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AppDev: Something You Should Know by Irena Kennedy
Everything that is related to application development, and other cool stuff...
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AppDev: Something You Should Know by Irena Kennedy
:) Software Development – A Picture That’s Worth 1000 Words
Posted
over 6 years ago
by
irenake
3
Comments
Note : If you know of the source or author, please let me know so I can give proper credit. Special thanks to Gabe Brown for forwarding this image.
AppDev: Something You Should Know by Irena Kennedy
SYSK 335: What Causes Windows to Blue Screen?
Posted
over 6 years ago
by
irenake
1
Comments
Ever wonder what are the circumstances of when Windows blue screens? To my knowledge, if an unhandled exception occurs in kernel-mode code (e.g. a privileged device driver or the OS kernel itself), Windows considers it too unsafe to keep running, so it...
AppDev: Something You Should Know by Irena Kennedy
:) Do birds have singing lessons?
Posted
over 6 years ago
by
irenake
1
Comments
Apparently… yes! W. H. Thorpe (University of Cambridge) was the first to demonstrate learning in birds by performing what is now considered to be a classic experiment, involving the isolation of male chaffinches (European songbirds) in soundproof...
AppDev: Something You Should Know by Irena Kennedy
SYSK 334: Great Tools from DomainTools.com
Posted
over 6 years ago
by
irenake
0
Comments
http://whois.domaintools.com/ has been my long term favorite domain lookup tool for things like blacklist status, IP location, registrar information, etc. , but now it has a lot more information including search engine optimization (SEO) score, number...
AppDev: Something You Should Know by Irena Kennedy
Non-Tech SYSK: Get Current Traffic Conditions Along With Your Driving Directions
Posted
over 6 years ago
by
irenake
0
Comments
Did you know that http://maps.live.com/ now provides up-to-date traffic information shown using different colors (green, yellow, and red) to indicate traffic conditions along your route? Of course, you can remove it by clicking ‘Hide traffic conditions...
AppDev: Something You Should Know by Irena Kennedy
SYSK 333: What Query Plans Are Cached in SQL Server?
Posted
over 6 years ago
by
irenake
0
Comments
It’s well known that, to improve performance, SQL Server caches query execution plans in memory. But would you like to know what query execution plans are currently in the cache? The following query will yield that information: select substring...
AppDev: Something You Should Know by Irena Kennedy
:) What words were combines to give Intel its name?
Posted
over 6 years ago
by
irenake
1
Comments
Answer: Int egrated el ectronics. Source: The 365 amazing trivia facts calendar from www.pageaday.com
AppDev: Something You Should Know by Irena Kennedy
SYSK 332: How To Register Custom Controls Once For All Web Pages
Posted
over 6 years ago
by
irenake
0
Comments
Did you know that since .NET 2.0 you can define register directives in the <pages> element in your configuration instead of using @Register directive on every page? It’s especially useful if you’re using a custom control(s) in multiple web pages...
AppDev: Something You Should Know by Irena Kennedy
:) “To cure jealousy…
Posted
over 6 years ago
by
irenake
0
Comments
… is to see it for what it is: a dissatisfaction with the self.” – Joan Didion Source: 2007 Calendar ‘For Women Who Do Too Much’
AppDev: Something You Should Know by Irena Kennedy
SYSK 331: How To Expose A Client-Side Event From Your ASP.NET Control
Posted
over 6 years ago
by
irenake
1
Comments
Consider the following scenario – you create your own calendar control and you’d like to raise an event when a date is selected (e.g. OnDateClicked)… and you’d like for the users of your calendar control to process the event using JavaScript on the client...
AppDev: Something You Should Know by Irena Kennedy
Knowledge is Power: Synthetic Antioxidants May Increase Risk of Death
Posted
over 6 years ago
by
irenake
0
Comments
The results of several studies on affects of synthetic antioxidants such as beta carotene, vitamin A, vitamin E, vitamin C (ascorbic acid) and selenium were published in American Medical Association journal. In summary: “We did not find convincing...
AppDev: Something You Should Know by Irena Kennedy
SYSK 330: How To Use An Embedded Resource From A Sub-Folder
Posted
over 6 years ago
by
irenake
4
Comments
If you’re creating a custom client-side control by deriving from System.Web.UI.IScriptControl, you may want to embed the .js files into your assembly instead of having to deploy them to every web site that uses those controls (this is especially valuable...
AppDev: Something You Should Know by Irena Kennedy
Brain Teaser #4: Solve This Math Word Puzzle
Posted
over 6 years ago
by
irenake
5
Comments
Each letter stands for a 1-digit number. No two letters may stand for the same number. Using pen and paper (i.e. not writing a computer program), find a value for each letter from the following set: 0, 1, 2, 3, 4, 6, 7, 8, 9. BAD + LET --...
AppDev: Something You Should Know by Irena Kennedy
SYSK 329: AJAX.NET, WPF, Expression, IE Extensions and Other Hands-On Labs and Demos
Posted
over 6 years ago
by
irenake
1
Comments
Not going to MIX 07 this year? You can still download a number of videos, PowerPoint slides, scripted demons and hands-on labs on a variety of web development topics at http://visitmix.com/university/ .
AppDev: Something You Should Know by Irena Kennedy
:) How do nine-banded armadillos get across small bodies of water?
Posted
over 6 years ago
by
irenake
1
Comments
Answer: Either by gulping air into their stomach and intestines and floating across, or by sinking to the bottom of shallow water and using their claws to walk across. They can hold their breath for about six minutes. Source: The 365 amazing...
AppDev: Something You Should Know by Irena Kennedy
SYSK 328: The “Hidden” System Database in SQL 2005
Posted
over 6 years ago
by
irenake
0
Comments
If you just open SQL Server Management Studio and expand the System Databases node, you’ll see four databases – master, model, msdb and tempdb (just like in SQL 2000). However, SQL Server 2005 has a new system database called the ‘Resource’ database...
AppDev: Something You Should Know by Irena Kennedy
:) White for unmarried men, red for hitched…
Posted
over 6 years ago
by
irenake
0
Comments
Did you know that on the tiny Taquile Island in Lake Titicaca (on the border of Peru and Bolivia), you can quickly figure out who’s OPP without sneaking sidelong glances at ring fingers. It’s all on the head, in the form of bright, complexly patterned...
AppDev: Something You Should Know by Irena Kennedy
SYSK 327: The Cost of RoundedCornersExtender From AjaxControlToolkit
Posted
over 6 years ago
by
irenake
4
Comments
More and more web sites are using rounded corners on spans (labels) and panels. And since AjaxControlToolkit makes it sinfully easy to do, before I start using it extensively, I decided to do some profiling to see the cost of that extender. Here...
AppDev: Something You Should Know by Irena Kennedy
Knowledge is Power: Why You May Not Want To Give Your Name When Signing Up For a Store Loyalty Card
Posted
over 6 years ago
by
irenake
1
Comments
Supermarkets and pharmacies offer discounts when you sign up for their loyalty cards. But every time you swipe your card, you purchases are recorded for marketing purposes. These buying records are now being sold to life and health insurance companies...
AppDev: Something You Should Know by Irena Kennedy
SYSK 326: How to Measure AJAX Control Initialization Time on the Client Side
Posted
over 6 years ago
by
irenake
1
Comments
Say, you’ve added a few extender controls to make your AJAX-enabled web site look very ecstatically appealing to the end users. And now you’d like to evaluate the cost of beautifying your site in such manner. Measuring the additional page size bytes is...
AppDev: Something You Should Know by Irena Kennedy
Brain Teaser #3
Posted
over 6 years ago
by
irenake
2
Comments
If you subtract a three digit number (all digits unique) from another three digit number whose digits are reverse of the first number, you end up with another three digit number consisting of same digits, but in a different order: xyz – zyx = zxy...
AppDev: Something You Should Know by Irena Kennedy
SYSK 325: How To Tell Which UpdatePanel Issued a Page PostBack
Posted
over 6 years ago
by
irenake
5
Comments
If you have multiple UpdatePanel controls on a page, and your Page_Load has a lot of data retrieval and rendering logic, you may want to know exactly which UpdatePanel is being updated, and execute only relevant code segments to optimize performance....
AppDev: Something You Should Know by Irena Kennedy
:) Start Your Day with a Smile (#2)
Posted
over 6 years ago
by
irenake
0
Comments
One person says to another: “I’ve been travelling so much, I reach for the seat belt when I sit down at the movies.” Source: 2007 Calendar For Women Who Do Too Much
AppDev: Something You Should Know by Irena Kennedy
SYSK 324: WPF Grid Sorting Without Any Hardcoded References
Posted
over 6 years ago
by
irenake
0
Comments
Not sure why, but all grid sorting examples I’ve been coming across have at least something hardcoded – be it the sort column name, the data source display member, or something else. Also, the samples I’ve seen create a member variable to hold the information...
AppDev: Something You Should Know by Irena Kennedy
Knowledge is Power: To Sell or To Rent My House? Calculator provided…
Posted
over 6 years ago
by
irenake
3
Comments
I created an application that allows you to calculate and compare the future estate value given two scenarios: Sell a house and reinvest the proceeds at a fixed percentage for specified number of years and re-investing earned interest Keep the...
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