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• How do I use the sed command to remove all lines between 2 phrases (including the phrases themselves

  - by fzkl

  I am generating a log from which I want to remove X startup output which looks like this: X.Org X Server 1.7.6 Release Date: 2010-03-17 X Protocol Version 11, Revision 0 Build Operating System: Linux 2.6.31-607-imx51 armv7l Ubuntu Current Operating System: Linux nvidia 2.6.33.2 #1 SMP PREEMPT Mon May 31 21:38:29 PDT 2010 armv7l Kernel command line: mem=448M@0M nvmem=64M@448M mem=512M@512M chipuid=097c81c6425f70d7 vmalloc=320M video=tegrafb console=ttyS0,57600n8 usbcore.old_scheme_first=1 tegraboot=nand root=/dev/nfs ip=:::::usb0:on rw tegra_ehci_probe_delay=5000 smp dvfs tegrapart=recovery:1b80:a00:800,boot:2680:1000:800,environment:3780:40:800,system:38c0:2bc00:800,cache:2f5c0:4000:800,userdata:336c0:c840:800 envsector=3080 Build Date: 23 April 2010 05:19:26PM xorg-server 2:1.7.6-2ubuntu7 (Bryce Harrington <[email protected]>) Current version of pixman: 0.16.4 Before reporting problems, check http://wiki.x.org to make sure that you have the latest version. Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. (==) Log file: "/var/log/Xorg.0.log", Time: Wed Jun 16 19:52:00 2010 (==) Using config file: "/etc/X11/xorg.conf" (==) Using config directory: "/usr/lib/X11/xorg.conf.d" Is there any way to do this without manually checking pattern for each line?

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• Can I load a UIImage from a URL?

  - by progrmr

  I have a URL for an image (got it from UIImagePickerController) but I no longer have the image in memory (the URL was saved from a previous run of the app). Can I reload the UIImage from the URL again? I see that UIImage has a imageWithContentsOfFile: but I have a URL. Can I use NSData's dataWithContentsOfURL: to read the URL? EDIT based on @Daniel's answer I tried the following code but it doesn't work... NSLog(@"%s %@", __PRETTY_FUNCTION__, photoURL); if (photoURL) { NSURL* aURL = [NSURL URLWithString:photoURL]; NSData* data = [[NSData alloc] initWithContentsOfURL:aURL]; self.photoImage = [UIImage imageWithData:data]; [data release]; } When I ran it the console shows: -[PhotoBox willMoveToWindow:] file://localhost/Users/gary/Library/Application%20Support/iPhone%20Simulator/3.2/Media/DCIM/100APPLE/IMG_0004.JPG *** -[NSURL length]: unrecognized selector sent to instance 0x536fbe0 *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSURL length]: unrecognized selector sent to instance 0x536fbe0' Looking at the call stack, I'm calling URLWithString, which calls URLWithString:relativeToURL:, then initWithString:relativeToURL:, then _CFStringIsLegalURLString, then CFStringGetLength, then forwarding_prep_0, then forwarding, then -[NSObject doesNotRecognizeSelector]. Any ideas why my NSString (photoURL's address is 0x536fbe0) doesn't respond to length? Why does it say it doesn't respond to -[NSURL length]? Doesn't it know that param is an NSString, not a NSURL?

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• Core Data, Bindings, value transformers : crash when saving

  - by Gael

  Hi, I am trying to store a PNG image in a core data store backed by an sqlite database. Since I intend to use this database on an iPhone I can't store NSImage objects directly. I wanted to use bindings and an NSValueTransformer subclass to handle the transcoding from the NSImage (obtained by an Image well on my GUI) to an NSData containing the PNG binary representation of the image. I wrote the following code for the ValueTransformer : + (Class)transformedValueClass { return [NSImage class]; } + (BOOL)allowsReverseTransformation { return YES; } - (id)transformedValue:(id)value { if (value == nil) return nil; return [[[NSImage alloc] initWithData:value] autorelease]; } - (id)reverseTransformedValue:(id)value { if (value == nil) return nil; if(![value isKindOfClass:[NSImage class]]) { NSLog(@"Type mismatch. Expecting NSImage"); } NSBitmapImageRep *bits = [[value representations] objectAtIndex: 0]; NSData *data = [bits representationUsingType:NSPNGFileType properties:nil]; return data; } The model has a transformable property configured with this NSValueTransformer. In Interface Builder a table column and an image well are both bound to this property and both have the proper value transformer name (an image dropped in the image well shows up in the table column). The transformer is registered and called every time an image is added or a row is reloaded (checked with NSLog() calls). The problem arises when I am trying to save the managed objects. The console output shows the error message : [NSImage length]: unrecognized selector sent to instance 0x1004933a0 It seems like core data is using the value transformer to obtain the NSImage back from the NSData and then tries to save the NSImage instead of the NSData. There are probably workarounds such as the one presented in this post but I would really like to understand why my approach is flawn. Thanks in advance for your ideas and explanations.

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• Need advice on comparing the performance of 2 equivalent linq to sql queries

  - by uvita

  I am working on tool to optimize linq to sql queries. Basically it intercepts the linq execution pipeline and makes some optimizations like for example removing a redundant join from a query. Of course, there is an overhead in the execution time before the query gets executed in the dbms, but then, the query should be processed faster. I don't want to use a sql profiler because I know that the generated query will be perform better in the dbms than the original one, I am looking for a correct way of measuring the global time between the creation of the query in linq and the end of its execution. Currently, I am using the Stopwatch class and my code looks something like this: var sw = new Stopwatch(); sw.Start(); const int amount = 100; for (var i = 0; i < amount; i++) { ExecuteNonOptimizedQuery(); } sw.Stop(); Console.Writeline("Executing the query {2} times took: {0}ms. On average, each query took: {1}ms", sw.ElapsedMilliseconds, sw.ElapsedMilliseconds / amount, amount); Basically the ExecutenNonOptimizedQuery() method creates a new DataContext, creates a query and then iterates over the results. I did this for both versions of the query, the normal one and the optimized one. I took the idea from this post from Frans Bouma. Is there any other approach/considerations I should take? Thanks in advance!

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• Getting broken link error whle Using App Engine service accounts

  - by jade

  I'm following this tutorial https://developers.google.com/bigquery/docs/authorization#service-accounts-appengine Here is my main.py code import httplib2 from apiclient.discovery import build from google.appengine.ext import webapp from google.appengine.ext.webapp.util import run_wsgi_app from oauth2client.appengine import AppAssertionCredentials # BigQuery API Settings SCOPE = 'https://www.googleapis.com/auth/bigquery' PROJECT_NUMBER = 'XXXXXXXXXX' # REPLACE WITH YOUR Project ID # Create a new API service for interacting with BigQuery credentials = AppAssertionCredentials(scope=SCOPE) http = credentials.authorize(httplib2.Http()) bigquery_service = build('bigquery', 'v2', http=http) class ListDatasets(webapp.RequestHandler): def get(self): datasets = bigquery_service.datasets() listReply = datasets.list(projectId=PROJECT_NUMBER).execute() self.response.out.write('Dataset list:') self.response.out.write(listReply) application = webapp.WSGIApplication( [('/listdatasets(.*)', ListDatasets)], debug=True) def main(): run_wsgi_app(application) if __name__ == "__main__": main() Here is my app.yaml file code application: bigquerymashup version: 1 runtime: python api_version: 1 handlers: - url: /favicon\.ico static_files: favicon.ico upload: favicon\.ico - url: .* script: main.py And yes i have added app engine service account name in google api console Team tab with can edit permissions. When upload the app and try to access the link it says Oops! This link appears to be broken. Ealier i ran this locally and tried to access it using link localhost:8080.Then i thought may be running locally might be giving the error so i uploaded my code to http://bigquerymashup.appspot.com/ but still its giving error.

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• getting an error on jslint while creating a new object using javascript

  - by user3712689

  For some reason this code is giving a lint. I can't really figure out why. It says: 'was expecting a assignment or function call, and instead saw an expression.' What does that mean? window.onload = function (){ function SuspectOne (naam, leeftijd, wie){ this.naam = Spencer Hawes; this.leeftijd = 22; this.wie = zoon van de man; } function SuspectTwo (naam, leeftijd, wie){ this.naam = Tyrone Biggums; this.leeftijd = 28; this.wie = lokale herionejunk; } function SuspectThree (naam, leeftijd, wie){ this.naam = Ellie Campbell Hawes; this.leeftijd = 40; this.wie = vrouw van de man; } var verdachten = new Array[]; verdachten[0] = new Verdachte("Spencer Hawes", 22, "zoon van de man"); verdachten[1] = new Verdachte("Tyrone Biggums", 28, "lokale herionejunk"); verdachten[2] = new Verdachte("Ellie Spencer Hawes", 40, "vrouw van de man"); for(x=0; x<verdachten.length; x++){ console.log("De verdachte is de " + verdachten[x].leeftijd + "jaar oud " + verdachten[x].naam + ", de " + verdachten[x].wie); } }; Can someone help me with this? I would really like a lint free code.

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• google maps not working anymore at the drop of a hat

  - by Vordreller

  2 days ago, I was working on a project that involves google maps. The website showed the maps on the pages just fine. Now, I come back to my workstation, nothing has changed, expect for the fact that the google maps won't show up anymore. The code is identical, nobody has touched my machine since I was gone, I've checked the html, everything is perfect and still this isn't working... The Javascript console is giving no errors and the code is identical to a backup I make everytime I call it a day. 2 days ago it was working, today it isn't. I've even copied the source code, put it into an html file and tried that, but the same result. I'm at a loss here. This is my code: <script type="text/javascript"> //<![CDATA[ var map; var directionsPanel; var directions; function initialize() { if (GBrowserIsCompatible()) { map = new GMap2(document.getElementById("map")); map.addControl(new GLargeMapControl()); map.addControl(new GScaleControl()); map.addControl(new GMapTypeControl()); //the route description directionsPanel = document.getElementById("route"); directions = new GDirections(map, directionsPanel); directions.load({COMMAND}); } } //]]> </script> The {COMMAND} is something that the PHP template will parse, I've checked it, the format is 100% correct and like I allready said, code now is identical to the backup, and if it worked back then, it should work now. Did google update their API overnight and did a function that I use here become deprecated? I don't know what's going on here...

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• Unable to store NSNumber in core data

  - by Kamlesh

  Hi all, I am using Core Data in my application.I have an attribute named PINCode which has property Int64. Now,in my app I take the PIN code from a text field,convert it into NSNumber and try to store as an attribute value for an entity.But I am unable to do so.The exception that it shows on the console is:- Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'Unacceptable type of value for attribute: property = "PINCode"; desired type = NSNumber; given type = NSCFString; value = 121.' Here is the code:- (Conversion to NSNumber):- NSString *str= txtPINCode.text; NSNumber *num = [[NSNumber alloc]init]; int tempNum = [str intValue]; num = [NSNumber numberWithInt:tempNum]; (Storing in core data entity):- NSManagedObjectContext *context = [appDelegate managedObjectContext]; NSManagedObject *newContact; newContact = [NSEntityDescription insertNewObjectForEntityForName:@"MemberTable" inManagedObjectContext:context]; [newContact setValue:num forKey:@"PINCode"]; The app crashes at this point.I am unable to find the reason of crash.I have also tried to check the conversion by the following code:- NSNumber *testNumber = [[NSNumber alloc]init]; id test = num; BOOL testMe = [test isKindOfClass:(Class)testNumber]; Can anybody help me with this?? Thanks in advance.

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• Python: slow read & write for millions of small files

  - by Jami

  I am building directory tree which has tons of subdirectories and files. The total directory count is somewhere along 256^32 subdirectories with 256 files in each end which are only a few bytes long. I did this so I would have fast access to these files (since i'm not searching and i'm just directly accessing then via a known file path) I have a python script that builds this filesystem and reads & writes those files. The problem is that when I reach more than 1Gb of total filesize, the read and write methods become extremely slow. Here's the function I have that reads the contents of a file (the file contains an integer string), adds a certain number to it, then writes it back to the original file. def addInFile(path, scoreToAdd): num = scoreToAdd try: shutil.copyfile(path, '/tmp/tmp.txt') fp = open('/tmp/tmp.txt', 'r') num += int(fp.readlines()[0]) fp.close() except: pass fp = open('/tmp/tmp.txt', 'w') fp.write(str(num)) fp.close() shutil.copyfile('/tmp/tmp.txt', path) I previously tried performing linux console commands but it was slower. I copy the file to a temporary file first then access/modify it then copy it back because i found this was faster than directly accessing the file. I think the cause of the slowdown is because there're tons of files. performing this function 1000 times sometimes reach 1 minute now, but before (when there were only a few files, 1000 calls was performed for only less than 1 second) How do you suggest I fix this?

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• Rich faces3.3.2 is not working in WebSphear 7

  - by palakolanusrinu

  Hi, I'm new to this rich faces and JSF i have developed one sample app and its working fine in tomcat6 now same app i have moved to WebSphear7 here i'm facing the problem. Exception on console: Unable to locate the tag library for uri //richfaces.org/rich" List of jars in build path: Commons-beanutils-1.8.3.jar commons-codec-1.4.jar commons-collections-3.2.1.jar commons-digester-2.0.jar commons-discovery-0.4.jar conmmons-logging.jar jsf-api.jar jsf-impl.jar jstl-1.2.jar jstl-api-1.2.jar jst-impl-1.2.jar richfaces-api-3.3.2.SR1.jar richfaces-impl-3.3.2.SR1.jar richfaces-ui-3.3.2.SR1.jar Web.xml is http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5" bbh index.html index.htm index.jsp default.html default.htm default.jsp Faces Servlet javax.faces.webapp.FacesServlet 1 Faces Servlet *.jsf State saving method: 'client' or 'server' (=default). See JSF Specification 2.5.2 javax.faces.STATE_SAVING_METHOD client javax.servlet.jsp.jstl.fmt.localizationContext resources.application com.sun.faces.config.ConfigureListener Faces Servlet *.faces <context-param> <param-name>org.richfaces.SKIN</param-name> <param-value>blueSky</param-value> </context-param> <filter> <display-name>RichFaces Filter</display-name> <filter-name>richfaces</filter-name> <filter-class>org.ajax4jsf.Filter</filter-class> <init-param> <param-name>createTempFiles</param-name> true maxRequestSize 2000000 richfaces Faces Servlet REQUEST FORWARD INCLUDE My JSP including the tag libs are like <%@taglib uri="http://java.sun.com/jsf/core" prefix="f"% <%@taglib uri="http://java.sun.com/jsf/html" prefix="h"% <%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"% <%@ taglib uri="http://richfaces.org/a4j" prefix="a4j"% <%@ taglib uri="http://richfaces.org/rich" prefix="rich"% Please Help me and thx in advance

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• Java Reflection, java.lang.IllegalAccessException Error

  - by rubby

  Hi all, My goal is : Third class will read the name of the class as String from console.Upon reading the name of the class, it will automatically and dynamically (!) generate that class and call its writeout method. If that class is not read from input, it will not be initialized. And I am taking java.lang.IllegalAccessException: Class deneme.class3 can not access a member of class java.lang.Object with modifiers "protected" error. And i don't know how i can fix it.. Can anyone help me? import java.io.*; import java.lang.reflect.*; class class3 { public void run() { try { BufferedReader reader= new BufferedReader(new InputStreamReader(System.in)); String line=reader.readLine(); Class c1 = Class.forName("java.lang.String"); Object obj = new Object(); Class c2 = obj.getClass(); Method writeout = null; for( Method mth : c2.getDeclaredMethods() ) { writeout = mth; break; } Object o = c2.newInstance(); writeout.invoke( o ); } catch(Exception ee) { System.out.println("ERROR! "+ee); } } public void writeout3() { System.out.println("class3"); } } class class4 { public void writeout4() { System.out.println("class4"); } } class ornek { public static void main(String[] args) { System.out.println("Please Enter Name of Class : "); class3 example = new class3(); example.run(); } }

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• jQuery: hard time to get <embed> element

  - by Patrick

  hi, how can I get the embed element with jQuery ? (I spent enough time trying with "children(), find(), last() jquery functions). This is my code. Until here it works, I would like to get the second children (embed). $('div.filefield-file').each(function(index) { console.log($(this).children()); }); </script> This is HTML code: Scheduling Video <div class="field-item even"> <div class="filefield-file clear-block"><div class="filefield-icon field-icon-video-x-flv"><img class="field-icon-video-x-flv" alt="video/x-flv icon" src="http://localhost/drupal/sites/all/modules/filefield/icons/protocons/16x16/mimetypes/video-x-generic.png"></div><div style="background-color: rgb(255, 255, 255); width: 400px;"><embed style="display: block;" src="/drupal/videoPlayer.swf?file=http://localhost/drupal/sites/default/files/files/projects/Project3/videos/screenshot.flv" type="application/x-shockwave-flash" pluginspage="http://www.adobe.com/go/getflashplayer" bgcolor="#ffffff" allowfullscreen="true" autoplay="true" flashvars="file=http://localhost/drupal/sites/default/files/files/projects/Project3/videos/screenshot.flv" height="400" width="400"><div>screenshot.flv</div></div></div> </div>

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• Has any one used client_side_validations gem with Chosen.js dropdown?

  - by Abid

  I am using chosen.js (http://harvesthq.github.com/chosen/). I was wondering if anyone has been able to use chosen select boxes and client_side_validations together. The issue is that when we use chosen it hides the original select element and renders its own dropdown instead, and when we focus out the validation isn't called and also when the validation message is shown it is shown with the original select element so positioning of the error isnt also correct. What could be a good way to handle this, My be we can change some code inside ActionView::Base.field_error_proc which currently looks something like ActionView::Base.field_error_proc = Proc.new do |html_tag, instance| unless html_tag =~ /^<label/ %{<div class="field_with_errors">#{html_tag}<label for="#{instance.send(:tag_id)}" class="message">#{instance.error_message.first}</label></div>}.html_safe else %{<div class="field_with_errors">#{html_tag}</div>}.html_safe end end Any ideas ? Edit 1: I have the following solution that is working for me now. applied a class "chzn-dropdown" to all my selects that were being displayed by chosen used the following callback provided by client_side_validations Gem clientSideValidations.callbacks.element.fail = function(element, message, callback) { if (element.data('valid') !== false) { if(element.hasClass('dropdown')){ chzn_element = $('#'+element.attr('id')+'_chzn'); console.log(chzn_element); chzn_element.append(""+message+""); } else{ callback(); } } } Thanks

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• Routing problem with calling a new method without an ID

  - by alkaloids

  I'm trying to put together a form_tag that edits several Shift objects. I have the form built properly, and it's passing on the correct parameters. I have verified that the parameters work with updating the objects correctly in the console. However, when I click the submit button, I get the error: ActiveRecord::RecordNotFound in ShiftsController#update_individual Couldn't find Shift without an ID My route for the controller it is calling looks like this looks like this: map.resources :shifts, :collection => { :update_individual => :put } The method in ShiftsController is this: def update_individual Shift.update(params[:shifts].keys, params[:shifts].values) flash[:notice] = "Schedule saved" end The relevant form parts are these: <% form_tag( update_individual_shifts_path ) do %> ... (fields for...) <%= submit_tag "Save" %> <% end %> Why is this not working? If I browse to the url: "http://localhost:3000/shifts/update_individual/5" (or any number that corresponds to an existing shift), I get the proper error about having no parameters set, but when I pass parameters without an ID of some sort, it errors out. How do I make it stop looking for an ID at the end of the URL?

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• how avoids deadlock condition

  - by rima

  Hi I try to write a program like a compiler.In this case I must simulate these codes of SQLPL(This one can be just for example).for example in command prompt i wana do these: c:\> sqlplus .... Enter User-Name:(here we must enter username) xxxx Enter password:(same up)yyyyy ... sql>(now i want to send my sql command to shell)prompt "rima"; "rima" [<-output] sql> prompt "xxxx" sql> exit very simple. I try to use this code: ProcessStartInfo psi = new ProcessStartInfo( @"sqlplus"); psi.UseShellExecute = false; psi.CreateNoWindow = true; psi.RedirectStandardInput = true; psi.RedirectStandardOutput = true; //psi.RedirectStandardError = true; Process process = new Process(); process.StartInfo = psi; bool started = process.Start(); if (started) { process.StandardInput.WriteLine("user/password"); process.StandardInput.Flush(); string ret = process.StandardOutput.ReadLine(); // <-- stalls here System.Console.WriteLine("sqlplus says :" + ret + "\"."); } i find out it form here but as if u read this code has problem!DEADLOCK Condition problem! this is my second time i ask my question,every time my knowledge growing,but i cant get how I can solve my problem at last!!! So I kindly kiss your hand,please help me,these process is not clear for me.any one can give me a code that handle my problem?Already i look at all codes,also I try to use ProcessRunner that in my last post some one offer me,but I cant use it also,i receive an error. I hope by first example u find out what i want,and solve the second code problem... thanks I use C# for implemantation

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• Programmatically added SummaryLinkWebPart doesn't display Links

  - by Mac

  Hi All, I am using below code to Add SummaryLinkWebPart to a Page and also adding few links to that wehbpart. I can see the webpart now on the page but it doesn't have any links inside it. Does anyone know what is wrong with the code? SPLimitedWebPartManager wpm = web.GetLimitedWebPartManager("Pages/default.aspx",PersonalizationScope.Shared); SummaryLinkWebPart slwp = new SummaryLinkWebPart(); for (int counter = 0; counter < list.ItemCount; counter++) { urlField = list.Items[counter]["URL"].ToString().Split(','); SummaryLink link = new SummaryLink(urlField[1].Trim()); slwp.SummaryLinkValue.SummaryLinks.Add(link); slwp.SummaryLinkValue.SummaryLinks[counter].OpenInNewWindow = true; slwp.SummaryLinkValue.SummaryLinks[counter].LinkUrl = urlField[0].Trim(); slwp.SummaryLinkValue.SummaryLinks[counter].Description = urlField[1]; slwp.Style = "Image on left"; Console.WriteLine(link.LinkUrl + link.Title); } wpm.AddWebPart(slwp, lvwp.ZoneID, slwp.ZoneIndex + 1);

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• java logging nightmare and log4j not behaving as expected with spring + tomcat6

  - by maverick

  I have a spring application that has configured log4j (via xml) and that runs on Tomcat6 that was working fine until we add a bunch of dependencies via Maven. At some point the whole application just started logging part of what it was supposed to be declared into the log4.xml "a small rant here" Why logging has to be that hard in java world? why suddenly an application that was just fine start behaving so weird and why it's so freaking hard to debug? I've been reading and trying to solve this issue for days but so far no luck, hopefully some expert here can give me some insights on this I've added log4j debug option to check whether log4j is taking reading the config file and its values and this is what part of it shows log4j: Level value for org.springframework.web is [debug]. log4j: org.springframework.web level set to DEBUG log4j: Retreiving an instance of org.apache.log4j.Logger. log4j: Setting [org.compass] additivity to [true]. log4j: Level value for org.compass is [debug]. log4j: org.compass level set to DEBUG As you can see debug is enabled for compass and spring.web but it only shows "INFO" level for both packages. My log4j config file has nothing out of extraordinary just a plain ConsoleAppender <log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/"> <!-- Appenders --> <appender name="console" class="org.apache.log4j.ConsoleAppender"> <param name="Target" value="System.out" /> <layout class="org.apache.log4j.PatternLayout"> <param name="ConversionPattern" value="%-5p: %c - %m%n" /> </layout> </appender> What's the trick to make this work? What it's my misunderstanding here? Can someone point me in the right direction and explain how can I make this logging mess more bullet proof?

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• Ruby on rails form variables as array items

  - by Francois

  I have a simple form with text input and text area, but when I submit it the variables seems to be array items instead of just string values? the form <%= form_tag(home_kontak_path, :remote => true) do %> <label>Jou epos adres</label> <%= text_field(:epos, "", :placeholder => "Jou epos adres", :id => "epos", :class => "input-block-level") %> <label>Boodskap hier</label> <%= text_area(:boodskap, "", :rows => "5", :placeholder => "Boodskap hier...", :id => "boodskap", :class => "input-block-level") %> <%= submit_tag "submit" %> <% end %> console output Started POST "/home/kontak" for 127.0.0.1 at 2012-11-23 11:53:03 +0200 Processing by HomeController#kontak as JS Parameters: {"utf8"=>"?", "authenticity_token"=>"i+5UWaQeBu7LYGPFBNAbum+67VzyyC82JN2wMlLc/UU=", "epos"=>["text box value"], "boodskap"=>["text area value"], "commit"=>""} what i would like it to be instead of "epos"=["text box value"] i want it to return "epos"="text box value"

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• Is there a way to programmatically tell if particular block of memory was not freed by FastMM?

  - by Wodzu

  I am trying to detect if a block of memory was not freed. Of course, the manager tells me that by dialog box or log file, but what if I would like to store results in a database? For example I would like to have in a database table a names of routines which allocated given blocks. After reading a documentation of FastMM I know that since version 4.98 we have a possibility to be notified by manager about memory allocations, frees and reallocations as they occur. For example OnDebugFreeMemFinish event is passing to us a PFullDebugBlockHeader which contains useful informations. There is one thing that PFullDebugBlockHeader is missing - the information if the given block was freed by the application. Unless OnDebugFreeMemFinish is called only for not freed blocks? This is which I do not know and would like to find out. The problem is that even hooking into OnDebugFreeMemFinish event I was unable to find out if the block was freed or not. Here is an example: program MemLeakTest; {$APPTYPE CONSOLE} uses FastMM4, ExceptionLog, SysUtils; procedure MemFreeEvent(APHeaderFreedBlock: PFullDebugBlockHeader; AResult: Integer); begin //This is executed at the end, but how should I know that this block should be freed //by application? Unless this is executed ONLY for not freed blocks. end; procedure Leak; var MyObject: TObject; begin MyObject := TObject.Create; end; begin OnDebugFreeMemFinish := MemFreeEvent; Leak; end. What I am missing is the callback like: procedure OnMemoryLeak(APointer: PFullDebugBlockHeader); After browsing the source of FastMM I saw that there is a procedure: procedure LogMemoryLeakOrAllocatedBlock(APointer: PFullDebugBlockHeader; IsALeak: Boolean); which could be overriden, but maybe there is an easier way?

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• Strange XCode debugger behavior with UITableView datasource

  - by Tarfa

  Hey guys. I've got a perplexing issue. In my subclassed UITableViewController my datasource methods lose their tableview reference depending on lines of code I put inside the method. For example, in this code block: - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { // Return the number of sections. return 3; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { // Return the number of rows in the section. return 5; } // Customize the appearance of table view cells. - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { id i = tableView; static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; } // Configure the cell... return cell; } the "id i = tableView;" causes the tableview to become nil (0x0) -- and it causes it to be nil before I ever start stepping into the method. If I insert an assignment statement above the "id i = tableview;" statement: CGFloat x = 5.0; id i = tableView; then tableview retains its pointer (i.e. is not nil) if I place the breakpoint after the "id i = tableView;" line. In other words, the breakpoint must be set after the "id i = tableView"; assignment in order for tableView to retain its pointer. If the breakpoint is set before the assignment is made and I just hang at that breakpoint for a bit then after a couple of seconds the console logs this error message: Assertion failed: (cls), function getName, file /SourceCache/objc4_Sim/objc4-427.5/runtime/objc-runtime-new.mm, line 3990. Although the code works when I don't step through the method, I need my debugger to work! It makes programming kind of challenging when your debugging tools become your enemy. Anyone know what the cause and solution are? Thanks.

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• Plist won't copy to documents directory

  - by John

  I have a plist file in my resources group in xcode. I am trying to copy this into my documents directory on app launch. I am using the following code (taken from a sqlite tutorial): BOOL success; NSError *error; NSFileManager *fileManager = [NSFileManager defaultManager]; NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [paths objectAtIndex:0]; NSString *filePath = [documentsDirectory stringByAppendingString:@"ActiveFeedsPlist.plist"]; success = [fileManager fileExistsAtPath:filePath]; if (success) return; NSString *path = [[[NSBundle mainBundle] resourcePath] stringByAppendingFormat:@"ActiveFeedsPlist.plist"]; success = [fileManager copyItemAtPath:path toPath:filePath error:&error]; if (!success) { NSAssert1(0, @"Failed to copy Plist. Error %@", [error localizedDescription]); } I am given the error " * Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Failed to copy Plist. Error Operation could not be completed. No such file or directory'" in the console however. Any idea what is wrong? Thanks

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• How to use log4j for a axis2 webservice

  - by KItis

  I have created a simple axis2 webservice to understand logging functionality in a webservice. in this sample webservice, when a client calls this webservice, first it reads the log4j.property file. then i can see the logs being printed on console. but i have included file appender too into the property file. but i can not file the log file any where in my sample webapplication. i am using tomcat to run the webservice. following is webservice interface method called by client. package test; import java.io.IOException; import java.io.InputStream; import java.util.Properties; import org.apache.log4j.BasicConfigurator; import org.apache.log4j.Logger; import org.apache.log4j.PropertyConfigurator; public class WSInterface { static final Logger logger = Logger.getLogger(WSInterface.class); public String log4jTest(String input){ InputStream inputStream = this.getClass().getClassLoader() .getResourceAsStream(input); Properties properties = new Properties(); System.out.println("InputStream is: " + inputStream); //load the inputStream using the Properties try { properties.load(inputStream); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } PropertyConfigurator.configure(properties); logger.debug("Hello World!"); Class myclass = WSInterface.class; String url = myclass.getResource("WSInterface.class").toString(); String output = ""; return url; } }

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• Rails: Multi-Step New User Signup Form (FSM?)

  - by neezer

  I've read the "Create Multi-Step Wizard" in Advanced Rails Recipes. I've also read and re-read the documentation for the updated FSM I'm using called Workflow, and looked here and here. The Advanced Rails Recipe focuses on records (quizzes) that already exist, and doesn't cover creating new ones. The Workflow docs don't cover any code for controllers or views, so I've no idea what to do with all this model magic, and the last two links barely touch on implementation either. From the aforementioned resources, I have a good understanding of what a FSM in Rails is and how to play with it in the console or IRB, but I've got very little direction or understanding how to implement one into my Rails app. What I would like is this: a simple, multi-step user signup process. Step 1: User enters in their critical details (with validations). Step 2: User enters in their search criteria, for their profile (with validations). Step 3: User agrees to the Terms of Service (with validations). Step 4: User is greeted by a confirmation page, including a link that takes them to their newly created account. I'd also like full navigation between the steps and full capture (saves to the database) with each transition. Can someone please give me a clear implementation of something similar to this? I would LOVE an example app that includes a multi-step signup process where I can look at the code (FULL source code--models AND controllers and views) under the hood, but I've been unable to find anything like that. Any guidance would be appreciated! EDIT: Please help make this a Railscast! Ryan B. (a.k.a. Superman), if you're reading this, we need you! http://feedback.railscasts.com/forums/77-episode-suggestions/suggestions/35553-multi-step-forms-and-wizards

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• Display new image on web page

  - by RuiT

  Hello, I'm uploading images to a folder and I want to display each new image on a web page every time it is saved in the folder. I can display the initial image, which is already in the folder, and I can also detect when a new image is saved into the folder but I don't know how to display the new images. I'm new to web development. Can somebody help me? Here's the code: public partial class _Default : System.Web.UI.Page { string DirectoryPath = "C:\\Users\\Desktop\\PhotoUpload\\Uploads\\"; protected void Page_Load(object sender, EventArgs e) { FileSystemWatcher watcher = new FileSystemWatcher(); try { watcher.Path = DirectoryPath; watcher.Created += new FileSystemEventHandler(watcher_Created); watcher.EnableRaisingEvents = true; Image image = Image.FromFile(DirectoryPath + "inicial.jpg"); MemoryStream ms = new MemoryStream(); image.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg); byte[] im = ms.ToArray(); Context.Response.ContentType = "Image/JPG"; Context.Response.BinaryWrite(im); } catch (Exception ex) { } } void watcher_Created(object sender, FileSystemEventArgs e) { Console.WriteLine("File Created: Name: " + e.Name); try { //How to display new image? } catch (Exception ex) { } } }

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• How to change scope data in controller?

  - by Derooie

  I am a real newbie at angular. I created something now which will let me retrieve and add items via angular and get/put them in mongodb. I use express and mongoose in the app The question is, how can i modify the data before it reaches the DOM in the controller. In this example i have created a way to retrieve data, and i get it exactly as it is stored in mongodb. What i would like is that the field where i store 1 or 0 in the database, to be shown as text. So if mongo has a value 1 i get "the value in mongo is 1" and when the field has a value of 0 get "the value is zero". (just as an example, i like other texts, but it illustrate what i want) I post my controller, html and current output. Any help would be appreciated. Controller function getGuests($scope, $http) { $scope.formData = {}; $http.get('/api/guests') .success(function(data) { $scope.x = data; }) .error(function(data) { console.log('Error: ' + data); }); } HTML <div ng-controller="getGuests"> <div ng-repeat="guest in x"> {{ guest.voornaam }} {{ guest.aanwezig }} </div> </div> The current scope output, what i see in HTML. I like to change only the value of "aanwezig" in case the value of aanwezig is 0 or 1. firstname1 1 firstname2 0 Something else, but would be great to learn, is how i can do a specific mongodb query by the push of a button and get that result.

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