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  • Unicode problems with Delphi 2009 / 2010 and windows API calls

    - by Charles Faiga
    Hi I have been using this function in Delphi 2006, but now with D2010 it throws an error. I think it is related to the switch to Unicode. Function TWinUtils.GetTempFile(Const Extension: STRING): STRING; Var Buffer: ARRAY [0 .. MAX_PATH] OF char; Begin Repeat GetTempPath(SizeOf(Buffer) - 1, Buffer); GetTempFileName(Buffer, '~~', 0, Buffer); Result := ChangeFileExt(Buffer, Extension); Until not FileExists(Result); End; What should I do to make it work? EDIT I get an 'access violation' when the ChangeFileExt is called

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  • How to draw a 3D donut chart in OpenGL?

    - by paulbeesley
    I would like to draw a chart in OpenGL similar to the donut graph at the bottom-right of this example. I have experience with drawing 2D charts such as the main chart in the example but what confuses me about the one I want to draw is the correct type of primitive to use when drawing the 3D chart. I have considered using GL_QUAD_STRIP and GL_POLYGON but neither seem quite right for the task. Where should I begin? I will be using JOGL with Java to draw the chart, if that helps at all. Also, I don't necessarily need to extrude certain slices of the chart as shown in the example.

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  • ODBC Connection Setup in Java

    - by Jessica
    I want to write a Java program that automates the work that the ODBC Data Source Administrator does in Windows. That is, given an ODBC connection name and a path to the database on the hard drive, I want it to create the connection. I really have no idea where to even begin with this. I looked at this but it said it was for C and I don't think that's very helpful. If anyone could point me in the right direction for this at all, I would appreciate it. (I realize this question is REALLY vague, but that's all the information I was given.)

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  • Fastest way to write large STL vector to file using STL

    - by ljubak
    I have a large vector (10^9 elements) of chars, and I was wondering what is the fastest way to write such vector to a file. So far I've been using next code: vector<char> vs; // ... Fill vector with data ofstream outfile("nanocube.txt", ios::out | ios::binary); ostream_iterator<char> oi(outfile, '\0'); copy(vs.begin(), vs.end(), oi); For this code it takes approximately two minutes to write all data to file. The actual question is: "Can I make it faster using STL and how"?

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  • Multi-statement Table Valued Function vs Inline Table Valued Function

    - by AndyC
    ie: CREATE FUNCTION MyNS.GetUnshippedOrders() RETURNS TABLE AS RETURN SELECT a.SaleId, a.CustomerID, b.Qty FROM Sales.Sales a INNER JOIN Sales.SaleDetail b ON a.SaleId = b.SaleId INNER JOIN Production.Product c ON b.ProductID = c.ProductID WHERE a.ShipDate IS NULL GO versus: CREATE FUNCTION MyNS.GetLastShipped(@CustomerID INT) RETURNS @CustomerOrder TABLE (SaleOrderID INT NOT NULL, CustomerID INT NOT NULL, OrderDate DATETIME NOT NULL, OrderQty INT NOT NULL) AS BEGIN DECLARE @MaxDate DATETIME SELECT @MaxDate = MAX(OrderDate) FROM Sales.SalesOrderHeader WHERE CustomerID = @CustomerID INSERT @CustomerOrder SELECT a.SalesOrderID, a.CustomerID, a.OrderDate, b.OrderQty FROM Sales.SalesOrderHeader a INNER JOIN Sales.SalesOrderHeader b ON a.SalesOrderID = b.SalesOrderID INNER JOIN Production.Product c ON b.ProductID = c.ProductID WHERE a.OrderDate = @MaxDate AND a.CustomerID = @CustomerID RETURN END GO Is there an advantage to using one over the other? Is there certain scenarios when one is better than the other or are the differences purely syntactical? I realise the 2 example queries are doing different things but is there a reason I would write them in that way? Reading about them and the advantages/differences haven't really been explained. Thanks

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  • Sort list using stl sort function

    - by Vlad
    I'm trying to sort a list (part of a class) in descending containg items of a struct but it doesn't compile(error: no match for 'operator-' in '__last - __first'): sort(Result.poly.begin(), Result.poly.end(), SortDescending()); And here's SortDescending: struct SortDescending { bool operator()(const term& t1, const term& t2) { return t2.pow < t1.pow; } }; Can anyone tell me what's wrong? Thanks!

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  • IE8 CSS and html vs IE7

    - by 08Hawkeye
    Pardon any brashness here, I'm about at my wits end looking for answers. I am looking for a list (if one exists) or some resource guide of specific html and css tags that have changed from IE7 to IE8. Specifically, I want to see something like "this code works in IE7 but not IE8... here is the broken tag's equivalent to make IE8 work." I do NOT [begin frustration rant] want to hear anything about the meta x-ua-compatibility work around to put in my header. We are FIXING our app for IE8, not putting on a band-aid. Thanks in advance! //sw

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  • Object Oriented Design Questions

    - by Robert
    Hello there. I am going to develop a Tic-Tac-Toe game using Java(or maybe other OO Languages).Now I have a picture in my mind about the general design. Interface: Player ,then I will be able to implement a couple of Player classes,based on how I want the opponent to be,for example,random player,intelligent player. Classes: Board class,with a two-dimensional array of integers,0 indicates open,1 indicates me,-1 indicates opponent.The evaluation function will be in here as well,to return the next best move based on the current board arrangement and whose turn it is. Refree class,which will create instance of the Board and two player instances,then get the game begin. This is a rough idea of my OO design,could anybody give me any critiques please,I find this is really beneficial,thank you very much.

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  • MarshalException: CORBA MARSHAL 1398079745 / Could find classes

    - by user302049
    Hi, we did a cleanbuild in netbeans, checked the jdk version and deployed everything at the server but still got the following error. Can somebody help? javax.servlet.ServletException: #{RegistrationController.register}: javax.ejb.EJBException: nested exception is: java.rmi.MarshalException: CORBA MARSHAL 1398079745 Maybe; nested exception is: org.omg.CORBA.MARSHAL: ----------BEGIN server-side stack trace---------- org.omg.CORBA.MARSHAL: vmcid: SUN minor code: 257 completed: at com.sun.corba.ee.impl.logging.ORBUtilSystemException.couldNotFindClass(ORBUtilSystemException.java:9679) at com.sun.corba.ee.impl.logging.ORBUtilSystemException.couldNotFindClass(ORBUtilSystemException.java:9694) at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:1042) at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:896) ...

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  • .Net opening and clossing database connections

    - by Dan
    I currently designed the data access portion of our framework so that every time a business object needed to interact with the database it would have to open a connection, invoke the data access layer (to execute the query), and then close the connection. Then if it needed to run in a transaction it would open the connection, begin the transaction, invoke the data access layer (to execute the query) and then commit the transaction, close the transaction, and finally close the connection. I did it this way with the mindset of open late and close early...but what if I needed to call other BO's to submit data in a single transaction? Is there a better way to handle opening and closing connections as well as working with transactions? I'm a rookie at architecting applications so I hope I'm not doing this wrong...any help is appreciated.

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  • Remote Backup User Data on iPhone

    - by Eric
    I wrote a few iPhone apps using Core Data for persistent storage. Everything is working great but I would like to add the ability for users to back up their data to a PC (via WiFi to a PC app) or to a web server. This is new to me and I can't seem to figure out where to begin researching the problem. I don't want to overcomplicate the issue if there is an easy way to implement this. Is anyone familiar enough with what I am looking to do to point me in the right direction or give me a high level overview of what I should be considering? The data is all text and would be perfectly stored in .csv files if that matters.

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  • THttprio onBeforeExecute changing the soapRequest

    - by adnan
    I've imported some wsdl for a project. i want to change the SoapRequest on HttpRio onBeforeExecute event, but as i changed the request, im getting some errors how can i change the request xml file with stringReplace function on this event. i've tried to change the size of stream, i ve changed the encoding etc. but anyway it didnt work. example procedure TForm1.RiomBeforeExecute(const MethodName: string; SOAPRequest: TStream); var sTmp : TStringList; begin sTmp:=TStringList.Create; SOAPRequest.Position := 0; sTmp.LoadFromStream(SOAPRequest); sTmp.Text := StringReplace(sTmp.Text,'blablaa','bla',[RfReplaceAll]); sTmp.SaveToStream(SOAPRequest); // blaa blaa... end;

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  • PHP stream_context_set_option SSL certificate as string

    - by Roger Thomas
    I've got a weird issue. Basically, I need to do this: $handle = stream_context_create(); stream_context_set_option($handle , 'ssl', 'local_cert', '/tmp/cert'); However. The certificate is not held as a file within the server. Rather it's an encrypted string held in a clustered database environment. So instead of the certificate being a file name pointer, its the physical content of the certificate. So instead of using the file name, I need to specify the content of the certificate instead. For example: $cert = '-----BEGIN CERTIFICATE-----.... upWbwmdMd61SjNCdtOpZcNW3YmzuT96Fr7GUPiDQ -----END CERTIFICATE-----'; Does anyone have any idea whatsoever how on earth I can do this? I'm scratching my head over this problem, but my gut instinct says it is doable. Thanks in advance everyone!

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  • ergonomics: what's better; trackball, ergonomic mouse or some other pointing device (a-la touchscree

    - by mauriciopastrana
    So I bit into the hype and recently purchased an apple wireless keyboard and that evil bar-of-soap thing apple makes for a mouse. Couple of hundred dollars later and this is where I begin to worry about RSI. Go figure. Don't get me wrong, this apple mouse is genius and looks pretty as hell, but my right wrist feels tired after a full day's worth of work, so i'm thinking of switching. Anyone out there use a trackball? is this worse? should I get a super-ergonomic mouse instead? I've seen mouse-trackball combos but am not sold, they still elicit the same end-finger behaviour detrimental for RSI, right? I also have a wrist-rest mousepad, but couldn't find one suitable for my keyboard. I've even considered having a small touchscreen where the mousepad should go, no mouse (or alternatively, a usb trackpad). Just looking for ideas, is the trackball better than the mouse? /mp

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  • Seam conversation ending suddenly when using Redirect

    - by Markos Fragkakis
    Hi all, Because I get some errors on conversations ending abruptly, I created in my project some test pages that reproduce the issue. The navigation takes place between pageA.xhtml and pageB.xhtml. Please tell me if I am using something in the wrong way. My configuration: Seam 2.2.0.GA WebLogic 10.3.2 (11g) Richfaces 3.3.2 JSF 1.2 Note: the same happens when using annotations to begin / end conversations ======= PAGE A @Name("pageaAction") public class PageaAction { @Out(required = false, scope = ScopeType.CONVERSATION) Person person; public String rule3() { person = new Person(); person.setEmail("[email protected]"); person.setName("markos"); return "rule3"; } } <?xml version="1.0" encoding="UTF-8"?> <page> <navigation> <rule if-outcome="rule3"> <begin-conversation /> <redirect view-id="/pages/seam_sandbox/pageb.xhtml" /> </rule> </navigation> </page> ... <h:commandButton action="#{pageaAction.rule3()}" value="h:commandButton" /><br/> ... ======= PAGE B @Name("pagebAction") public class PagebAction { @In(required = false, scope = ScopeType.CONVERSATION) Person person; public String redirectA() { return "redirectA"; } } <?xml version="1.0" encoding="UTF-8"?> <page> <navigation> <rule if-outcome="redirectA"> <end-conversation before-redirect="true" /> <redirect view-id="/pages/seam_sandbox/pagea.xhtml" /> </rule> </navigation> </page> ... <h:commandButton action="#{pagebAction.redirectA()}" value="h:commandButton" /> ... ========== EXCEPTION: This happens after a random number of redirects. javax.faces.FacesException: {pagebAction.redirectA()}: java.lang.IllegalStateException: No conversation context active at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:118) at javax.faces.component.UICommand.broadcast(UICommand.java:387) at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:324) at org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:299) at org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:256) at org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:469) at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:82) at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100) at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227) at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125) at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292) at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:530) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83) at org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:40) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:90) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178) at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290) at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:388) at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:515) at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3592) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121) at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2202) at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2108) at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1432) at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201) at weblogic.work.ExecuteThread.run(ExecuteThread.java:173) Caused by: javax.faces.el.EvaluationException: java.lang.IllegalStateException: No conversation context active at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:102) at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102) ... 45 more Caused by: java.lang.IllegalStateException: No conversation context active at org.jboss.seam.ScopeType.getContext(ScopeType.java:133) at org.jboss.seam.Component.getValueToInject(Component.java:2325) at org.jboss.seam.Component.injectAttributes(Component.java:1736) at org.jboss.seam.Component.inject(Component.java:1554) at org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:61) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.core.ConversationInterceptor.aroundInvoke(ConversationInterceptor.java:65) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:44) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107) at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:185) at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:103) at eu.emea.pim.prs.web.seamsandbox.PagebAction_$$_javassist_seam_8.redirectA(PagebAction_$$_javassist_seam_8.java) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:335) at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:280) at org.jboss.el.parser.AstMethodSuffix.getValue(AstMethodSuffix.java:59) at org.jboss.el.parser.AstMethodSuffix.invoke(AstMethodSuffix.java:65) at org.jboss.el.parser.AstValue.invoke(AstValue.java:96) at org.jboss.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276) at com.sun.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:68) at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88) ... 46 more

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  • 301 htaccess redirect: add segment to old URL's

    - by Rick
    I'm trying to make sure old url's aren't broken after the site's URL structure has changed from this: http://www.domain.com/section/entry_name to this: http://www.domain.com/section/event_name/entry_name But to make it a bit more complex, I'm using the segments to sort entries, for example: http://www.domain.com/news/amazing_event/date/asc http://www.domain.com/videos/my_event/title/desc The new structure only effects one particular event (amazing_event) and should leave the other URL's alone. Where do I even begin to tackle this? My current .htaccess looks like: RewriteEngine On RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ /index.php/$1 [L] Thanks - appreciate any tips.

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  • Convert SQLITE SQL dump file to POSTGRESQL

    - by DevX
    I've been doing development using SQLITE database with production in POSTGRESQL. I just updated my local database with a huge amount of data and need to transfer a specific table to the production database. SQLITE outputs a table dump in the following format: BEGIN TRANSACTION; CREATE TABLE "courses_school" ("id" integer PRIMARY KEY, "department_count" integer NOT NULL DEFAULT 0, "the_id" integer UNIQUE, "school_name" varchar(150), "slug" varchar(50)); INSERT INTO "courses_school" VALUES(1,168,213,'TEST Name A',NULL); INSERT INTO "courses_school" VALUES(2,0,656,'TEST Name B',NULL); .... COMMIT; How do I convert the above into a POSTGRESQL compatible dump file that I can import into my production server?

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  • jquery ui cannot reload current tab

    - by 0plus1
    I need to reload the current tab in jquery ui (loaded with ajax). I'm doing this: function reloadtab(){ $('#tabs').tabs('load', $('#tabs').tabs('option', 'selected')); } Before you begin wondering: $('#tabs').tabs('option', 'selected'); returns 3. When I call reloadtab() I get no error, it simply doesn't work. Why does this happens? Thank you very much EDIT: I'm an idiot, it was working, was a problem with cache. Sorry.

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  • LWJGL not working

    - by Jesse Welch
    I'm working on a homework assignment to modify code given by my professor using LightWeight Java Game Library. The problem is that I can't fully load the test code to begin testing modifications. I've linked against the jar file as it says to in the modifications, but I still have one lingering error. The import statement import org.lwjgl.util.glu.*; Cannot be resolved, so I have errors on the following lines, spread throughout the code: textures[0] = GLApp.makeTexture("green.bmp"); GLU.gluPerspective(45.0f, (float)Display.getDisplayMode().getWidth() / (float)Display.getDisplayMode().getHeight(), 0.1f, 100.0f); GLU.gluLookAt(cameraX, cameraY, cameraZ, lookX, lookY, lookZ, 0.0f, 1.0f, 0.0f);` Any ideas on what is going wrong?

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  • Delphi: problem with httpcli (ICS) post method

    - by www.yegorov-p.ru
    Hello I am using HttpCli component form ICS to POST a request. I use an example that comes with the component. It says: procedure TForm4.Button2Click(Sender: TObject); var Data : String; begin Data:='status=no'; HttpCli1.SendStream := TMemoryStream.Create; HttpCli1.SendStream.Write(Data[1], Length(Data)); HttpCli1.SendStream.Seek(0, 0); HttpCli1.RcvdStream := TMemoryStream.Create; HttpCli1.URL := Trim('http://server/something'); HttpCli1.PostAsync; end; But it fact, it sends not status=no but s.t.a.t.u I can't understand, where is the problem. Maybe someone can show an example, how to send POST request with the help of HttpCli component? PS I can't use Indy =)

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  • Importing Thawte trial certificates into a Java keystore

    - by lindelof
    Hello, I'm trying to configure a Tomcat server with SSL. I've generated a keypair thus: $ keytool -genkeypair -alias tomcat -keyalg RSA -keystore keys Next I generate a certificate signing request: $ keytool -certreq -keyalg RSA -alias tomcat -keystore keys -file tomcat.csr Then I copy-paste the contents of tomcat.csr into a form on Thawte's website, asking for a trial SSL certificate. In return I get two certificates delimited with -----BEGIN ... -----END, that I save under tomcat.crt and thawte.crt. (Thawte calls the second certificate a 'Thawte Test CA Root' certificate). When I try to import either of them it fails: $ keytool -importcert -alias tomcat -file tomcat.crt -keystore keys Enter keystore password: keytool error: java.lang.Exception: Failed to establish chain from reply $ keytool -importcert -alias thawte -file thawtetest.crt -keystore keys Enter keystore password: keytool error: java.lang.Exception: Input not an X.509 certificate Adding the -trustcacerts option to either of these commands doesn't change anything either. Any idea what I am doing wrong here?

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  • how to get Celsius as output from LM335Z with arduino?

    - by wizztjh
    the firstsensor is my lm335z output. int firstSensor = 0; int secondSensor = 0; int thirdSensor = 0; int inByte = 0; void setup() { Serial.begin(9600); establishContact(); // send a byte to establish contact until receiver responds } void loop() { if (Serial.available() > 0) { inByte = Serial.read(); firstSensor = analogRead(0); delay(10); secondSensor = analogRead(1); thirdSensor = analogRead(2); Serial.print(firstSensor, DEC); Serial.print(","); Serial.print(secondSensor, DEC); Serial.print(","); Serial.println(thirdSensor, DEC); } } void establishContact() { }

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  • Should functional programming be taught before imperative programming?

    - by Zifre
    It seems to me that functional programming is a great thing. It eliminates state and makes it much easier to automatically make code run in parallel. Many programmers who were first taught imperative programming styles find it very difficult to learn functional programming, because it is so different. I began to wonder if programmers who were taught functional programming first would find it hard to begin imperative programming. It seems like it would not be as hard as the other way around, so I thought it would be a good thing if more programmers were taught functional programming first. So, my question is, should functional programming be taught in school before imperative, and if so, why is it not more common to start with it?

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  • MYSQL stored function - create function (function definition) problem using FORMAT

    - by Jason Fonseca
    Hi all, I keep receiving an error with the following code. I am trying to make a function that will format a field (content=0.0032) into a varchar/percent (content=0.32%). At the moment i'm just trying to get format to work, and it throws up an error "Error Code : 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'len);" The function definition for "Format" is "Format(X,d)" where x is the number and d is the number of decimal places to round too. It then should output a string ###,###,###.## etc. My code is as follows: DROP FUNCTION IF EXISTS percent; DELIMITER $$ CREATE /*[DEFINER = { user | CURRENT_USER }]*/ FUNCTION `auau7859_aba`.`percent`(num DOUBLE, len INT) RETURNS VARCHAR(10) DETERMINISTIC BEGIN RETURN FORMAT(num,len); END$$ DELIMITER ; Save me...Luke

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  • ASP.NET MVC Ajax Form: Is enctype correct? Why doesn't file get uploaded?

    - by Fabio Milheiro
    In the case that the user doesn't have Javascript activated, in order to draw a form, I begin this way: <% using (Html.BeginForm("Create", "Language", FormMethod.Post, new {enctype="multipart/form-data"})) { %> If the user has Javascript activated, the following code is used: <% using (Ajax.BeginForm("Create", "Language", new AjaxOptions { UpdateTargetId = "CommonArea" }, new { enctype = "multipart/form-data" })) { %> The problem is this: In the first case, I can get the file uploaded using the following instruction in the business layer: // Get the uploaded file HttpPostedFile Flag = HttpContext.Current.Request.Files["Flag"]; In the second case, this instruction doesn't work. How do I know upload that file using the Ajax.BeginForm? Is the code right? Can anyone more experience advise about using jQuery plug-in to upload file before the form submission? Thank you

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