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Why use 'virtual' for class properties in Entity Framework model definitions?
...blog: http://weblogs.asp.net/scottgu/archive/2010/07/16/code-first-development-with-entity-framework-4.aspx
7 Answers
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Join vs. sub-query
I am an old-school MySQL user and have always preferred JOIN over sub-query. But nowadays everyone uses sub-query, and I hate it; I don't know why.
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How is a CRC32 checksum calculated?
Maybe I'm just not seeing it, but CRC32 seems either needlessly complicated, or insufficiently explained anywhere I could find on the web.
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Which equals operator (== vs ===) should be used in JavaScript comparisons?
I'm using JSLint to go through JavaScript, and it's returning many suggestions to replace == (two equals signs) with === (three equals signs) when doing things like comparing idSele_UNVEHtype.value.length == 0 inside of an if statement.
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How can I measure the speed of code written in PHP? [closed]
How can I say which class of many (which all do the same job) execute faster? is there a software to measure that?
10 Answe...
AngularJS : When to use service instead of factory
...value that is returned by
invoking the function reference (the return statement in factory).
ref: angular.service vs angular.factory
Second:
Keep in mind all providers in AngularJS (value, constant, services, factories) are singletons!
Third:
Using one or the other (service or factory) is a...
What is the maximum possible length of a .NET string?
...re silent on this question as far as I can see, so an authoritative answer might require some knowledge of internals. Would the maximum change on a 64-bit system?
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Proper use of beginBackgroundTaskWithExpirationHandler
I'm a bit confused about how and when to use beginBackgroundTaskWithExpirationHandler .
5 Answers
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How to generate and validate a software license key?
I'm currently involved in developing a product (developed in C#) that'll be available for downloading and installing for free but in a very limited version. To get access to all the features the user has to pay a license fee and receive a key. That key will then be entered into the application to "u...
Why use softmax as opposed to standard normalization?
In the output layer of a neural network, it is typical to use the softmax function to approximate a probability distribution:
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