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  • One large file or multiple small files?

    - by Dan
    I have an application (currently written in Python as we iron out the specifics but eventually it will be written in C) that makes use of individual records stored in plain text files. We can't use a database and new records will need to be manually added regularly. My question is this: would it be faster to have a single file (500k-1Mb) and have my application open, loop through, find and close a file OR would it be faster to have the records separated and named using some appropriate convention so that the application could simply loop over filenames to find the data it needs? I know my question is quite general so direction to any good articles on the topic are as appreciated as much as suggestions. Thanks very much in advance for your time, Dan

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  • String to date (Invalid format)

    - by MrThys
    I am using Joda Time library to convert my String dates to a real date, because this seemed like the easiest solution to do this. I am using the DateTime object to do this; new DateTime(strValue); But when inserting some formats it throws me the exception; java.lang.IllegalArgumentException: Invalid format: "Mon, 30 Sep 2002 01:56:02 GMT" java.lang.IllegalArgumentException: Invalid format: "Sun, 29 Sep 2002 19:59:01 GMT" java.lang.IllegalArgumentException: Invalid format: "Mon, 30 Sep 2002 01:52:02 GMT" java.lang.IllegalArgumentException: Invalid format: "Sun, 29 Sep 2002 17:05:20 GMT" java.lang.IllegalArgumentException: Invalid format: "Sun, 29 Sep 2002 19:09:28 GMT" java.lang.IllegalArgumentException: Invalid format: "Sun, 29 Sep 2002 15:01:02 GMT" java.lang.IllegalArgumentException: Invalid format: "Sun, 29 Sep 2002 23:48:33 GMT" java.lang.IllegalArgumentException: Invalid format: "Sun, 29 Sep 2002 17:24:20 GMT" java.lang.IllegalArgumentException: Invalid format: "Sun, 29 Sep 2002 11:13:10 GMT" Is there a way to solve this, or should I use something else instead of DateTime.

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  • Write Tomcat 5.5 output to one of Tomcat's log files

    - by Spiderman
    I'd like that all the output that is shown in Tomcat's console will be saved into a file including the output on startup and shutdown of Tomcat. How can I do this? I looked at apache documentation about logging, Do I need to change something in the logging.properties can I trust log4j to write message from the first message on startup to the last message on shutdown?

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  • How can I map one to one relationship in Fluent NHibernate. I have tried everything else

    - by RM
    I have this table structure and would like to map it using Fluent Hibernate (subclass if possible). I cannot change the structure because the database has too many records and might cause major applications rework. It would be easier if the Id from Party table was a foreign key in person and organization table, but in the particular scenario the database has person and organization key as a foreign key in party table. Any help would be great. Party table Id PersonId OrganizationId Person table Id FName LName Organization table Id OrgName OrgDescription

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  • emacs auctex: can one auto-fill section labels?

    - by Mica
    Hi all, I am currently using emacs and auctex to author my latex documents. This is, of course, fantastic. However, I would like to have emacs and/or auctex auto-fill the section label when using C-c C-e to make a new header. It should end up looking like this: \section{This is a section title} \label{sec:this-is-a-section-title} with the label for the header the same as the title, but with no spaces. I don't know lisp or elisp, and I'd have no idea where to start. If anyone could help that would be great!

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  • HTML Frameset with just one frame and a body

    - by arik-so
    Hello, I am trying to create the following layout: an HTML file with a body, that has a certain width, and a frame, that fills the rest, so, more or less like this: <frameset cols="150px,*"> <body></body> <frame src="source.html" /> </frameset> The thing is, I need the body to have a certain width, not wider, but I also need its elements to be free to move OUTSIDE the body, over the frame, without creating a scrollbar. And I really need the body to be of limited width and the frame to fill the rest. Thanks in advance! EDIT: Okay, I will try to rephrase my problem. What I need, is something that I can put in to the frameset, that is like a border, BUT that is rendered on the main page, and not from a source, something where I can write directly and whose elements can overlap the other frame. I have tried using <noframes> but to no avail...

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  • Spring Security 3.0 - Intercept-URL - All pages require authentication but one

    - by gav
    Hi All, I want any user to be able to submit their name to a volunteer form but only administrators to be able to view any other URL. Unfortunately I don't seem to be able to get this correct. My resources.xml are as follows; <?xml version="1.0" encoding="UTF-8"?> <beans:beans xmlns="http://www.springframework.org/schema/security" xmlns:beans="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-3.0.xsd"> <http realm = "BumBumTrain Personnel list requires you to login" auto-config="true" use-expressions="true"> <http-basic/> <intercept-url pattern="/person/volunteer*" access=""/> <intercept-url pattern="/**" access="isAuthenticated()" /> </http> <authentication-manager alias="authenticationManager"> <authentication-provider> <user-service> <user name="admin" password="admin" authorities="ROLE_ADMIN"/> </user-service> </authentication-provider> </authentication-manager> </beans:beans> Specifically I am trying to achieve the access settings I described via; <intercept-url pattern="/person/volunteer*" access=""/> <intercept-url pattern="/**" access="isAuthenticated()" /> Could someone please describe how to use intercept-url to achieve the outcome I've described? Thanks Gav

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  • Multiple JS effects on one event

    - by Cylindric
    I've got a bunch of Ajax links in a menu that reload a div called #ajaxupdatediv. I want to display another div while that's loading the new content, so how would I fire off both effects? <div id="#ajaxupdatediv"> Content will go here </div> <div id="ajaxloadingdiv"> ...Loading... </div> Here's a bit of the PHP array( 'update' => '#ajaxupdatediv', 'before' => $this->Js->get('#ajaxupdatediv')->effect('fadeOut'), 'complete' => $this->Js->get('#ajaxupdatediv')->effect('fadeIn'), )

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  • JPA @ManyToMany on only one side?

    - by Ethan Leroy
    I am trying to refresh the @ManyToMany relation but it gets cleared instead... My Project class looks like this: @Entity public class Project { ... @ManyToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER) @JoinTable(name = "PROJECT_USER", joinColumns = @JoinColumn(name = "PROJECT_ID", referencedColumnName = "ID"), inverseJoinColumns = @JoinColumn(name = "USER_ID", referencedColumnName = "ID")) private Collection<User> users; ... } But I don't have - and I don't want - the collection of Projects in the User entity. When I look at the generated database tables, they look good. They contain all columns and constraints (primary/foreign keys). But when I persist a Project that has a list of Users (and the users are still in the database), the mapping table doesn't get updated gets updated but when I refresh the project afterwards, the list of Users is cleared. For better understanding: Project project = ...; // new project with users that are available in the db System.out.println(project getUsers().size()); // prints 5 em.persist(project); System.out.println(project getUsers().size()); // prints 5 em.refresh(project); System.out.println(project getUsers().size()); // prints 0 So, how can I refresh the relation between User and Project?

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  • Using one mixin from LESS within another mixin

    - by user1165984
    I am trying to use a mix that calculates the base line height in another that contains my base font styles. Each time I try to compile, I get an error. Here is an example. .lineHeight(@sizeValue){ @remValue: @sizeValue; @pxValue: (@sizeValue * 10); line-height: ~"@{pxValue}px"; line-height: ~"@{remValue}rem"; } .baseFont(@weight: normal, @size: 14px, @lineHeight: (.lineHeight(2.1)) { font-family: @fontFamily; font-size: @size; font-weight: @weight; line-height: @lineHeight; } The error is: TypeError: Cannot call method 'charAt' of undefined at getLocation (/Applications/CodeKit.app/Contents/Resources/engines/less/lib/less/parser.js:212:34) at new LessError (/Applications/CodeKit.app/Contents/Resources/engines/less/lib/less/parser.js:221:19) at Object.toCSS (/Applications/CodeKit.app/Contents/Resources/engines/less/lib/less/parser.js:385:31) at /Applications/CodeKit.app/Contents/Resources/engines/less/bin/lessc:107:28 at /Applications/CodeKit.app/Contents/Resources/engines/less/lib/less/parser.js:434:40 at /Applications/CodeKit.app/Contents/Resources/engines/less/lib/less/parser.js:94:48 at /Applications/CodeKit.app/Contents/Resources/engines/less/lib/less/index.js:116:17 at /Applications/CodeKit.app/Contents/Resources/engines/less/lib/less/parser.js:434:40 at /Applications/CodeKit.app/Contents/Resources/engines/less/lib/less/parser.js:94:48 at /Applications/CodeKit.app/Contents/Resources/engines/less/lib/less/index.js:116:17

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  • Insert rows into MySQL table while changing one value

    - by Jonathan
    Hey all- I have a MySQL table that defines values for a specific customer type. | CustomerType | Key Field 1 | Key Field 2 | Value | Each customer type has 10 values associated with it (based on the other two key fields). I am creating a new customer type (TypeB) that is exactly the same as another customer type (TypeA). I want to insert "TypeB" as the CustomerType but then just copy the values from TypeA's rows for the other three fields. Is there an SQL insert statement to make this happen? Somthing like: insert into customers(customer_type, key1, key2, value) values "TypeB" union select key1, key2, value from customers where customer_type = "TypeA" Thanks- Jonathan

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  • file upload working in one and not the other help

    - by rod
    Hi All, I have a web application which has 2 different versions deployed. 1 is a ASP.Net web forms version and the other is an ASP.Net MVC version I have a File Upload page which dynamically creates a directory folder for the target location of the file to be uploaded to. The application is using Forms Authentication for outside users and Integrated Windows Authentication for inside the network users. I have an issue where a user can upload a file in the ASP.Net Web Forms version fine. But when the same user tries to upload the file in the MVC version the user gets a File.IO permission error. Here's a kicker: I can upload the same file in both versions. The user is in a remote location but I believe they're still inside the network because they can work on the other parts of the application just fine. Possible clues: In the event log there's an info that says Event code:4005 Forms authentication failed for the request. Reason: Ticket supplied was invalid. What would be your initial thoughts on why this is happening? Thanks, Rod.

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  • Unable to create more then one gadget in GateIn portal

    - by Genadii Ganebnyi
    Repost from: Jboss GateIn Discussion. Please refer that post for screenshots. Here what happens when I try to create 2 gadgets: I press "Create a new gadget" Leave content as is and press "Save". As the result gadget gets name "CHANGME" and there is no way to change it. Press "Create a new gadget" and change title to "hello2 ...." Press "Save". New gadget replaces previous gadget in the left menu and gets the same name "CHANGME" with no way to change it Is this a bug or I am doing something wrong?

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  • System.Windows.Forms.DataVisualization Namespace Fine in One Class but Not in Another

    - by jxpx777
    Hi. I'm getting this error The type or namespace name 'DataVisualization' does not exist in the namespace 'System.Windows.Forms' (are you missing an assembly reference?) Here is my using section of the class: using System; using System.Collections; using System.Collections.Generic; using System.Windows.Forms.DataVisualization.Charting; using System.Windows.Forms.DataVisualization.Charting.Borders3D; using System.Windows.Forms.DataVisualization.Charting.ChartTypes; using System.Windows.Forms.DataVisualization.Charting.Data; using System.Windows.Forms.DataVisualization.Charting.Formulas; using System.Windows.Forms.DataVisualization.Charting.Utilities; namespace myNamespace { public class myClass { // Usual class stuff } } The thing is that I am using the same DataVisualization includes in another class. The only thing that I can think that is different is that the classes that are giving this missing namespace error are Solution Items rather than specific to a project. The projects reference them by link. Anyone have thoughts on what the problem is? I've installed the chart component, .Net 3.5 SP1, and the Chart Add-in for Visual Studio 2008. UPDATE: I moved the items from Solution Items to be regular members of my project and I'm still seeing the same behavior. UPDATE 2: Removing the items from the Solution Items and placing them under my project worked. Another project was still referencing the files which is why I didn't think it worked previously. I'm still curious, though, why I couldn't use the namespace when the classes were Solution Items but moving them underneath a project (with no modifications, mind you) instantly made them recognizable. :\

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  • .htaccess more than one command

    - by Stefan
    Hey I have an .htaccess file with the following code: <Files ~ "item|profile|category|search"> ForceType application/x-httpd-php </Files> What I want is to add a re-write rule as well which changes any body who navigates tot he site ot use http://www.domain.com sintead of http://domain.com I have the code stored somewhere else for it however I can't seem to just place in the file as it corrupts? Or just doesn't work... I wish I knew more about .htaccess files How can I add this in? Thanks, Stefan

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  • TRICKEY ONE PLEASE SOLVE

    - by jack
    Create a DTD to record the sellers of merchandise to the Second-hand shop. Each seller has the child elements sellerID (in the format KSXXXXXXX), name, address, phone and sighted_identification. ? the name element has child elements of title and firstname and surname ? the address element has child elements address_line, suburb, state and postcode ? the sighted_identification can be any of the following – passport – drivers licence – birth certificate – Medicare card. –1. Create a DTD to record the sellers of merchandise to the Second-hand shop. Each seller has the child elements sellerID (in the format KSXXXXXXX), name, address, phone and sighted_identification. ? the name element has child elements of title and firstname and surname ? the address element has child elements address_line, suburb, state and postcode ? the sighted_identification can be any of the following – passport – drivers licence – birth certificate – Medicare card. Create an XML document for five sellers including at least two with multiple sighted identifications. 3. Create an XSLT style sheet to logically display all of the seller’s details. Note 1: it may help you to create lists for both sellers and for sighted_identification. Note 2: The shops database stores the sighted identification of sellers as p, dl, bc and mc rather than by their full name, so creating an entity for each type is required. Note 3: Your XSLT should order the sellers by sellerID – for this reason don’t have them ordered correctly in the XML file – rather sort the sellerID within the XSLT. OUTPUT SHOULD BE SOMETHING LIKE THIS SELLER ID : NAME: ADDRESS : PHONE : IDENTIFICATION : IDENTIFICATION : IDENTIFICATION :

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  • NSKeyedUnarchiver chokes when trying to unarchive more than one object

    - by ajduff574
    We've got a custom matrix class, and we're attempting to archive and unarchive an NSArray containing four of them. The first seems to get unarchived fine (we can see that initWithCoder is called once), but then the program simply hangs, using 100% CPU. It doesn't continue or output any errors. These are the relevant methods from the matrix class (rows, columns, and matrix are our only instance variables): -(void)encodeWithCoder:(NSCoder*) coder { float temp[rows * columns]; for(int i = 0; i < rows; i++) { for(int j = 0; j < columns; j++) { temp[columns * i + j] = matrix[i][j]; } } [coder encodeBytes:(const void *)temp length:rows*columns*sizeof(float) forKey:@"matrix"]; [coder encodeInteger:rows forKey:@"rows"]; [coder encodeInteger:columns forKey:@"columns"]; } -(id)initWithCoder:(NSCoder *) coder { if (self = [super init]) { rows = [coder decodeIntegerForKey:@"rows"]; columns = [coder decodeIntegerForKey:@"columns"]; NSUInteger * len; *len = (unsigned int)(rows * columns * sizeof(float)); float * temp = (float * )[coder decodeBytesForKey:@"matrix" returnedLength:len]; matrix = (float ** )calloc(rows, sizeof(float*)); for (int i = 0; i < rows; i++) { matrix[i] = (float*)calloc(columns, sizeof(float)); } for(int i = 0; i < rows *columns; i++) { matrix[i / columns][i % columns] = temp[i]; } } return self; } And this is really all we're trying to do: NSArray * weightMatrices = [NSArray arrayWithObjects:w1,w2,w3,w4,nil]; [NSKeyedArchiver archiveRootObject:weightMatrices toFile:@"weights.archive"]; NSArray * newWeights = [NSKeyedUnarchiver unarchiveObjectWithFile:@"weights.archive"]; What's driving us crazy is that we can archive and unarchive a single matrix just fine. We've done so (successfully) with a matrix many times larger than these four combined.

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  • How to load one div into another.

    - by Vinodtiru
    Hi, I have a page with 10 different div contents in it. Based on my button click i want the 11th div to load content or just take a copy of div 1 to 10. I mean like on button1 it should load div 1 and on button 2 i will load div 2 etc. All my div 1 to 10 will be hidden and the 11th div alone will be visible. I need this because of my below hierarchy. - Main Page (having the 10 div) ->inner div which is loaded by a ajax request.(this has 11th div and buttons) Now on click of any button like 1 to 10 its respective divs is supposed to be loaded from the div in the main page. I would like to do this by java script or jquery. Please let me know any possibilities. Any kind of suggestions or solutions is appreciated.

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  • JSF - 2 a4j:actionParam in one commandlink bug

    - by Yurish
    Hi! I have such structure in my jsp: <h:commandLink action=#{docbean.save}> <a4j:actionParam value="bill_all" assignTo="#{billdoc.billType}"/> <a4j:actionParam value="bill_document" assignTo="#{docbean.doctype}"/> </h:commandLink> While debugging i saw, that billdoc.billtype and docbean.doctype have the same values: "bill_document". Is it bug? If not, then how can i put value to my managed-bean?

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  • How does one enhance Silverlight WritableBitmap quality when replacing UIElements for animations

    - by Stephen Ellis
    I'm doing an animation where I temporarily drop down the visibility of UIElements and overlay WritableBitmap versions of the original Image. The problem I have is that when I do this on element with text, it results in a noticeably blurry and darker image meaning the switch from UIElement to Image is noticeable. Has anyone experienced this and/or know how to deal with this issue?

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  • replace only one variable in web.py templates

    - by Asterisk
    I am passing variable to template in web.py and have the same condition in some places. Like this: $if myvar=="string1": $passed argument1 ............ $if myvar =="striung2": $passed argument2 If say myvar is "string1" and I pass passed = "AAA" then I have AAA argument1 on my page, but the other if statements get replaced by empty string? How to avoid that? I.e. how to leave other statements intact?

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  • Building two executables in one project

    - by Rui Pacheco
    Hi, I've a project that must produce two executables: the main application and an executable that is called by a separate process. I've created the second file in Xcode and added a second target of type Cocoa Shell Tool. I can now build the second executable but when I try to build my project normally I get an error saying there's two executables present: ld: duplicate symbol _main in <path>/SecondExecutable.o and <path>/main.o (<path> was added by me to protect the innocent and their intelectual property). How can I configure Xcode to build both at the same time?

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