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In absence of preprocessor macros, is there a way to define practical scheme specific flags at proje

... The simplest example is the DEBUG=1 macro that is defined by default for all Xcode projects in the default scheme for the Run build. One could query #ifdef DEBUG ... and make decisions in the code accordingly, even compiling out non-necessary code. ...
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How to have click event ONLY fire on parent DIV, not children?

... a little complex). In this case, because objects are being compared, it really doesn't make a difference, but you'll find that most people will still stick with the strict comparison. – user1106925 Jul 9 '15 at 18:26 ...
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Entity Framework Refresh context?

...in your context is to dispose your context and create a new one. If you really need to refresh some entity and you are using Code First approach with DbContext class, you can use public static void ReloadEntity<TEntity>( this DbContext context, TEntity entity) wh...
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What is __stdcall?

... __stdcall is the calling convention used for the function. This tells the compiler the rules that apply for setting up the stack, pushing arguments and getting a return value. There are a number of other calling conventions, __cd...
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Sqlite primary key on multiple columns

... @pratnala In standard SQL, yes. In SQLite, NULL is allowed in primary keys. This answer emphasizes that if you want more standard behavior, you need to add the NOT NULL yourself. My answer is just the very basic syntax for a multi-column primary key. – B...
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How can I get a Dialog style activity window to fill the screen?

...tivity with the dialog theme set, and I want it to be full screen. I tried all sorts of things, even going through the WindowManager to expand the window to full width and height manually, but nothing works. ...
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Run a string as a command within a Bash script

... eval is an evil command in all programming languages so use it with caution. – Krishnadas PC Jul 17 '18 at 6:50 1 ...
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How to automatically generate N “distinct” colors?

I wrote the two methods below to automatically select N distinct colors. It works by defining a piecewise linear function on the RGB cube. The benefit of this is you can also get a progressive scale if that's what you want, but when N gets large the colors can start to look similar. I can also imagi...
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ScrollIntoView() causing the whole page to move

...ou want to scroll, you'll need to change the scrollTop of each one individually, based on the offsetTops of the intervening elements. This should give you the fine-grained control to avoid the problem you're having. EDIT: offsetTop isn't necessarily relative to the parent element - it's relative t...
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What is the 'override' keyword in C++ used for? [duplicate]

... removed (not alternated). This is useful if the subclass is expecting a callback but it will never happen due to the library change, etc. – Hei Mar 11 '18 at 5:32 ...