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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
:) Why is the Sun red at sunrise and sunset?
Posted
over 6 years ago
by
irenake
0
Comments
Answer: Because at sunrise and sunset, the Sun’s rays have to travel a long distance through dense lower layers of the atmosphere to reach us; the particles in the air absorb and reflect away from use bluer wavelengths, leaving only the red ones for us...
AppDev: Something You Should Know by Irena Kennedy
SYSK 298: WPF: Control Whether a Grid’s Cell Is Editable in XAML
Posted
over 6 years ago
by
irenake
0
Comments
Say, you’re using a grid control to display some data, and you’re allowing users to modify data under certain circumstances. Based on a business rule, you’d like to “lock” a certain record (i.e. make it read-only). If you’re using data binding it...
AppDev: Something You Should Know by Irena Kennedy
:) What are the only three fruits native to North America?
Posted
over 6 years ago
by
irenake
0
Comments
Answer: Blueberries, cranberries, and Concord grapes. Source: The 365 amazing trivia facts calendar for 2007
AppDev: Something You Should Know by Irena Kennedy
SYSK 297: Condense JavaScript Code for Faster Download
Posted
over 6 years ago
by
irenake
2
Comments
Did you notice that Microsoft AJAX library JavaScript files come packaged as release and debug files; e.g. MicrosoftAjax.js and MicrosoftAjax.debug, MicrosoftAjaxWebForms.js and MicrosoftAjaxWebForms.debug.js, etc? One of the differences is that...
AppDev: Something You Should Know by Irena Kennedy
:) Which American state was the first to officially abolish slavery?
Posted
over 6 years ago
by
irenake
0
Comments
Answer: Vermont, in 1777, in its constitution. Source: The 365 amazing trivia facts calendar for 2007
AppDev: Something You Should Know by Irena Kennedy
SYSK 296: MSI Inventory tool
Posted
over 6 years ago
by
irenake
0
Comments
Do you want to see a list of products installed on your computer? What about a list of orphaned components? How about shared components? You can get this information for products that were installed using Microsoft Windows Installer technology (.msi)...
AppDev: Something You Should Know by Irena Kennedy
:) Wreaths made of what vegetable were awarded to victorious athletes at the Nemean games in ancient Greece?
Posted
over 6 years ago
by
irenake
4
Comments
Answer: Fresh wild celery (at that time known as parsley). Both, celery and parsley, were called selinon by the ancient Greeks. Source: The 365 amazing trivia facts calendar for 2007
AppDev: Something You Should Know by Irena Kennedy
SYSK 295: Difference between password handling in SQL 2000 and SQL 2005
Posted
over 6 years ago
by
irenake
0
Comments
Did you know that in SQL Server 2000, the engine used to maintain two copies/versions of each SQL Server login password. One contained the actual password supplied by the user, and the second one was the password converted by SQL Server to all uppercase...
AppDev: Something You Should Know by Irena Kennedy
:) Why Tundra flowers are mostly white or yellow?
Posted
over 6 years ago
by
irenake
0
Comments
Answer: Tundra flowers are pollinated mostly by flies (too cold for bees), and since, unlike bees, flies cannot distinguish colors, the flowers do not need to be so colorful… Source: Biggest Ever Book of Questions & Answers
AppDev: Something You Should Know by Irena Kennedy
SYSK 294: Surf Internet Anonymously
Posted
over 6 years ago
by
irenake
3
Comments
If you use Internet, chances are, your surfing habits and your overall Internet activity has been tracked and recorded by the web sites you’ve visited (including search engines) and your Internet service provider. Moreover, there is plethora of spyware...
AppDev: Something You Should Know by Irena Kennedy
:) Who was the first king to be called “the Great”?
Posted
over 6 years ago
by
irenake
1
Comments
Answer: Alexander III, the king of Macedonia (356-323 BC) who overthrew the Persian Empire. Source: The 365 amazing trivia facts calendar for 2007
AppDev: Something You Should Know by Irena Kennedy
SYSK 293: Business Rules – Easy, Flexible, Decoupled
Posted
over 6 years ago
by
irenake
5
Comments
From what I see, in this version, Microsoft Windows Workflow Foundation doesn’t allow you to author and use business rules without a link to an activity or a workflow… Also, the types of rules you can create are somewhat limited… After spending some time...
AppDev: Something You Should Know by Irena Kennedy
:) In real-estate shorthand, what does the acronym FDR represent?
Posted
over 6 years ago
by
irenake
0
Comments
Answer: Formal Dining Room. Source: The 365 amazing trivia facts calendar for 2007
AppDev: Something You Should Know by Irena Kennedy
SYSK 292: Assembly in GAC != Assembly in Add References .NET tab
Posted
over 6 years ago
by
irenake
1
Comments
Some think that .NET tab in Add References dialog shows shared assemblies residing in global assembly cache (GAC). This is incorrect. The assembly list in that tab comes from assemblies found in a few folders, not GAC; and the folders themselves...
AppDev: Something You Should Know by Irena Kennedy
:) What was the original name of the Bank of America?
Posted
over 6 years ago
by
irenake
1
Comments
Answer: The Bank of Italy. It was started in San Francisco in 1904 by Amadeo Giannini, the son of Italian immigrants, who changed its name to Bank of America in 1928. Source: The 365 amazing trivia facts calendar for 2007
AppDev: Something You Should Know by Irena Kennedy
SYSK 291: SQL 2005 SP 2 is Available and Comes with Good News About Licensing Costs
Posted
over 6 years ago
by
irenake
1
Comments
With SQL Server 2005 SP2 released to the web on Feb. 19, 2007, SQL Server Enterprise Edition customers, and I quote, “only need to purchase one license per physical processor regardless of the number of virtually deployed instances. “ In other words...
AppDev: Something You Should Know by Irena Kennedy
:) How did enthusiasts come to be called buffs – as in sports buffs, opera buffs, and computer buffs?
Posted
over 6 years ago
by
irenake
0
Comments
Answer: From the buff-colored coats once worn by New York City volunteer firemen who became known as fire buffs. Source: The 365 amazing trivia facts calendar for 2007
AppDev: Something You Should Know by Irena Kennedy
SYSK 290: ASP.NET AJAX -- $get vs. $find
Posted
over 6 years ago
by
irenake
4
Comments
Microsoft ASP.NET AJAX comes with a new method for getting a reference to an object representing an element on the page, e.g. input control, button, etc. -- $get . However, you might notice that there is another function that appears to do same...
AppDev: Something You Should Know by Irena Kennedy
:) What country requires judges to wear wigs?
Posted
over 6 years ago
by
irenake
1
Comments
Answer: In Great Britain judges still wear wigs maintaining an old tradition going back to 18 th century. The judge’s robe and the wig serve as an indication that the judge is the courtroom as a representative of law of the land and not as a private person...
AppDev: Something You Should Know by Irena Kennedy
SYSK 289: Want to Have a Choice of Running an XBAP Application in a Standalone Mode Using the Same Project File?
Posted
over 6 years ago
by
irenake
1
Comments
If this title is totally confusing to you, you may want to check out one of my previous posts XBAP Introduction … Based on same concept described in How to use the latest version of Visual Studio and build your project targeting earlier version...
AppDev: Something You Should Know by Irena Kennedy
:) Why are many Arctic shrubs evergreen?
Posted
over 6 years ago
by
irenake
0
Comments
Answer: There are only a few summer months at the Arctic suitable for the plants to photosynthesize and make their food. So, Arctic plants have adapted by keeping on the leaves formed in late summer, protected by dead leaves formed earlier in the year...
AppDev: Something You Should Know by Irena Kennedy
SYSK 288: Callbacks vs. Delegates Explained…
Posted
over 6 years ago
by
irenake
0
Comments
I’ve come across a number of write-ups some of which are conflicting each other when it comes to callbacks and delegates… So, I decided to create this post, which is my understanding of callbacks and delegates as applicable to .NET developers. First...
AppDev: Something You Should Know by Irena Kennedy
:) How much time per day does the average giraffe spend sleeping?
Posted
over 6 years ago
by
irenake
0
Comments
Answer: About 20 minutes, normally standing up, and usually for about 5 minutes or so at a time. Source: The 365 amazing trivia facts calendar for 2007
AppDev: Something You Should Know by Irena Kennedy
SYSK 287: Custom C#/VB (CLR) Types Used in SQL Server
Posted
over 6 years ago
by
irenake
0
Comments
Did you know that you can use custom CLR types in Microsoft SQL Server by adding [ Serializable , Microsoft.SqlServer.Server. SqlUserDefinedType ] attribute? And, yes, you can implement and use methods – see Microsoft.SqlServer.Server. SqlMethod attribute...
AppDev: Something You Should Know by Irena Kennedy
:) What’s the difference between heat and temperature?
Posted
over 6 years ago
by
irenake
8
Comments
Answer: Heat is the combined energy of all moving molecules. Temperature is a measure of how fast the molecules are moving. Source: Biggest Ever Book of Questions & Answers (excellent, in my opinion, book for kids and adults)
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