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  • connect to my database from another computer

    - by user3482102
    Sorry for being a :noob I am a student working on a dbms project on my laptop. I have installed mariadb and I have root access. Similarly the case with my friend's laptop. The problem is we both want to work on same database collectively as we are partners of a team in the project. How can I create a database in mariadb that we both can share? How to access that database? Please specify the software to use and implementation.

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  • Running a cronjob

    - by Ed01
    've been puzzling over cronjobs for the last few hours. I've read documentation and examples. I understand the basics and concepts, but haven't gotten anything to work. So I would appreciate some help with this total noob dilemma. The ultimate goal is to schedule the execution of a django function every day. Before I get that far, I want to know that I can schedule any old script to run, first once, then on a regular basis. So I want to: 1) Write a simple script (perhaps a bash script) that will allow me to determine that yes, it did indeed run successfully, or that it failed. 2) schedule this script to run at the top of the hour I tried writing a bash script that simple output some text to the terminal: #!/bin/bash echo "The script ran" Then I dropped this into a .txt file MAILTO = *****.******@gmail.com 05 * * * * /home/vadmin/development/test.sh But nothing happened. I'm sure I did many things wrong. Where do I start to fix all of this?

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  • Ubuntu works in try out but not when installed, how to fix?

    - by QVaren
    I've got quite a problem with it, perhaps the problem lies with me but I thought I fixed it, I believe the opposite now... Anyhow, I started off with a 64-Bit Windows 7 platform and I wanted something new then the same boring windows, I heard about Ubuntu before but I didn't see a reason to change it. Now I had found my reason, so what did I do was do the installation via an USB, I went "try out before installation" first and it worked perfectly, however... When I installed it, deleted my Window 7 and tried to reboot with my fresh oh-so-clean new OS, it didn't want to load. At a certain point it said to boot up from a bootable option or something like that. Where it came to was that I couldn't load it up. Now, I wanted to switch back to Windows 7 because it didn't work and now I can't switch back because my harddrive switched modus because of Linux files (From NTFS to 4ex or something, I forgot). I'm currently typing this in the try out version of Ubuntu since I can't switch back to either Windows 7 or to the installed version of Ubuntu. So, my question follows: Can I fix it by keeping Ubuntu? Because I like Ubuntu. Also a side note: I'm a total noob when it comes down to this sort of things.

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  • For photography use, is Unity is overheating my laptop? Should I try OpenSuse instead?

    - by SoT
    I am a perfect noob here in the Linux world. Previously was using Windows 7. Mine is an HP laptop - Intel core2duo T5470 @ 1.60GHz × 2 / 965GM with 2GB RAM. I installed Ubuntu 12.04TLS and is quite liking it's display. I really recognized it is 3D before knowing it was Unity 3D interface. My uses are image editing, home uses, downloads, browsing etc.. No video-editing/gaming at all. Being a Photography enthusiast I use image editing programs fairly more. But I am now feeling my laptop is getting a bit overheated - processor and hard-disk. I tried lm-sensor and could not make out much of it. Installed Xsensors.7. It gives the same output as lm-sensors gave me. It gives temperature for 4 things Temp1, temp2, temp3, and temp4. For "acpitz". Please guide me in this. However I wanted to ask something more. Which one is better for working with images - photography I mean - openSUSE 12.1 or Ubuntu with unity 3D? Can I get the display quality with the openSUSE distribution? I heard for laptops openSUSE uses power more efficiently, is there any truth? Please suggest me whether I should try openSUSE or not. If so with which GUI? KDE or GNOME? Thanks in advance. Regards SoT

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  • How should dependencies be managed across a modular application?

    - by bear
    Let's say that we have a structure like this: Application -- Modules --Module1 -- Controller -- PublicHelper --Module2 -- Controller -- PublicHelper Whereby a module's Public Helper can provide helper functions. In nearly every module helper, the helper needs to access another module's public helper methods. Let's say for instance, in a PHP application: Module1 provides functionality to create a sale, and as part of the class Module1PublicHelper extends AbstractModuleHelper { public function createSale($customerId, $param, $param) { $userPublicHelper = // grab an instance of the user public helper $currentUser = $userPublicHelper->getCurrentUser(); } } class Module2PublicHelper extends AbstractModuleHelper { public function getCurrentUser() { //do something return $user; } } In this situation, the method needs to obtain an instance, either new or whatever of the user public helper. Given that all of Module Public Helper classes are instantiated with a minimum set of constructor params, e.g. EntityManager, what would be the best way to get a copy of it? Obviously, we can't really inject the user public helper class into the class containing createSale One solution would be to use a service locator or registry, however, testing the application isn't exactly easy.

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  • After installing Ubuntu my computer boots into GRUB rescue mode after displaying 'no such partition' error message.

    - by VictorVictor5
    I wanted Ubuntu on my Gateway Solo Laptop. It had Win98 on the C:\ and WinXP on the D:\. Before the install, I could not boot from CD, but I could boot from floppy. I installed Ubuntu to run alongside Windows XP as that was one of the options. It didn't detect Win98, but I swear it's on there. Install seemed fine and then it asked me to reboot. When I rebooted, I got the message error: no such partition and the grub rescue> command prompt. I've looked around, but some commands, like sudo, don't work. One command I did get to work was set root=(hd0,0) if that helps. I'm a noob, and it was a pain installing Win98 and XP since this system is so old. I don't want to wipe my drive and start all over! Additional details copied from comments Addendum, I restored my master boot record via my Win98 boot floppy and typing in frisk /mbr. But, I'd still like to get ubuntu - any help? If I restored my master boot record - did I delete Ubuntu?

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  • Create / build / generate a web form that can be on my server and has modern looks and could be impl

    - by Luay
    I have a small web site and would like to add a 'contact us' form and a 'feedback' form. i would like the forms to satisfy the following: 1- be modern looking (with beautiful css effects) 2- the form fields are validated properly and 'inline'. What I mean is once a user skips a required field or enters an email address incorrectly some kind of tooltip or icon is displayed to ask him to cerrect the error (as opposed to a message box that appears after the user clicks 'submit') 3- once the submit button is clicked the form contents are emailed to me. 4- the whole thing can be setup by a noob like myself. 5- no ads on the form I have been searching for at least 5 days for a solution but I can't seem to find anything the would satisfy the above 5 conditions. I don't mind paying for a solution as long as it is hosted on my site and it is a one off payment and not a monthly payment. So far my search has lead me to the following: 1 wufoo. The good: the generated forms seem to look okay but not the best there is. The bad: the free service is limited to 100 submissions. ads on the form. it is not hosted on my server. Paid service requires monthly payments 2- emailmeform: almost same as above except the generated form looks old. They do have an offer where you pay only $4 to get the form and set it up on your own site but that doesn't solve the fact that the forms look old. 3- formAssembly: same as above with minor variations (the generated form looks better) 4- formchamp, formthis, kontaktr,... And other similar online services: the same problem. either the form generated looks outdated or require monthly payments or they put ads...they don't satisfy my conditions. 5- coffeecup form builder. a desktop software. The problem is the generated forms look too old and use flash. 6- simfatic. Another software. Much better than coffeecup. almost satisfies my conditions but the forms not as good as I like. 7- many, many php scripts or html templates that look so outdated or fail when tested (probably because they are too old). Seriously guys, how hard is this. At least 90%+ of website contain at least a 'contact us' form. Why aren't there better solutions? if there is I can't seem to find them. In terms of looks I want something similar to this: http://web-kreation.com/articles/lightform-free-ajaxphp-contact-form/ It is called lightform. And this is a perfect example of what I mean by 'inline' validation. the only problem: there is no script to handle sending the mail. Even if I find one, I don't know how to modify it for my needs. So could you please help me out. I really can't search anymore. I reached rock bottom with this issue. I need a complete solution. If nothing exists then at least a: 1- form template (html) that looks nice and can easily be modified 2- a validation script that does 'inline' validation like the example above (or similar to it) and can be easily implemented by a noob like me to work with the html form. 3- a php script that will handle sending the email and can be easily implemented (all three working in harmony). I hope there is a complete solution but am I asking for too much? Pretty please...help...

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  • How to modify MapRoute (add new dir)

    - by LuRsT
    How can I change my map route so I can have another dir, and not just the controllers and actions. What I want is to have another directory before the controller so that way I can separate controller per "module" routes.MapRoute( "Default", // Route name "{module}/{controller}/{action}/{id}", // URL with params new { module = "module", controller = "controller", action = "Index", id = ""} This is what I want, but the code doesn't work. What more do I need to change to change the MapRoute?

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  • Facebook Javascript SDK's FB.ui Bug in IE8

    - by Lukas
    hi everyone i have found a bug in IE8 using the new Facebook Javascript SDK. i call a Post dialog using: FB.ui( { method: 'stream.publish', display: 'dialog', message: 'test', attachment: { name: 'test', caption: 'test', media: [ {type: 'image', src: site_url+'test.jpg', href: site_url} ], description: ( 'test' ), href: site_url } }, my html structure is: <body> <div id="content"></div> <script type="text/javascript"> var params = { wmode: 'opaque', allowScriptAccess: 'always', quality: 'high', allowFullScreen: "true" }; var attributes = { id: 'test' }; swfobject.embedSWF("frontend/swf/stage.swf", "content", "100%", "100%", "10", params, attributes); var site_url = 'http://test.com'; </script> <div id="fb-root"></div> <script type="text/javascript" src="http://connect.facebook.net/en_US/all.js"></script> <div id="like-dialog" style="display:none;"> <div id="like-dialog-wrapper"> <div id="like-dialog-close"></div> <iframe src="http://www.facebook.com/plugins/likebox.php?id=99999999999&amp;width=292&amp;connections=0&amp;stream=true&amp;header=false&amp;height=395" scrolling="no" frameborder="0" style="border:none; overflow:hidden; width:292px; height:395px;"></iframe> </div> </div> </body> the css: html, #content, body { margin: 0; height: 100%; overflow: hidden; } #content { z-index: 1; } what i do is: i embed my stage i call the FB.init function and then call FB.ui function to overlay my flash. it works in every common browser except IE8. in IE8 the div containing the iframe is behind the div where i embed flash, although i set the z-index and position the dialog absolute. any ideas? thanks in advance

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  • WCF chunking/streaming - make it transparent for client

    - by bybor
    While developing WCF service i've faced problem of transferring large data as method params ( 4 Mb of raw size, not considering transfer/message overhead). The solution for this problem is to use chunking or streaming, but all the samples i've seen assume client is aware of used method and uses available block size for sending/receiving portions of data, and the problem (for me) is that it's not possible to call just one method, like SaveData(DataInformation info) but write wrapper method which will instead iterate smth like SaveDataChunk(byte[] buffer) Could it be somehow made transparent for client, just calling 'SaveData'?

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  • Using Wicked with Devise for a sign up wizard

    - by demondeac11
    I am using devise with wicked to create a sign up wizard, but I am unsure about a problem I am having creating profiles. After a user provides their email & password they are forwarded to a step to create a profile based on whether they have specified they are a shipper or carrier. However I am unsure what the code should be in the controller and the forms to generically create a profile. Here is the code I have for the application: The steps controller: class UserStepsController < ApplicationController include Wicked::Wizard steps :carrier_profile, :shipper_profile def create @user = User.last case step when :carrier_profile @profile = CarrierProfile.create!(:dot => params[:dot]) if @profile.save render_wizard @user else flash[:alert] = "Record not saved" end when :shipper_profile @profile = ShipperProfile.create!(params[:shipper_profile) if @profile.save render_wizard @user else flash[:alert] = "Record not saved" end end end end end def show @user = User.last @carrier_profile = CarrierProfile.new @shipper_profile = ShipperProfile.new case step when :carrier_profile skip_step if @user.shipper? when :shipper_profile skip_step if @user.carrier? end render_wizard end end The form for a carrier profile: <% form_for @carrier_profile , url: wizard_path, method: :post do |f| %> <div> <%= f.label :dot, "Please enter your DOT Number:" %> <%= f.text_field :dot %> </div> <%= f.submit "Next Step", class: "btn btn-primary" %> <% end %> The form for a shipper profile: <% form_for @shipper_profile , url: wizard_path, method: :post do |f| %> <div> <%= f.label :company_name, "What is your company name?" %> <%= f.text_field :company_name %> </div> <%= f.submit "Next Step", class: "btn btn-primary" %> <% end %> The user model: class User < ActiveRecord::Base has_one :carrier_profile has_one :shipper_profile end How would I be able to write a generic new and create method to handle creating both profiles? With the current code it is stating that the user_steps controller has no POST method, although if I run rake routes I find that this is untrue.

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  • Rails 3 and RJS

    - by Denis
    Hi, I use the rails 3.0.0.beta Is there any new syntax to write RJS, here is an example def remote_create @photo = Photo.new(params[:photo]) respond_to do |format| if @photo.save # add @photo's thumbnail to last import tag format.js { render :update do |page| page.insert_html :bottom, 'polaroids' , :partial => 'polaroid', :locals => {:photo => @photo} end } else #... end end end

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  • Stack overflow in compojure web project

    - by Anders Rune Jensen
    Hi I've been playing around with clojure and have been using it to build a simple little audio player. The strange thing is that sometimes, maybe one out of twenty, when contacting the server I will get the following error: 2010-04-20 15:33:20.963::WARN: Error for /control java.lang.StackOverflowError at clojure.lang.RT.seq(RT.java:440) at clojure.core$seq__4245.invoke(core.clj:105) at clojure.core$filter__5084$fn__5086.invoke(core.clj:1794) at clojure.lang.LazySeq.sval(LazySeq.java:42) at clojure.lang.LazySeq.seq(LazySeq.java:56) at clojure.lang.RT.seq(RT.java:440) at clojure.core$seq__4245.invoke(core.clj:105) at clojure.core$filter__5084$fn__5086.invoke(core.clj:1794) at clojure.lang.LazySeq.sval(LazySeq.java:42) at clojure.lang.LazySeq.seq(LazySeq.java:56) at clojure.lang.RT.seq(RT.java:440) at clojure.core$seq__4245.invoke(core.clj:105) at clojure.core$filter__5084$fn__5086.invoke(core.clj:1794) at clojure.lang.LazySeq.sval(LazySeq.java:42) at clojure.lang.LazySeq.seq(LazySeq.java:56) at clojure.lang.RT.seq(RT.java:440) at clojure.core$seq__4245.invoke(core.clj:105) at clojure.core$filter__5084$fn__5086.invoke(core.clj:1794) at clojure.lang.LazySeq.sval(LazySeq.java:42) at clojure.lang.LazySeq.seq(LazySeq.java:56) at clojure.lang.RT.seq(RT.java:440) ... If I do it right after again it always works. So it appears to be related to timing or something. The code in question is: (defn add-track [t] (common/ref-add tracks t)) (defn add-collection [coll] (doseq [track coll] (add-track track))) and (defn ref-add [ref value] (dosync (ref-set ref (conj @ref value)))) where coll is extracted from this function: (defn tracks-by-album [album] (sort sort-tracks (filter #(= (:album %) album) @tracks))) which uses: (defn get-album-from-track [track] (seq/find-first #(= (:album track) (:name %)) @albums)) (defn sort-tracks [track1 track2] (cond (= (:album track1) (:album track2)) (cond (and (:album-track track1) (:album-track track2)) (< (:album-track track1) (:album-track track2)) :else 0) :else (> (:year (get-album-from-track track1)) (:year (get-album-from-track track2))))) it gets called more or less directly from the request I get in: (when-handle-command cmd params (audio/tracks-by-album decoded-name)) (defn when-handle-command [cmd params data] (println (str "handling command:" cmd)) ....) I never get the handling command in my log, so it must die when it does the tracks-by-album. so it does appear to be the tracks-by-album function from the stack trace. I just don't see why it sometimes works and sometimes doesn't. I say that it's tracks-by-album because it's the only function (including it's children) that does filter, as can be seen in the trace. All the source code is available at: http://code.google.com/p/mucomp/. It's my little hobby project to learn clojure and so far it's quite buggy (this is just one bug :)) so I havn't really liked to tell too many people about it yet :)

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  • OperationalError "unable to open database file" processing query results with SQLAlchemy and SQLite3

    - by Peter
    I'm running into this little problem that I hope is just a dumb user error. It looks like some sort of a size limit with a query to a SQLite database. I managed to reproduce the issue with an in-memory DB and a simple script shown below. I can make it work by either reducing the number of records in the DB; or by reducing the size of each record; or by dropping the order_by() call. I am using Python 2.5.5 and SQLAlchemy 0.6.0 in a Cygwin environment. Thanks! #!/usr/bin/python from sqlalchemy.orm import sessionmaker import sqlalchemy import sqlalchemy.orm class Person(object): def __init__(self, name): self.name = name engine = sqlalchemy.create_engine('sqlite:///:memory:') Session = sessionmaker(bind=engine) metadata = sqlalchemy.schema.MetaData(bind=engine) person_table = sqlalchemy.Table('person', metadata, sqlalchemy.Column('id', sqlalchemy.types.Integer, primary_key=True), sqlalchemy.Column('name', sqlalchemy.types.String)) metadata.create_all(engine) sqlalchemy.orm.mapper(Person, person_table) session = Session() session.add_all([Person("012345678901234567890123456789012") for i in range(5000)]) session.commit() persons = session.query(Person).order_by(Person.name).all() print "count =", len(persons) session.close() The all() call to the query result fails with the OperationalError exception: Traceback (most recent call last): File "./stress.py", line 27, in <module> persons = session.query(Person).order_by(Person.name).all() File "/usr/lib/python2.5/site-packages/sqlalchemy/orm/query.py", line 1343, in all return list(self) File "/usr/lib/python2.5/site-packages/sqlalchemy/orm/query.py", line 1451, in __iter__ return self._execute_and_instances(context) File "/usr/lib/python2.5/site-packages/sqlalchemy/orm/query.py", line 1456, in _execute_and_instances mapper=self._mapper_zero_or_none()) File "/usr/lib/python2.5/site-packages/sqlalchemy/orm/session.py", line 737, in execute clause, params or {}) File "/usr/lib/python2.5/site-packages/sqlalchemy/engine/base.py", line 1109, in execute return Connection.executors[c](self, object, multiparams, params) File "/usr/lib/python2.5/site-packages/sqlalchemy/engine/base.py", line 1186, in _execute_clauseelement return self.__execute_context(context) File "/usr/lib/python2.5/site-packages/sqlalchemy/engine/base.py", line 1215, in __execute_context context.parameters[0], context=context) File "/usr/lib/python2.5/site-packages/sqlalchemy/engine/base.py", line 1284, in _cursor_execute self._handle_dbapi_exception(e, statement, parameters, cursor, context) File "/usr/lib/python2.5/site-packages/sqlalchemy/engine/base.py", line 1282, in _cursor_execute self.dialect.do_execute(cursor, statement, parameters, context=context) File "/usr/lib/python2.5/site-packages/sqlalchemy/engine/default.py", line 277, in do_execute cursor.execute(statement, parameters) sqlalchemy.exc.OperationalError: (OperationalError) unable to open database file u'SELECT person.id AS person_id, person.name AS person_name \nFROM person ORDER BY person.name' ()

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  • jquery ui tabs load event does not fire

    - by illdev
    I have got the following very simple code: function init() { var articleTabs = $('#articleTabs'); articleTabs.tabs('add', admin.pageVars.siteRoot + '/articles/themes/' + admin.pageVars.params.id, 'Temas'); articleTabs.tabs({ load : function(event, ui) { $('.jsonForm').jsonForm(); } }); } This successfully adds a new tab panel to an existing tab control. However upon activation, the load function does never fire. What is my mistake? (There are no javascript exceptions)

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  • Insert into a star-schema

    - by shaun
    I've read a lot about star-schema's, about fact/deminsion tables, select statements to quickly report data, however the matter of data entry into a star-schema seems aloof to me. How does one "theoretically" enter data into a star-schema db? while maintaining the fact table. Is a series of INSERT INTO statement within giant stored proc with 20 params my only option (and how to populate the fact table). Many thanks.

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  • link_to passing paramater and display problem - tag feature - Ruby on Rails

    - by bgadoci
    I have gotten a great deal of help from KandadaBoggu on my last question and very very thankful for that. As we were getting buried in the comments I wanted to break this part out. I am attempting to create a tag feature on the rails blog I am developing. The relationship is Post has_many :tags and Tag belongs_to :post. Adding and deleting tags to posts are working great. In my /view/posts/index.html.erb I have a section called tags where I am successfully querying the Tags table, grouping them and displaying the count next to the tag_name (as a side note, I mistakenly called the column containing the tag name, 'tag_name' instead of just 'name' as I should have) . In addition the display of these groups are a link that is referencing the index method in the PostsController. That is where the problem is. When you navigate to /posts you get an error because there is no parameter being passed (without clicking the tag group link). I have the .empty? in there so not sure what is going wrong here. Here is the error and code: Error You have a nil object when you didn't expect it! You might have expected an instance of Array. The error occurred while evaluating nil.empty? /views/posts/index.html.erb <% @tag_counts.each do |tag_name, tag_count| %> <tr> <td><%= link_to(tag_name, posts_path(:tag_name => tag_name)) %></td> <td>(<%=tag_count%>)</td> </tr> <% end %> PostsController def index @tag_counts = Tag.count(:group => :tag_name, :order => 'updated_at DESC', :limit => 10) @posts=Post.all(:joins => :tags,:conditions=>(params[:tag_name].empty? ? {}: { :tags => { :tag_name => params[:tag_name] }} ) ) respond_to do |format| format.html # index.html.erb format.xml { render :xml => @posts } format.json { render :json => @posts } format.atom end end

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  • create a YYYY-MM-DD Daterange in JScript/Javascript.

    - by Marcus
    Hello. I need no generate a full daterange in JScript from a given Startdate to now. Startdate: 2010-03-25 2010-03-26 2010-03-27 ... 2010-05-30 I am very confused with Javascript Date. best would be a function to give a daterange as params and getting an Array of the formatted date back, something like that: range[0] = 2010-03-25 range[1] = 2010-03-26 range[2] = 2010-03-27 ... range[x] = 2010-05-30 I am so confused thanks for any hint marcus

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  • Programmatically specifying Django model attributes

    - by mojbro
    Hi! I would like to add attributes to a Django models programmatically, at run time. For instance, lets say I have a Car model class and want to add one price attribute (database column) per currency, given a list of currencies. What is the best way to do this? I had an approach that I thought would work, but it didn't exactly. This is how I tried doing it, using the car example above: from django.db import models class Car(models.Model): name = models.CharField(max_length=50) currencies = ['EUR', 'USD'] for currency in currencies: Car.add_to_class('price_%s' % currency.lower(), models.IntegerField()) This does seem to work pretty well at first sight: $ ./manage.py syncdb Creating table shop_car $ ./manage.py dbshell shop=# \d shop_car Table "public.shop_car" Column | Type | Modifiers -----------+-----------------------+------------------------------------------------------- id | integer | not null default nextval('shop_car_id_seq'::regclass) name | character varying(50) | not null price_eur | integer | not null price_usd | integer | not null Indexes: "shop_car_pkey" PRIMARY KEY, btree (id) But when I try to create a new Car, it doesn't really work anymore: >>> from shop.models import Car >>> mycar = Car(name='VW Jetta', price_eur=100, price_usd=130) >>> mycar <Car: Car object> >>> mycar.save() Traceback (most recent call last): File "<console>", line 1, in <module> File "/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/django/db/models/base.py", line 410, in save self.save_base(force_insert=force_insert, force_update=force_update) File "/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/django/db/models/base.py", line 495, in save_base result = manager._insert(values, return_id=update_pk) File "/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/django/db/models/manager.py", line 177, in _insert return insert_query(self.model, values, **kwargs) File "/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/django/db/models/query.py", line 1087, in insert_query return query.execute_sql(return_id) File "/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/django/db/models/sql/subqueries.py", line 320, in execute_sql cursor = super(InsertQuery, self).execute_sql(None) File "/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/django/db/models/sql/query.py", line 2369, in execute_sql cursor.execute(sql, params) File "/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/django/db/backends/util.py", line 19, in execute return self.cursor.execute(sql, params) ProgrammingError: column "price_eur" specified more than once LINE 1: ...NTO "shop_car" ("name", "price_eur", "price_usd", "price_eur... ^

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  • Importing Conditionally Compiled Functions From a Perl Module

    - by Robert S. Barnes
    I have a set of logging and debugging functions which I want to use across multiple modules / objects. I'd like to be able to turn them on / off globally using a command line switch. The following code does this, however, I would like to be able to omit the package name and keep everything in a single file. This is related to two previous questions I asked, here and here. #! /usr/bin/perl -w use strict; use Getopt::Long; { package LogFuncs; use threads; use Time::HiRes qw( gettimeofday ); # provide tcpdump style time stamp sub _gf_time { my ( $seconds, $microseconds ) = gettimeofday(); my @time = localtime($seconds); return sprintf( "%02d:%02d:%02d.%06ld", $time[2], $time[1], $time[0], $microseconds ); } sub logerr; sub compile { my %params = @_; *logerr = $params{do_logging} ? sub { my $msg = shift; warn _gf_time() . " Thread " . threads->tid() . ": $msg\n"; } : sub { }; } } { package FooObj; sub new { my $class = shift; bless {}, $class; }; sub foo_work { my $self = shift; # do some foo work LogFuncs::logerr($self); } } { package BarObj; sub new { my $class = shift; my $data = { fooObj => FooObj->new() }; bless $data, $class; } sub bar_work { my $self = shift; $self->{fooObj}->foo_work(); LogFuncs::logerr($self); } } my $do_logging = 0; GetOptions( "do_logging" => \$do_logging, ); LogFuncs::compile(do_logging => $do_logging); my $bar = BarObj->new(); LogFuncs::logerr("Created $bar"); $bar->bar_work();

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  • Example: Objective C method alongside a php method

    - by Nic Hubbard
    I am very used to javascript and php programing, and I just jumped into programing Objective C. After working with it for a few weeks, the methods still confused me, as to how it is passing params, and how the methods are named. Since I am used to php, I am used to seeing: function myFunc($param1, $param2, $param3, $param4) { return FALSE; } Could someone show me how this would be written in Objective C, so that I can get used to writing methods that have parameters?

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  • django: search forms and redirect

    - by gruszczy
    After processing form from POST I should redirect, to prevent user from hitting back. However, I am using form to determine search query on a database, so I need to either pass params to the redirected site or the result of a search. Or maybe there is some other good practice, how to solve this problem? Maybe in this situation I am allowed not to redirect (nothing happens, if user performs search again).

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