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  • Use only some parts of Django?

    - by Hanno Fietz
    I like Django, but for a particular application I would like to use only parts of it, but I'm not familiar enough with how Django works on the inside, so maybe someone can point me into the right direction as to what I have to check out. Specifically, I want to use: The models and database abstraction The caching API, although I want to avoid database lookups by caching, not HTML generation, and since the caching framework in Django is intended for the latter, I'm not sure yet whether that's really appropriate. I would not use: Templating urlconfigs Or, more exactly, I'm neither using HTTP nor HTML. So basically, I have a different input / output chain than usual. Can this work? My personal killer feature in Django is the Object / database mapping that I can do with the models, so if there's another technology (doesn't have to be Python, I'm in the design phase and I'm pretty agnostic about languages and platforms) that gives me the same abilities, that would be great, too.

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  • How to tell binary from text files in linux

    - by gabor
    The linux file command does a very good job in recognising file types and gives very fine-grained results. The diff tool is able to tell binary files from text files, producing a different output. Is there a way to tell binary files form text files? All I want is a yes/no answer whether a given file is binary. Because it's difficult to define binary, let's say I want to know if diff will attempt a text-based comparison. To clarify the question: I do not care if it's ASCII text or XML as long as it's text. Also, I do not want to differentiate between MP3 and JPEG files, as they're all binary.

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  • google search as an rss feed

    - by Jonathan
    Hi guys, Is there a way to have treat google serach results as an rss feed? For example say I worked for stackoverflow and wanted to montior how if the results from the following search url: http://www.google.com/search?hl=en&q=stackoverflow changes from day today. It would be cool if I could append &output=rss to the url and get back a feed like with google news. But that does not seem to be supported. Anyone have ideas? (Note I am programing with Ruby and Rails, if that matters) Thanks! Jonathan

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  • How do I use a variable argument number in a bash script?

    - by Corbin Tarrant
    #!/bin/bash # Script to output the total size of requested filetype recursively # Error out if no file types were provided if [ $# -lt 1 ] then echo "Syntax Error, Please provide at least one type, ex: sizeofTypes {filetype1} {filetype2}" exit 0 fi #set first filetype types="-name *."$1 #loop through additional filetypes and append num=1 while [ $num -lt $# ] do (( num++ )) types=$types' -o -name *.'$$num done echo "TYPES="$types find . -name '*.'$1 | xargs du -ch *.$1 | grep total The problem I'm having is right here: #loop through additional filetypes and append num=1 while [ $num -lt $# ] do (( num++ )) types=$types' -o -name *.'>>$$num<< done I simply want to iterate over all the arguments not including the first one, should be easy enough, but I'm having a difficult time figuring out how to make this work

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  • PHP String tokenizer not working correctly

    - by asdadas
    I have no clue why strtok decided to break on me. Here is my code. I am tokenizing a string by dollar symbol $. echo 'Tokenizing this by $: ',$aliases,PHP_EOL; if(strlen($aliases) > 0) { //aliases check $token = strtok($aliases, '$'); while($token != NULL) { echo 'Found a token: ',$token,PHP_EOL; if(!isGoodLookup($token)) { echo 'ERROR: Invalid alias found.',PHP_EOL; stop($db); } $goodAliasesList[] = $token; $token = strtok('$'); } if($token == NULL) echo 'Found null token, moving on',PHP_EOL; } And this is my output: Tokenizing this by $: getaways$aaa Found a token: getaways Found null token, moving on str tok is not supposed to do this!! where is my aaa token!!

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  • Appengine not liking my .jspx files

    - by Hans Westerbeek
    I have a little app that runs fine on local dev appengine, but appengine itself is not processing my .jspx files. The jspx files are in WEB-INF so they should not be excluded by appengine (as a static resource) I am using Apache Tiles to define my views. So the html produced looks like this: <html xmlns:jsp="http://java.sun.com/JSP/Page" xmlns:c="http://java.sun.com/jsp/jstl/core" xmlns:tiles="http://tiles.apache.org/tags-tiles" > <jsp:output omit-xml-declaration="yes"/> <jsp:directive.page contentType="text/html;charset=UTF-8" /> <jsp:directive.page isELIgnored="false"/> (etc etc) How can I solve this problem?

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  • Why is the EntityManager in my GAE + Spring (+graniteds) project reset to null?

    - by prefabSOFT
    Hi all, I'm having a problem with autowiring my EntityManager. Actually at server startup I can see that the injection works ok, though when trying to use my EntityManager it appears to be null again. @Component public class DataDaoImpl { protected EntityManager entityManager; @Autowired public void setEntityManager(EntityManager entityManager) { System.out.println("Injecting "+entityManager); //works! this.entityManager = entityManager; } public void createData(String key, String value) { System.out.println("In createData entityManager is "+entityManager); //entityManager null!? ... Output: Injecting org.datanucleus.store.appengine.jpa.DatastoreEntityManager@a60d19 The server is running at http://localhost:8888/ In createData entityManager is null So somehow the autowired entityManager is reset to null when trying to use it. It's a graniteds powered project though I don't think this is graniteds related. Any ideas? Thanks a lot in advance, Jochen

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  • Why isn't Passenger respecting my custom log format?

    - by Millisami
    I need to change the log format of my rails app. I put this file in lib directory and required it in development.rb env file. require 'hodel_3000_compliant_logger' config.logger = Hodel3000CompliantLogger.new(config.log_path) and I should get the output of the development.log file as follows: Jun 28 03:05:13 millisami-notebook rails[18243]: Memory usage: 86888 | PID: 18243 I get this exact log when I start my app with script/server (Mongrel). But when I run the app via Passenger, the format being logged is Rails' default. Why doesn't Passenger write to the log file like Mongrel does?

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  • GeoDjango: is there an out-of-the-box way to generate clusters of points?

    - by vaughnkoch
    Hi, I'm trying to compute clusters on a set of points in Python, using GeoDjango. The problem: Given a set of points, output a set of clusters of those points. (i'm fine specifying # of clusters/cluster size/distance in advance to simplify) There are a few solutions on the web to do clustering, so it's a well known problem. I thought that GeoDjango would handle these types of problems out of the box, but it's not clear how - I've searched the GeoDjango documentation, Google, and a few other places, but couldn't find anything. Before I roll my own clustering solution, I thought I'd ask to see if there's a straightforward way to do this using GEOS or another package within GeoDjango.

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  • Memcache won't flush or clear memory

    - by pedalpete
    I've been trying to clear my memcache as I'm noticing the storage taking up almost 30% of server memory when using ps -aux. So I ran the following php code. $memcache = new Memcache; $memcache-connect("localhost",11211); $memcache-flush(); print_r($memcache-getStats()); This results in the output of ( [pid] = 4936 [uptime] = 27318915 [time] = 1255318611 [version] = 1.2.2 [pointer_size] = 64 [rusage_user] = 9.659531 [rusage_system] = 49.770433 [curr_items] = 57864 [total_items] = 128246 [bytes] = 1931734247 [curr_connections] = 1 [total_connections] = 128488 [connection_structures] = 17 [cmd_get] = 170288 [cmd_set] = 128246 [get_hits] = 45464 [get_misses] = 124824 [evictions] = 1009 [bytes_read] = 5607431213 [bytes_written] = 1806543589 [limit_maxbytes] = 2147483648 [threads] = 1 ) This should be fairly basic, but clearly, I'm missing something.

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  • RSA Factorization problem

    - by dada
    At class we found this programming problem, and currently, we have no idea how to solve it. The positive integer n is given. It is known that n = p * q, where p and q are primes, p<=q and |q-k*p|<10^5 for some given positive integer k. You must find p and q. Input: 35 1 121 1 1000730021 9 Output: 5 * 7 11 * 11 10007 * 100003 It's not a homework, we are just trying to solve some interesting problems. If you have some ideas, please post them here so we can try something, thanks.

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  • Preload IFrame or load with Ajax.

    - by sidcom
    Hi all im building a web user interface. In this interface i use popup divs to capture user input and other tasks. On on of my popups i need to post a form so that i can handle uploaded files. Id like to do this in an iframe so that it dosent effect the main page form. Id like to know if there are any drawbacks to this method and if i should load the iframe into the page at startup or output the iframe via an ajax routine.

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  • Pipeline For Downloading and Processing Files In Unix/Linux Environment With Perl

    - by neversaint
    I have a list of files URLS where I want to download them: http://somedomain.com/foo1.gz http://somedomain.com/foo2.gz http://somedomain.com/foo3.gz What I want to do is the following for each file: Download foo1,2.. in parallel with wget and nohup. Every time it complete download process them with myscript.sh What I have is this: #! /usr/bin/perl @files = glob("foo*.gz"); foreach $file (@files) { my $downurls = "http://somedomain.com/".$file; system("nohup wget $file &"); system("./myscript.sh $file >> output.txt"); } The problem is that I can't tell the above pipeline when does the file finish downloading. So now it myscript.sh doesn't get executed properly. What's the right way to achieve this?

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  • cakephp - try/catch an Action

    - by joshs
    I would like to somehow apply a try catch statement to all Actions as a backstop for any uncaught exceptions. I think this would be particularly helpful for Ajax Actions, because the catch statement could send back a default 4xx status code. Prototype's onFailure() function could then do the client-side error handling. How can I do this without wrapping the Action call with a try/catch in the cake dispatcher like this: try { output = $controller->dispatchMethod($params['action'], $params['pass']); } catch {...} Does anybody have a suggestion or another workable strategy for gaining this functionality without touching the dispatcher? How do people feel about putting exception handling in the Displatcher? I imagine when cake drops php 4 support, there will be a built-in mechanism for this.

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  • SSIS Script Component Testing Strategy

    - by Paul Kohler
    This question is in respect to the script component specifically. I am aware of ssisUnit etc… With simple SSIS Scripts Components, it’s sufficient to let basic testing flesh out issues, however I am working with a script that has grown in complexity over time. To better test the functionality I am considering abstracting the script logic into a DLL that gets deployed with the package, and then use the custom component in the script. The advantage is that the function will be more testable etc but it’s one more deployment artefact that needs to be managed. My question is, does anyone know of a better way to test such an SSIS script in a more isolated manner than to run the whole package and examine the output?

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  • c++ webservice having problems with Mozilla Firefox browser

    - by prasanna
    Hi , About Problem:- We have a webservice written in c++.And we use cgi scripts in HTML pages to run our own exe which will output HTML. With IE i am not seeing any problem. But With Mozilla FireFox 3.0 there is error showing up as " You have chosen to open gefebt.exe which is a : Application from http:\3.212.219.180\test Would you like to save this file" Also i did some investigation :- i have created a virtual directory using IIS where when i click hyperlink i have made gefebt.exe to execute. With IIS there is no problem untill Execute Permissions is set to "Scripts and Executables" . If i select scripts i could see the same message in IE and mozilla plugin. At the same time i not seeing any difference with the code of Webservice. The way we are reffering the executable in HTML is href=gefebt.exe?xyz.bclInvoke xyz.bcl - I have also tries with IFrames and frames .

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  • Getting Unit Tests to work with Komodo IDE for Python

    - by devoured elysium
    I've tried to run the following code on Komodo IDE (for python): import unittest class MathLibraryTests(unittest.TestCase): def test1Plus1Equals2(self): self.assertEqual(1+1, 2) Then, I created a new test plan, pointing to this project(file) directory and tried to run it the test plan. It seems to run but it doesn't seem to find any tests. If I try to run the following code with the "regular" run command (F7) class MathLibraryTests(unittest.TestCase): def testPlus1Equals2(self): self.assertEqual(1+1, 2) if __name__ == "__main__": unittest.main() it works. I get the following output: ---------------------------------------------------------------------- Ran 1 test in 0.000s OK What might I be doing wrong?

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  • Stored Procedure to create Insert statements in MySql ??

    - by karthik
    I need a storedprocedure to get the records of a Table and return the value as Insert Statements for the selected records. For Instance, The stored procedure should have three Input parameters... 1- Table Name 2- Column Name 3- Column Value If 1- Table Name = "EMP" 2- Column Name = "EMPID" 3- Column Value = "15" Then the output should be, select all the values of EMP where EMPID is 15 Once the values are selected for above condition, the stored procedure must return the script for inserting the selected values. The purpose of this is to take backup of selected values. when the SP returns a value {Insert statements}, c# will just write them to a .sql file. I have no idea about writing this SP, any samples of code is appreicated. Thanks..

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  • iPhone: fast hash function for storing web images (url) as files (hashed filenames)

    - by Stefan Klumpp
    What is a fast hash function available for the iPhone to hash web urls (images)? I'd like to store the cached web image as a file with a hash as the filename, because I suppose the raw web url could contain strange characters that could cause problems on the file system. The hash function doesn't need to be cryptographic, but it definitely needs to be fast. Example: Input: http://www.calumetphoto.com/files/iccprofiles/icc-test-image.jpg Output: 3573ed9c4d3a5b093355b2d8a1468509 This was done by using MD5(), but since I don't know much about that topic I don't know if it is overkill (- slow).

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  • sound volume increase beyond 100% whenever possible on linux

    - by fakedrake
    Some audio output from files or streams is too low. It is obvious that hardware is able to play the same sounds but louder but because of the data it just plays it at some low level even at 100% volume. Vlc can generally increase the volume of a file up to 200%. Is there a way to do the same thing VLC does system-wide and if possible for an arbitrary v percentage value. If there is no application that does this, where should i look into for libs to do it myself or what code should i modify(eg code in the alsamixer) thank you

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  • Problem extracting text from RSS feeds

    - by Gautam
    Hi, I am new to the world of Ruby and Rails. I have seen rails cast 190 and I just started playing with it. I used selector gadget to find out the CSS and XPath I have the following code.. require 'rubygems' require 'nokogiri' require 'open-uri' url = "http://www.telegraph.co.uk/sport/football/rss" doc = Nokogiri::HTML(open(url)) doc.xpath('//a').each do |paragraph| puts paragraph.text end When I extracted text from a normal HTML page with css, I could get the extracted text on the console. But when I try to do the same either with CSS or XPath for the RSS Feed for the following URL mentioned in the code above, I dont get any output. How do you extract text from RSS feeds?? I also have another silly question. Is there a way to extract text from 2 different feeds and display it on the console something like url1 = "http://www.telegraph.co.uk/sport/football/rss" url2 = "http://www.telegraph.co.uk/sport/cricket/rss" Looking forward for your help and suggestions Thank You Gautam

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  • SSIS - Update flag of selected rows from more than one table

    - by Rob Bowman
    Hi I have a SSIS package that copies data from table A to table B and sets a flag in table A so that the same data is not copied subsequently. This works great by using the following as the SQL command text on the ADO Net Source object: update transfer set ProcessDateTimeStamp = GetDate(), LastUpdatedBy = 'legacy processed' output inserted.* where LastUpdatedBy = 'legacy' and ProcessDateTimeStamp is not null The problem I have is that I need to run a similar data copy but from two sources table, joined on a primary / foreign key - select from table A join table B update flag in table A. I don't think I can use the technique above because I don't know where I'd put the join! Is there another way around this problem? Thanks Rob.

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  • iPhone switch statement using enum

    - by Boris
    I have defined an enum in a header file of a class : typedef enum{ RED = 0, BLUE, Green } Colors; - (void) switchTest:(Colors)testColor; and in the implementation file I have : - (void) switchTest:(Colors)testColor{ if(testColor == RED){ NSLog(@"Red selected"); } switch(testColor){ case RED: NSLog(@"Red selected again !"); break; default: NSLog(@"default selected"); break; } } My code compiles correctly without warrnings. When calling the switchTest method with RED, the output is : "Red selected" but once the first line of the switch runs, the application quits unexpectedly and without warrnings/errors. I don't mind using if/else syntax but I would like to understand my mistake.

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  • mkdir error in bash script

    - by Don
    Hi, The following is a fragment of a bash script that I'm running under cygwin on Windows: deployDir=/cygdrive/c/Temp/deploy timestamp=`date +%Y-%m-%d_%H:%M:%S` deployDir=${deployDir}/$timestamp if [ ! -d "$deployDir" ]; then echo "making dir $deployDir" mkdir -p $deploydir fi This produces output such as: making dir /cygdrive/c/Temp/deploy/2010-04-30_11:47:58 mkdir: missing operand Try `mkdir --help' for more information. However, if I type /cygdrive/c/Temp/deploy/2010-04-30_11:47:58 on the command-line it succeeds, why does the same command not work in the script? Thanks, Don

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  • Squeak - SUnit Testing for Errors

    - by Artium
    I have been suggested to use should:rise in my test case to test for errors that a method might raise. For some reason it does not work as axpected, so I want to verify that I'm doing it right. Here is the code in the test case: self should: [aMyClass compareTo: 'This is a string'] raise: 'invalid input'. My compareTo/1 method looks like this: (aMyClass isKindOf: MyClass) ifFalse: [self error: 'invalid input'.]. The test runner output is that there is "1 errors". Thank you.

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