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Permission based Authorization vs. Role based Authorization - Best Practices - 11g

- by Prakash Yamuna

In previous blog posts here and here I have alluded to the support in OWSM for Permission based authorization and Role based authorization support. Recently I was having a conversation with an internal team in Oracle looking to use OWSM for their Web Services security needs and one of the topics was around - When to use permission based authorization vs. role based authorization? As in most scenarios the answer is it depends! There are trade-offs involved in using the two approaches and you need to understand the trade-offs and you need to understand which trade-offs are better for your scenario. Role based Authorization: Simple to use. Just create a new custom OWSM policy and specify the role in the policy (using EM Fusion Middleware Control). Inconsistent if you have multiple type of resources in an application (ex: EJBs, Web Apps, Web Services) - ex: the model for securing EJBs with roles or the model for securing Web App roles - is inconsistent. Since the model is inconsistent, tooling is also fairly inconsistent. Achieving this use-case using JDeveloper is slightly complex - since JDeveloper does not directly support creating OWSM custom policies. Permission based Authorization: More complex. You need to attach both an OWSM policy and create OPSS Permission authorization policies. (Note: OWSM leverages OPSS Permission based Authorization support). More appropriate if you have multiple type of resources in an application (ex: EJBs, Web Apps, Web Services) and want a consistent authorization model. Consistent Tooling for managing authorization across different resources (ex: EM Fusion Middleware Control). Better Lifecycle support in terms of T2P, etc. Achieving this use-case using JDeveloper is slightly complex - since JDeveloper does not directly support creating/editing OPSS Permission based authorization policies.

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Tuning B2B Server Engine Threads in SOA Suite 11g

- by Shub Lahiri, A-Team

Background B2B 11g has a number of parameters that can be tweaked to tune the engine for handling high volumes of messages. These parameters are also known as B2B server properties and managed via the EM console. This note highlights one aspect of the tuning exercise and describes the different threads, that can be configured to tune the performance of a B2B server. Symptoms The most common indicator of a B2B engine in need of a tuning is reflected in the constant build-up of messages in an internal JMS queue within the B2B server. It is called B2B_EVENT_QUEUE and can be monitored via the Weblogic server console. Whenever such a behaviour is seen, it usually results in general degradation of performance. Remedy There could be many contributing factors behind a B2B server's degradation of performance. However, one of the first places to tune the server from the out-of-the-box, default configuration is to change the number of internal engine threads allocated within the B2B server. Usually the default configuration for the B2B server engine threads is not suitable for high-volume of messaging loads. So, it is necessary to increase the counts for 3 types of such threads, by specifying the appropriate B2B server properties via the EM console, namely, Inbound - b2b.inboundThreadCount Outbound - b2b.outboundThreadCount Default - b2b.defaultThreadCount The function of these threads are fairly self-explanatory. In other words, the inbound threads process the inbound messages that are coming into the B2B server from an external endpoint. Similarly, the outbound threads processes the messages that are sent out from the B2B server. The default threads are responsible for certain B2B server-specific special tasks. In case the inbound and outbound thread counts are not specified, the default thread count also dictates the total number of inbound and outbound threads. As found in any tuning exercise, the optimisation of these threads is usually reached via an iterative process. The best working combination of the thread counts are directly related to the system infrastructure, traffic load and several other environmental factors.

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Enterprise Manager 12c Grand Tour Customer/Partner Workshop

- by mseika

EMEA | Customer/Partner Workshop EMEA Oracle Solution Centre Enterprise Manager 12c Grand Tour Customer/Partner Workshop em.us.oracle.com On the WebSales ToolsCollateral Enterprise Manager 12c Grand Tour Customer/Partner Workshop The EMEA OSC is hosting a one day Customer/Partner Oracle Enterprise Manager 12c Grand Tour workshop in Thames Valley Park, Reading, UK on 31 Oct and 01 Nov 2012. The Workshop gives attendees a good insight into the latest release by highlighting several new functional areas of the product. The format of the day will provide opportunity for discussion as well as a number of presentations and exercises covering: EM User Interface Monitoring and Framework Database Lifecycle Management Database Management Middleware Management Using comprehensive workbooks attendees will be able to follow step-by-step instructions, with OSC SME's being on hand for any questions, to gain ‘hands on’ experience of EM12c functionality. Logistics Dates31 Oct and 01 Nov 2012 Time10:00 - 16:00 LocationOracle Solution Center, Oracle 520 Thames Valley Park, Reading, RG6 1RA Space is limited. If you have a customer/partner who would like to attend please register their details: For Wed 31 Oct 2012 REGISTER For Thu 01 Nov 2012REGISTER . Please note that this workshop is ONLY for customers/partners and seats will not be allocated to Oracle employees.

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Weird routing issue

- by Joel Coel

I'm having some weird internet problems on campus. I know it's something simple, but it's a case where I need another set of eyes. I think I can explain the problem best by posting a tracert: Tracing route to google.com [74.125.45.147] over a maximum of 30 hops: 1 3 ms 3 ms 3 ms 192.168.8.1 2 1 ms 1 ms 1 ms elissaemily-pc.york.edu [192.168.10.5] 3 2 ms 2 ms 2 ms rrcs-76-79-19-33.west.biz.rr.com [76.79.19.33] 4 31 ms 3 ms 2 ms ge-1-1-0.lnclne00-mx41.neb.rr.com [76.85.220.109] 5 20 ms 17 ms 17 ms ge-7-3-0.chcgill3-rtr1.kc.rr.com [76.85.220.137] 6 20 ms 20 ms 19 ms ae-5-0.cr0.chi30.tbone.rr.com [66.109.6.112] 7 19 ms 19 ms 24 ms ae-1-0.pr0.chi10.tbone.rr.com [66.109.6.155] 8 26 ms 24 ms 24 ms 74.125.48.109 9 23 ms 24 ms 21 ms 216.239.46.246 10 39 ms 39 ms 55 ms 209.85.242.215 11 39 ms 39 ms 39 ms 209.85.254.243 12 39 ms 40 ms 96 ms 209.85.253.145 13 39 ms 39 ms 39 ms yx-in-f147.1e100.net [74.125.45.147] Trace complete. Note the second entry in there. Not only is the host name a student's computer, but the ip address doesn't exist. Dhcp shows that host as having a different address and you can't ping any 192.168.10.5. Yet somehow it's routing packets for us (and not very well, either — things are slow right now). The basic network routing table looks like this: Destination Subnet Mask Gateway --------------------------------------- Default Route -- 10.1.1.5 (our firewall) 10.0.0.0 255.0.0.0 -- 192.168.8.0 255.255.252.0 --

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Is there any way for ME to improve routing to an overseas server?

- by Simon Hartcher

I am trying to make a connection to a gaming server in Asia from Australia, but my ISP routes my connection through the US. Tracing route to worldoftanks-sea.com [116.51.25.54]over a maximum of 30 hops: 1 <1 ms <1 ms <1 ms 192.168.1.1 2 34 ms 42 ms 45 ms 10.20.21.123 3 40 ms 40 ms 43 ms 202.7.173.145 4 51 ms 42 ms 36 ms syd-sot-ken-crt1-ge-6-0-0.tpgi.com.au [202.7.171.121] 5 175 ms 200 ms 195 ms ge5-0-5d0.cir1.seattle7-wa.us.xo.net [216.156.100.37] 6 212 ms 228 ms 229 ms vb2002.rar3.sanjose-ca.us.xo.net [207.88.13.150] 7 205 ms 204 ms 206 ms 207.88.14.226.ptr.us.xo.net [207.88.14.226] 8 207 ms 215 ms 220 ms xe-0.equinix.snjsca04.us.bb.gin.ntt.net [206.223.116.12] 9 198 ms 201 ms 199 ms ae-7.r20.snjsca04.us.bb.gin.ntt.net [129.250.5.52] 10 396 ms 391 ms 395 ms as-6.r20.sngpsi02.sg.bb.gin.ntt.net [129.250.3.89] 11 383 ms 384 ms 383 ms ae-3.r02.sngpsi02.sg.bb.gin.ntt.net [129.250.4.178] 12 364 ms 381 ms 359 ms wotsg1-slave-54.worldoftanks.sg [116.51.25.54] Trace complete. Since I think it will be unlikely that my ISP will do anything, are there any ways to improve my routing to the server without them having to intervene? NB. The game runs predominately over UDP, so I believe most low ping services are out of the question, as they rely on TCP traffic.

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@ContextConfiguration in Spring 3.0 give me No default constructor found

- by atomsfat

I have already do the test using AbstractDependencyInjectionSpringContextTests and it works but in spring 3 it is deprecated, so I decided to try @ContextConfiguration but spring say that default constructor is not found, I check and the class doesn't have any constructor. If I use this test spring give the object. package atoms.portales.servicios.impl; import atoms.portales.model.Cliente; import atoms.portales.servicios.ClienteService; import java.util.List; import javax.persistence.EntityManager; import org.springframework.test.AbstractDependencyInjectionSpringContextTests; /** * * @author tsalazar */ public class ClienteServiceImplDeTest extends AbstractDependencyInjectionSpringContextTests{ private ClienteService clienteService; public ClienteService getClienteService() { return clienteService; } public void setClienteService(ClienteService clienteService) { this.clienteService = clienteService; } public ClienteServiceImplDeTest(String testName) { super(testName); } @Override protected String[] getConfigLocations() { return new String[]{"PersistenceAppCtx.xml", "ServicesAppCtx.xml"}; } /** * Test of buscaCliente method, of class ClienteServiceImplDeTest. */ public void testBuscaCliente() { System.out.println("======================================="); System.out.println("buscaCliente"); String nombre = ""; System.out.println(clienteService); System.out.println("======================================="); } } But if I use this, spring say that default constructor is not found. package atoms.config.portales.servicios.impl; import atoms.portales.model.Cliente; import atoms.portales.servicios.ClienteService; import org.junit.runner.RunWith; import org.junit.Test; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import org.springframework.test.context.transaction.TransactionConfiguration; import org.springframework.transaction.annotation.Transactional; /** * * @author tsalazar */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(locations = {"/PersistenceAppCtx.xml", "/ServicesAppCtx.xml"}) @TransactionConfiguration(transactionManager = "transactionManager") @Transactional public class ClienteServiceImplTest { @Autowired private ClienteService clienteService; /** * Test of buscaCliente method, of class ClienteServiceImpl. */ @Test public void testBuscaCliente() { System.out.println("======================================="); System.out.println("buscaCliente"); System.out.println(clienteService); System.out.println("======================================="); } } This how I do the implementacion: package atoms.portales.servicios; import atoms.portales.model; /** * Una interface para obtener clientes, con sus surcursales, servicios, layouts * y contratos. Tambien soporta operaciones CRUD. * @author tsalazar */ public interface ClienteService { /** * Busca clientes a partir del nombre * @param nombre */ public Cliente buscaCliente(String nombre); } the implemetacion package atoms.portales..servicios.impl; import atoms.portales.model.Cliente; import atoms.portales.servicios.ClienteService; import javax.persistence.EntityManager; import javax.persistence.PersistenceContext; import org.springframework.stereotype.Repository; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; /** * A JPA-based implementation.Delegates to a JPA entity manager to issue data access calls * against the backing repository. The EntityManager reference is provided by the managing container (Spring) * automatically. */ @Service("clienteSerivice") @Repository public class ClienteServiceImpl implements ClienteService { public ClienteServiceImpl() { } private EntityManager em; @PersistenceContext public void setEntityManager(EntityManager em) { this.em = em; } @Transactional(readOnly = true) public Cliente buscaCliente(String nombre) { Cliente cliente = em.getReference(Cliente.class, 1l); return cliente; } } spring configuration: <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">  <tx:annotation-driven />  <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager"> <property name="entityManagerFactory" ref="entityManagerFactory" /> </bean>  <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"> <property name="dataSource" ref="dataSource" /> <property name="jpaVendorAdapter"> <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter" /> </property> </bean>  <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName" value="org.hsqldb.jdbcDriver" /> <property name="url" value="jdbc:hsqldb:hsql://localhost/test" /> <property name="username" value="sa" /> <property name="password" value="" /> </bean> <context:component-scan base-package="atoms.portales.servicios" /> </beans> This is the persistence.xml <?xml version="1.0" encoding="UTF-8"?> <persistence xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd" version="1.0"> <persistence-unit name="configuradorPortales" transaction-type="RESOURCE_LOCAL"> <provider>org.hibernate.ejb.HibernatePersistence</provider> <class>atoms.portales.model.Cliente</class> <properties> <property name="hibernate.dialect" value="org.hibernate.dialect.HSQLDialect"/> <property name="hibernate.hbm2ddl.auto" value="create-drop"/> <property name="hibernate.show_sql" value="true"/> <property name="hibernate.cache.provider_class" value="org.hibernate.cache.HashtableCacheProvider"/> </properties> </persistence-unit> </persistence> This is the error that give me:

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Is there any way for ME to improve routing to an overseas server? [migrated]

- by Simon Hartcher

I am trying to make a connection to a gaming server in Asia from Australia, but my ISP routes my connection through the US. Tracing route to worldoftanks-sea.com [116.51.25.54]over a maximum of 30 hops: 1 <1 ms <1 ms <1 ms 192.168.1.1 2 34 ms 42 ms 45 ms 10.20.21.123 3 40 ms 40 ms 43 ms 202.7.173.145 4 51 ms 42 ms 36 ms syd-sot-ken-crt1-ge-6-0-0.tpgi.com.au [202.7.171.121] 5 175 ms 200 ms 195 ms ge5-0-5d0.cir1.seattle7-wa.us.xo.net [216.156.100.37] 6 212 ms 228 ms 229 ms vb2002.rar3.sanjose-ca.us.xo.net [207.88.13.150] 7 205 ms 204 ms 206 ms 207.88.14.226.ptr.us.xo.net [207.88.14.226] 8 207 ms 215 ms 220 ms xe-0.equinix.snjsca04.us.bb.gin.ntt.net [206.223.116.12] 9 198 ms 201 ms 199 ms ae-7.r20.snjsca04.us.bb.gin.ntt.net [129.250.5.52] 10 396 ms 391 ms 395 ms as-6.r20.sngpsi02.sg.bb.gin.ntt.net [129.250.3.89] 11 383 ms 384 ms 383 ms ae-3.r02.sngpsi02.sg.bb.gin.ntt.net [129.250.4.178] 12 364 ms 381 ms 359 ms wotsg1-slave-54.worldoftanks.sg [116.51.25.54] Trace complete. Since I think it will be unlikely that my ISP will do anything, are there any ways to improve my routing to the server without them having to intervene? NB. The game runs predominately over UDP, so I believe most low ping services are out of the question, as they rely on TCP traffic.

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Matlab code works with one version but not the other

- by user1325655

I have a code that works in Matlab version R2010a but shows errors in matlab R2008a. I am trying to implement a self organizing fuzzy neural network with extended kalman filter. I have the code running but it only works in matlab version R2010a. It doesn't work with other versions. Any help? Code attach function [ c, sigma , W_output ] = SOFNN( X, d, Kd ) %SOFNN Self-Organizing Fuzzy Neural Networks %Input Parameters % X(r,n) - rth traning data from nth observation % d(n) - the desired output of the network (must be a row vector) % Kd(r) - predefined distance threshold for the rth input %Output Parameters % c(IndexInputVariable,IndexNeuron) % sigma(IndexInputVariable,IndexNeuron) % W_output is a vector %Setting up Parameters for SOFNN SigmaZero=4; delta=0.12; threshold=0.1354; k_sigma=1.12; %For more accurate results uncomment the following %format long; %Implementation of a SOFNN model [size_R,size_N]=size(X); %size_R - the number of input variables c=[]; sigma=[]; W_output=[]; u=0; % the number of neurons in the structure Q=[]; O=[]; Psi=[]; for n=1:size_N x=X(:,n); if u==0 % No neuron in the structure? c=x; sigma=SigmaZero*ones(size_R,1); u=1; Psi=GetMePsi(X,c,sigma); [Q,O] = UpdateStructure(X,Psi,d); pT_n=GetMeGreatPsi(x,Psi(n,:))'; else [Q,O,pT_n] = UpdateStructureRecursively(X,Psi,Q,O,d,n); end; KeepSpinning=true; while KeepSpinning %Calculate the error and if-part criteria ae=abs(d(n)-pT_n*O); %approximation error [phi,~]=GetMePhi(x,c,sigma); [maxphi,maxindex]=max(phi); % maxindex refers to the neuron's index if ae>delta if maxphi<threshold %enlarge width [minsigma,minindex]=min(sigma(:,maxindex)); sigma(minindex,maxindex)=k_sigma*minsigma; Psi=GetMePsi(X,c,sigma); [Q,O] = UpdateStructure(X,Psi,d); pT_n=GetMeGreatPsi(x,Psi(n,:))'; else %Add a new neuron and update structure ctemp=[]; sigmatemp=[]; dist=0; for r=1:size_R dist=abs(x(r)-c(r,1)); distIndex=1; for j=2:u if abs(x(r)-c(r,j))<dist distIndex=j; dist=abs(x(r)-c(r,j)); end; end; if dist<=Kd(r) ctemp=[ctemp; c(r,distIndex)]; sigmatemp=[sigmatemp ; sigma(r,distIndex)]; else ctemp=[ctemp; x(r)]; sigmatemp=[sigmatemp ; dist]; end; end; c=[c ctemp]; sigma=[sigma sigmatemp]; Psi=GetMePsi(X,c,sigma); [Q,O] = UpdateStructure(X,Psi,d); KeepSpinning=false; u=u+1; end; else if maxphi<threshold %enlarge width [minsigma,minindex]=min(sigma(:,maxindex)); sigma(minindex,maxindex)=k_sigma*minsigma; Psi=GetMePsi(X,c,sigma); [Q,O] = UpdateStructure(X,Psi,d); pT_n=GetMeGreatPsi(x,Psi(n,:))'; else %Do nothing and exit the while KeepSpinning=false; end; end; end; end; W_output=O; end function [Q_next, O_next,pT_n] = UpdateStructureRecursively(X,Psi,Q,O,d,n) %O=O(t-1) O_next=O(t) p_n=GetMeGreatPsi(X(:,n),Psi(n,:)); pT_n=p_n'; ee=abs(d(n)-pT_n*O); %|e(t)| temp=1+pT_n*Q*p_n; ae=abs(ee/temp); if ee>=ae L=Q*p_n*(temp)^(-1); Q_next=(eye(length(Q))-L*pT_n)*Q; O_next=O + L*ee; else Q_next=eye(length(Q))*Q; O_next=O; end; end function [ Q , O ] = UpdateStructure(X,Psi,d) GreatPsiBig = GetMeGreatPsi(X,Psi); %M=u*(r+1) %n - the number of observations [M,~]=size(GreatPsiBig); %Others Ways of getting Q=[P^T(t)*P(t)]^-1 %************************************************************************** %opts.SYM = true; %Q = linsolve(GreatPsiBig*GreatPsiBig',eye(M),opts); % %Q = inv(GreatPsiBig*GreatPsiBig'); %Q = pinv(GreatPsiBig*GreatPsiBig'); %************************************************************************** Y=GreatPsiBig\eye(M); Q=GreatPsiBig'\Y; O=Q*GreatPsiBig*d'; end %This function works too with x % (X=X and Psi is a Matrix) - Gets you the whole GreatPsi % (X=x and Psi is the row related to x) - Gets you just the column related with the observation function [GreatPsi] = GetMeGreatPsi(X,Psi) %Psi - In a row you go through the neurons and in a column you go through number of %observations **** Psi(#obs,IndexNeuron) **** GreatPsi=[]; [N,U]=size(Psi); for n=1:N x=X(:,n); GreatPsiCol=[]; for u=1:U GreatPsiCol=[ GreatPsiCol ; Psi(n,u)*[1; x] ]; end; GreatPsi=[GreatPsi GreatPsiCol]; end; end function [phi, SumPhi]=GetMePhi(x,c,sigma) [r,u]=size(c); %u - the number of neurons in the structure %r - the number of input variables phi=[]; SumPhi=0; for j=1:u % moving through the neurons S=0; for i=1:r % moving through the input variables S = S + ((x(i) - c(i,j))^2) / (2*sigma(i,j)^2); end; phi = [phi exp(-S)]; SumPhi = SumPhi + phi(j); %phi(u)=exp(-S) end; end %This function works too with x, it will give you the row related to x function [Psi] = GetMePsi(X,c,sigma) [~,u]=size(c); [~,size_N]=size(X); %u - the number of neurons in the structure %size_N - the number of observations Psi=[]; for n=1:size_N [phi, SumPhi]=GetMePhi(X(:,n),c,sigma); PsiTemp=[]; for j=1:u %PsiTemp is a row vector ex: [1 2 3] PsiTemp(j)=phi(j)/SumPhi; end; Psi=[Psi; PsiTemp]; %Psi - In a row you go through the neurons and in a column you go through number of %observations **** Psi(#obs,IndexNeuron) **** end; end

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Browsing Your ADF Application Module Pooling Params with WLST

- by Duncan Mills

In ADF 11g you can of course use Enterprise Manager (EM) to browse and configure the settings used by ADF Business Components Application Modules, as shown here for one of my sample deployed applications. This screen you can access from the EM homepage by pulling down the Application Deployment menu, and then ADF > Configure ADF Business Components. Then select the profile that you are actually using (Hint: look in the DataBindings.cpx file to work this out - probably the "Local" version unless you've explicitly changed it. )So, from this screen you can change the pooling parameters and the world is good. But what if you don't have EM installed? In that case you can use the WebLogic scripting capabilities to view (and Update) the MBean Properties. Explanation The pooling parameters and many others are handled through Message Driven Beans that are created for the deployed application in the server. In the case of the ADF BC pooling parameters, this MBean will combine the configuration deployed as part of the application, along with any overrides defined as -D environement commands on the JVM startup for the application server instance. Using WLST to Browse the Bean ValuesFor our purposes here I'm doing this interactively, although you can also write a script or write Java to achieve the same thing.Step 0: Before You Start You will need the followingAccess to the console on the machine that is running the serverThe WebLogic Admin username and password (I'll use weblogic/password as my example here - yours will be different)The name of the deployed application (in this example FMWdh_application1)The package path to the bc4j.xcfg file (in this example oracle.demo.fmwdh.model.service.common.bc4j.xcfg) This is based on the default path for your model project so it shoudl be fairly easy to work out.The BC configuration your AM is actually running with (look in the DataBindings.cpx for that. In this example DealHelpServiceDeployed is the profile being used..)Step 1: Start the WLST consoleTo start at the beginning, you need to run the WLST command but that needs a little setup:Change to the wlserver_10.3/server/bin directory e.g. under your Fusion Middleware Home[oracle@mymachine] cd /home/oracle/FMW_R1/wlserver_10.3/server/binSet your environment using the setWLSEnv script. e.g. on Oracle Enterprise Linux:[oracle@mymachine bin] source setWLSEnv.shStart the WLST interactive console[oracle@mymachine bin] java weblogic.WLSTInitializing WebLogic Scripting Tool (WLST) ...Welcome to WebLogic Server Administration Scripting ShellType help() for help on available commandswls:/offline> Step 2:Enter the WLST commandsConnect to the server wls:> connect('weblogic','password')Change to the Custom root, this is where the AMPooling MBeans are registered wls:> custom()Change to the b4j MBean directorywls:> cd ('oracle.bc4j.mbean.config')Work out the correct directory for the AM configuration you need. This is the difficult bit, not because it's hard to do, but because the names are long. The structure here is such that every child MBean is displayed at the same level as the parent, so for each deployed application there will be many directories shown. In fact, do an ls() command here and you'll see what I mean. Each application will have one MBean for the app as a whole, and then for each deployed configuration in the .xcfg file you'll see: One for the config entry itself, and then one each for Security, DB Connection and AM Pooling. So if you deploy an app with just one configuration you'll see 5 directories, if it has two configurations in the .xcfg you'll see 9 and so on.The directory you are looking for will contain those bits of information you gathered in Step 0, specifically the Application Name, the configuration you are using and the xcfg name: First of all narrow your list to just those directories returned from the ls() command that begin oracle.bc4j.mbean.config:name=AMPool. These identify the AM pooling MBeans for all the deployed applications. Now look for the correct application name e.g. Application=FMWdh_application1The config setting in that sub-list should already be correct and match what you expect e.g. oracle.bc4j.mbean.config=oracle.demo.fmwdh.model.service.common.bc4j.xcfgFinally look for the correct value for the AppModuleConfigType e.g. oracle.bc4j.mbean.config.AppModuleConfigType=DealHelpServiceDeployedNow you have identified the correct directory name, change to that (keep the name on one line of course - I've had to split it across lines here for clarity:wls:> cd ('oracle.bc4j.mbean.config:name=AMPool, type=oracle.bc4j.mbean.config.AppModuleConfigType.AMPoolType, oracle.bc4j.mbean.config=oracle.demo.fmwdh.model.service.common.bc4j.xcfg, Application=FMWdh_application1, oracle.bc4j.mbean.config.AppModuleConfigType=DealHelpServiceDeployed') Now you can actually view the parameter values with a simple ls() commandwls:> ls()And here's the output in which you can view the realtime values of the various pool settings: -rw- AmpoolConnectionstrategyclass oracle.jbo.common.ampool.DefaultConnectionStrategy -rw- AmpoolDoampooling true -rw- AmpoolDynamicjdbccredentials false -rw- AmpoolInitpoolsize 2 -rw- AmpoolIsuseexclusive true -rw- AmpoolMaxavailablesize 40 -rw- AmpoolMaxinactiveage 600000 -rw- AmpoolMaxpoolsize 4096 -rw- AmpoolMinavailablesize 2 -rw- AmpoolMonitorsleepinterval 600000 -rw- AmpoolResetnontransactionalstate true -rw- AmpoolSessioncookiefactoryclass oracle.jbo.common.ampool.DefaultSessionCookieFactory -rw- AmpoolTimetolive 3600000 -rw- AmpoolWritecookietoclient false -r-- ConfigMBean true -rw- ConnectionPoolManager oracle.jbo.server.ConnectionPoolManagerImpl -rw- Doconnectionpooling false -rw- Dofailover false -rw- Initpoolsize 0 -rw- Maxpoolcookieage -1 -rw- Maxpoolsize 4096 -rw- Poolmaxavailablesize 25 -rw- Poolmaxinactiveage 600000 -rw- Poolminavailablesize 5 -rw- Poolmonitorsleepinterval 600000 -rw- Poolrequesttimeout 30000 -rw- Pooltimetolive -1 -r-- ReadOnly false -rw- Recyclethreshold 10 -r-- RestartNeeded false -r-- SystemMBean false -r-- eventProvider true -r-- eventTypes java.lang.String[jmx.attribute.change] -r-- objectName oracle.bc4j.mbean.config:name=AMPool,type=oracle.bc4j.mbean.config.AppModuleConfigType.AMPoolType,oracle.bc4j.mbean.config=oracle.demo.fmwdh.model.service.common.bc4j.xcfg,Application=FMWdh_application1,oracle.bc4j.mbean.config.AppModuleConfigType=DealHelpServiceDeployed -rw- poolClassName oracle.jbo.common.ampool.ApplicationPoolImpl Thanks to Brian Fry on the JDeveloper PM Team who did most of the work to put this sequence of steps together with me badgering him over his shoulder.

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Viewing the NetBeans Central Registry (Part 2)

- by Geertjan

Jens Hofschröer, who has one of the very best NetBeans Platform blogs (if you more or less understand German), and who wrote, sometime ago, the initial version of the Import Statement Organizer, as well as being the main developer of a great gear design & manufacturing tool on the NetBeans Platform in Aachen, commented on my recent blog entry "Viewing the NetBeans Central Registry", where the root Node of the Central Registry is shown in a BeanTreeView, with the words: "I wrapped that Node in a FilterNode to provide the 'position' attribute and the 'file extension'. All Children are wrapped too. Then I used an OutlineView to show these two properties. Great tool to find wrong layer entries." I asked him for the code he describes above and he sent it to me. He discussed it here in his blog, while all the code involved can be read below. The result is as follows, where you can see that the OutlineView shows information that my simple implementation (via a BeanTreeView) kept hidden: And so here is the definition of the Node. class LayerPropertiesNode extends FilterNode { public LayerPropertiesNode(Node node) { super(node, isFolder(node) ? Children.create(new LayerPropertiesFactory(node), true) : Children.LEAF); } private static boolean isFolder(Node node) { return null != node.getLookup().lookup(DataFolder.class); } @Override public String getDisplayName() { return getLookup().lookup(FileObject.class).getName(); } @Override public Image getIcon(int type) { FileObject fo = getLookup().lookup(FileObject.class); try { DataObject data = DataObject.find(fo); return data.getNodeDelegate().getIcon(type); } catch (DataObjectNotFoundException ex) { Exceptions.printStackTrace(ex); } return super.getIcon(type); } @Override public Image getOpenedIcon(int type) { return getIcon(type); } @Override public PropertySet[] getPropertySets() { Set set = Sheet.createPropertiesSet(); set.put(new PropertySupport.ReadOnly<Integer>( "position", Integer.class, "Position", null) { @Override public Integer getValue() throws IllegalAccessException, InvocationTargetException { FileObject fileEntry = getLookup().lookup(FileObject.class); Integer posValue = (Integer) fileEntry.getAttribute("position"); return posValue != null ? posValue : Integer.valueOf(0); } }); set.put(new PropertySupport.ReadOnly<String>( "ext", String.class, "Extension", null) { @Override public String getValue() throws IllegalAccessException, InvocationTargetException { FileObject fileEntry = getLookup().lookup(FileObject.class); return fileEntry.getExt(); } }); PropertySet[] original = super.getPropertySets(); PropertySet[] withLayer = new PropertySet[original.length + 1]; System.arraycopy(original, 0, withLayer, 0, original.length); withLayer[withLayer.length - 1] = set; return withLayer; } private static class LayerPropertiesFactory extends ChildFactory<FileObject> { private final Node context; public LayerPropertiesFactory(Node context) { this.context = context; } @Override protected boolean createKeys(List<FileObject> list) { FileObject folder = context.getLookup().lookup(FileObject.class); FileObject[] children = folder.getChildren(); List<FileObject> ordered = FileUtil.getOrder(Arrays.asList(children), false); list.addAll(ordered); return true; } @Override protected Node createNodeForKey(FileObject key) { AbstractNode node = new AbstractNode(org.openide.nodes.Children.LEAF, key.isFolder() ? Lookups.fixed(key, DataFolder.findFolder(key)) : Lookups.singleton(key)); return new LayerPropertiesNode(node); } } } Then here is the definition of the Action, which pops up a JPanel, displaying an OutlineView: @ActionID(category = "Tools", id = "de.nigjo.nb.layerview.LayerViewAction") @ActionRegistration(displayName = "#CTL_LayerViewAction") @ActionReferences({ @ActionReference(path = "Menu/Tools", position = 1450, separatorBefore = 1425) }) @Messages("CTL_LayerViewAction=Display XML Layer") public final class LayerViewAction implements ActionListener { @Override public void actionPerformed(ActionEvent e) { try { Node node = DataObject.find(FileUtil.getConfigRoot()).getNodeDelegate(); node = new LayerPropertiesNode(node); node = new FilterNode(node) { @Override public Component getCustomizer() { LayerView view = new LayerView(); view.getExplorerManager().setRootContext(this); return view; } @Override public boolean hasCustomizer() { return true; } }; NodeOperation.getDefault().customize(node); } catch (DataObjectNotFoundException ex) { Exceptions.printStackTrace(ex); } } private static class LayerView extends JPanel implements ExplorerManager.Provider { private final ExplorerManager em; public LayerView() { super(new BorderLayout()); em = new ExplorerManager(); OutlineView view = new OutlineView("entry"); view.addPropertyColumn("position", "Position"); view.addPropertyColumn("ext", "Extension"); add(view); } @Override public ExplorerManager getExplorerManager() { return em; } } }

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How to write a Mork File Format file in Java?

- by Sumit Ghosh

Iam working on a project which involves writing a Mork File (Mork is a database format used by Mozilla to store url history and other information.) It has been replaced by an enhanced version of SQLite in latest Mozilla 3.0. Now I have the code for parsing a Mork File , but Iam struggling a bit with this part of the the file. <(A9=3)(81=)([email protected])(80=0)(85=2)(86=4ac18267)(83=1) (87=Mark)(88=Colbath)(89=Mark Colbath)([email protected])(8B [email protected])(8C=512-282-2509)(8D=+504-9907-1342)(8E=512-282-2510) (8F=512-282-2511)(90=512-282-2512)(91=Two Blocks Past Oxen Team)(92 =Villa Alicia)(93=Siguatepeque)(94=Comayagua)(95=NA)(96=Honduras) (97=9309 Heatherwood Dr)(98=Apartment 1)(99=Austin)(9A=TX)(9B=78748) (9C=USA)(9D=Programmer)(9E=Programming)(9F=MPC Solutions)(A0 =rentaprogrammer)(A1=http://www.mpcsol.com)(A2 =http://www.jesuslovesthelittlechildren.org)(A3=Hannah)(A4=John) (A5=Faith)(A6=Timothy)(A7=Some notes go here.)(A8 [email protected])> {1:^80 {(k^C0:c)(s=9)} [1:^82(^BF=3)] [1(^83=)(^84=)(^85=)(^86=)(^87=)(^88=)(^89^82)(^8A^82)(^8B=)(^8C=) (^8D=)(^8E=0)(^8F=2)(^90=0)(^91=)(^92=)(^93=)(^94=)(^95=)(^96=) (^97=)(^98=)(^99=)(^9A=)(^9B=)(^9C=)(^9D=)(^9E=)(^9F=)(^A0=)(^A1=) (^A2=)(^A3=)(^A4=)(^A5=)(^A6=)(^A7=)(^A8=)(^A9=)(^AA=)(^AB=)(^AC=) (^AD=)(^AE=)(^AF=)(^B0=)(^B1=)(^B2=)(^B3=)(^B4=)(^B5=)(^B6=)(^B7=) (^B8=)(^B9=)(^BA=)(^BB=)(^BC^86)(^BD=1)] [2(^83^87)(^84^88)(^85=)(^86=)(^87^89)(^88=)(^89^8A)(^8A^8A)(^8B^8B) (^8C=)(^8D=)(^8E=2)(^8F=0)(^90=1)(^91^8C)(^92^8D)(^93^8E)(^94^8F) (^95^90)(^96=)(^97=)(^98=)(^99=)(^9A=)(^9B^91)(^9C^92)(^9D^93)(^9E^94) (^9F=NA)(^A0^96)(^A1^97)(^A2^98)(^A3^99)(^A4=TX)(^A5^9B)(^A6^9C) (^A7^9D)(^A8^9E)(^A9^9F)(^AA^A0)(^AB=)(^AC=)(^AD=)(^AE=)(^AF=)(^B0=) (^B1=)(^B2^A1)(^B3^A2)(^B4=)(^B5=)(^B6=)(^B7^A3)(^B8^A4)(^B9^A5) (^BA^A6)(^BB^A7)(^BC=0)(^BD=2)] [3(^83=)(^84=)(^85=)(^86=)(^87=)(^88=)(^89^A8)(^8A^A8)(^8B=)(^8C=) (^8D=)(^8E=0)(^8F=0)(^90=0)(^91=)(^92=)(^93=)(^94=)(^95=)(^96=) (^97=)(^98=)(^99=)(^9A=)(^9B=)(^9C=)(^9D=)(^9E=)(^9F=)(^A0=)(^A1=) (^A2=)(^A3=)(^A4=)(^A5=)(^A6=)(^A7=)(^A8=)(^A9=)(^AA=)(^AB=)(^AC=) (^AD=)(^AE=)(^AF=)(^B0=)(^B1=)(^B2=)(^B3=)(^B4=)(^B5=)(^B6=)(^B7=) (^B8=)(^B9=)(^BA=)(^BB=)(^BC=0)(^BD=3)]} Can someone tell me how this part of the Mork file relates to the data given below? run: NickName=,LastModifiedDate=4ac18267,FaxNumberType=,BirthMonth=,LastName=,HomePhone=,WorkCountry=,HomePhoneType=,PreferMailFormat=0,CellularNumber=,FamilyName=,[email protected],AnniversaryMonth=,HomeCity=,WorkState=,HomeCountry=,PhoneticFirstName=,PhoneticLastName=,HomeState=,WorkAddress=,WebPage1=,WebPage2=,HomeAddress2=,WorkZipCode=,_AimScreenName=,AnniversaryYear=,WorkPhoneType=,Notes=,WorkAddress2=,WorkPhone=,Custom3=,Custom4=,Custom1=,Custom2=,PagerNumber=,AnniversaryDay=,WorkCity=,AllowRemoteContent=0,CellularNumberType=,FaxNumber=,PopularityIndex=2,FirstName=,SpouseName=,CardType=,Department=,Company=,HomeAddress=,BirthDay=,SecondEmail=,RecordKey=1,DisplayName=,DefaultEmail=,DefaultAddress=,BirthYear=,Category=,PagerNumberType=,[email protected],JobTitle=,HomeZipCode=, NickName=,LastModifiedDate=0,FaxNumberType=,BirthMonth=,LastName=Colbath,HomePhone=+504-9907-1342,WorkCountry=USA,HomePhoneType=,PreferMailFormat=2,CellularNumber=512-282-2512,FamilyName=,[email protected],AnniversaryMonth=,HomeCity=Siguatepeque,WorkState=TX,HomeCountry=Honduras,PhoneticFirstName=,PhoneticLastName=,HomeState=Comayagua,WorkAddress=9309 HeatherwoodDr,WebPage1=http://www.mpcsol.com,WebPage2=http://www.jesuslovesthelittlechildren.org,HomeAddress2=VillaAlicia,WorkZipCode=78748,_AimScreenName=rentaprogrammer,AnniversaryYear=,WorkPhoneType=,Notes=Some notes go here.,WorkAddress2=Apartment 1,WorkPhone=512-282-2509,Custom3=Faith,Custom4=Timothy,Custom1=Hannah,Custom2=John,PagerNumber=512-282-2511,AnniversaryDay=,WorkCity=Austin,AllowRemoteContent=1,CellularNumberType=,FaxNumber=512-282-2510,PopularityIndex=0,FirstName=Mark,SpouseName=,CardType=,Department=Programming,Company=MPC Solutions,HomeAddress=Two Blocks Past Oxen Team,BirthDay=,[email protected],RecordKey=2,DisplayName=Mark Colbath,DefaultEmail=,DefaultAddress=,BirthYear=,Category=,PagerNumberType=,[email protected],JobTitle=Programmer,HomeZipCode=NA, NickName=,LastModifiedDate=0,FaxNumberType=,BirthMonth=,LastName=,HomePhone=,WorkCountry=,HomePhoneType=,PreferMailFormat=0,CellularNumber=,FamilyName=,[email protected],AnniversaryMonth=,HomeCity=,WorkState=,HomeCountry=,PhoneticFirstName=,PhoneticLastName=,HomeState=,WorkAddress=,WebPage1=,WebPage2=,HomeAddress2=,WorkZipCode=,_AimScreenName=,AnniversaryYear=,WorkPhoneType=,Notes=,WorkAddress2=,WorkPhone=,Custom3=,Custom4=,Custom1=,Custom2=,PagerNumber=,AnniversaryDay=,WorkCity=,AllowRemoteContent=0,CellularNumberType=,FaxNumber=,PopularityIndex=0,FirstName=,SpouseName=,CardType=,Department=,Company=,HomeAddress=,BirthDay=,SecondEmail=,RecordKey=3,DisplayName=,DefaultEmail=,DefaultAddress=,BirthYear=,Category=,PagerNumberType=,[email protected],JobTitle=,HomeZipCode=, I have been breaking my head for almost 2 days now, please someone who is part of the mozilla team can help, it would be really appreciated.

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php curl image problem

- by i_dont_wanna_die

$ch = curl_init(); // set URL and other appropriate options curl_setopt($ch, CURLOPT_URL, "https://www.hushmail.com/signup/turingimage?hush_domain=hushmail.com"); curl_setopt($ch, CURLOPT_HEADER, 0); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // grab URL and pass it to the browser curl_exec($ch); // close cURL resource, and free up system resources curl_close($ch); result: ÿØÿàJFIFÿs>CREATOR: gd-jpeg v1.0 (using IJG JPEG v62), default quality ÿÛC $.' ",#(7),01444'9=82<.342ÿÛC 2!!22222222222222222222222222222222222222222222222222ÿÀ<?¯"ÿÄ ÿÄµ}!1AQa"q2‘¡#B±ÁRÑg$3br‚ %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyzƒ„…†‡ˆ‰Š’“”•–—˜™š¢£¤¥¦§¨©ª²³´µ¶·¸¹ºÂÃÄÅÆÇÈÉÊÒÓÔÕÖ×ØÙÚáâãäåæçèéêñòóôõö÷øùúÿÄ ÿÄµw!1AQaq"2B‘¡±Á #3RgbrÑ $4á%ñ&'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz‚ƒ„…†‡ˆ‰Š’“”•–—˜™š¢£¤¥¦§¨©ª²³´µ¶·¸¹ºÂÃÄÅÆÇÈÉÊÒÓÔÕÖ×ØÙÚâãäåæçèéêòóôõö÷øùúÿÚ?ó I ”sôÊ1±Q2Ôö©£¥^:^Zûòä##ƒZvzÅœ7/¤[Ëƒ%À|¯jé¼)&9Öuí^ØIGGœIíÒ»Û±îÎ¤¢›µ×âqÚwI~$Òi©G§8#V¯†.,väñÒŸ™&—ˆ¼/{áû¨í¦+3É”y@œYúoö?Ù.ÿ´¾Óö¿èsV1»iªS‡Ä/«Ïuu¬êÑZ”·hÀe®J8¥¹˜$hÒHÇ€£$×^áw6¥±fÛPû>Ÿuiöh_íiã®Y1iÓÚ¥¶Ñnµˆ ÓÇÚÀ'Ëä>†»/ |/»¾ sª±·€ò#xÿ…v·š¿‡< mö[h”Ücˆ£v>ôªb’|´ÕØÜÕíÈµŸj^–IõÇ ‚Aö¤×JêR.«mh–GNSZ@ŠkÙ+g)¹–Ùã˜Çæ"ù•…xm¬ZŒ·QÙÛ$Í:1)Cwâª…WQ^[ „¹µf¿„t}/SÔ® Ö®M¤i u%¶’I‡5¢Ç^g±²–ú;GÒÚ ç&ã' ¬Mzè}ªX6fBÌiÎ®"·>øãÄÚ’\ÜFWM‰‘ñû œEùy™WKSlcà©u2çT¶8¢]„®È{^k›K¿›Ïòí&o³ÿ®ÂŸ“ëé_Iêé¦7‡î,ZS¥[[J©¸cI¯Öem]½}#PyìŒ¡_|œÊzÃ¸÷®Dî:Ue;œ©ƒïVWîŠ~¡u åÈ¹TÚò|Ò¨àSØ«rXºGö8%‹æSùÍiÓÂ?yƒµ–°ú…§†ÃYißeónA’åzb§gŸ5æ‡u¥ÊƒdØ–9äÁ®NÒåÿ„bóVµÔ„RÆ|¹mÁÃ2ÿJÒøs8‹WºÜâÙŠŒg®(kGcKZ2å{}çe¢k:J\êv¨ÑÙÜ ¹ `â¹'IšÛên’ÚGyZLp¸=3X¾Ò¡×üEqÜ®#ù™O'šé¦ÕÁ©i§Û*Í¦]ìï÷ˆ<íSk;!rr{±ÜËoêÚF©r–¡·³(e½t>ñTú¬:…½ÍÜ0j’gÌä•P{Jç5bïR¹·µ!qÎ9œ{ñ[º«ƒá3SÒ4Û2“¦GL•oÿ]å¶‡>)ÓP¼V¤:e¶¥àÍFY5q ÓõÁî°X¡÷¬MÃöWZa×´&-i¸‰¡=c?á^—%Ä1øi,’F¡ÄE‚¯g¸ô¯<øyçK>©c'6lsnãò©ìjêyvÖÌáëÙ¾èÔ|7—1Å-G8˜ÈzGW”ÛÇ`z.™²ŠD‰³^ÍàßiqøVÚîyfçQ$„I´g¶~•y%YŒö.Má d†EµGSµÔÉÈ>•. x?L¸ó´‘mç·Ê0ááUæø}á+»‡•î‹Hç,|sI©-sxf×R†òSåÑ¢`Ê¢pFkÊ<®òbMwbxªËZ¿´‚ßG¸[rìD®{-AkáK–-GX¸…ï …if‹(’":GÕÓBŒ¥.h«Gó.1oU±sKÒá×ü_5ö±‹+'ÌèiÁ=+×ïm´[ÃQÙhšÔVÑ0¡`9ì+Ât¿^ivz…²ÇÂõv»J2WééTô5–mnÎI±$Ê6ƒÁæ·ÄAÚì·MÉï±ï7ºXønÛJÔn¾×ö‰H–âC‚F:ikÇZßÃ£Ä“i°™'³šdHïgcù½zWÆ{™ gå„ J–“’=+Ä$ˆcd‘Ì§ï‚¸è{×*-Æ÷ÜÑñ.š^¿ue8›Cg#±ÍS_º*ÿ†,luoÛZê—FYLôôæ´µ1|/®Ë¶Ñ\Û¶L;Ÿ §c‘ZAêzXI%'¶2£ºŠãÆÛo–Aé]¯€.l&¼Õ µXîZÜù!y 1È¬K <^ ·ñs™I6g¤iZ4¨.ô{UHíe'2;`cÔ¥QÔ‡ü#^¸Ó¬$ûEÄ‹Ë”û«sÈ5‘«Iê«nV]bIcU_I—Á9ö¬XXIsmÓ¡r¦Ik;3}ˆa†K‰’QG8UI¯¥tI2ïZéWNÑ·UuVÃ-|î–ú–=¥ñ·’,uáµ_¸ñGˆ ÖÚú{§[Ì`ç§#**Óu-fg%sÕÏÂ}nÔÕn×sÚÔ'á¨9‡\¼_ûi^;&¹ª6æ7÷<ÿ¬5oEñ.ªšÅ¯ªN"ßón“ŒUÒ¡YÅ¸Ì¨FvÑ…¨Èÿ5[H#‘¯â¹BnÌ„•WPø›q—+ù2^«$q¤Ÿ¼‡Sú×›I_^ê±–K©deí’vŒõ«&Ñít{è¢µÔ’ùdŒHÒ'b{W\0ÑMsêÍT—,k~(oÌ÷:œ 'HP˜úSQIÜi÷S²··!»³ViI€\=ê=7Ã·w7¶gÜÚ\"Ü¡0‡ç8ãÔx‡Âš¯†îwÖì#ÄÀ„‘œ[®DùS/IÙw }Ö«!ˆ(ÜXt=é¶·sXSGunÛfˆîFô5¹‰ ƒÃwºRé±+Ü…e<ñëYi—wV77°ÄZSÛkÿw=+,Eù5îi®¦¦¥â={ÅòÚÙ]În_~Ø—äÖ5ÕœöW’ZÏIãm¬Á¨â•á•e‰Ê:œ«)Á»]{H} ÇCñ\µíÍÆ%™¤Ã(n Wm¨4‘CÃÓµ#RºÔ.šShWªN<Çôæ™š–ºêÙxŠY!EL»ÉdUOøµCíF°Ç¸Iå ÀG$~5v$—ÄísyutÍ~¡F©ã§áW|75Û“²€]^ëF’Ú,“§Ø®?y±0?fÛ\,0H%´Y‘¸ÙùO·½U$$ã¥jÿhKÿÇØ6ÇåysfvüÙÇi±è5Ê¶I”VH€œ.UXaAijÜ:z^YÂÑIK‡Ü¤ó…ç&³+Röf‹K²……t.Hç>´2¥~…kTCÈ–ía‰eßœfªàoÛ¸c8Í%hÃmhW%s*Jªè )lqãÿ‚ÉSGµ«I'hï6ÊÊ:éÍhêS=íôÒè‘ƒ:%c“#jåÉ$ä’~´•èµ^òâÍ,u’\Á@ù3ßŠ¥Ii×MhÖº2ÂrùË?sT.n¥»I3n`¡AÆ8 *XaA$ô´¤²‡HµÒõ%š;‹‰´–¿s€ÃS¦ÑG[ÆºŠÏê7+øÆ ñ§6¥â9/fH–RÊqáxö®œ;½Ñ>ÂÚk÷:f¡{r¶P©¼B&AôrîÇHÔ[LšÔËj.¤òî$“»íö?‰¯æêL¥ZKÙ¶Œâ¸¶º™íÔ·î‘‹*ú[ÇSJKBÖªèÓÔ5=BÇS0AªÍ2Ù± Uú/N*i|E¬ø†]ûQßoæ 1áO©>•E_*+•Kág|D4–Ôïs¿÷}3Ö¬ÙÂ`mkIMb(De‰ê. ô²,í£ÚòGÎè£Ü¸=óB4V2 nó‘Ô×>&ü«QÇ{n4KkMÇQšó&í_lh • ÷æ¨¶«zÚPÓZv6‚O0F½Zs5³‡K×_N´R–Ñ*²©9Á#šÍÖí"³½Há\)…iHæ¸bî•ÊDñ0Y© C]—º:øfÚ+X&V ûÙ 2úUÊ=Y¯Zéäc«H„ëGj4ËHî¢˜É»äPF©Å\N¬5›wèÿÙ however, if i go to https://www.hushmail.com/signup/turingimage?hush_domain=hushmail.com via browser that's okay. it works, it shows the image. why doesn't php curl work? i just want to learn the reason...

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save as .txt format

- by user1180492

I made a NotePad program. The problem is it doesn't save in .txt format, It save as a file with no format. But it can open .txt files. How can i fix it? Here is my work. import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.util.Scanner; import java.io.*; public class NotePad extends JFrame { private JTextArea noteArea; public static void main(String[] args) { NotePad p = new NotePad(); p.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); p.setSize(500,300); p.setVisible(true); } public NotePad() { super("Java Notepad"); setLayout(new BorderLayout()); noteArea = new JTextArea("",20,20); noteArea.setWrapStyleWord(true); noteArea.setLineWrap(true); Font font = new Font("sanserif", Font.BOLD,14); noteArea.setFont(font); JScrollPane scroller = new JScrollPane(noteArea); scroller.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS); scroller.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER); add(scroller,BorderLayout.CENTER); JMenuBar menuBar = new JMenuBar(); JMenu fileMenu = new JMenu("File"); JMenuItem openMenu = new JMenuItem("Open"); openMenu.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent ae) { JFileChooser openFile = new JFileChooser(); openFile.showOpenDialog(new NotePad()); loadFile(openFile.getSelectedFile()); } }); JMenuItem saveMenu = new JMenuItem("Save"); saveMenu.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent ae) { JFileChooser saveFile = new JFileChooser(); saveFile.showSaveDialog(new NotePad()); fileSaved(saveFile.getSelectedFile()); } }); JMenuItem exitMenu = new JMenuItem("Close"); exitMenu.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent ae) { System.exit(0); } }); fileMenu.add(openMenu); fileMenu.add(saveMenu); fileMenu.add(exitMenu); menuBar.add(fileMenu); this.setJMenuBar(menuBar); } public void loadFile(File file) { noteArea.setText(""); try { BufferedReader read = new BufferedReader(new FileReader(file)); String line = null; while((line =read.readLine())!=null) { noteArea.append(line +"\n"); } read.close(); } catch (Exception e) { System.out.println("Error " + e.toString()); } } public void fileSaved(File file) { try { PrintWriter writer = new PrintWriter(file); String[] lines = noteArea.getText().split("\\n"); for (String ) { writer.println(words); } writer.close(); } catch (Exception e) { System.out.println("Error " + e.toString()); } } } btw I can't post my question because of not explaning the scenario according to the site. So there. Thanks for the help

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jQuery Templates with ASP.NET MVC

- by hajan

In my three previous blogs, I’ve shown how to use Templates in your ASPX website. Introduction to jQuery TemplatesjQuery Templates - tmpl(), template() and tmplItem()jQuery Templates - {Supported Tags}Now, I will show one real-world example which you may use it in your daily work of developing applications with ASP.NET MVC and jQuery. In the following example I will use Pubs database so that I will retrieve values from the authors table. To access the data, I’m using Entity Framework. Let’s pass throughout each step of the scenario: 1. Create new ASP.NET MVC Web application 2. Add new View inside Home folder but do not select a master page, and add Controller for your View 3. BODY code in the HTML <body> <div> <h1>Pubs Authors</h1> <div id="authorsList"></div> </div> </body> As you can see in the body we have only one H1 tag and a div with id authorsList where we will append the data from database. 4. Now, I’ve created Pubs model which is connected to the Pub database and I’ve selected only the authors table in my EDMX model. You can use your own database. 5. Next, lets create one method of JsonResult type which will get the data from database and serialize it into JSON string. public JsonResult GetAuthors() { pubsEntities pubs = new pubsEntities(); var authors = pubs.authors.ToList(); return Json(authors, JsonRequestBehavior.AllowGet); } So, I’m creating object instance of pubsEntities and get all authors in authors list. Then returning the authors list by serializing it to JSON using Json method. The JsonRequestBehaviour.AllowGet parameter is used to make the GET requests from the client become allowed. By default in ASP.NET MVC 2 the GET is not allowed because of security issue with JSON hijacking. 6. Next, lets create jQuery AJAX function which will call the GetAuthors method. We will use $.getJSON jQuery method. <script language="javascript" type="text/javascript"> $(function () { $.getJSON("GetAuthors", "", function (data) { $("#authorsTemplate").tmpl(data).appendTo("#authorsList"); }); }); </script> Once the web page is downloaded, the method will be called. The first parameter of $.getJSON() is url string in our case the method name. The second parameter (which in the example is empty string) is the key value pairs that will be send to the server, and the third function is the callback function or the result which is going to be returned from the server. Inside the callback function we have code that renders data with template which has id #authorsTemplate and appends it to element which has #authorsList ID. 7. The jQuery Template <script id="authorsTemplate" type="text/html"> <div id="author"> ${au_lname} ${au_fname} <div id="address">${address}, ${city}</div> <div id="contractType"> {{if contract}} <font color="green">Has contract with the publishing house</font> {{else}} <font color="red">Without contract</font> {{/if}} <br /> <em> ${printMessage(state)} </em> <br /> </div> </div> </script> As you can see, I have tags containing fields (au_lname, au_fname… etc.) that corresponds to the table in the EDMX model which is the same as in the database. One more thing to note here is that I have printMessage(state) function which is called inside ${ expression/function/field } tag. The printMessage function <script language="javascript" type="text/javascript"> function printMessage(s) { if (s=="CA") return "The author is from California"; else return "The author is not from California"; } </script> So, if state is “CA” print “The author is from California” else “The author is not from California” HERE IS THE COMPLETE ASPX CODE <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>Database Example :: jQuery Templates</title> <style type="text/css"> body { font-family:Verdana,Arial,Courier New, Sans-Serif; color:Black; padding:2px, 2px, 2px, 2px; background-color:#FF9640; } #author { display:block; float:left; text-decoration:none; border:1px solid black; background-color:White; padding:20px 20px 20px 20px; margin-top:2px; margin-right:2px; font-family:Verdana; font-size:12px; width:200px; height:70px;} #address { font-style:italic; color:Blue; font-size:12px; font-family:Verdana; } .author_hover {background-color:Yellow;} </style> <script src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.4.4.min.js" type="text/javascript"></script> <script src="http://ajax.aspnetcdn.com/ajax/jquery.templates/beta1/jquery.tmpl.js" type="text/javascript"></script> <script language="javascript" type="text/javascript"> function printMessage(s) { if (s=="CA") return "The author is from California"; else return "The author is not from California"; } </script> <script id="authorsTemplate" type="text/html"> <div id="author"> ${au_lname} ${au_fname} <div id="address">${address}, ${city}</div> <div id="contractType"> {{if contract}} <font color="green">Has contract with the publishing house</font> {{else}} <font color="red">Without contract</font> {{/if}} <br /> <em> ${printMessage(state)} </em> <br /> </div> </div> </script> <script language="javascript" type="text/javascript"> $(function () { $.getJSON("GetAuthors", "", function (data) { $("#authorsTemplate").tmpl(data).appendTo("#authorsList"); }); }); </script> </head> <body> <div id="title">Pubs Authors</div> <div id="authorsList"></div> </body> </html> So, in the complete example you also have the CSS style I’m using to stylize the output of my page. Here is print screen of the end result displayed on the web page: You can download the complete source code including examples shown in my previous blog posts about jQuery templates and PPT presentation from my last session I had in the local .NET UG meeting in the following DOWNLOAD LINK. Do let me know your feedback. Regards, Hajan

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http request to cgi python script successful, but the script doesn't seem to run

- by chipChocolate.py

I have configured cgi scripts for my apache2 web server. Here is what I want to do: Client uploads the image to the server. (this already works) On success, I want to execute the python script to resize the image. I tried the following and the success function does execute but my python script does not seem to execute: Javascript code that sends the request: var input = document.getElementById('imageLoader'); imageName = input.value; var file = input.files[0]; if(file != undefined){ formData= new FormData(); console.log(formData.length); if(!!file.type.match(/image.*/)){ formData.append("image", file); $.ajax({ url: "upload.php", type: "POST", processData: false, contentType: false, success: function() { var input = document.getElementById('imageLoader'); imageName = input.value; var file = input.files[0]; formData = new FormData(); formData.append("filename", file); $.ajax({ url: "http://localhost/Main/cgi-bin/resize.py", type: "POST", data: formData, processData: false, contentType: false, success: function(data) { console.log(data); } }); // code continues... resize.py: #!/usr/bin/python import cgi import cgitb import Image cgitb.enable() data = cgi.FieldStorage() filename = data.getvalue("filename") im = Image.open("../JS/upload/" + filename) (width, height) = im.size maxWidth = 600 maxHeight = 400 if width > maxWidth: d = float(width) / maxWidth height = int(height / d) width = maxWidth if height > maxHeight: d = float(height) / maxHeight width = int(width / d) height = maxHeight size = (width, height) im = im.resize(size, Image.ANTIALIAS) im.save("../JS/upload/" + filename, quality=100) This is the apache2.conf: <Directory /var/www/html/Main/cgi-bin> AllowOverride None Options +ExecCGI SetHandler cgi-script AddHandler cgi-script .py .cgi Order allow,deny Allow from all </Directory> cgi-bin and python script file permissions: drwxrwxr-x 2 mou mou 4096 Aug 24 03:28 cgi-bin -rwxrwxrwx 1 mou mou 1673 Aug 24 03:28 resize.py Edit: Executing this code $.ajax({ url: "http://localhost/Main/cgi-bin/resize.py", type: "POST", data: formData, // formData = {"filename" : "the filename which was saved in a variable whie the image was uploaded"} processData: false, contentType: false, success: function(data) { alert(data); } }); it alerts the following: <body bgcolor="#f0f0f8"><font color="#f0f0f8" size="-5"> --> <body bgcolor="#f0f0f8"><font color="#f0f0f8" size="-5"> --> --> </font> </font> </font> </script> </object> </blockquote> </pre> </table> </table> </table> </table> </table> </font> </font> </font><body bgcolor="#f0f0f8"> <table width="100%" cellspacing=0 cellpadding=2 border=0 summary="heading"> <tr bgcolor="#6622aa"> <td valign=bottom> <br> <font color="#ffffff" face="helvetica, arial"> <br><big><big><strong><type 'exceptions.TypeError'></strong></big></big></font></td ><td align=right valign=bottom ><font color="#ffffff" face="helvetica, arial">Python 2.7.6: /usr/bin/python<br>Sun Aug 24 17:24:15 2014</font></td></tr></table> <p>A problem occurred in a Python script. Here is the sequence of function calls leading up to the error, in the order they occurred.</p> <table width="100%" cellspacing=0 cellpadding=0 border=0> <tr><td bgcolor="#d8bbff"><big> </big><a href="file:///var/www/html/Main/cgi-bin/resize.py">/var/www/html/Main/cgi-bin/resize.py</a> in <strong><module></strong>()</td></tr> <tr><td><font color="#909090"><tt>  <small>   10</small> <br> </tt></font></td></tr> <tr><td><font color="#909090"><tt>  <small>   11</small> filename = data.getvalue("filename")<br> </tt></font></td></tr> <tr><td bgcolor="#ffccee"><tt>=><small>   12</small> im = Image.open("../JS/upload/" + filename)<br> </tt></td></tr> <tr><td><font color="#909090"><tt>  <small>   13</small> <br> </tt></font></td></tr> <tr><td><font color="#909090"><tt>  <small>   14</small> (width, height) = im.size<br> </tt></font></td></tr> <tr><td><small><font color="#909090">im <em>undefined</em>, <strong>Image</strong> = <module 'Image' from '/usr/lib/python2.7/dist-packages/PILcompat/Image.pyc'>, Image.<strong>open</strong> = <function open>, <strong>filename</strong> = '<font color="#c040c0">\xff\xd8\xff\xe0\x00\x10</font>JFIF<font color="#c040c0">\x00\x01\x01\x00\x00\x01\x00\x01\x00\x00\xff\xdb\x00</font>C<font color="#c040c0">\x00\x06\x04\x05\x06\x05\x04\x06\x06\x05\x06\x07\x07\x06\x08\n\x10\n\n\t\t\n\x14\x0e</font>...<font color="#c040c0">\x94\r\x17\x11</font>b<font color="#c040c0">\xcd\xdc\x1a\xfe\xf1\x05\x1b\x15\xd1</font>R<font color="#c040c0">\xce\xe9</font>*<font color="#c040c0">\xb5\x8e</font>b<font color="#c040c0">\x97\x82\x87</font>R<font color="#c040c0">\xf4\xaa</font>K<font color="#c040c0">\x83</font>6<font color="#c040c0">\xbf\xfb</font>0<font color="#c040c0">\xa0\xb6</font>8<font color="#c040c0">\xa9</font>C<font color="#c040c0">\x86\x8d\x96</font>n+E<font color="#c040c0">\xd3\x7f\x99\xff\xd9</font>'</font></small></td></tr></table> <table width="100%" cellspacing=0 cellpadding=0 border=0> <tr><td bgcolor="#d8bbff"><big> </big><a href="file:///usr/lib/python2.7/dist-packages/PIL/Image.py">/usr/lib/python2.7/dist-packages/PIL/Image.py</a> in <strong>open</strong>(fp='../JS/upload/<font color="#c040c0">\xff\xd8\xff\xe0\x00\x10</font>JFIF<font color="#c040c0">\x00\x01\x01\x00\x00\x01\x00\x01\x00\x00\xff\xdb\x00</font>C<font color="#c040c0">\x00\x06\x04\x05\x06\x05\x04\x06\x06\x05\x06</font>...<font color="#c040c0">\x94\r\x17\x11</font>b<font color="#c040c0">\xcd\xdc\x1a\xfe\xf1\x05\x1b\x15\xd1</font>R<font color="#c040c0">\xce\xe9</font>*<font color="#c040c0">\xb5\x8e</font>b<font color="#c040c0">\x97\x82\x87</font>R<font color="#c040c0">\xf4\xaa</font>K<font color="#c040c0">\x83</font>6<font color="#c040c0">\xbf\xfb</font>0<font color="#c040c0">\xa0\xb6</font>8<font color="#c040c0">\xa9</font>C<font color="#c040c0">\x86\x8d\x96</font>n+E<font color="#c040c0">\xd3\x7f\x99\xff\xd9</font>', mode='r')</td></tr> <tr><td><font color="#909090"><tt>  <small> 1994</small>     if isPath(fp):<br> </tt></font></td></tr> <tr><td><font color="#909090"><tt>  <small> 1995</small>         filename = fp<br> </tt></font></td></tr> <tr><td bgcolor="#ffccee"><tt>=><small> 1996</small>         fp = builtins.open(fp, "rb")<br> </tt></td></tr> <tr><td><font color="#909090"><tt>  <small> 1997</small>     else:<br> </tt></font></td></tr> <tr><td><font color="#909090"><tt>  <small> 1998</small>         filename = ""<br> </tt></font></td></tr> <tr><td><small><font color="#909090"><strong>fp</strong> = '../JS/upload/<font color="#c040c0">\xff\xd8\xff\xe0\x00\x10</font>JFIF<font color="#c040c0">\x00\x01\x01\x00\x00\x01\x00\x01\x00\x00\xff\xdb\x00</font>C<font color="#c040c0">\x00\x06\x04\x05\x06\x05\x04\x06\x06\x05\x06</font>...<font color="#c040c0">\x94\r\x17\x11</font>b<font color="#c040c0">\xcd\xdc\x1a\xfe\xf1\x05\x1b\x15\xd1</font>R<font color="#c040c0">\xce\xe9</font>*<font color="#c040c0">\xb5\x8e</font>b<font color="#c040c0">\x97\x82\x87</font>R<font color="#c040c0">\xf4\xaa</font>K<font color="#c040c0">\x83</font>6<font color="#c040c0">\xbf\xfb</font>0<font color="#c040c0">\xa0\xb6</font>8<font color="#c040c0">\xa9</font>C<font color="#c040c0">\x86\x8d\x96</font>n+E<font color="#c040c0">\xd3\x7f\x99\xff\xd9</font>', <em>global</em> <strong>builtins</strong> = <module '__builtin__' (built-in)>, builtins.<strong>open</strong> = <built-in function open></font></small></td></tr></table><p><strong><type 'exceptions.TypeError'></strong>: file() argument 1 must be encoded string without NULL bytes, not str <br><tt><small>     </small> </tt>args = ('file() argument 1 must be encoded string without NULL bytes, not str',) <br><tt><small>     </small> </tt>message = 'file() argument 1 must be encoded string without NULL bytes, not str'  Does this mean that the formData I am sending over is empty?

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Doctrine 2 Cannot find entites

- by Flyn San

I'm using Kohana 3 and have a /doctrine/Entites folder with my entities inside. When executing the code $product = Doctrine::em()->find('Entities\Product', 1); in my controller, I get the error class_parents(): Class Entities\Product does not exist and could not be loaded Below is the Controller (classes/controller/welcome.php): <?php class Controller_Welcome extends Controller { public function action_index() { $prod = Doctrine::em()->find('Entities\Product', 1); } } Below is the Entity (/doctrine/Entities/Product.php): <?php /** * @Entity * @Table{name="products"} */ class Product { /** @Id @Column{type="integer"} */ private $id; /** @Column(type="string", length="255") */ private $name; public function getId() { return $this->id; } public function setId($id) { $this->id = intval($id); } public function getName() { return $this->name; } public function setName($name) { $this->name = $name; } } Below is the Doctrine module bootstrap file (/modules/doctrine/init.php): class Doctrine { private static $_instance = null; private $_application_mode = 'development'; private $_em = null; public static function em() { if ( self::$_instance === null ) self::$_instance = new Doctrine(); return self::$_instance->_em; } public function __construct() { require __DIR__.'/classes/doctrine/Doctrine/Common/ClassLoader.php'; $classLoader = new \Doctrine\Common\ClassLoader('Doctrine', __DIR__.'/classes/doctrine'); $classLoader->register(); $classLoader = new \Doctrine\Common\ClassLoader('Symfony', __DIR__.'/classes/doctrine/Doctrine'); $classLoader->register(); $classLoader = new \Doctrine\Common\ClassLoader('Entities', APPPATH.'doctrine'); $classLoader->register(); //Set up caching method $cache = $this->_application_mode == 'development' ? new \Doctrine\Common\Cache\ArrayCache : new \Doctrine\Common\Cache\ApcCache; $config = new Configuration; $config->setMetadataCacheImpl( $cache ); $driver = $config->newDefaultAnnotationDriver( APPPATH.'doctrine/Entities' ); $config->setMetadataDriverImpl( $driver ); $config->setQueryCacheImpl( $cache ); $config->setProxyDir( APPPATH.'doctrine/Proxies' ); $config->setProxyNamespace('Proxies'); $config->setAutoGenerateProxyClasses( $this->_application_mode == 'development' ); $dbconf = Kohana::config('database'); $dbconf = reset($dbconf); //Use the first database specified in the config $this->_em = EntityManager::create(array( 'dbname' => $dbconf['connection']['database'], 'user' => $dbconf['connection']['username'], 'password' => $dbconf['connection']['password'], 'host' => $dbconf['connection']['hostname'], 'driver' => 'pdo_mysql', ), $config); } } Any ideas what I've done wrong?

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use of EntityManagerFactory causing duplicate primary key exceptions

- by bradd

Hey guys, my goal is create an EntityManager using properties dependent on which database is in use. I've seen something like this done in all my Google searches(I made the code more basic for the purpose of this question): @PersistenceUnit private EntityManagerFactory emf; private EntityManager em; private Properties props; @PostConstruct public void createEntityManager(){ //if oracle set oracle properties else set postgres properties emf = Persistence.createEntityManagerFactory("app-x"); em = emf.createEntityManager(props); } This works and I can load Oracle or Postgres properties successfully and I can Select from either database. HOWEVER, I am running into issues when doing INSERT statements. Whenever an INSERT is done I get a duplicate primary key exception.. every time! Can anyone shed some light on why this may be happening? Thanks -Brad

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What is the structure of a (Data Access) Service Class

- by jiewmeng

I learnt that I should be using service classes to persist entities into the database instead of putting such logic in models/controllers. I currently made my service class something like class Application_DAO_User { protected $user; public function __construct(User $user) { $this->user = $user } public function edit($name, ...) { $this->user->name = $name; ... $this->em->flush(); } } I wonder if this should be the structure of a service class? where a service object represents a entity/model? Or maybe I should pass a User object everytime I want to do a edit like public static function edit($user, $name) { $user->name = $name; $this->em->flush(); } I am using Doctrine 2 & Zend Framework, but it shouldn't matter

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jQuery Roundabout IE images pixellated

- by luke

Hi at http://lunatestsite.co.uk my jQuery roundabout near the bottom of the homepage is problematic in IE7 and 8 - book cover images blurred/pixellated. http://stackoverflow.com/questions/1985303/ie-image-display-problems/2355921#2355921 suggests something to do with em sizing in IE being the root of it but I don't really understand the conclusion reached there. I don't think opacity is an issue in this. Any help gratefully appreciated, this is more or less last on more checklist for this site! Thanks Edit: fixed by resetting to font-size: 1em before the height and width em declarations for the roundable-movable-item and roundabout-movable-item img. Now working in IE7 and 8.

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EJB-QL query never returning unless another query is run

- by KevMo

I have a strange strange problem. When executing the following EJB-QL query, my ENTIRE application will stop responding to requests, as the query never finishes executing. Query q = em.createQuery("SELECT o from RoomReservation as o WHERE o.deleted = FALSE AND o.room.id IN (Select r.id from Room as r where r.deleted = FALSE AND r.type.name = 'CLASSROOM')"); However, if I execute this query before I execute the other query, it runs without issue. Query dumbQuery = em.createQuery("SELECT o from Room as o WHERE o.deleted = FALSE"); Any idea what in the world is going on?

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Simple Perl script help required.

- by Umar Siddique

I'm looking to create a perl script that I will run on a JavaScript file to automatically change ( ' ) that breaks the script. Example: file.js document.writeln('» <a href="/LINK1" TARGET="_blank">Lorem ipsum lorem 1</a><br>'); document.writeln('» <a href="/LINK2" TARGET="_blank">Lorem ipsum lor'em x em 2</a><br>'); document.writeln('» <a href="/LINK3" TARGET="_blank">Lorem ipsum lorem 3</a><br>'); In 2nd line " Lorem ipsum lor'em x em 2 " contains a single quote which will be removed by script. Rest of the single quotes will be there like " document.writeln(' "

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Are there any code libraries that validate/convert blog comments to XHTML strict?

- by Matthew James Taylor

I am working on a website in PHP where people can make comments similar to a blog, and I only want particular tags to be allowed. Are there any pre-built libraries that process comments and produce valid XHTML Strict code? I would need to do this in JavaScript so I can generate a live preview like Stack Overflow, plus in PHP before saving it to a MySQL database. The allowed HTML tags will be: strong, em, blockquote, and links (rel=nofollow not required) One way would be to allow people to directly enter the HTML into the comment field but I would prefer to use a simple mark up something like this (can be different - this is an example): *strong* _em_ [blockquote] http://www.link.com I want line breaks to be converted to <br />. Are there any code libraries that do the above?

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Purpose of dereferencing a pointer as a parameter in C.

- by Leif Andersen

I recently came along this line of code: CustomData_em_free_block(&em->vdata, &eve->data); And I thought, isn't: a->b just syntactic sugar for: (*a).b With that in mind, this line could be re-written as: CustomData_em_free_block(&(*em).vdata, &(*eve).data); If that's the case, what is the point of passing in &(*a), as a parameter, and not just a? It seems like the pointer equivalent of -(-a) is being passed in in, is there any logic for this? Thank you.

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php cURL POST how to follow location

- by webfac

Hi Guys, I am in a bit of a rut with a cURL issue. The post works greate, the data is POSTED just fine and received ok, but the url of the posted page never appears in the browser after the cURL session is executed, for example look at the following code: $ch = curl_init("http://localhost/eterniti/cart-step-1.php"); curl_setopt($ch, CURLOPT_HEADER, false); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, "error=1&em=$em&fname=$fname&lname=$lname&email1=$email1&email2=$email2&code=$code&area=$area&number=$num&mobile=$mobile&address1=$address1&address2=$address2&address3=$address3&suburb=$suburb&postcode=$postcode&country=$country"); curl_exec($ch); curl_close($ch); The post works fine and I am taken to the cart-step-1.php where I can process the posted data, HOWEVER the location in the URL address bar of the browser remains that of the script page, in this case proc_xxxxxx.php Any ideas how to get the URL address to reflect the page I am actually POSTED to? Thanks a mill

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How to inject JPA EntityManager using spring

- by marcos

Hello all! I have a few questions about jpa + spring integration running on tomcat, i've been looking fo some time and couldn't find any concrete answer, so here it goes: Is it possible to have spring to inject the JPA entityManager object into my DAO class without extending JpaDaoSupport? if yes, does spring manage the transaction in this case? I'm trying to keep spring configuration as simple as possible: <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager"> <property name="entityManagerFactory" ref="em"/> </bean> <bean id="em" class="org.springframework.orm.jpa.LocalEntityManagerFactoryBean"> <property name="persistenceUnitName" value="myPU"/> </bean> EDIT: that was very helpfull, thank you all!

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