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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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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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ES6 class variable alternatives

...is syntax working. The notes in the ES wiki for the proposal in ES6 (maximally minimal classes) note: There is (intentionally) no direct declarative way to define either prototype data properties (other than methods) class properties, or instance property Class properties and prototype data proper...
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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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What does gcc's ffast-math actually do?

...tside of IEEE standards, but I can't seem to find information on what is really happening when it's on. Can anyone please explain some of the details and maybe give a clear example of how something would change if the flag was on or off? ...
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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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How do I disable the resizable property of a textarea?

... elements: textarea { resize: none; } To disable it for some (but not all) textareas, there are a couple of options. To disable a specific textarea with the name attribute set to foo (i.e., <textarea name="foo"></textarea>): textarea[name=foo] { resize: none; } Or, using an id...
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Bootstrap: How do I identify the Bootstrap version?

I want to update Bootstrap on a site, but I don't know the installed version. 11 Answers ...
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Git merge left HEAD marks in my files

...ess of merging, but there were some parts that Git couldn't merge automatically. You'll need to hand-edit those parts to what you want them to be and then commit the results. For instance, in your particular case, you'd probably want to resolve it like this (note - the arrows/text on the right ar...