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Why is an array not assignable to Iterable?
...ot Iterable? I guess Iterable forces adding an iterator method, and arrays don't implement methods. char[] doesn't even override toString. Anyway, arrays of references should be considered less than ideal - use Lists. As dfa comments, Arrays.asList will do the conversion for you, explicitly.
(Havin...
When should null values of Boolean be used?
... boolean column in a database, for example). The null value might mean "we don't know if it's true or false" in this context.
each time a method needs an Object as argument, and you need to pass a boolean value. For example, when using reflection or methods like MessageFormat.format().
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How do I concatenate or merge arrays in Swift?
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Do we know whether Swift 2's Copy-On-Write intelligence extends to determining whether the b part of a is modified (therefore possibly eliding a copy of b during a.appendContentsOf(b))?
– Ephemera
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How to filter logcat in Android Studio?
...ly displaying only the output containing the keyword(s). Is there a way to do that in Android Studio through the UI?
10 Ans...
How do I switch to another subversion branch in Intellij?
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Just discovered switching branches is done using the update dialog (VCS -> Update Project, ⌘T), where I can select any branch, tag or revision I want.
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NPM/Bower/Composer - differences?
...command-line projects (bower itself is a npm package). If you are going to do anything with nodejs, then you are going to use npm.
bower is a package manager that aims at (front-end) web projects. You need npm and nodejs to install bower and to execute it, though bower packages are not meant specif...
Can enums be subclassed to add new elements?
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No, you can't do this in Java. Aside from anything else, d would then presumably be an instance of A (given the normal idea of "extends"), but users who only knew about A wouldn't know about it - which defeats the point of an enum being a ...
Using i and j as variables in Matlab
... called i or j will override them, potentially silently breaking code that does complex maths.
Possible solutions include using ii and jj as loop variables instead, or using 1i whenever i is required to represent the imaginary unit.
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CSS selector for “foo that contains bar”? [duplicate]
...s the ability to select which element in a selector is styled by putting a dollar sign in front of it: $div > span would select the div that has a span as a direct child.
– Ian
Oct 9 '12 at 15:12
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SQL Server Operating system error 5: “5(Access is denied.)”
...ut here is a step by step that worked for SQL Server 2014 running under windows 7:
Control Panel ->
System and Security ->
Administrative Tools ->
Services ->
Double Click SQL Server (SQLEXPRESS) -> right click, Properties
Select Log On Tab
Select "Local System Account" (the default...