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Draw a perfect circle from user's touch

...cle" (from my understanding: make the drawn circle perfectly round, as we know no matter how stable we try to draw something with our finger on the screen, a circle is never really as rounded like a circle should be). ...
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Prototypical inheritance - writing up [duplicate]

... function it uses this. The value of this will be the invoking object; for now let's say it's the current instance so for bob.walk() "this" will be bob. (more on "this" and the invoking object later). If ben was waiting for a red light and and bob was at a green light; then you'll invoke walk() on ...
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Selecting only numeric columns from a data frame

...de ## nums <- sapply(x, is.numeric) For a more idiomatic modern R I'd now recommend x[ , purrr::map_lgl(x, is.numeric)] Less codey, less reflecting R's particular quirks, and more straightforward, and robust to use on database-back-ended tibbles: dplyr::select_if(x, is.numeric) ...
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Disadvantages of Test Driven Development? [closed]

...ming to an interface, MVC/MVP patterns etc., which again require a lot of knowledge, and... you have to write even more code. So be careful... if you don't have an enthusiastic team and at least one experienced developer who knows how to write good tests and also knows a few things about good archi...
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How to think in data stores instead of databases?

...nk 100% in object relationships that map directly to table structures, and now it's hard to see anything differently. I can understand some of the benefits of Google Datastore (e.g. performance and the ability to distribute data), but some good database functionality is sacrificed (e.g. joins). ...
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Why is it a bad practice to return generated HTML instead of JSON? Or is it?

...r any other similar framework. I've used this approach many times and till now and found the performance satisfactory. 14 A...
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Error: request entity too large

...erwritten if you update your module. So this temporary solution works for now, but as soon as a solution is found (or the module fixed, in case it's a module problem) you should update your code accordingly. I have opened an issue on their GitHub about this problem. [edit - found the solution] A...
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WebKit issues with event.layerX and event.layerY

...he jQuery object." You're exactly correct, so it sounds like you already know! :) Hopefully jQuery will update their code to stop touching that, but at the same time WebKit should have known better than to log a deprecation warning on an event (at least in my opinion). One mousemove handler and y...
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Catch a thread's exception in the caller thread in Python

...the child thread, and it is in its own stack. One way I can think of right now to communicate this information to the parent thread is by using some sort of message passing, so you might look into that. Try this on for size: import sys import threading import Queue class ExcThread(threading.Thre...
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How to solve WAMP and Skype conflict on Windows 7? [closed]

...43 as alternatives for incoming connections” checkbox and click save. 5) Now Signout and SignIn again to skype. (this change will take affect only you relogin to skype) Now every time you start WAMP will not conflict with skype. ...