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Java 8 functional interface with no arguments and no return value
What is the Java 8 functional interface for a method that takes nothing and returns nothing?
3 Answers
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List vs List
...( aMap ); // Perfectly legal (adding a Map to a List of Maps)
// But maps and hashMaps are the same object, so this should be the same as
hashMaps.add( aMap ); // Should be illegal (aMap is not a HashMap)
So this is why a List of HashMaps shouldn't be a List of Maps.
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Which $_SERVER variables are safe?
Any variable that a user can control, an attacker can also control and is therefore a source of an attack. This is called a "tainted" variable, and is unsafe.
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How can we make xkcd style graphs?
...ly, folk have figured out how to make xkcd style graphs in Mathematica and in LaTeX . Can we do it in R? Ggplot2-ers? A geom_xkcd and/or theme_xkcd?
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Could not load type 'System.Runtime.CompilerServices.ExtensionAttribute' from assembly 'mscorlib
...ars to go wrong when ILMerge was used to merge several assemblies into one and that tool was used incorrectly. A good feedback article that describes this breakage is here. It links to a blog post that describes the mistake. It is rather a long article, but if I interpret it correctly then the wr...
AutoLayout with hidden UIViews?
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UIStackView is probably the way to go for iOS 9+. Not only does it handle the hidden view, it will also remove additional spacing and margins if set up correctly.
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Dialog to pick image from gallery or from camera
Is there a standard way to call dialog box with choose either to pick an image from the camera or to get from gallery (like in build-in phone book or Skype)?
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How to execute AngularJS controller function on page load?
Currently I have an Angular.js page that allows searching and displays results. User clicks on a search result, then clicks back button. I want the search results to be displayed again but I can't work out how to trigger the search to execute. Here's the detail:
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How to revert a “git rm -r .”?
...to your last commit. If you do have uncommitted changes, but the first command doesn't work, then save your uncommitted changes with git stash:
git stash
git reset --hard HEAD
git stash pop
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OR is not supported with CASE Statement in SQL Server
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For the second case, why does only 'IN' work and not '='?
– Han
Jun 13 '16 at 14:53
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