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• Unique constraint on more than 10 columns

  - by tk

  I have a time-series simulation model which has more than 10 input variables. The number of distinct simulation instances would be more than 1 million, and each simulation instance generates a few output rows every day. To save the simulation result in a relational database, i designed tables like this. Table SimulationModel { simul_id : integer (primary key), input0 : string or numeric, input1 : string or numeric, ...} Table SimulationOutput { dt : DateTime (primary key), simul_id : integer (primary key), output0 : numeric, ...} My question is, is it fine to put an unique constraint on all of the input columns of SimulationModel table? If it is not a good idea, then what kind of other options do i have to make sure each model is unique?

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• Making Swedish characters show properly in Windows Command Prompt using Python in Notepad++

  - by Alex

  The title explains it well. I have set up Notepad++ to open the Python script in the command prompt when I press F8 but all Swedish characters looks messed up when opening in CMD but perfectly fine in e.g IDLE. This simple example code: #!/usr/bin/env python #-*- coding: UTF-8 -*- print "åäö" Looks like this. As you can see the output of the batch file I use to open Python in cmd below shows the characters correctly but not the Python script above it. How do I fix this? I open the file in cmd using this method

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• Fork to shell script and terminate original process with Haskell

  - by Neth

  I am currently writing a Haskell program that does some initialization work and then calls ncmpcpp. What I am trying to do is start ncmpcpp and terminate the Haskell program, so that only ncmpcpp is left (optionally, the program can keep running in the background, as long as it's unintrusive) However, even though I am able to start ncmpcpp, I cannot interact with it. I see its output, but input appears to be impossible. What I am currently doing is: import System.Process (createProcess, proc) ... spawnCurses :: [String] -> IO () spawnCurses params = do _ <- createProcess (proc "ncmpcpp" params) return () What am I doing wrong/What should I do differently?

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• Why input elements don't render the value passed in ASP.Net MVC?

  - by MediaSlayer

  This post asks this question but doesn't really give an answer, so I thought I would ask the question differently. I have a page that renders a hidden value from the model: <%=Html.Hidden("myName", model.myValue) %> Since I am passing a value in the value parameter, you would think it would output that value, but it doesn't. The code for rendering input fields has the following: string attemptedValue = (string)htmlHelper.GetModelStateValue(name, typeof(string)); tagBuilder.MergeAttribute("value", attemptedValue ?? ((useViewData) ? htmlHelper.EvalString(name) : valueParameter), isExplicitValue); Basically, if the ModelState (which contains posted values) contains a value for the "name" passed, it will use that value instead of your passed value to the helper method. In my case, I updated the model and my updated value wasn't outputted. If I pass a value to a method, I expect that value to be rendered. Am I missing something in this design or is it just wrong?

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• Testing methods called on yielded object

  - by Todd R

  I have the following controller test case: def test_showplain Cleaner.expect(:parse).with(@somecontent) Cleaner.any_instance.stubs(:plainversion).returns(@returnvalue) post :showplain, {:content => @somecontent} end This works fine, except that I want the "stubs(:plainversion)" to be an "expects(:plainversion)". Here's the controller code: def showplain Cleaner.parse(params[:content]) do | cleaner | @output = cleaner.plainversion end end And the Cleaner is simply: class Cleaner ### other code and methods ### def self.parse(@content) cleaner = Cleaner.new(@content) yield cleaner cleaner.close end def plainversion ### operate on @content and return ### end end Again, I can't figure out how to reliably test the "cleaner" that is made available from the "parse" method. Any suggestions?

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• Perl, dereference array of references

  - by Mike

  In the following Perl code, I would expect to be referencing an array reference inside an array #!/usr/bin/perl use strict; use warnings; my @a=([1,2],[3,4]); my @b = @$a[0]; print $b[0]; However it doesn't seem to work. I would expect it to output 1. @a is an array of references @b is $a[1] dereferenced (I think) So what's the problem?

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• BeautifulSoup Parser Confusion - HTML

  - by lyngbym

  I'm trying to scrape some content off another site and I'm not sure why BeautifulSoup is producing this output. It is only finding a blank space inside the match, but the real HTML contains a large amount of markup. I apologize if this is something stupid on my part. I'm new to python. Here's my code: import sys import os import mechanize import re from BeautifulSoup import BeautifulSoup def scrape_trails(BASE_URL, data): #Get the trail names soup = BeautifulSoup(data) sitesDiv = soup.findAll("div", attrs={"id" : "sitesDiv"}) print sitesDiv def main(): BASE_URL = "http://www.dnr.state.mn.us/skiing/skipass/list.html" br = mechanize.Browser() data = br.open(BASE_URL).get_data() links = scrape_trails(BASE_URL, data) if __name__ == '__main__': main() If you follow that URL you can see the sitesDiv contains a lot of markup. I'm not sure if I'm doing something wrong or if this is just malformed markup that the script can't handle. Thanks!

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• Extracting text from PDF with Poppler (C++)

  - by nico

  I'm trying to get my way through Poppler and its (lack of) documentation. What I want to do is a very simple thing: open a PDF file and read the text in it. I'm then going to process the text, but that doesn't really matter here. So... I saw the poppler_page_get_text function, and it kind of works, but I have to specify a selection rectangle, which is not very handy. Isn't there just a very simple function that would output the PDF text in order (maybe line by line?). Thank you Nicola

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• Best way to test instance methods without running __init__

  - by KenFar

  I've got a simple class that gets most of its arguments via init, which also runs a variety of private methods that do most of the work. Output is available either through access to object variables or public methods. Here's the problem - I'd like my unittest framework to directly call the private methods called by init with different data - without going through init. What's the best way to do this? So far, I've been refactoring these classes so that init does less and data is passed in separately. This makes testing easy, but I think the usability of the class suffers a little. EDIT: Example solution based on Ignacio's answer: import types class C(object): def __init__(self, number): new_number = self._foo(number) self._bar(new_number) def _foo(self, number): return number * 2 def _bar(self, number): print number * 10 #--- normal execution - should print 160: ------- MyC = C(8) #--- testing execution - should print 80 -------- MyC = object.__new__(C) MyC._bar(8)

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• Errors/Warnings/Debug Info no longer appears in Debug Console

  - by Alex L

  Hi Guys: This one is driving me crazy. When I run my App and open the Debug Console there is nothing there! Nope, not even the output from my NSLog statements. Before I would see a bunch of debug information starting with [Session Started ...] and ending with 'Terminating in response to SpringBoard's termination'. The Status Bar at the bottom of the Console says my App was successfully launched. Even Errors and Warnings from my code no longer appear. How do I get this to show up again? Any help would be greatly appreciated.

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• C# Array number sorting

  - by athgap

  Hi, I have an array of numbers jumbled up from 0-9. How do I sort them in ascending order? Array.Sort doesn't work for me. Is there another way to do it? Thanks in advance. EDIT: Array.Sort gives me this error. Argument 1: cannot convert from 'string' to 'System.Array' Right now it gives me this output: 0) VersionInfo.xml 2) luizafroes_singapore2951478702.xml 3) virua837890738.xml 4) darkwizar9102314425644.xml 5) snarterz_584609551.xml 6) alysiayeo594136055.xml 1) z-a-n-n2306499277.xml 7) zhangliyi_memories932668799030.xml 8) andy_tan911368887723.xml 9) config.xml k are the numbers from 0-9 string[] valnames = rk2.GetValueNames(); foreach (string k in valnames) { if (k == "MRUListEx") { continue; } Byte[] byteValue = (Byte[])rk2.GetValue(k); UnicodeEncoding unicode = new UnicodeEncoding(); string val = unicode.GetString(byteValue); Array.Sort(k); //Error here richTextBoxRecentDoc.AppendText("\n" + k + ") " + val + "\n"); }

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• How to enable BDS2006's C++ WARN & TRACE macros.

  - by Psychic

  I am trying to find out how to enable (& use) Borland's WARN & TRACE macros. My starting point was this link: http://bcbjournal.org/articles/vol2/9809/Debugging_with_diagnostic_macros.htm?PHPSESSID=37bf58851bfeb5c199d1af31d7b2e7ff However, that appears to be for BCB5, and not the 2006 Borland Developer Studio. I've set the two defines (__WARN & __TRACE) I've included the .h file () I've added some macros, and everything compiles & links fine. But when I run the application (in DEBUG mode), no debug output file is created. What am I missing here?

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• PHP - white screen of death!

  - by Industrial

  Hi everyone, After debugging a codeigniter app that were installed into a new development environment, I have started to freak out when seeing white screens with nothing more available. I have been able to solve each and every one of the errors that have caused this, but it have taken seriously way too long time. PHP error_reporting(E_ALL) & display_errors", 1 is set as well. I even installed Xdebug in hope of getting more output, but no. My logging settings are also working, but nothing is written to the log. Is there a way to get something informative printed out instead of a complete white screen? It would certainly shorten my time spent on solving the eventual errors that causes this? Thanks a lot! Reference: http://stackoverflow.com/questions/2149321/why-does-code-igniter-give-me-a-white-page

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• Customizing Log4j to filter PatternLayout

  - by JavaScriptDude

  Greetings, I have just starting migrating to WLS 10.x and have noticed that the thread name [%t] for WL is quite verbose and more informative than I need for my deployment needs. Ultimately, I only care about the thread ID but WL gives me this:    [ACTIVE] ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)' ~ Does anybody know if there is a way in log4j to write a custom filter that will allow me to override PatternLayout so I can parse the WLS Thread Name to just output the thread ID which in this case above is 0. I'd rather extend then customize as it makes upgrading libraries so much easier. Thanks :) - JsD

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• iPhone, special characters in JSON Response

  - by eddit

  Writing an iphone app, and I'm getting my data from a REST API that returns JSON. My problem is, some of the data has special characters embedded and Im getting errors. Example: MartÌn Petite-RiviËre-Saint-FranÁois Here is my current code: NSString *jsonString = [[NSString alloc] initWithData:receivedData encoding:NSUTF8StringEncoding]; NSMutableArray *tempResults = [[[jsonString JSONValue] objectForKey:@"getRegionResortsLastUpdatedResponse"] objectForKey:@"return"]; Whenever the data has special characters in it "jsonString" return "(null)", otherwise everything works fine. Is this something I can handle on my end, or does the API need to be modified to output the character codes?

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• Map Reduce job on Amazon: argument for custom jar

  - by zero51

  Hi all, This is one of my first try with Map Reduce on AWS in its Management Console. Hi have uploaded on AWS S3 my runnable jar developed on Hadoop 0.18, and it works on my local machine. As described on documentation, I have passed the S3 paths for input and output as argument of the jar: all right, but the problem is the third argument that is another path (as string) to a file that I need to load while the job is in execution. That file resides on S3 bucket too, but it seems that my jar doesn't recognize the path and I got a FileNotFound Exception while it tries to load it. That is strange because this is a path exactly like the other two... Anyone have any idea? Thank you Luca

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• [jquery] Appending to Second Last element

  - by Shishant

  Hello, This is the final output My HTML <li id='$id'>TEXT <ul class='indent'> <li id='$id'>TEXT</li> <li id='$id'>TEXT</li> <li class='formContainer'> FORM </li> </ul> </li> I want to append a li between form after all other li So in this example new li will be appended between Test141 APPEND Input Box The $id are db ids of li which are unique

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• css problem with unordered lists (as usual with IE)

  - by Emin

  I am using un-ordered lists that nests some divs to show the desired output on screen. I am using css to style them and they seem to look perfect on chrome and firefox. But in IE(8) it looks there is a problem which I was unable to locate. I am using the below CSS <style type="text/css"> .ur_container {width:980px; padding: 0; margin: 0;} .ur_container ul.bx_grp {list-style-type: none; padding: 0px; margin: 0px; } .ur_container ul.bx_lnx {list-style-type: none; padding: 5px; margin: 0px; } .bx_grp {border:1px solid #c5c5c5; background-color: yellow; margin:0; padding:0;} .bx_grp_header {background-color: #d6d6d6; border-bottom:1px solid #acacac;} .bx_grp_title {float: left; font: bold 11px Arial; padding:5px;} .bx_grp_options {float: right; font: 10px Arial; padding: 5px;} .bx_grp_options a{color: #125B93; text-decoration: none; } .bx_lnx {padding:0px; background-color: red;} .bx_lnx_header {font:11px Arial; color:#333;} .bx_lnx_title {float: left;} .bx_lnx_refno {background-color:#333; color: fff; padding: 1px; margin-right: 5px; } .bx_lnx_options {float: right;} .bx_lnx_options a {color: #258CF4; text-decoration: none;} .bx_lnx_url {font: 9px Arial; color: #999; margin-top: 4px; } .bx_lnx_notes {} .bx_lnx_notes span {background-color: #FDFFCC; color: #666; font: 9px Arial; padding:2px;} .bx_lnx_tags {} .bx_lnx_tags span {background-color: #efefef; border-bottom: 1px solid #ccc; color: #666; font: 9px Arial; padding: 1px 2px 1px 2px; margin-right: 5px;} </style> Against the following HTML <div class="ur_container"> <ul class="bx_grp" id="grp_1"> <li> <div class="bx_grp_header"> <span class="bx_grp_title">Personal File</span> <span class="bx_grp_options"><a href="#">rename</a> &bull; <a href="#">make private</a> &bull; <a href="#">hide</a href="#"> &bull; <a href="#">delete</a></span> <div style="clear: both;"></div> </div> </li> <li> <ul class="bx_lnx" id="lnx_1"> <li> <div class="bx_lnx_header"> <span class="bx_linx_title"><span class="bx_lnx_refno">#3103</span>How to file personal files</span> <span class="bx_lnx_options"><a href="#">edit</a> &bull; <a href="#">move</a> &bull; <a href="#">delete</a></span> </div> </li> <li class="bx_lnx_url">http://www.google.com</li> <li class="bx_lnx_notes"><span>search google for this</span></li> <li class="bx_lnx_tags"><span>personal</span><span>file</span><span>google</span></li> </ul> </li> </ul> </div> Which produces this output in Chrome and Fireworks and the following in IE The yellow and red colors was used in order to show that is being going wrong. The yellow part is the undesired one. Can anyone point me in the right direction please ? Regards

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• Help me write a nicer SQL query in Rails

  - by Sainath Mallidi

  Hi, I am trying to write an SQL query to update some of the attributes that are regularly pulled from source. the output will be a text file with the following fields: author, title, date, popularity I have two tables to update one is the author information and the other is popularity table. And the Author Active Record object has one popularity. Currently I'm doing it like this.\ arr.each { |x| x = x.split(" ") results = Author.find_by_sql("SELECT authors.id FROM authors, priorities WHERE authors.id=popularity.authors_id AND authors.author = x[0]") results[0].popularity.update_attribute("popularity", x[3]) I need two tables because the popularity keeps changing, and I need only the top 1000 popular ones, but I still need to keep the previously popular ones also. Is there any nicer way to do this, instead of one query for every new object. Thanks.

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• Any experience with the Deliverance system ?

  - by e-satis

  My new boss went to a speech where Deliverance, a kind of proxy allowing to add skin to any html output on the fly, was presented. He decided to use it right after that, no matter how young it is. More here : http://www.openplans.org/projects/deliverance/introduction In theory, the system sounds great when you want a newbie to tweak your plone theme without having to teach him all the complex mechanisms behind the zope products. And apply the same theme on a Drupal web site in one row. But I don't believe in theory, and would like to know if anybody tried this out in the real world :-)

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• Getting Emacs ansi-term and Zsh to play nicely

  - by mronge

  I've been trying to use Zsh within my emacs session, without emacs remapping all the Zsh keys. I found ansi-term works pretty well for this but, I'm still having some problems. I was getting lots of junk characters outputted with, I was able to fix it with: ## Setup proper term information for emacs ansi-term mode [[ $TERM == eterm-color ]] && export TERM=xterm But everything still doesn't work perfectly. Now I am having trouble with output being drawn offscreen , especially when using something like C-r for search. Any thoughts. Anyone else have Zsh + Ansi-term working properly?

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• cant find div element in ajax data find

  - by Shrey

  This is my whole Ajax page which is returned <!DOCTYPE div PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <div class="CareerAjaxData">Simple Div Content</div> The jQuery script in the Main page which calls this Ajax page is $.ajax({ type : 'POST', url : url, data : data, datatype : 'html', success : function(ajaxdata) { var $tabcontent = $(ajaxdata).find('.CareerAjaxData'); console.log($tabcontent.html()); } }); But the output of Console gives: undefined I get proper response from the server. But there some problem with js I guess. whats wrong here..??

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• Replacing Text which does not match a pattern in Oracle

  - by kutekrish

  I have below text in a CLOB in a table Table Name: tbl1 Columns col1 - number (Primary Key) col2 - clob (as below) Row#1 ----- Col1 = 1 Col2 = 1331882981,ab123456,Some text here which can run multiple lines and have a lot of text... ~1331890329,pqr123223,Some more text... Row#2 ----- Col1 = 2 Col2 = 1331882981,abc333,Some text here which can run multiple lines and have a lot of text... ~1331890329,pqrs23,Some more text... Now I need to know how we can get below output Col1 Value ---- --------------------- 1 1331882981,ab123456 1 1331890329,pqr123223 2 1331882981,abc333 2 1331890329,pqrs23 ([0-9]{10},[a-z 0-9]+.), == This is the regular expression to match "1331890329,pqrs23" and I need to know how can replace which are not matching this regex and then split them into multiple rows

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• Recursive CTE with alternating tables

  - by SOfanatic

  I've created a SQL fiddle here. Basically, I have 3 tables BaseTable, Files, and a LinkingTable. The Files table has 3 columns: PK, BaseTableId, RecursiveId (ChildId). What I want to do is find all the children given a BaseTableId (i.e., ParentId). The tricky part is that the way the children are found works like this: Take ParentId 1 and use that to look up a FileId in the Files table, then use that FileId to look for a ChildId in the LinkingTable, if that record exists then use the RecursiveId in the LinkingTable to look for the next FileId in the Files table and so on. This is my CTE so far: with CTE as ( select lt.FileId, lt.RecursiveId, 0 as [level], bt.BaseTableId from BaseTable bt join Files f on bt.BaseTableId = f.BaseTableId join LinkingTable lt on f.FileId = lt.FileId where bt.BaseTableId = @Id UNION ALL select rlt.FileId, rlt.RecursiveId, [level] + 1 as [level], CTE.BaseTableId from CTE --??? and this is where I get lost ... ) A correct output for BaseTableId = 1, should be: FileId|RecursiveId|level|BaseTableId 1 1 0 1 3 2 1 1 4 3 2 1

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• Multiple python scripts sending messages to a single central script

  - by Ipsquiggle

  I have a number of scripts written in Python 2.6 that can be run arbitrarily. I would like to have a single central script that collects the output and displays it in a single log. Ideally it would satisfy these requirements: Every script sends its messages to the same "receiver" for display. If the receiver is not running when the first script tries to send a message, it is started. The receiver can also be launched and ended manually. (Though if ended, it will restart if another script tries to send a message.) The scripts can be run in any order, even simultaneously. Runs on Windows. Multiplatform is better, but at least it needs to work on Windows. I've come across some hints: os.pipe() multiprocess Occupying a port mutex From those pieces, I think I could cobble something together. Just wondering if there is an obviously 'right' way of doing this, or if I could learn from anyone's mistakes.

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