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Getting scroll bar width using JavaScript [duplicate]

...ument.createElement('div'); outer.appendChild(inner); // Calculating difference between container's full width and the child width const scrollbarWidth = (outer.offsetWidth - inner.offsetWidth); // Removing temporary elements from the DOM outer.parentNode.removeChild(outer); return sc...
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Go: panic: runtime error: invalid memory address or nil pointer dereference

... According to the docs for func (*Client) Do: "An error is returned if caused by client policy (such as CheckRedirect), or if there was an HTTP protocol error. A non-2xx response doesn't cause an error. When err is nil, resp always contains a non-nil resp.Body." Then looking at this code: re...
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How to add a delay for a 2 or 3 seconds [closed]

... Thread.Sleep is when you want to delay the operations in another thread, different from the main e.g. : MAIN THREAD ---------------------------------------------------------> (UI, CONSOLE ETC.) | | | ...
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Why am I getting an OPTIONS request instead of a GET request?

...have implications to user data. In particular, a request is preflighted if: It uses methods other than GET or POST. Also, if POST is used to send request data with a Content-Type other than application/x-www-form-urlencoded, multipart/form-data, or text/plain, e.g. if the POST requ...
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Create an empty data.frame

...ying to initialize a data.frame without any rows. Basically, I want to specify the data types for each column and name them, but not have any rows created as a result. ...
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get the latest fragment in backstack

How can I get the latest fragment instance added in backstack (if I do not know the fragment tag & id)? 17 Answers ...
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How can I import Swift code to Objective-C?

I have written a library in Swift and I wasn't able to import it to my current project, written in Objective-C. 15 Answers ...
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Python Write bytes to file

... If you want to write bytes then you should open the file in binary mode. f = open('/tmp/output', 'wb') share | improve th...
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Performance of static methods vs instance methods

...se of the extra hidden this parameter. In practice, this makes so little difference that it'll be hidden in the noise of various compiler decisions. (Hence two people could "prove" one better than the other with disagreeing results). Not least since the this is normally passed in a register and is ...
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Performing user authentication in Java EE / JSF using j_security_check

...rding user authentication for a web application making use of JSF 2.0 (and if any components do exist) and Java EE 6 core mechanisms (login/check permissions/logouts) with user information hold in a JPA entity. The Oracle Java EE tutorial is a bit sparse on this (only handles servlets). ...