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Why is using 'eval' a bad practice?

...d eval have nothing to do with each other. An application that's fundamentally mis-designed is fundamentally mis-designed. eval is no more the root cause of bad design than division by zero or attempting to import a module which is known not to exist. eval isn't insecure. Applications are insecu...
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Is there a Max function in SQL Server that takes two values like Math.Max in .NET?

...next guy. You can find multiple aggregates using SQL Server 2008's derived_tables like so: SELECT MAX(a), MAX(b) FROM (VALUES (1, 2), (3, 4), (5, 6), (7, 8), (9, 10) ) AS MyTable(a, b) share | impr...
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Can a local variable's memory be accessed outside its scope?

...? You rent a hotel room. You put a book in the top drawer of the bedside table and go to sleep. You check out the next morning, but "forget" to give back your key. You steal the key! A week later, you return to the hotel, do not check in, sneak into your old room with your stolen key, and look i...
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Short description of the scoping rules?

... Actually, a concise rule for Python Scope resolution, from Learning Python, 3rd. Ed.. (These rules are specific to variable names, not attributes. If you reference it without a period, these rules apply.) LEGB Rule Local — N...
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How do I lock the orientation to portrait mode in a iPhone Web Application?

...docs/Web/CSS/@viewport/orientation Based on the MDN browser compatibility table and the following article, looks like there is some support in certain versions of IE and Opera: http://menacingcloud.com/?c=cssViewportOrMetaTag This JS API Spec also looks relevant: https://w3c.github.io/screen-orien...
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How do I remove all .pyc files from a project?

... You are not quoting {}. What would happen if accidentally word-split and deleted an intermediate path which happens to be called like a fragment of the path you found? – Robottinosino Apr 3 '13 at 2:58 ...
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Count how many files in directory PHP

...n you include other directories within that directories and so on to count all files and exclude directories from the count? – The Bumpaster Jul 2 '16 at 13:40 1 ...
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How to convert a string to an integer in JavaScript?

...ing radix 10 is only necessary for older browsers. kangax.github.io/compat-table/es5/… – Grilse Jul 30 '15 at 10:31 25 ...
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Storyboard doesn't contain a view controller with identifier

...egue must be set, in my case DrivingDetails, but also the identifier in my tableViewController must be set as DrivingDetails...check my picture: I also removed the navigation view controller so now the 2 table view controllers are connected directly with a "push" animation. *****EDIT for XCODE 7...
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Exporting functions from a DLL with dllexport

...ain C exports, use a C project not C++. C++ DLLs rely on name-mangling for all the C++isms (namespaces etc...). You can compile your code as C by going into your project settings under C/C++->Advanced, there is an option "Compile As" which corresponds to the compiler switches /TP and /TC. If you ...