day and night blog

JSON on Android

2011-05-19T15:25:00.000+03:00

google-gson is the best JSON library I've seen so far. Let's say JSON is something like this: [{"id":2,"lon":-3.51984,"address":"McArthur Glen Designer Outlet, Almondvale Avenue, Livingston", * "name":"Livingston","postcode":"EH54 6QX", "url":"http:\/\/new.myvue.com\/latest-movies\/cinema\/livingston\/? * &utm_campaign=XMLGateway&utm_source=iphone&utm_medium=Website&p=iphone","lat":55.88248},

AdMob issued an undocumented update to their Android SDK

2011-05-19T15:18:00.003+03:00

The recent Android AdMob SDK update includes GoogleAdMobAdsSdk-4.1.0.jar and a new way of configuration is required. However, as of time of writing, this has not been documented yet on Google/AdMob official site. Just replacing the old jar with the new one gives the following error: "AdView missing required XML attribute "adSize". " Here is the solution explained by a Google employee: 1)

Moldova Republic can now buy apps from Google store

2011-05-12T09:38:00.000+03:00

Moldova just has been added to the list of the countries were you can buy paid applications on Android Market.

I'm back

2011-05-12T09:37:00.000+03:00

I'm back.

How to adjust brightness with vlc media player?

2010-05-23T10:12:00.001+03:00

To adjust brightness on vlc media player: Select menu item Tools -> Effects and Filters, choose tab Video Effects.

minor touches

2009-02-26T13:54:00.012+02:00

Some minor changes could be made to the Ajax live bookmark search example on page 109 of the book Learning Website Development with DjangoFirst, at the end of bookmark_list.html we could add the same condition check as in search.html in order to avoid displaying 'No bookmarks found' message when searching for an empty string:...{% else %} {% if show_results %} No bookmarks found. {% endif %} {%

Learning Website Development with Django errata

2009-02-25T09:56:00.011+02:00

The book Learning Website Development with Django has been written for Django 0.96. In my spare time I am following its code while using Django 1.0 and making corrections where(hopefully) it seems appropriate.On page 104 instead of ...if request.GET.has_key('query'): show_results = True query = request.GET['query'].strip() if query: form = SearchForm({'query' : query})

о книге Learning Website Development with Django

2009-02-04T10:52:00.021+02:00

Книга неплохая но есть и некоторые нестыковки. Необычно выглядит использование __str__ в моделях вместо настоятельно рекомендуемого __unicode__.(см. Choosing between __str__() and __unicode__()) Книга показалась интересной поэтому продолжил чтение сверяя код из книги с документацией. Вскоре наткнулся на следущую незавершенность. Вот модель которую предлагает автор(после замены __str__ на __

Зачистка

2009-01-28T15:59:00.005+02:00

До выхода NetBeans 7.0 Milestone2 с поддержкой Django и чисткой проекта осталось больше двух недель. Несмотря на то что чистить Питон проект особой нужды нет, привычка, похоже, действительно вторая натура. Поэтому :#!/usr/bin/env python#----------------------------------------------------#use ';' to separate the extentions if more than one,#for example: pattern = "*.pyc;*.doc;*.txt"#all of the

List environment variables from Python

2008-12-26T10:35:00.004+02:00

To print the list of environment variables use the following code:import osfor param in os.environ.keys(): print "%20s %s" % (param,os.environ[param])

Cross-page posts and OnClientClick

2008-11-27T09:41:00.018+02:00

The Button.OnClientClick property is a convenient way of executing additional client side script when the Click event is raised.For example, after clicking the following button :a confirmation dialog will pop up:If the confirmation box returns false, the button click is canceled.

Custom Templates for Dynamic Data Web Application

2008-11-12T15:30:00.012+02:00

While following the MSDN documentation on DynamicData found myself stuck on How to: Customize the Layout of an Individual Table By Using a Custom Page Template.After copying List.aspx to the CustomPages folder the project just would not compile:The naming collision is obvious and I couldn't believe my eyes - the MSDN article seemed to be incorrect.Solution: the MSDN article is written for a

NVI pattern (again)

2008-11-07T10:32:00.012+02:00

There was an example of the Non Virtual Interface pattern in a previous post . Time has come to show its use in the FCL. Technically speaking, the Collection class is not a demonstration of using of the NVI per se, but still an incentive to apply the pattern in your own code.After deriving from System.Collections.ObjectModel.Collection you have exactly the same functionality as in a List

ANSI C and C# bit-fields comparison

2008-11-03T10:10:00.004+02:00

We can achieve storage space saving in ANSI C by one of the following means:1. define a set of bit-field masks:#define MONDAY 01#define TUESDAY 02#define WEDNESDAY 042. declare an enum with bit-fields:enum { MONDAY = 01, TUESDAY = 02, WEDNESDAY = 03};/*turn on Monday and Wednesday:*/days |= MONDAY | WEDNESDAY;/*turn off Monday and Wednesday:*/days &= ~(MONDAY | WEDNESDAY);/*is true if Monday and

Restore a SQL Server 2005 Express database from a *.bak file

2008-10-29T17:17:00.008+02:00

How to restore a SQL Express 2005 database from an existing *.bak to an *.mdf file:1. download and install SQL Server Management Studio from the official site or use the direct link2. right click on 'Databases' folder in the Object Explorer, choose restore database.3. under 'Specify the source and location of backup sets to restore' choose 'From device', click on browse button, add your bak file

Wait and Pulse fun

2008-10-27T11:44:00.001+02:00

If you want two threads to increment a variable in an alternating manner, a nice way of doing it could be the following: class EntryPoint { static private int counter = 0; static private object theLock = new Object(); static private void ThreadFunc1() { lock (theLock) { for (int i = 0; i < 50; ++i) { Monitor.Wait(theLock

MVC's UpdateModel function and the AcceptVerbs attribute(unrelated)

2008-10-21T12:24:00.006+03:00

After you create your new model object within the controller action, you want to populate its properties with the corresponding values from the FormCollection, right? If for example you have a model Message class: public class Message { public Message() { } public Message(int id, string author, string subject, string body) { this.Id = id; this.Author

Upgrading from MVC preview 5 to MVC Beta

2008-10-18T11:24:00.004+03:00

Here is what I did to my toy project to make it work under MVC Beta:1. Removed reference to Microsoft.Web.Mvc.dll.2. Set 'Copy Local' option to true for the System.Web.Mvc.dll.3. Added to the namespaces section of Web.config.

Non-Virtual Interface Pattern

2008-10-15T21:47:00.013+03:00

An interesting design pattern found in chapter 13 of "Accelerated C# 2008" by Trey Nash.Suppose after writing and delivering your base class to thousands of users you want some pre and/or post work done.Instead of introducing two more methods, PreDoWork() and PostDoWork() and asking your users to reimplement their overrides to call these new methods on the correct time, use the Non-Virtual