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Get root view from current activity
...at as Booger reported, this may be behind navigation bar (with back button etc.) on some devices (but it seems on most devices it is not).
If you need to get view that you added to your activity using setContentView() method then as pottedmeat wrote you can use
final ViewGroup viewGroup = (ViewGro...
What does $$ mean in the shell?
...ning as root and I create /tmp/yourprogname13395 as a symlink pointing to /etc/passwd -- and you write into it.
This is a bad thing to be doing in a shell script. If you're going to use a temporary file for something, you ought to be using a better language which will at least let you add the "excl...
C# namespace alias - what's the point?
...inModel;
// contains common web functionality
using web = Company.Web;
// etc.
and
// User from the domain model
dom.User user = new dom.User();
// Data transfer object
dto.User user = new dto.User();
// a global helper class
utl.SomeHelper.StaticMethod();
// a hyperlink with custom function...
CSS Classes & SubClasses
...e logic you intended, while knowing that .area1Larger only affects .area1, etc.
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node.js remove file
....
to check files can be deleted or not, Use fs.access instead
fs.access('/etc/passwd', fs.constants.R_OK | fs.constants.W_OK, (err) => {
console.log(err ? 'no access!' : 'can read/write');
});
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Replace whitespaces with tabs in linux
...an up the output of say, unzip -l , for further processing with grep, cut, etc.
e.g.,
unzip -l some-jars-and-textfiles.zip | tr [:blank:] \\t | cut -f 5 | grep jar
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Does Python support short-circuiting?
... it's not just 0, it's 0.0, 0j, decimal.Decimal(0), fractions.Fraction(0), etc.), as are all collections with length 0 (so on top of what you listed, b'' [Py3], u'' [Py2] and set()/frozenset() are all built-ins that evaluate as falsy), but user-defined/third-party types can define their own (with __...
CSS Background Opacity [duplicate]
...e directly. Editing your background image to be a semi-transparent png/gif/etc.. is even more correct. Opacity takes a bit more juice to render.
– Patrick Borkowicz
Dec 5 '14 at 19:11
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Is there a way to instantiate a class by name in Java?
...lass.forName("com.foo.MyClass");
Constructor<?> constructor = clazz.getConstructor(String.class, Integer.class);
Object instance = constructor.newInstance("stringparam", 42);
Both methods are known as reflection. You will typically have to catch the various exceptions which can occur, includ...
What is the 'override' keyword in C++ used for? [duplicate]
...s expecting a callback but it will never happen due to the library change, etc.
– Hei
Mar 11 '18 at 5:32
I don't think...