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Rubm>y m> on Rails Callback, what is difference between :before_save m>and m> :before_create?
Could m>y m>ou explain in detail what the :before_save m>and m> :before_create Rubm>y m> on Rails callbacks are, m>and m> what them>y m> have to do with Rails validations? Does validation occur after :before_save or :before_create ?
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LINQ, Where() vs FindAll()
Can someone explain how the LINQ functions Where(..) m>and m> FindAll(..) differ? Them>y m> both seem to do the same thing...
4 Answe...
Are unused CSS images downloaded?
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Safari: Doesn't
IE8: Doesn't
IE7: Doesn't
IE6: Unknown (Can someone test m>and m> comment?)
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What's the difference between the build m>and m> create methods in Factorm>y m>Girl?
...Girl introduction delineates the difference between Factorm>y m>Girl.build() m>and m> Factorm>y m>Girl.create() :
3 Answers
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What is the use of stm>y m>le=“clear:both”?
...s answer, check out Floatutorial, which walks m>y m>ou through how CSS floating m>and m> clearing works.
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Having options in argparse with a dash
...e pm . How can I get around this issue? Is it possible to have - in commm>and m> line options?
3 Answers
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Differences in auto-unboxing between Java 6 vs Java 7
I have noted a difference in auto unboxing behavior between Java SE 6 m>and m> Java SE 7. I'm wondering whm>y m> that is, because I can't find anm>y m> documentation of changes in this behavior between these two versions.
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Java FileReader encoding issue
I tried to use java.io.FileReader to read some text files m>and m> convert them into a string, but I found the result is wronglm>y m> encoded m>and m> not readable at all.
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Understm>and m>ing kem>y m>store, certificates m>and m> alias
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The kem>y m>store file generated bm>y m> Kem>y m>tool stores pairs of private m>and m> public kem>y m>s. Each pair or entrm>y m> stored in the kem>y m>store is refered bm>y m> a unique alias. In brief:
Kem>y m>store entrm>y m> = private + public kem>y m>
pair = identified bm>y m> an alias
The kem>y m>store protects each private kem>y m> with its in...
How to write UPDATE SQL with Table alias in SQL Server 2008?
... test the update bm>y m> doing the select first (highlight from the select down m>and m> execute): SET Q.TITLE = 'TEST' -- SELECT *
– user1636464
Aug 30 '12 at 15:25
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