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Can an int be null in Java?
...to indicate the absence of a value, I would investigate java.util.Optional<Integer>
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Using wget to recursively fetch a directory with arbitrary files in it
...rent not help, you might use --include option.
Directory struct:
http://<host>/downloads/good
http://<host>/downloads/bad
And you want to download downloads/good but not downloads/bad directory:
wget --include downloads/good --mirror --execute robots=off --no-host-directories --cut-...
Android on-screen keyboard auto popping up
... This worked for me. I'm running Android 2.3.4, and developing using <uses-sdk android:minSdkVersion="3" />
– Sandy
Oct 8 '11 at 20:32
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What are Java command line options to set to allow JVM to be remotely debugged?
...nt is selecting a random port number. This might be useful if you start multiple nodes within the same java command line.
– asbachb
Jul 1 at 14:57
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Remove an Existing File from a Git Repo
... then need to remove the file from the repo by executing "git rm --cached <file> and then committing this removal"
If you were also hoping to make the repo look as if it had never tracked that file, that is much more complicated and highly discouraged as it not only creates brand new commits...
How do I make my string comparison case insensitive?
... answered Jan 23 '16 at 16:56
gltsglts
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Where can I find my .emacs file for Emacs running on Windows?
...cs\HOME is set, use the directory it indicates. Not recommended, as it results in users sharing the same HOME directory.
If C:\.emacs exists, then use C:/. This is for backward compatibility, as previous versions defaulted to C:/ if HOME was not set.
Use the user's AppData directory, usually a direc...
Make error: missing separator
...I had some end-of-line # ... comments embedded within a define ... endef multi-line variable definition. Removing the comments made the problem go away.
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Count all occurrences of a string in lots of files with grep
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This has the same limitation that it counts multiple occurrences on one line only once. I am guessing that this behavior is OK in this case, though.
– Michael Haren
Dec 16 '08 at 12:22
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How to timeout a thread
...utorService executor = Executors.newSingleThreadExecutor();
Future<String> future = executor.submit(new Task());
try {
System.out.println("Started..");
System.out.println(future.get(3, TimeUnit.SECONDS));
System.out.println("Finished!");
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