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What are the differences between ipython and bpython?

...g. Run functions in the background in a separate task with %bg. A whole parallel programming environment (not really a feature you expect from an interactive Python shell, but IPython offers it). This list could be nearly arbitrarily continued. And of course there will be lots of features in bpyt...
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Mongo: find items that don't have a certain field

...rpret it as the field has to be equal to null and not missing. This is actually unexpected behavior, because you wouldn't be able to do the same for 0 (which is also false), so null is kind of the exception here. Therefore, best practice is the more readable answer using $exists: false which is not ...
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How to change spinner text size and text color?

... can't this be done by using style only? I am surprised how small stuff is so difficult to style in android.. this is frustrating.. I wished they had a styling system like css – yeahman Mar 14 '16 at 18:54 ...
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How to use Morgan logger?

...mote ip, request method, http version, response status, user agent etc. It allows you to modify the log using tokens or add color to them by defining 'dev' or even logging out to an output stream, like a file. For the purpose we thought we can use it, as in this case, we still have to use: console...
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Insert picture/table in R Markdown [closed]

...HOWTOs for tables and images. Top on my list are: Pandoc readme, specifically tables RStudio's RMarkdown, more details in basics (including tables) and a rewrite of pandoc's markdown. Pictures are very simple to use but do not offer the ability to adjust the image to fit the page (see Update, be...
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How to sort git tags by version string order of form rc-X.Y.Z.W?

... you can use homebrew or macports to install the gnu version of sort. brew install gsort then you can modify the line above to git tag -l | gsort -V and it should work for you. – Goran Feb 24 '14 at 13:16 ...
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Missing return statement in a non-void method compiles

... the compiler even warn about returning something? Or why would a language allow us to have a non-void method having an infinite loop and not returning anything? ...
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Is there a splice method for strings?

... You can add this globally with: String.prototype.splice = function (index, count, add) { return this.slice(0, index) + (add || "") + this.slice(index + count); } Just keep in mind it doesn't work exactly the same as the array sp...
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UIActivityViewController crashing on iOS 8 iPads

...image]; UIActivityViewController *controller = [[UIActivityViewController alloc] initWithActivityItems:postItems applicationActivities:nil]; //if iPhone if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) { [self presentViewController:controller animated:YES completion:nil]; } //if iPa...
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How is Racket different from Scheme?

...and not R6RS and not a strict superset of either. I don't think it can be called 'Scheme' because it's not backwards compatible with any Scheme standard. Most implementations offer extensions, but are otherwise backwards compatible, of course, the compiler that comes with Racket can also run in R5R...