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Does constexpr imply inline?

... Yes ([dcl.constexpr], §7.1.5/2 in the C++11 standard): "constexpr functions and constexpr constructors are implicitly inline (7.1.2)." Note, however, that the inline specifier really has very little (if any) effect upon whether a compiler is likely to expand a function...
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TypeScript and field initializers

...ways have come up. Please see the other answers below that have more votes and a better answer. I cannot remove this answer since it's marked as accepted. Old answer There is an issue on the TypeScript codeplex that describes this: Support for object initializers. As stated, you can already do ...
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String vs. StringBuilder

I understand the difference between String and StringBuilder ( StringBuilder being mutable) but is there a large performance difference between the two? ...
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Detecting superfluous #includes in C/C++?

I often find that the headers section of a file get larger and larger all the time but it never gets smaller. Throughout the life of a source file classes may have moved and been refactored and it's very possible that there are quite a few #includes that don't need to be there and anymore. Leaving...
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TextEnhancer拓展 - 增强App中的文本格式 - App Inventor 2 拓展 - 清泛IT社区,为创新赋能!

...ffortlessly add advanced text features to your app, making it more dynamic and engaging for your users.Blocks[size=15.008px]SetTextJustification:Set or unset text justification for the specified label. Justification values: true to justify, false for no justification. blocks (26)[size=15.008px]800...
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Passing arguments with spaces between (bash) script

... $*, unquoted, expands to two words. You need to quote it so that someApp receives a single argument. someApp "$*" It's possible that you want to use $@ instead, so that someApp would receive two arguments if you were to call b.sh as b.sh ...
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How to draw a circle with text in the middle?

...ght of the div will center the text vertically. In this example the height and line-height are 500px. Example JSFiddle .circle { width: 500px; height: 500px; line-height: 500px; border-radius: 50%; font-size: 50px; color: #fff; text-align: center; background: #000 } <div clas...
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How do I convert a String object into a Hash object?

...en its string representation is "{:a=>#<Object:0x7f66b65cf4d0>}", and I can't use eval to turn it back into a hash because #<Object:0x7f66b65cf4d0> isn't valid Ruby syntax. However, if all that's in the hash is strings, symbols, numbers, and arrays, it should work, because those have...
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how does array[100] = {0} set the entire array to 0?

...at don't have a specified value, the compiler initializes pointers to NULL and arithmetic types to zero (and recursively applies this to aggregates). The behavior of this code in C++ is described in section 8.5.1.7 of the C++ specification (online draft of C++ spec): the compiler aggregate-initial...
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Devise - How do I forbid certain users from signing in?

... determine "active" state using #our own "is_active" column super and self.is_active? end end UPDATE As Matt Huggins notes, the method is now called active_for_authentication? (Documentation) share | ...