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Casting vs using the 'as' keyword in the CLR

... so if you really care about introducing the smallest number of variables possible in every scope, you might still want to use is followed by a cast. I don't think any of the answers so far (at the time of starting this answer!) have really explained where it's worth using which. Don't do this:...
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How do I expand the output display to see more columns of a pandas DataFrame?

...hether to print out the full DataFrame repr for wide DataFrames across multiple lines, `max_columns` is still respected, but the output will wrap-around across multiple "pages" if it's width exceeds `display.width`. display.float_format: [default: None] [currently: None] : callable ...
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Check if at least two out of three booleans are true

...(b || c) || (b && c); } It tests a and b exactly once, and c at most once. References JLS 15.25 Conditional Operator ? : share | improve this answer | follow ...
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Is there a quicker / better way to clear the iPhone Simulator cache than deleting its directory?

So I'm still reasonably new to iOS development and I'm finding myself quite regularly needing to delete either DerivedData, or the contents of the iPhone Simulator directory, to get things to actually execute from my code. Clean in Xcode doesn't do the same as emptying those directories, right? And ...
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GCC compile error with >2 GB of code

...t into shared libraries which you would dynamically link. If that is not possible, as someone suggested, instead of putting your data into code (compiling and linking it), since it is huge, you can load it at run time (either as a normal file, or you can mmap it). EDIT Seems like the large model ...
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Nodejs Event Loop

...erstand node.js architecture in order to write native modules. What I am posting here is my understanding of node.js and this might be a bit off track as well. Libev is the event loop which actually runs internally in node.js to perform simple event loop operations. It's written originally for *n...
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Can I see changes before I save my file in Vim?

...ew | r # | normal! 1Gdd diffthis exe "setlocal bt=nofile bh=wipe nobl noswf ro ft=" . filetype endfunction com! DiffSaved call s:DiffWithSaved() To get out of diff view you can use the :diffoff command. Below is a similar function, adapted to mimic the 'cvs diff' command... ...
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When should I use std::thread::detach?

...hread-local objects destructed. Crucially, this means that the stack of those threads is not unwound and thus some destructors are not executed. Depending on the actions those destructors were supposed to undertake, this might be as bad a situation as if the program had crashed or had been killed. ...
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What's the difference between disabled=“disabled” and readonly=“readonly” for HTML form input fields

...ide or provide default styling for disabled form elements. (Gray out or emboss text) Internet Explorer 5.5 is particularly nasty about this. Disabled form elements do not receive focus. Disabled form elements are skipped in tabbing navigation. The Read Only Attribute Not all fo...
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How to get error message when ifstream open fails

...r between the execution of the f.open and use of errno. On system with POSIX standard: errno is thread-local; setting it in one thread does not affect its value in any other thread. Edit (thanks to Arne Mertz and other people in the comments): e.what() seemed at first to be a more C++-...