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  • Python - excel - xlwt: colouring every second row

    - by konjo
    Hi, i just finish some MYSQL to excel script with xlwt and I need to colour every second row for easy reading. I have tried this: row = easyxf('pattern: pattern solid, fore_colour blue') for i in range(0,10,2): ws0.row(i).set_style(row) Alone this colouring is fine, but when when I write my data rows are again white. Can some please show me some example 'cuz I m lost in coding :/ Best Regards.

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  • Shopping Cart in Flex 4

    - by chchrist
    I am trying to code a shopping cart using Flex 4. I am at the design process and I need to figure out which design pattern to use. I am thinking of using the Singleton pattern. I will have a Product Value Object where I'll save each product's values and the I'll push each product to an array variable in my Singleton class. Is my logic OK? Is there a better way? Thanks in advance

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  • Learning MVVM for WPF

    - by Mohit Deshpande
    I am now very comfortable with WPF, but I read some articles about MVP and MVVM that find the default project solution ineffective. Then I realized how ineffective it was and how the MVVM pattern is much better. So I want to really learn this pattern. Can I be directed to some resources like maybe a tutorial or a video or something?

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  • Good working habits to observe in project development?

    - by Will Marcouiller
    As my development experience grows, I see fit to stick to best practices from here and there to build somehow my own working practices while observing the conventions, etc. I'm currently working on a project which my goals is to graduate the security access model from an environment's Active Directory to another environment's automatically. I don't know for any of you, but as far as I'm concerned, I meet some real difficulties sticking to only one way, then develop. I mean, I learn something new everyday while visiting SO, and recently wanted to get acquainted with generics. On the other hand, I better know the Façade pattern which proved to be very practical in transactional programming in process systems. This seems to be less practical for desktop application as there are plenty of variables to consider in a desktop application that you don't have to care in transactional programming, as you're playing only with information data. As for my current project, I have: Groups; Organizational Units; Users. Which are all considered an entry in the Active Directory. This points out to be a good candidate for generics, as also approached this way by Bart de Smett's Linq to AD on CodePlex. He has a DirectorySource<T>, and to manage let's say groups, then he instantiate a source with the proper type: var groups = new DirectorySource<Group>(); This seems to be very a good way of doing. Despite, I seem to go from one pattern to another and I don't seem to be able to strictly stick to one. While I'm aware that one must not stay with only one way of doing, since each pattern statisfies certain advantages, while also illustrating disadvantages under some usage conditions, I seem to want to develop with both patterns having a singleton Façade class with the underlying factories which represent the sub systems: GroupsFactory; UsersFactory; OrganizationalUnitsFactory. Each of the factories offers the possible operations for their respective entity (group, user, OU). To make a very long story short, I often have plenty of ideas while developping and this causes me some trouble, as I go from an idea to another feeling completely lost after a while. Yet I understand the advantages and disavantages, I have no trouble choosing from one pattern to another depending on the situation. Nevertheless, when it comes to programming itself, if I'm not part of a team, I feel sometimes like I can't do anything good. That is, because I can't stand not doing something "perfect" the first time. The role I play within the project is both: the project manager and the programmer. I am more comfortable in the project manager role, architectural role, analytical role than the developer's. Has any of you some good habbits to observe in project development? Thanks to you all! =)

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  • Is this a Java DateFormat bug?

    - by anonymous
    The pattern is "dd-MM-yyyy" I think the string "01-01-2010mwwwwwwwwwwwwwww" does not satisfy the pattern, but the following code shows the contrary. Anyone can explain why? public static void main(String[] args) throws Exception { SimpleDateFormat df = new SimpleDateFormat("dd-MM-yyyy"); Date date = df.parse("01-01-2010mwwwwwwwwwwwwwww"); System.out.println(date); } Thanks

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  • Problems using Hibernate and Spring in web application

    - by user628480
    Hi.I'm having NullPointerException trying to getCurrentSession() java.lang.NullPointerException servlets.ControlServlet.doPost(ControlServlet.java:46) javax.servlet.http.HttpServlet.service(HttpServlet.java:709) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) I use Tomcat 5.5 index.jsp page: <%@ page language="java" contentType="text/html; charset=ISO-8859-1"pageEncoding="ISO-8859-1"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title></title> </head> <body> <%@ page import="java.util.List" %> <%@ page import="data.Singer" %> <jsp:useBean id="singer" class="data.Singer" scope="session"/> <jsp:setProperty name="singer" property="*" /> <form action="ControlServlet" method="POST"> <form method=“POST”> Name:<br /> <input type=“text” name="name" /><br /> Type:<br /> <input type=“text” name="type" /><br /> <input type="submit" name="Add song" value="Add song"> <input type="submit" name="save" value="Save" /><br><br> <input type ="submit" name="values" value="Get values" > </form> </body> </html> web.xml <?xml version="1.0" encoding="UTF-8"?> <web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <display-name>webproject</display-name> <context-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/beans.xml, /WEB-INF/conf.xml, /WEB-INF/singers.hbm.xml, /WEB-INF/songs.hbm.xml, /WEB-INF/singerbeans.xml, /WEB-INF/songbeans.xml</param-value> </context-param> <servlet> <servlet-name>context</servlet-name> <servlet-class>org.springframework.web.context.ContextLoaderServlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet> <servlet-name>test</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>test</servlet-name> <url-pattern>*.*</url-pattern> </servlet-mapping> <servlet> <servlet-name>action</servlet-name> <servlet-class>org.apache.struts.action.ActionServlet</servlet-class> <init-param> <param-name>config</param-name> <param-value>/WEB-INF/beans.xml, /WEB-INF/conf.xml, /WEB-INF/singers.hbm.xml, /WEB-INF/songs.hbm.xml, /WEB-INF/singerbeans.xml, /WEB-INF/songbeans.xml</param-value> </init-param> <init-param> <param-name>debug</param-name> <param-value>2</param-value> </init-param> <init-param> <param-name>detail</param-name> <param-value>2</param-value> </init-param> <load-on-startup>2</load-on-startup> </servlet> <servlet> <description> </description> <display-name>ControlServlet</display-name> <servlet-name>ControlServlet</servlet-name> <servlet-class>servlets.ControlServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>action</servlet-name> <url-pattern>*.*</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>ControlServlet</servlet-name> <url-pattern>/ControlServlet</url-pattern> </servlet-mapping> </web-app> ControlServlet.java public class ControlServlet extends HttpServlet { private static final long serialVersionUID = 1L; @Autowired private SingerDao singerdao; public SingerDao getSingerDao() { return singerdao; } public void setSingerDao(SingerDao singerdao) { this.singerdao = singerdao; } public ControlServlet() { super(); // TODO Auto-generated constructor stub } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { if (request.getParameter("values") != null) { response.getWriter().println(singerdao.getDBValues()); } } } and SingerDao.java public class SingerDao implements SingerDaoInterface { @Autowired private SessionFactory sessionFactory; public void setSessionFactory(SessionFactory sessionFactory) { this.sessionFactory = sessionFactory; } public List getDBValues() { Session session = getCurrentSession(); List<Singer> singers = session.createCriteria(Singer.class).list(); return singers; } private org.hibernate.classic.Session getCurrentSession() { return sessionFactory.getCurrentSession(); } public void updateSinger(Singer singer) { Session session = getCurrentSession(); session.update(singer); } public Singer getSinger(int id) { Singer singer = null; Session session = getCurrentSession(); singer = (Singer) session.load(Singer.class, id); return singer; } public void deleteSinger(Singer singer) { Session session = getCurrentSession(); session.delete(singer); } public void insertRow(Singer singer) { Session session = getCurrentSession(); session.save(singer); } } In simple Java Project it works fine.I think sessionFactory doesn't autowires,but why? Thanks all.

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  • Implementing the procducer-consumer with .NET 4.0 new

    - by bitbonk
    With alle the new paralell programming features in .NET 4.0, what would be a a simple and fast way to implement the producer-consumer pattern (where at least one thread is producing and enqueuing task items and one other thread executes (dequeues) these tasks). Can we benfit from all these new APIs? What is your preferred implementation of this pattern?

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  • preg_match , regexp , php , extract text from html

    - by Michael
    I'm trying to extract "Florida (FL)" from http://www.auctionarms.com/search/displayitem.cfm?itemnum=9736364&oh=216543. My code is //get location $pattern = "/(State)<\/i\:<\/td(.*)<\/td/"; preg_match_all($pattern, $htmlContent, $matches); print_r($matches); any idea why is not working ?

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  • Makefile and rm -f file.{ext1,ext2,ext3} issue

    - by ak91
    Hello, Could you explain me, why Makefile rule: clean: rm -f foo.{bar1,bar2,bar3} does not result in removing files: foo.bar1 foo.bar2 and foo.bar3? I believe I saw pattern like that many times in various Makefiles, but I'm currently writing my own Makefile and can't make that rule work correctly (no files are removed). I'm using: gnu make 3.81 gnu bash 4.1.5 Bash evals that pattern as I suspect: $ echo test.{a,b,c} test.a test.b test.c Thanks!

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  • .NET Entire line match.

    - by user93422
    I need to check if entire given input matches given pattern. But wrapping a pattern in ^/$ feels like a hack. Is there a shortcut for: var match = Regex.Match(myInput, "^" + myPattern + "$"); ?

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  • Special Characters Restriction Rule in XSD

    - by Himanshu
    hello how do i,restrict special characters in my XSD validation , i am able to handle , some characters with this pattern "([a-zA-Z0-9_.' !@#$%^*()_+={}|/:;,?/`~ ])+" but not able to handle below : " & ' < \ ® ™ any ideas ? also not able to handle them with [^] pattern

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  • per process configurable core dump directory

    - by Hanno Stock
    Is there a way to configure the directory where core dump files are placed for a specific process? I have a daemon process written in C++ for which I would like to configure the core dump directory. Optionally the filename pattern should be configurable, too. I know about /proc/sys/kernel/core_name_format, however this would change the pattern and directory structure globally. Apache has the directive CoreDumpDirectory - so it seems to be possible.

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  • jQueryt Search for Text in a Variable?

    - by thatryan
    I have a variable that contains some text, some html, basically can be a string. I need to search the variable for a specific string to process that variable differently if it is contained. Here is a snippet of what I am trying to do, does not work obviously :) $.each(data.results, function(i, results) { var text = this.text var pattern = new RegExp("^[SEARCHTERM]$"); if(pattern.test( text ) ) alert(text); //was hoping this would alert the SEARCHTERM if found...

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  • How do I use Ruby metaprogramming to refactor this common code?

    - by James Wenton
    I inherited a project with a lot of badly-written Rake tasks that I need to clean up a bit. Because the Rakefiles are enormous and often prone to bizarre nonsensical dependencies, I'm simplifying and isolating things a bit by refactoring everything to classes. Specifically, that pattern is the following: namespace :foobar do desc "Frozz the foobar." task :frozzify do unless Rake.application.lookup('_frozzify') require 'tasks/foobar' Foobar.new.frozzify end Rake.application['_frozzify'].invoke end # Above pattern repeats many times. end # Several namespaces, each with tasks that follow this pattern. In tasks/foobar.rb, I have something that looks like this: class Foobar def frozzify() # The real work happens here. end # ... Other tasks also in the :foobar namespace. end For me, this is great, because it allows me to separate the task dependencies from each other and to move them to another location entirely, and I've been able to drastically simplify things and isolate the dependencies. The Rakefile doesn't hit a require until you actually try to run a task. Previously this was causing serious issues because you couldn't even list the tasks without it blowing up. My problem is that I'm repeating this idiom very frequently. Notice the following patterns: For every namespace :xyz_abc, there is a corresponding class in tasks/... in the file tasks/[namespace].rb, with a class name that looks like XyzAbc. For every task in a particular namespace, there is an identically named method in the associated namespace class. For example, if namespace :foo_bar has a task :apples, you would expect to see def apples() ... inside the FooBar class, which itself is in tasks/foo_bar.rb. Every task :t defines a "meta-task" _t (that is, the task name prefixed with an underscore) which is used to do the actual work. I still want to be able to specify a desc-description for the tasks I define, and that will be different for each task. And, of course, I have a small number of tasks that don't follow the above pattern at all, so I'll be specifying those manually in my Rakefile. I'm sure that this can be refactored in some way so that I don't have to keep repeating the same idiom over and over, but I lack the experience to see how it could be done. Can someone give me an assist?

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  • Adding user role constraint redirects Browser to jsf.js script?

    - by simgineer
    My JSF form login was working with Constraint 1 however when I added Constraint 2 to my web.xml doing a submit on the form now takes me to a jsf javascript page. Can someone tell me what I am doing wrong? I would like only administrators to be able to access the /admin/* pages and only registered users to access the entire site included admin files. BTW after I see the java script page I can still navigate to the intended page in the browser, I just don't want the user to see the intermediate js page or need to know the target page URL. Constraint 1 <security-constraint> <display-name>Admin</display-name> <web-resource-collection> <url-pattern>/admin/*</url-pattern> </web-resource-collection> <auth-constraint> <role-name>ADMIN</role-name> </auth-constraint> </security-constraint> Constraint 2 <security-constraint> <display-name>Users</display-name> <web-resource-collection> <url-pattern>/*</url-pattern> </web-resource-collection> <auth-constraint> <role-name>USER</role-name> </auth-constraint> </security-constraint> Here is the undesired url I am being redirected to: javax.faces.resource/jsf.js.xhtml?ln=javax.faces&stage=Development Here is the start of the jsf.js.xhtml... /** @project JSF JavaScript Library @version 2.0 @description This is the standard implementation of the JSF JavaScript Library. */ /** * Register with OpenAjax */ if (typeof OpenAjax !== "undefined" && typeof OpenAjax.hub.registerLibrary !== "undefined") { OpenAjax.hub.registerLibrary("jsf", "www.sun.com", "2.0", null); } // Detect if this is already loaded, and if loaded, if it's a higher version if (!((jsf && jsf.specversion && jsf.specversion >= 20000 ) && (jsf.implversion && jsf.implversion >= 3))) { ... Notes I'm using Firefox 10.0.4, Glassfish 3.1 w JSF2.0 lib, j_security_check, and my login realm setup is similar to this

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  • Poor performance / speed of regex with lookahead

    - by Hugo Zaragoza
    I have been observing extremely slow execution times with expressions with several lookaheads. I suppose that this is due to underlying data structures, but it seems pretty extreme and I wonder if I do something wrong or if there are known work-arounds. The problem is determining if a set of words are present in a string, in any order. For example we want to find out if two terms "term1" AND "term2" are somewhere in a string. I do this with the expresion: (?=.*\bterm1\b)(?=.*\bterm2\b) But what I observe is that this is an order of magnitude slower than checking first just \bterm1\b and just then \bterm2\b This seems to indicate that I should use an array of patterns instead of a single pattern with lookaheads... is this right? it seems wrong... Here is an example test code and resulting times: public static void speedLookAhead() { Matcher m, m1, m2; boolean find; int its = 1000000; // create long non-matching string char[] str = new char[2000]; for (int i = 0; i < str.length; i++) { str[i] = 'x'; } String test = str.toString(); // First method: use one expression with lookaheads m = Pattern.compile("(?=.*\\bterm1\\b)(?=.*\\bterm2\\b)").matcher(test); long time = System.currentTimeMillis(); ; for (int i = 0; i < its; i++) { m.reset(test); find = m.find(); } time = System.currentTimeMillis() - time; System.out.println(time); // Second method: use two expressions and AND the results m1 = Pattern.compile("\\bterm1\\b").matcher(test); m2 = Pattern.compile("\\bterm2\\b").matcher(test); time = System.currentTimeMillis(); ; for (int i = 0; i < its; i++) { m1.reset(test); m2.reset(test); find = m1.find() && m2.find(); } time = System.currentTimeMillis() - time; System.out.println(time); } This outputs in my computer: 1754 150

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  • Translate parse_git_branch function to zsh from bash (for prompt)

    - by yar
    I am using this function in Bash function parse_git_branch { git_status="$(git status 2> /dev/null)" pattern="^# On branch ([^${IFS}]*)" if [[ ! ${git_status}} =~ "working directory clean" ]]; then state="*" fi # add an else if or two here if you want to get more specific if [[ ${git_status} =~ ${pattern} ]]; then branch=${BASH_REMATCH[1]} echo "(${branch}${state})" fi } but I'm determined to use zsh. While I can use this perfectly as a shell script (even without a shebang) in my .zshrc the error is a parse error on this line if [[ ! ${git_status}}... What do I need to do to get it ready for zshell? Edit: The "actual error" I'm getting is " parse error near } and it refers to the line with the strange double }}, which works on Bash. Edit: Here's the final code, just for fun: parse_git_branch() { git_status="$(git status 2> /dev/null)" pattern="^# On branch ([^[:space:]]*)" if [[ ! ${git_status} =~ "working directory clean" ]]; then state="*" fi if [[ ${git_status} =~ ${pattern} ]]; then branch=${match[1]} echo "(${branch}${state})" fi } setopt PROMPT_SUBST PROMPT='$PR_GREEN%n@$PR_GREEN%m%u$PR_NO_COLOR:$PR_BLUE%2c$PR_NO_COLOR%(!.#.$)' RPROMPT='$PR_GREEN$(parse_git_branch)$PR_NO_COLOR' Thanks to everybody for your patience and help. Edit: The best answer has schooled us all: git status is porcelain (UI). Good scripting goes against GIT plumbing. Here's the final function: parse_git_branch() { in_wd="$(git rev-parse --is-inside-work-tree 2>/dev/null)" || return test "$in_wd" = true || return state='' git diff-index HEAD --quiet 2>/dev/null || state='*' branch="$(git symbolic-ref HEAD 2>/dev/null)" test -z "$branch" && branch='<detached-HEAD>' echo "(${branch#refs/heads/}${state})" } PROMPT='$PR_GREEN%n@$PR_GREEN%m%u$PR_NO_COLOR:$PR_BLUE%2c$PR_NO_COLOR%(!.#.$)' RPROMPT='$PR_GREEN$(parse_git_branch)$PR_NO_COLOR' Note that only the prompt is zsh-specific. In Bash it would be your prompt plus "\$(parse_git_branch)". This might be slower (more calls to GIT, but that's an empirical question) but it won't be broken by changes in GIT (they don't change the plumbing). And that is very important for a good script moving forward. Days Later: Ugh, it turns out that diff-index HEAD is NOT the same as checking status against working directory clean. So will this mean another plumbing call? I surely don't have time/expertise to write my own porcelain....

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  • .Net regex: what is the word character \w?

    - by tanascius
    Simple question: What is the pattern for the word character \w in c#, .net? My first thought was that it matches [A-Za-z0-9_] and the documentation tells me: Character class Description Pattern Matches \w Matches any \w "I", "D", "A", "1", "3" word character. in "ID A1.3" which is not very helpful. And \w seems to match äöü, too. What else? Is there a better (exact) definition available?

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  • Use Java and RegEx to convert casing in a string

    - by Andreas
    Problem: Turn "my testtext TARGETSTRING my testtext" into "my testtext targetstring my testtext" Perl supports the "\L"-operation which can be used in the replacement-string. The Pattern-Class does not support this operation: Perl constructs not supported by this class: [...] The preprocessing operations \l \u, \L, and \U. http://java.sun.com/j2se/1.4.2/docs/api/java/util/regex/Pattern.html

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  • When NOT to use MVVM?

    - by Vitalij
    I have started using MVVM pattern recently. I have had several projects where I used it and with every new one, I start to see that it will fit great within that new project. And now I start to ask myself are there situation when it's better NOT to use MVVM. Or is it such a nice pattern which you can use anywhere? Could you please describe several scenarios where MVVM wouldn't be the best choice?

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  • Java regex to get part number

    - by Blankman
    I have HTML that I need to extract a part number from, the HTML looks like: javascript:selectItem('ABC123 1', '..... I need to get the ABC123 from the above. My code snippet: Patterp p = Pattern.Compile("?????"); Matcher m = p.matcher(html); if(m.find()) partNumber = m.group(1).trim(); BTW, in the pattern, how do I escape for the character ( I now for quotes I do \" thanks allot!

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