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The difference between fork(), vfork(), exec() and clone()

... in fork(), either child or parent process will execute based on cpu selection.. But in vfork(), surely child will execute first. after child terminated, parent will execute. share | improve ...
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Why is IoC / DI not common in Python?

...s great use of inversion of control. For instance, the database server is selected by the configuration file, then the framework provides appropriate database wrapper instances to database clients. The difference is that Python has first-class types. Data types, including classes, are themselves ...
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Is it necessary to write HEAD, BODY and HTML tags?

...licity reasons it’s best served omitting all optional tags, not just a selection.) <!-- Not recommended --> <!DOCTYPE html> <html> <head> <title>Spending money, spending bytes</title> </head> <body> <p>Sic.</p> </bod...
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When is it appropriate to use UDP instead of TCP? [closed]

... I just now ran a test out of curiosity. The test read 1 million records (select * from sometable). I set the number of records to return with each individual client request to be 1, 10, and then 100 (three test runs with each protocol). The server was only two hops away over a 100Mbit LAN. The ...
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How to check if an object is a certain type

... Is there a performance difference between the two? - What about Select Case (Obj.GetType()) with multiple test cases Vs multiple IF TypeOf Obj is ...? – Luke T O'Brien May 22 '17 at 16:27 ...
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Entity Framework 4 - AddObject vs Attach

...m d in context.Destinations where d.Name == "Grand Canyon" select d).Single(); } DeleteDestination(canyon); } private static void DeleteDestination(Destination destination) { using (var context = new BreakAwayContext()) { context.Destinations.Attach(destinatio...
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What are the pros and cons to keeping SQL in Stored Procs versus Code [closed]

...non performant table or that which uses a higher level of serialization or select *'s in the code etc. It becomes easier to find schema changes / data manipulation logic changes when all of it is listed in one file. It becomes easier to do search and replace edits on SQL when they are in the same ...
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How does Windows 8 Runtime (WinRT / Windows Store apps / Windows 10 Universal App) compare to Silver

...tioned above to see what's there; or just fire up Object Browser in VS and select "Windows 8.0" in the framework selector, to see what's covered. There's a lot there, and it doesn't deal with UI alone - you also get namespaces such as Windows.Data.Json, or Windows.Graphics.Printing, or Windows.Netwo...
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Xcode 4.5 Storyboard 'Exit'

... for your unwind segue and then connect from an element to the exit button selecting the method you wish to call. You can find an example here (I have updated my answer as well to include the example) – Alladinian Oct 22 '12 at 8:18 ...
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When to use ' (or quote) in Lisp?

...WITH-STRING (LENGTH STRING)) Hey! That's not what we wanted. We want to selectively evaluate some arguments, and leave the others as symbols. Try #2! (defun mess-with (number string) (list 'value-of-number (1+ number) 'something-with-string (length string))) Lisp> (mess-with 20 "foo") (VAL...