title}">" How can I assign to the somevar variable the string resulting from a call?

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• Sharepoint isn't accepting new Credentials initially when switching users.

  - by Tiziani

  Hi all, I have a standard website (one webapplication and one site collection) with some custom pages and webparts. The issue I'm having is that when I try to switch users, using the "Sign In As a Different User" and entering new credentials (even for another site collection admin account), IE tries the account three times, and then it presents a 401 Access Denied screen. After that, if I erase all the stuff of access denied page from the browser's url, I'm logged as the new account I just had entered and was not accepted. After researching for a while on google, I found a KB ( http://support.microsoft.com/kb/970814 ) that might relate, but just tested here and it didn't work at all. The modified method suggested by the KB is the following: function LoginAsAnother(url, bUseSource) { document.cookie="loginAsDifferentAttemptCount=0"; if (bUseSource=="1") { GoToPage(url); } else { //var ch=url.indexOf("?") =0 ? "&" : "?"; //url+=ch+"Source="+escapeProperly(window.location.href); //STSNavigate(url); document.execCommand("ClearAuthenticationCache"); } } But after making this change, it no longer asks for a new credential. Any ideas?

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• 3 index buffers

  - by bobobobo

  So, in both D3D and OpenGL there's ability to draw from an index buffer. The OBJ file format however does something weird. It specifies a bunch of vertices like: v -21.499660 6.424470 4.069845 v -25.117170 6.418100 4.068025 v -21.663851 8.282170 4.069585 v -21.651890 6.420180 4.068675 v -25.128481 8.281520 4.069585 Then it specifies a bunch of normals like.. vn 0.196004 0.558984 0.805680 vn -0.009523 0.210194 -0.977613 vn -0.147787 0.380832 -0.912757 vn 0.822108 0.567581 0.044617 vn 0.597037 0.057507 -0.800150 vn 0.809312 -0.045432 0.585619 Then it specifies a bunch of tex coords like vt 0.1225 0.5636 vt 0.6221 0.1111 vt 0.4865 0.8888 vt 0.2862 0.2586 vt 0.5865 0.2568 vt 0.1862 0.2166 THEN it specifies "faces" on the model like: f 1/2/5 2/3/7 8/2/6 f 5/9/7 6/3/8 5/2/1 So, in trying to render this with vertex buffers, In OpenGL I can use glVertexPointer, glNormalPointer and glTexCoordPointer to set pointers to each of the vertex, normal and texture coordinate arrays respectively.. but when it comes down to drawing with glDrawElements, I can only specify ONE set of indices, namely the indices it should use when visiting the vertices. Ok, then what? I still have 3 sets of indices to visit. In d3d its much the same - I can set up 3 streams: one for vertices, one for texcoords, and one for normals, but when it comes to using IDirect3DDevice9::DrawIndexedPrimitive, I can still only specify ONE index buffer, which will index into the vertices array. So, is it possible to draw from vertex buffers using different index arrays for each of the vertex, texcoord, and normal buffers (EITHER d3d or opengl!)

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