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How to dynamically create CSS class in JavaScript and apply?
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ASP.NET Identity DbContext confusion
A default MVC 5 App comes with this piece of code in IdentityModels.cs - this piece of code is for all the ASP.NET Identity operations for the default templates:
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iPhone: Detecting user inactivity/idle time since last screen touch
...t So changed it UIApplication and Implement above methods to detect user becoming idle but i am getting error "Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'There can only be one UIApplication instance.'".. is anything else i need to do...?
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In C# what is the difference between ToUpper() and ToUpperInvariant()?
...because it bit me years ago in Java, where I was upper-casing a string and comparing it with "MAIL". That didn't work so well in Turkey...
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Using margin:auto to vertically-align a div
...nts
margin-top:auto and margin-bottom:auto because their used values would compute as zero
margin-top:-50% because percentage-based margin values are calculated relative to the width of containing block
In fact, the nature of document flow and element height calculation algorithms make it impossibl...
Difference between Fact table and Dimension table?
... some cases.
More details:
Fact and dimension tables appear in a what is commonly known as a Star Schema. A primary purpose of star schema is to simplify a complex normalized set of tables and consolidate data (possibly from different systems) into one database structure that can be queried in a v...
Test if object implements interface
...or is null safe (the code you posted isn't).
instanceof is the built-in, compile-time safe alternative to Class#isInstance(Object)
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MySQL, better to insert NULL or empty string?
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How many characters can UTF-8 encode?
..., Coptic, Armenian, Hebrew, Arabic, Syriac and Tāna alphabets, as well as Combining Diacritical Marks.
Three bytes are needed for characters in the rest of the Basic Multilingual Plane, which contains virtually all characters in common use[12] including most Chinese, Japanese and Korean [CJK] ...