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  • Compare two table and find matching columns

    - by Karthick
    Hi, I have two tables table1 and table2, i need to write a select query which will list me the columns that exist in both the tables.(mysql) I need to do for different tables (2 at a time) Is this possible? I tried using INFORMATION_SCHEMA.COLUMNS but am not able to get it right.

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  • How to compare string with const char*?

    - by arzeth
    #include <stdlib.h> #include <stdio.h> #include <iostream> #include <string.h> using namespace std; int main() { string cmd; while(strcmp(cmd.c_str(),"exit")==0 && strcmp(cmd.c_str(),"\exit")==0) { cin>>cmd; cout<<cmd; } return 0; } I am stuck.

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  • How does Ruby's Array.| compare elements for equality?

    - by Max Howell
    Here's some example code: class Obj attr :c, true def == that p '==' that.c == self.c end def <=> that p '<=>' that.c <=> self.c end def equal? that p 'equal?' that.c.equal? self.c end def eql? that p 'eql?' that.c.eql? self.c end end a = Obj.new b = Obj.new a.c = 1 b.c = 1 p [a] | [b] It prints 2 objects but it should print 1 object. None of the comparison methods get called. How is Array.| comparing for equality?

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  • Java, UnmarshallingException caused by XML attribute with special chars: ;ìè+òàù-<^èç°§_>!£$%&/()=?~

    - by segolas
    Hi, my xml file has a tag with an attribute "containsValue" which contains the "special" characters you can see in the subject: <original_msg_body id="msgBodySpecialCharsRule" containsValue=";ìè+òàù-<^èç°§_>!£$%&/()=?~`'#;" /> in my xml schema the attribute has xs:string: <xs:attribute name="containsValue" type="xs:string" /> I use this value inside a Java software which check if this value is contained inside another String. but I always obtain this Exception: javax.xml.bind.UnmarshalException - with linked exception: [org.xml.sax.SAXParseException: The value of attribute "containsValue" associated with an element type "original_msg_body" must not contain the '<' character.] How can I solve it? I've tried changing the attribute type to xs:NMTOKEN, ut I get the same exception. Is there any other type? I think I could change the characters encoding, for example using the HTML representation, like <, but than could be tricky for the string comparison...

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  • XSD and plain text

    - by Paul Knopf
    I have a rest/xml service that gives me the following... <verse-unit unit-id="38009001"> <marker class="begin-verse" mid="v38009001"/> <begin-chapter num="9"/><heading>Judgment on Israel&apos;s Enemies</heading> <begin-block-indent/> <begin-paragraph class="line-group"/> <begin-line/><verse-num begin-chapter="9">1</verse-num>The burden of the word of the <span class="divine-name">Lord</span> is against the land of Hadrach<end-line class="br"/> <begin-line class="indent"/>and Damascus is its resting place.<end-line class="br"/> <begin-line/>For the <span class="divine-name">Lord</span> has an eye on mankind<end-line class="br"/> <begin-line class="indent"/>and on all the tribes of Israel,<footnote id="f1"> A slight emendation yields <i> For to the <span class="divine-name">Lord</span> belongs the capital of Syria and all the tribes of Israel </i> </footnote><end-line class="br"/> </verse-unit> I used visual studio to generate a schema from this and used XSD.EXE to generate classes that I can use to deserialize this mess into programmable stuff. I got everything to work and it is deserialized perfectly (almost). The problem I have is with the random text mixed throughout the child nodes. The generated verse-unit objects gives me a list of objects (begin-line, begin-block-indent, etc), and also another list of string objects that represent the bits of string throughout the xml. Here is my schema <xs:element maxOccurs="unbounded" name="verse-unit"> <xs:complexType mixed="true"> <xs:sequence> <xs:choice maxOccurs="unbounded"> <xs:element name="marker"> <xs:complexType> <xs:attribute name="class" type="xs:string" use="required" /> <xs:attribute name="mid" type="xs:string" use="required" /> </xs:complexType> </xs:element> <xs:element name="begin-chapter"> <xs:complexType> <xs:attribute name="num" type="xs:unsignedByte" use="required" /> </xs:complexType> </xs:element> <xs:element name="heading"> <xs:complexType mixed="true"> <xs:sequence minOccurs="0"> <xs:element name="span"> <xs:complexType> <xs:simpleContent> <xs:extension base="xs:string"> <xs:attribute name="class" type="xs:string" use="required" /> </xs:extension> </xs:simpleContent> </xs:complexType> </xs:element> </xs:sequence> </xs:complexType> </xs:element> <xs:element name="begin-block-indent" /> <xs:element name="begin-paragraph"> <xs:complexType> <xs:attribute name="class" type="xs:string" use="required" /> </xs:complexType> </xs:element> <xs:element name="begin-line"> <xs:complexType> <xs:attribute name="class" type="xs:string" use="optional" /> </xs:complexType> </xs:element> <xs:element name="verse-num"> <xs:complexType> <xs:simpleContent> <xs:extension base="xs:unsignedByte"> <xs:attribute name="begin-chapter" type="xs:unsignedByte" use="optional" /> </xs:extension> </xs:simpleContent> </xs:complexType> </xs:element> <xs:element name="end-line"> <xs:complexType> <xs:attribute name="class" type="xs:string" use="optional" /> </xs:complexType> </xs:element> <xs:element name="end-paragraph" /> <xs:element name="end-block-indent" /> <xs:element name="end-chapter" /> </xs:choice> </xs:sequence> <xs:attribute name="unit-id" type="xs:unsignedInt" use="required" /> </xs:complexType> </xs:element> WHAT I NEED IS THIS. I need the random text that is NOT surrounded by an xml node to be represented by an object so I know the order that everything is in. I know this is complicated, so let me try to simplify it. <field name="test_field_0"> Some text I'm sure you don't want. <subfield>Some text.</subfield> More text you don't want. </field> I need the xsd to generate a field object with items that can have either a text object, or a subfield object. I need to no where the random text is within the child nodes.

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  • error initializing multiple configuration files

    - by lurscher
    Hi, during initialization startup on tomcat, the configurations are: 1) a webapp/WEB-INF/web.xml that imports yummy-servlet.xml in contextConfigLocation (although i'm aware that is not required since the servlet-name is yummy it will try to load yummy-servlet.xml by default) 2) a webapp/WEB-INF/yummy-servlet.xml that imports a spring/applicationContext-hibernate.xml file 3) a webapp/WEB-INF/spring/applicationContext-hibernate.xml that imports a applicationContext-dataSource.xml file 4) a webapp/WEB-INF/spring/applicationContext-dataSource.xml i'm getting errors about Failed to import bean definitions from relative location, but the stack trace is not very explicit about exactly what is the problem, i've been looking at these since yesterday and i really don't see any problem on the files my web.xml: <?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5"> <display-name>hello-spring3-RC1</display-name> <context-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/yummy-servlet.xml</param-value> </context-param> <!-- <context-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/spring/applicationContext-hibernate.xml</param-value> </context-param> --> <!-- Location of the Log4J config file, for initialization and refresh checks. Applied by Log4jConfigListener. --> <context-param> <param-name>log4jConfigLocation</param-name> <param-value>classpath:log4j.properties</param-value> </context-param> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <servlet> <servlet-name>yummy</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>yummy</servlet-name> <url-pattern>*.html</url-pattern> </servlet-mapping> <welcome-file-list> <welcome-file>index.html</welcome-file> </welcome-file-list> </web-app> my yummy-servlet.xml: <?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:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd"> <import resource="spring/applicationContext-hibernate.xml"/> <context:component-scan base-package="com.mine.web.controllers"/> <bean id="jspViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/> <property name="prefix" value="/WEB-INF/jsp/"/> <property name="suffix" value=".jsp"/> </bean> </beans> my applicationContext-hibernate.xml: <?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:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"> <!-- import the dataSource definition --> <import resource="applicationContext-dataSource.xml"/> <!-- Configurer that replaces ${...} placeholders with values from a properties file --> <!-- (in this case, Hibernate-related settings for the sessionFactory definition below) --> <context:property-placeholder location="classpath:jdbc.properties"/> <context:property-placeholder location="classpath:hibernate.properties"/> <!-- Hibernate SessionFactory --> <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean" p:dataSource-ref="dataSource" p:mappingResources="hello.hbm.xml"> <property name="hibernateProperties"> <props> <prop key="hibernate.dialect">${hibernate.dialect}</prop> <prop key="hibernate.show_sql">${hibernate.show_sql}</prop> <prop key="hibernate.generate_statistics">${hibernate.generate_statistics}</prop> </props> </property> <property name="eventListeners"> <map> <entry key="merge"> <bean class="org.springframework.orm.hibernate3.support.IdTransferringMergeEventListener"/> </entry> </map> </property> </bean> <bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate"> <property name="sessionFactory" ref="sessionFactory" /> </bean> <!-- Transaction manager for a single Hibernate SessionFactory (alternative to JTA) --> <bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager" p:sessionFactory-ref="sessionFactory"/> <!-- ========================= BUSINESS OBJECT DEFINITIONS ========================= --> <!-- Activates various annotations to be detected in bean classes: Spring's @Required and @Autowired, as well as JSR 250's @Resource. --> <context:annotation-config/> <!-- Instruct Spring to perform declarative transaction management automatically on annotated classes. --> <tx:annotation-driven transaction-manager="transactionManager"/> <bean id="EntityManager" class="com.mine.persistence.hibernate.HibernateHelloWorldDao"/> </beans> and my applicationContext-dataSource.xml: <?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:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" xmlns:jdbc="http://www.springframework.org/schema/jdbc" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc.xsd"> <!-- Configurer that replaces ${...} placeholders with values from a properties file --> <!-- (in this case, JDBC-related settings for the dataSource definition below) --> <context:property-placeholder location="classpath:jdbc.properties"/> <context:property-placeholder location="classpath:hibernate.properties"/> <!-- data source using apache common dbcp pool manager <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close" p:driverClassName="${jdbc.driverClassName}" p:url="${jdbc.url}" p:username="${jdbc.username}" p:password="${jdbc.password}"/>--> <!-- c3p0 pool manager data source --> <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close"> <property name="driverClass" value="${jdbc.driverClassName}"/> <property name="jdbcUrl" value="${jdbc.url}"/> <property name="user" value="${jdbc.username}"/> <property name="password" value="${jdbc.password}"/> <property name="initialPoolSize" value="${hibernate.c3p0.min_size}"/> <property name="minPoolSize" value="${hibernate.c3p0.min_size}"/> <property name="maxPoolSize" value="${jdbc.maxconn}"/> <property name="idleConnectionTestPeriod" value="150"/> <property name="acquireIncrement" value="1"/> <property name="maxStatements" value="0"/> <property name="numHelperThreads" value="5"/> </bean> </beans> and this is the stack trace: 2010-06-13 12:16:33,526 INFO [org.springframework.web.context.ContextLoader] - < Root WebApplicationContext: initialization started> 2010-06-13 12:16:33,707 INFO [org.springframework.web.context.support.XmlWebAppl icationContext] - <Refreshing Root WebApplicationContext: startup date [Sun Jun 13 12:16:33 GMT-05:00 2010]; root of context hierarchy> 2010-06-13 12:16:34,086 INFO [org.springframework.beans.factory.xml.XmlBeanDefin itionReader] - <Loading XML bean definitions from ServletContext resource [/WEB- INF/yummy-servlet.xml]> 2010-06-13 12:16:34,378 INFO [org.springframework.beans.factory.xml.XmlBeanDefin itionReader] - <Loading XML bean definitions from URL [jndi:/localhost/protoweb/ WEB-INF/spring/applicationContext-hibernate.xml]> 2010-06-13 12:16:34,473 INFO [org.springframework.beans.factory.xml.XmlBeanDefin itionReader] - <Loading XML bean definitions from URL [jndi:/localhost/protoweb/ WEB-INF/spring/applicationContext-dataSource.xml]> 2010-06-13 12:16:35,098 ERROR [org.springframework.web.context.ContextLoader] - <Context initialization failed> org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem: Failed to import bean definitions from relative location [spring/applicationContext-hibernate.xml] Offending resource: ServletContext resource [/WEB-INF/yummy-servlet.xml]; nested exception is org.springframework.beans.factory.BeanDefinitionStoreException: Un expected exception parsing XML document from URL [jndi:/localhost/protoweb/WEB-INF/spring/applicationContext-hibernate.xml]; nested exception is java.lang.NoSuchMethodError: org.springframework.beans.MutablePropertyValues.add(Ljava/lang/Str ing;Ljava/lang/Object;)Lorg/springframework/beans/MutablePropertyValues; at org.springframework.beans.factory.parsing.FailFastProblemReporter.err or(FailFastProblemReporter.java:68) at org.springframework.beans.factory.parsing.ReaderContext.error(ReaderC ontext.java:85) at org.springframework.beans.factory.parsing.ReaderContext.error(ReaderC ontext.java:76) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentRe ader.importBeanDefinitionResource(DefaultBeanDefinitionDocumentReader.java:197) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentRe ader.parseDefaultElement(DefaultBeanDefinitionDocumentReader.java:146) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentRe ader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:131) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentRe ader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:91) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registe rBeanDefinitions(XmlBeanDefinitionReader.java:475) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadB eanDefinitions(XmlBeanDefinitionReader.java:372) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBea nDefinitions(XmlBeanDefinitionReader.java:316) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBea nDefinitions(XmlBeanDefinitionReader.java:284) at org.springframework.beans.factory.support.AbstractBeanDefinitionReade r.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143) at org.springframework.beans.factory.support.AbstractBeanDefinitionReade r.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178) at org.springframework.beans.factory.support.AbstractBeanDefinitionReade r.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149) at org.springframework.web.context.support.XmlWebApplicationContext.load BeanDefinitions(XmlWebApplicationContext.java:125) at org.springframework.web.context.support.XmlWebApplicationContext.load BeanDefinitions(XmlWebApplicationContext.java:93) at org.springframework.context.support.AbstractRefreshableApplicationCon text.refreshBeanFactory(AbstractRefreshableApplicationContext.java:127) at org.springframework.context.support.AbstractApplicationContext.obtain FreshBeanFactory(AbstractApplicationContext.java:429) at org.springframework.context.support.AbstractApplicationContext.refres h(AbstractApplicationContext.java:356) at org.springframework.web.context.ContextLoader.createWebApplicationCon text(ContextLoader.java:270) at org.springframework.web.context.ContextLoader.initWebApplicationConte xt(ContextLoader.java:197) at org.springframework.web.context.ContextLoaderListener.contextInitiali zed(ContextLoaderListener.java:47) at org.apache.catalina.core.StandardContext.listenerStart(StandardContex t.java:3972) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4 467) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase .java:791) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:77 1) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:546) at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:905) at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:740 ) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:500 ) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1277) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java :321) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(Lifecycl eSupport.java:119) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053) at org.apache.catalina.core.StandardHost.start(StandardHost.java:785) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443 ) at org.apache.catalina.core.StandardService.start(StandardService.java:5 19) at org.apache.catalina.core.StandardServer.start(StandardServer.java:710 ) at org.apache.catalina.startup.Catalina.start(Catalina.java:581) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl. java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces sorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414) Caused by: org.springframework.beans.factory.BeanDefinitionStoreException: Unexp ected exception parsing XML document from URL [jndi:/localhost/protoweb/WEB-INF/ spring/applicationContext-hibernate.xml]; nested exception is java.lang.NoSuchMe thodError: org.springframework.beans.MutablePropertyValues.add(Ljava/lang/String ;Ljava/lang/Object;)Lorg/springframework/beans/MutablePropertyValues; at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadB eanDefinitions(XmlBeanDefinitionReader.java:394) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBea nDefinitions(XmlBeanDefinitionReader.java:316) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBea nDefinitions(XmlBeanDefinitionReader.java:284) at org.springframework.beans.factory.support.AbstractBeanDefinitionReade r.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143) at org.springframework.beans.factory.support.AbstractBeanDefinitionReade r.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentRe ader.importBeanDefinitionResource(DefaultBeanDefinitionDocumentReader.java:187) ... 42 more Caused by: java.lang.NoSuchMethodError: org.springframework.beans.MutablePropert yValues.add(Ljava/lang/String;Ljava/lang/Object;)Lorg/springframework/beans/Muta blePropertyValues; at org.springframework.transaction.config.AnnotationDrivenBeanDefinition Parser.registerTransactionManager(AnnotationDrivenBeanDefinitionParser.java:95) at org.springframework.transaction.config.AnnotationDrivenBeanDefinition Parser.access$0(AnnotationDrivenBeanDefinitionParser.java:94) at org.springframework.transaction.config.AnnotationDrivenBeanDefinition Parser$AopAutoProxyConfigurer.configureAutoProxyCreator(AnnotationDrivenBeanDefi nitionParser.java:121) at org.springframework.transaction.config.AnnotationDrivenBeanDefinition Parser.parse(AnnotationDrivenBeanDefinitionParser.java:79) at org.springframework.beans.factory.xml.NamespaceHandlerSupport.parse(N amespaceHandlerSupport.java:72) at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.pa rseCustomElement(BeanDefinitionParserDelegate.java:1327) at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.pa rseCustomElement(BeanDefinitionParserDelegate.java:1317) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentRe ader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:134) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentRe ader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:91) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registe rBeanDefinitions(XmlBeanDefinitionReader.java:475) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadB eanDefinitions(XmlBeanDefinitionReader.java:372) ... 47 more 06/13/2010 12:16:35 PM org.apache.catalina.core.StandardContext start SEVERE: Error listenerStart

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  • XML: How to reprepresent objects with multiple occurences?

    - by savras
    hi, i need to save objects that can occur multiple times. each object is marked with unique identifier. when it is serialized first time all its properties are written. after that only references are used. <actionHistory> <add> <figure id="1" xsi:type="point"> <position x="1" y="2" /> </figure> </add> <change> <target ref="1" /> <property>x</property> <value>3</value> </change> </actionHistory> element 'target' only references to point saved before, but it can contain definition of new figure as well. there is also figure class hierarchy involved. is there any way to express it using xml-schema? any suggestions how to improve code above will be also appreciated.

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  • How to get NSFormatter subclass to work with NSTableColumn sort key and selector?

    - by Andrew
    My setup: I have a sqlite database from which I populate a NSMutableArray of NSDictionary objects this is the DataSource for my NSTableView. One of the columns holds "time", the time is a float that holds seconds. I would like to display the values in this column as minutes:seconds. For instance my data would be 123.4329387 I want to display 2:03 which I have no problem doing with a subclass of NSFormatter (or NSNumberFormatter) applied to my NSTextField in the column. I have sorting set up by using the Table Column Attributes in IB, I just have the sort key set to "time" and the selector set to "compare:" which works fine without the formatter. Currently this gives me something like this when I sort (descending) 1:37, 1:31, 0:10, 0:10, 0:09, 1:30, 1:30, 1:26, 0:09 and similar nonsense, it looks like something is going on but it's definitely not sorted. How do I get the sort to look at the underlying data instead of the formatted value? Alternately, how do I specify a custom sort method and where do I put the code for said method? I have searched around quite a bit and have not found anything to help me out with this problem, any help with this is most appreciated.

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  • Comparing two date ranges within the same table

    - by Danny Herran
    I have a table with sales per store as follows: SQL> select * from sales; ID ID_STORE DATE TOTAL ---------- -------- ---------- -------------------------------------------------- 1 1 2010-01-01 500.00 2 1 2010-01-02 185.00 3 1 2010-01-03 135.00 4 1 2009-01-01 165.00 5 1 2009-01-02 175.00 6 5 2010-01-01 130.00 7 5 2010-01-02 135.00 8 5 2010-01-03 130.00 9 6 2010-01-01 100.00 10 6 2010-01-02 12.00 11 6 2010-01-03 85.00 12 6 2009-01-01 135.00 13 6 2009-01-02 400.00 14 6 2009-01-07 21.00 15 6 2009-01-08 45.00 16 8 2009-01-09 123.00 17 8 2009-01-10 581.00 17 rows selected. What I need to do is to compare two date ranges within that table. Lets say I need to know the differences in sales between 01 Jan 2009 to 10 Jan 2009 AGAINST 01 Jan 2010 to 10 Jan 2010. I'd like to build a query that returns something like this: ID_STORE_A DATE_A TOTAL_A ID_STORE_B DATE_B TOTAL_B ---------- ---------- --------- ---------- ---------- ------------------- 1 2010-01-01 500.00 1 2009-01-01 165.00 1 2010-01-02 185.00 1 2009-01-02 175.00 1 2010-01-03 135.00 1 NULL NULL 5 2010-01-01 130.00 5 NULL NULL 5 2010-01-02 135.00 5 NULL NULL 5 2010-01-03 130.00 5 NULL NULL 6 2010-01-01 100.00 6 2009-01-01 135.00 6 2010-01-02 12.00 6 2009-01-02 400.00 6 2010-01-03 85.00 6 NULL NULL 6 NULL NULL 6 2009-01-07 21.00 6 NULL NULL 6 2009-01-08 45.00 6 NULL NULL 8 2009-01-09 123.00 6 NULL NULL 8 2009-01-10 581.00 So, even if there are no sales in one range or another, it should just fill the empty space with NULL. So far, I've come up with this quick query, but I the "dates" from sales to sales2 sometimes are different in each row: SELECT sales.*, sales2.* FROM sales LEFT JOIN sales AS sales2 ON (sales.id_store=sales2.id_store) WHERE sales.date >= '2010-01-01' AND sales.date <= '2010-01-10' AND sales2.date >= '2009-01-01' AND sales2.date <= '2009-01-10' ORDER BY sales.id_store ASC, sales.date ASC, sales2.date ASC What am I missing?

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  • I deleted a full set of columns in a save, but have the original larger sheet, Can I get that back?

    - by Ben Henley
    I have an original sheet that has over 39000 lines in it. I knocked it down to 1800 lines that I want to improt into my database, however. The Dumb#$$ that I am, I selected only the visible cells and killed like 10 columns that I need. Is there a way to compare to the original sheet using a specific column... i.e. SKU and pull the data from the origianal to put back in the missing columns or do I have to just re-edit the whole thing down again. Please help as this takes a good day or two to minimize. Any and all help is much appreciated. Below is the column list on the edited sheet vs. the original sheet. SKU DESCRIPTION VENDOR PART # RETAIL UNIT CONVERSION RETAIL U/M RETAIL DEPARTMENT VENDOR NAME SELL PACK QUANTITY BREAK SELL PACK FLAG BLISH VENDOR # FINE LINE CLASS ITEM ACTION FLAG PRIMARY UPC STOCK U/M WEIGHT LENGTH WIDTH HEIGHT SHIP-VIA EXCLUSION HAZARDOUS CODE PRICE SUGGESTED RETAIL SKU DESCRIPTION RETAIL UNIT CONVERSION RETAIL U/M RETAIL DEPARTMENT VENDOR NAME SELL PACK QUANTITY BREAK SELL PACK FLAG FINE LINE CLASS HAZARDOUS CODE PRICE SUGGESTED RETAIL RETAIL SENSITIVITY CODE 2ND UPC CODE 3RD UPC CODE 4TH UPC CODE HEADLINE BULLET #1 BULLET #2 BULLET #3 BULLET #4 BULLET #5 BULLET #6 BULLET #7 BULLET #8 BULLET #9 SIZE COLOR CASE QUANTITY PRODUCT LINE Thanks, Ben

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  • SQL Is it possible to setup a column that will contain a value dependent on another column?

    - by Wesley
    I have a table (A) that lists all bundles created off a machine in a day. It lists the date created and the weight of the bundle. I have an ID column, a date column, and a weight column. I also have a table (B) that holds the details related to that machine for the day. In that table (B), I want a column that lists a sum of weights from the other table (A) that the dates match on. So if the machine runs 30 bundles in a day, I'll have 30 rows in table (A) all dated the same day. In table (B) I'll have 1 row detailing other information about the machine for the day plus the column that holds the total bundle weight created for the day. Is there a way to make the total column in table (B) automatically adjust itself whenever a row is added to table (A)? Is this possible to do in the table schema itself rather than in an SQL statement each time a bundle is added? If it's not, what sort of SQL statement do I need? Wes

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  • using dummy row with NOT NULL to solve DEFAULT NULL

    - by Tony38
    I know having DEFAULT NULLS is not a good practice but I have many optional lookup values which are FK in the system so to solve this issue here is what i am doing: I use NOT NULL for every FK / lookup colunms. I have the first row in every lookup table which is PK id = 1 as a dummy row with just "none" in all the columns. This way I can use NOT NULL in my schema and if needed reference to the none row values PK =1 for FKs which do not have any lookup value. Is this a good design or any other work arounds? EDIT: I have: Neighborhood table Postal table. Every neighborhood has a city, so the FK can be NOT NULL. But not every postal code belongs to a neighborhood. Some do, some don't depending on the country. So if i use NOT NULL for the FK between postal and neighborhood then I will be screwed as there has to be some value entered. So what i am doing in essence is: have a row in every table to be a dummy row just to link the FKs. This way row one in neighborhood table will be: n_id = 1 name =none etc... In postal table I can have: postal_code = 3456A3 FK (city) = Moscow FK (neighborhood_id)=1 as a NOT NULL. If I don't have a dummy row in the neighborhood lookup table then I have to declare FK (neighborhood_id) as a Default null column and store blanks in the table. This is an example but there is a huge number of values which will have blanks then in many tables.

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  • Database schemas WAY out of sync - need to get up to date without losing data

    - by Zind
    The problem: we have one application that has a portion which is used by a very small subset of the total users, and that part of the application is running off of a separate database as well. In a perfect world, the schemas of the two databases would be synced up, but such is not the case. Some migrations have been run on the smaller database, most haven't; and furthermore, there is nothing such as revision number to be able to easily identify which have and which haven't. We would like to solve this quandary for future projects. During a discussion we've come up with the following possible plan of action, and I am wondering if anyone knows of any project which has already solved this problem: What we would like to do is create an empty database from the schema of the large fully-migrated database, and then move all of the data from the smaller non-migrated database into that empty one. If it makes things easier, it can probably be assumed for the sake of this problem specifically that no migrations have ever removed anything, only added. Else, if there are other known solutions, I'd like to hear them as well.

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  • How to change XmlSchemaElement.SchemaType (or: difference between SchemaType and ElementSchemaType)

    - by Gregor
    Hey, I'm working on a XML Editor which gets all his information from the corresponding XSD file. To work with the XSD files I use the System.Xml.Schema Namespace (XmlSchema*). Because of an 'xsi:type' attribute in the XML I've to change the XmlSchemaType of an XmlSchemaElement. Until now I use in my code the 'ElementSchemaType' property of 'XmlSchemaElement'. The nice thing about it: it's read only. There is also in 'XmlSchemaElement' an 'SchemaType' property which is not read only, but always null (yes, XmlSchema and XmlSchemaSet are compiled). So how can I change the type of the 'XmlSchemaElement'? Or, also the same question: What is the diffrence between this two porperties? Some technical data: C#, .NET 3.5 The MSDN documentation is nearly the same for both: SchemaType Documentation: Gets or sets the type of the element. This can either be a complex type or a simple type. ElementSchemaType Documentation: Gets an XmlSchemaType object representing the type of the element based on the SchemaType or SchemaTypeName values of the element.

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  • XSD: Different sub-elements depending on attribute/element value

    - by AndiDog
    Another XSD question - how can I achieve that the following XML elements are both valid: <some-element> <type>1</type> <a>...</a> </some-element> <some-element> <type>2</type> <b>...</b> </some-element> The sub-elements (either <a> or <b>) should depend on the content of <type> (could also be an attribute). It would be so simple in RelaxNG - but RelaxNG doesn't support key integrity :( Is there a way to implement this in XSD? Note: XML schema version 1.1 supports <xs:alternative>, which might be a solution, but afaik no reference implementation (e.g. libxml2) supports this yet. So I'm searching for workarounds. The only way I've come up with is: <type>1</type> <some-element type="1"> <!-- simple <xs:choice> between <a> and <b> goes here --> <a>...</a> </some-element> <!-- and now create a keyref between <type> and @type -->

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  • Nested Data XML design

    - by esryl
    Looking to nest (to unlimited levels) elements in XML. Like so: <items> <item> <name>Item One</name> <item> <name>Item Two</name> </item> <item> <name>Item Three</name> <item> <name>Item Four</name> </item> <!-- etc... --> </item> </item> </items> However. While browsing for a solution I noticed in the comments of: http://stackoverflow.com/questions/988139/weird-nesting-in-xml while the above is well formed it would not validate against any sinsible DTD. Two things, what is a better way of nesting similar elements, and secondly what would be the design of the DTD. UPDATE: Would prefer to validate against an XML Schema rather than DTD.

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  • Defining multiple possibilities for the same element

    - by moggi
    Hello, is it possible in XML Schema to define the same element with several different definitions depending on one attribute. As Example: <xsd:element name="Element"> <xsd:complexType> <xsd:sequence> <xsd:attribute name="type" fixed="type1"/> <xsd:seqeuence> </xsd:complexType> </xsd:element> <xsd:element name="Element"> <xsd:complexType> <xsd:sequence> <xsd:attribute name="type" fixed="type2"/> <xsd:attribute name="value" type="xsd:integer"/> <xsd:seqeuence> </xsd:complexType> </xsd:element> <xsd:element name="RootElement"> <xsd:complexType> <xsd:sequence> <xsd:element ref="Element"/> </xsd:sequence> </xsd:complexType> </xsd:element> Or is there any other way to solve this problem. It is important that both definitions are named "Element", because I have an application needing that both elements are named the same way. But there is a second application that needs the additional information for type2.

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  • Logic in the db for maintaining a points system relationship?

    - by MarcusBooster
    I'm making a little web based game and need to determine where to put logic that checks the integrity of some underlying data in the sql database. Each user keeps track of points assigned to him, and points are awarded by various tasks. I keep a record of each task transaction to make sure they're not repeated, and to keep track of the value of the task at the time of completion, since an individual award level my fluctuate over time. My schema looks like this so far: create table player ( player_ID serial primary key, player_Points int not null default 0 ); create table task ( task_ID serial primary key, task_PointsAwarded int not null ); create table task_list ( player_ID int references player(player_ID), task_ID int references task(task_ID), when_completed timestamp default current_timestamp, point_value int not null, --not fk because task value may change later constraint pk_player_task_id primary key (player_ID, task_ID) ); So, the player.player_Points should be the total of all his cumulative task points in the task_list. Now where do I put the logic to enforce this? Should I do away with player.player_Points altogether and do queries every time I want to know the total score? Which seems wasteful since I'll be doing that query a lot over the course of a game. Or, put a trigger in the task_list that automatically updates the player.player_Points? Is that too much logic to have in the database and should just maintain this relationship in the application? Thanks.

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  • comparision of strings

    - by EmiLazE
    i am writing a program, that simulates game mastermind. but i am struggling on how to compare guessed pattern to key pattern. the game conditions are a little bit changed: patterns consist of letters. if an element of guessed pattern is equal to element of key pattern, and also index is equal, then print b. if an element of guessed pattern is equal to element of key pattern, but index is not, then print w. if an element of guessed pattern is not equal to element of key pattern, print dot. in feedback about guessed pattern, 'b's come first, 'w's second, '.'s last. my problem is that i cannot think of a way totally satisfies the answer. for (i=0; i<patternlength; i++) { for (x=0; x<patternlength; x++) { if (guess[i]==key[x] && i==x) printf("b"); if (guess[i]==key[x] && i!=x) printf("w"); if (guess[i]!=key[x]) printf("."); } }

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  • GCC problem with raw double type comparisons

    - by Monomer
    I have the following bit of code, however when compiling it with GCC 4.4 with various optimization flags I get some unexpected results when its run. #include <iostream> int main() { const unsigned int cnt = 10; double lst[cnt] = { 0.0 }; const double v[4] = { 131.313, 737.373, 979.797, 731.137 }; for(unsigned int i = 0; i < cnt; ++i) { lst[i] = v[i % 4] * i; } for(unsigned int i = 0; i < cnt; ++i) { double d = v[i % 4] * i; if(lst[i] != d) { std::cout << "error @ : " << i << std::endl; return 1; } } return 0; } when compiled with: "g++ -pedantic -Wall -Werror -O1 -o test test.cpp" I get the following output: "error @ : 3" when compiled with: "g++ -pedantic -Wall -Werror -O2 -o test test.cpp" I get the following output: "error @ : 3" when compiled with: "g++ -pedantic -Wall -Werror -O3 -o test test.cpp" I get no errors when compiled with: "g++ -pedantic -Wall -Werror -o test test.cpp" I get no errors I do not believe this to be an issue related to rounding, or epsilon difference in the comparison. I've tried this with Intel v10 and MSVC 9.0 and they all seem to work as expected. I believe this should be nothing more than a bitwise compare. If I replace the if-statement with the following: if (static_cast<long long int>(lst[i]) != static_cast<long long int>(d)), and add "-Wno-long-long" I get no errors in any of the optimization modes when run. If I add std::cout << d << std::endl; before the "return 1", I get no errors in any of the optimization modes when run. Is this a bug in my code, or is there something wrong with GCC and the way it handles the double type?

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  • What database table structure should I use for versions, codebases, deployables?

    - by Zac Thompson
    I'm having doubts about my table structure, and I wonder if there is a better approach. I've got a little database for version control repositories (e.g. SVN), the packages (e.g. Linux RPMs) built therefrom, and the versions (e.g. 1.2.3-4) thereof. A given repository might produce no packages, or several, but if there are more than one for a given repository then a particular version for that repository will indicate a single "tag" of the codebase. A particular version "string" might be used to tag a version of the source code in more than one repository, but there may be no relationship between "1.0" for two different repos. So if packages P and Q both come from repo R, then P 1.0 and Q 1.0 are both built from the 1.0 tag of repo R. But if package X comes from repo Y, then X 1.0 has no relationship to P 1.0. In my (simplified) model, I have the following tables (the x_id columns are auto-incrementing surrogate keys; you can pretend I'm using a different primary key if you wish, it's not really important): repository - repository_id - repository_name (unique) ... version - version_id - version_string (unique for a particular repository) - repository_id ... package - package_id - package_name (unique) - repository_id ... This makes it easy for me to see, for example, what are valid versions of a given package: I can join with the version table using the repository_id. However, suppose I would like to add some information to this database, e.g., to indicate which package versions have been approved for release. I certainly need a new table: package_version - version_id - package_id - package_version_released ... Again, the nature of the keys that I use are not really important to my problem, and you can imagine that the data column is "promotion_level" or something if that helps. My doubts arise when I realize that there's really a very close relationship between the version_id and the package_id in my new table ... they must share the same repository_id. Only a small subset of package/version combinations are valid. So I should have some kind of constraint on those columns, enforcing that ... ... I don't know, it just feels off, somehow. Like I'm including somehow more information than I really need? I don't know how to explain my hesitance here. I can't figure out which (if any) normal form I'm violating, but I also can't find an example of a schema with this sort of structure ... not being a DBA by profession I'm not sure where to look. So I'm asking: am I just being overly sensitive?

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