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The source is by definition perfect documentation of the program. Also see codinghorror.com/blog/2012/04/…
– Pyrolistical
May 7 '12 at 18:58
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Android studio add external project to build.gradle
...ion: 'variant'). Here, variant consists of flavor and buildType as defined by the library's build.gradle file. For example, if you want release build type of the library in a develop flavor, then variant is developRelease.
– Sevastyan Savanyuk
Aug 9 '17 at 7:44...
What does (angle brackets) mean in Java?
I am currently studying Java and have recently been stumped by angle brackets(). What exactly do they mean?
6 Answers
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How do I use the new computeIfAbsent function?
...ould serve as another illustration on how to use the method.
We can start by defining a map and putting the values in it for the base cases, namely, fibonnaci(0) and fibonacci(1):
private static Map<Integer,Long> memo = new HashMap<>();
static {
memo.put(0,0L); //fibonacci(0)
mem...
Guava equivalent for IOUtils.toString(InputStream)
...Does not close the Readable.
This means that your InputStreamReader, and by extension the InputStream returned by supplier.get(), will not be closed after this code completes.
If, on the other hand, you take advantage of the fact that you appear to already have an InputSupplier<InputStream>...
Django connection to PostgreSQL: “Peer authentication failed”
...u use TCP connections. From django docs:
If you’re using PostgreSQL, by default (empty HOST), the connection to
the database is done through UNIX domain sockets (‘local’ lines in
pg_hba.conf). If you want to connect through TCP sockets, set HOST to
‘localhost’ or ‘127.0.0.1’ ...
Different bash prompt for different vi editing mode?
...putrc
Inputrc has an option to show a + for insert and : for normal mode, by adding set show-mode-in-prompt on in the ~/.inputrc as eMPee584 wrote, but this does not work well with multiline prompt (with older versions of bash and readline).
A solution is have a single line PS1 (>), and a funct...
jQuery parent of a parent
...:
$(this).closest('tr');
Check out the documentation:
Closest works by first looking at the current element to see if it matches the specified expression, if so it just returns the element itself. If it doesn't match then it will continue to traverse up the document, parent by parent, until a...
How do I exit from the text window in Git?
...onfigured for use. In vim, you can press i to start entering text and save by pressing esc and :wq and enter, this will commit with the message you typed. In your current state, to just come out without committing, you can do :q instead of the :wq as mentioned above.
Alternatively, you can just do ...
Is it good practice to NULL a pointer after deleting it?
I'll start out by saying, use smart pointers and you'll never have to worry about this.
18 Answers
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