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  • maintain pageViews in global.asax (asp.net)

    - by nishant
    I need a function in global.asax file which gets called only once when user enter a page url. application_beginrequest gets called 50-60 times in a single page( as to render a page several requests go to server.) i though of a solution - I can write my fucntion in global.asax and call it on page load of other pages but in that solution I need to call it in every page. I would prefer something which is to be done only in global.asax

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  • DVD burn IStream data

    - by sijith
    i want to write single directory into my DVD. How can i pass data in form of IStream. m_hResult = m_discFormatData->Write(m_streamData); How to show my directory to IStream Please help

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  • Casting functions -- Is it a code smell?

    - by Earlz
    I recently began to start using functions to make casting easier on my fingers for one instance I had something like this ((Dictionary<string,string>)value).Add(foo); and converted it to a tiny little helper function so I can do this ToDictionary(value).Add(foo); Is this a code smell? (also I've marked this language agnostic even though my example is C#)

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  • jQuery DateTime Picker

    - by fluid_chelsea
    I've been looking around for a decent jQuery plugin that can handle both dates and times. The core UI DatePicker is great, but unfortunately I need to be able to take time in as well. I've found a few hacks for the DatePicker to work with times, but they all seem pretty inelegant and google isn't turning up anything nice. Do any of you know of a good jQuery plugin for selecting dates and times in a single UI control with a usable interface? Thanks!

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  • Maximum Year in Expry Date of Credit Card

    - by Art
    Various online services have different values for maximum year of expiry, when it comes to Credit Cards. For instance: Basecamp: +15 years (2025) Amazon: +20 years (2030) Paypal: +19 years (2029) What is the reasonable maximum here? Are there any official guidelines?

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  • How do I add a condition to all ActiveRecords Queries for a particular model?

    - by Kyle West
    I am using the sentient_user gem to have access to the current_user object in my application. I want to override the default ActiveRecordBase queries to scope them to the current user. For instance, I don't want my users looking at, deleting, modifying other user's orders. I feel like I should be able to override a single (or couple) ActiveRecordBase methods to accomplish this, but I don't know which or how. Thanks in advance.

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  • Use of * in Objective C Syntax

    - by user263097
    I'm struggling a bit with some objective c syntax. Can someone please elaborate on the usage of * in the following instance method. - (IBAction)sliderChanged:(id)sender{ UISlider *slider = (UISlider *)sender; } I realize that we are creating a variable typed as UISlider and then setting it to sender once it is cast as a UISlider. However, I don't understand what the * are for and why UISlider slider = (UISlider)sender; won't work.

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  • Singleton object in IIS Web Garden

    - by Anwar Chandra
    I have a lot of Singleton implementation in asp.net application and want to move my application to IIS Web Garden environment for some performance reasons. CMIIW, moving to IIS Web Garden with n worker process, there will be one singleton object created in each worker process, which make it not a single object anymore because n 1. can I make all those singleton objects, singleton again in IIS Web Garden?

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  • MySQL: select words as rows even som are "new line" separated in one field

    - by Tillebeck
    Hi I have a table with a field where words are written separated with new lines. So a select on this single field from to rows will output 3 lines for first row and 2 lines for second row: Row1 designationer nye kolonier mindre byer Row2 udsteder bopladser I would like to do a select that select all these lines as if they had been rows in the table like: SELECT do_the_split(field) FROM table so the result would be more like: Row1 designationer Row2 nye kolonier Row3 mindre byer Row4 udsteder Row5 bopladser is there any way to do this in MySQL? BR. Anders

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  • What good alternatives to CHM are there for context sensitive help documents in desktop applications

    - by ninesided
    We currently have a number of desktop applications (PowerBuilder, Winforms, WPF) that make use of a single CHM for context sensitive help. We'd like to move away from CHM as it's difficult to maintain but we've not found a suitable alternative. Ideally we'd like our developers to keep the help files up to date (perhaps in a wiki) as they add funtionality and simply export this to PDF or something like that, but is it possible to use a PDF for context sensitve help, or are there any other promising alternative to CHM?

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  • XML deserializer (Iserialzable)

    - by user311130
    Hey everybody, I have a class in c# that implements Iserialzable. I'm using a XMLSerializer that produces a XML from instance of that class. I get the following XML: <?xml version="1.0"?> <Configuration xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <SessionConfiguration> <RemoteMachineName>HV-BENDA</RemoteMachineName> </SessionConfiguration> <SessionsCredentialsList> <CredentialsItem> <User>test0</User> <Password>Pa$$word1</Password> </CredentialsItem> <CredentialsItem> <User>test1</User> <Password>Pa$$word1</Password> </CredentialsItem> <CredentialsItem> <User>test2</User> <Password>Pa$$word1</Password> </CredentialsItem> <CredentialsItem> <User>test3</User> <Password>Pa$$word1</Password> </CredentialsItem> <CredentialsItem> <User>test4</User> <Password>Pa$$word1</Password> </CredentialsItem> </SessionsCredentialsList> <TIME_OUT /> <LOCAL_USERS_NUM>5</LOCAL_USERS_NUM> </Configuration> At some later point in the code I use a XMLSerializer again to deserial that XML document. and I get the following error: {"There is an error in XML document (1, 1)."} Inner exception: {"Data at the root level is invalid. Line 1, position 1."} Do someone knows wat could be the problem? All the best

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  • In MySQL, what is the most effective query design for joining large tables with many to many relatio

    - by lighthouse65
    In our application, we collect data on automotive engine performance -- basically source data on engine performance based on the engine type, the vehicle running it and the engine design. Currently, the basis for new row inserts is an engine on-off period; we monitor performance variables based on a change in engine state from active to inactive and vice versa. The related engineState table looks like this: +---------+-----------+---------------+---------------------+---------------------+-----------------+ | vehicle | engine | engine_state | state_start_time | state_end_time | engine_variable | +---------+-----------+---------------+---------------------+---------------------+-----------------+ | 080025 | E01 | active | 2008-01-24 16:19:15 | 2008-01-24 16:24:45 | 720 | | 080028 | E02 | inactive | 2008-01-24 16:19:25 | 2008-01-24 16:22:17 | 304 | +---------+-----------+---------------+---------------------+---------------------+-----------------+ For a specific analysis, we would like to analyze table content based on a row granularity of minutes, rather than the current basis of active / inactive engine state. For this, we are thinking of creating a simple productionMinute table with a row for each minute in the period we are analyzing and joining the productionMinute and engineEvent tables on the date-time columns in each table. So if our period of analysis is from 2009-12-01 to 2010-02-28, we would create a new table with 129,600 rows, one for each minute of each day for that three-month period. The first few rows of the productionMinute table: +---------------------+ | production_minute | +---------------------+ | 2009-12-01 00:00 | | 2009-12-01 00:01 | | 2009-12-01 00:02 | | 2009-12-01 00:03 | +---------------------+ The join between the tables would be engineState AS es LEFT JOIN productionMinute AS pm ON es.state_start_time <= pm.production_minute AND pm.production_minute <= es.event_end_time. This join, however, brings up multiple environmental issues: The engineState table has 5 million rows and the productionMinute table has 130,000 rows When an engineState row spans more than one minute (i.e. the difference between es.state_start_time and es.state_end_time is greater than one minute), as is the case in the example above, there are multiple productionMinute table rows that join to a single engineState table row When there is more than one engine in operation during any given minute, also as per the example above, multiple engineState table rows join to a single productionMinute row In testing our logic and using only a small table extract (one day rather than 3 months, for the productionMinute table) the query takes over an hour to generate. In researching this item in order to improve performance so that it would be feasible to query three months of data, our thoughts were to create a temporary table from the engineEvent one, eliminating any table data that is not critical for the analysis, and joining the temporary table to the productionMinute table. We are also planning on experimenting with different joins -- specifically an inner join -- to see if that would improve performance. What is the best query design for joining tables with the many:many relationship between the join predicates as outlined above? What is the best join type (left / right, inner)?

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  • Benchmarking a particular method in Objective-C

    - by Jasconius
    I have a critical method in an Objective-C application that I need to optimize as much as possible. I first need to take some easy benchmarks on this one single method so I can compare my progress as I optimize. What is the easiest way to track the execution time of a given method in, say, milliseconds, and print that to console.

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  • Method name collision in interface implementation - Java

    - by Bhaskar
    If I have two interfaces , both quite different in their purposes , but with same method signature , how do I make a class implement both without being forced to write a single method that serves for the both the interfaces and writing some convoluted logic in the method implementation that checks for which type of object the call is being made and invoke proper code ? In C# , this is overcome by what is called as explicit interface implementation. Is there any equivalent way in Java ?

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  • How can a not null constraint be dropped?

    - by Tomislav Nakic-Alfirevic
    Let's say there's a table created as follows: create table testTable ( colA int not null ) How would you drop the not null constraint? I'm looking for something along the lines of ALTER TABLE testTable ALTER COLUMN colA DROP NOT NULL; which is what it would look like if I used PostgreSQL. To my amazement, as far as I've been able to find, the MySQL docs, Google and yes, even Stackoverflow (in spite of dozens or hundreds of NULL-related questions) don't seem to lead towards a single simple SQL statement which will do the job.

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  • looking for automated modeling tool for ASP.Net class diagramming

    - by alchemical
    I'm walking into a project with 500+ classes, and am wondering if anyone has had good experiences with automated modeling tools that can import from ASP.Net /C#? It would be a bonus if I could get an automated model based on all the objects called to completely load a single ASP.Net page, with relationships indicating which objects are calling out to which other ones, etc. Thanks for sharing your thoughts or recomendations.

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  • Rails Controller Tests for Captcha using Shoulda, Factory Girl, Mocha

    - by Siva
    Can someone provide a strategy/code samples/pointers to test Captcha validations + Authlogic using Shoulda, Factory Girl and Mocha? For instance, my UsersController is something like: class UsersController < ApplicationController validates_captcha ... def create ... if captcha_validated? # code to deal with user attributes end ... end In this case, how do you mock/stub using Shoulda / Factory Girl / Mocha to test valid and invalid responses to the Captcha image? Appreciate your help, Siva

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  • Getting the right WPF dispatcher in a thread.

    - by Bert
    Hi, In the constructor of an object i need to create a WPF mediaElement object: m_videoMedia = new MediaElement(); but the class can also be instantiated from a other thread so i need to use Dispatcher.Invoke(DispatcherPriority.Normal, (Action)(() => { m_videoMedia = new MediaElement(); })); But how can I get the right dispatcher instance in that constructor :s

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