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What is “lifting” in Scala?
.../ "lifted". Unfortunately, it is not explained what that exactly means. I did some research, and it seems that lifting has something to do with functional values or something like that, but I was not able to find a text that explains what lifting actually is about in a beginner friendly way.
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git rebase without changing commit timestamps
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Update June 2014: David Fraser mentions in the comments a solution also detailed in "Change timestamps while rebasing git branch", using the option --committer-date-is-author-date (introduced initially in Jan. 2009 in commit 3f01ad6
Note that th...
Android ACTION_IMAGE_CAPTURE Intent
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this is a well documented bug in some versions of android. that is, on google experience builds of android, image capture doesn't work as documented. what i've generally used is something like this in a utilities class.
public boolean hasImageCaptureBug() {
// list of known...
Why is #!/usr/bin/env bash superior to #!/bin/bash?
...bash in preference to #!/bin/bash . I've even seen one enterprising individual suggest using #!/bin/bash was wrong and bash functionality would be lost by doing so.
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Best ways to teach a beginner to program? [closed]
...erves the dual purpose of teaching the debugging tools and teaching how to ID errors without tools.
Once, or if, the project gets functional you can use it to introduce refactoring tools. Its good if you can then expand the project with some simple features which you never planned for. This usually...
Match multiline text using regular expression
...tches the very end (or before a newline at the end, but we'll leave that aside for now). But if the string contains newlines, you can choose for ^ and $ to match at the start and end of any logical line, not just the start and end of the whole string, by setting the MULTILINE flag.
So forget about...
Memory management in Qt?
...aints imposed by the constructors for other reasons, however; such as in QWidget(QWidget* parent=0), where the parent must be another QWidget, due to e.g. visibility flags and because you’d do some basic layout that way; but for Qt's hierarchy system in general, you are allowed to have any QObject...
What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?
...tion types can be particularly tricky, because sometimes they need to be bridged across to matching Objective-C objects, and vice versa. This means that control needs to be transferred back and forth from ARC when bridging between CF types and Objective-C. Some keywords related to this bridging hav...
What is “stdafx.h” used for in Visual Studio?
...from "auto" to "c" and your are pretty much having "standard" compiler and IDE.
– EKanadily
Feb 27 '14 at 18:40
4
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NodeJS / Express: what is “app.use”?
...he app object is instantiated on creation of the Express server. It has a middleware stack that can be customized in app.configure()(this is now deprecated in version 4.x).
To setup your middleware, you can invoke app.use(<specific_middleware_layer_here>) for every middleware layer that you ...