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onNewIntent() lifecycle and registered listeners
I'm using a singleTop Activity to receive intents from a search-dialog via onNewIntent() .
2 Answers
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What is an idiomatic way of representing enums in Go?
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Quoting from the language specs:Iota
Within a constant declaration, the predeclared identifier iota represents successive untyped integer constants. It is reset to 0 whenever the reserved word const appears in the source and incr...
Determine a string's encoding in C#
...es sense only for byte streams. If you have a string it is already encoded from someone along the way who already knew or guessed the encoding to get the string in the first place.
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Rolling or sliding window iterator?
...There's one in an old version of the Python docs with itertools examples:
from itertools import islice
def window(seq, n=2):
"Returns a sliding window (of width n) over data from the iterable"
" s -> (s0,s1,...s[n-1]), (s1,s2,...,sn), ... "
it = iter(seq)
res...
In Typescript, How to check if a string is Numeric
... longer available in rxjs v6
I'm solved it by using the isNumeric operator from rxjs library (importing rxjs/util/isNumeric
Update
import { isNumeric } from 'rxjs/util/isNumeric';
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var val = "5700";
if (isNumeric(val)){
alert("it is number !");
}
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How to format a number as percentage in R?
..., 0, 0.1, 0.555555, 1, 100)
percent(x)
(If you prefer, change the format from "f" to "g".)
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When is assembly faster than C?
...ed a lot.
C doesn't have a full-multiplication operator (2N-bit result from N-bit inputs). The usual way to express it in C is to cast the inputs to the wider type and hope the compiler recognizes that the upper bits of the inputs aren't interesting:
// on a 32-bit machine, int can hold 32-bit...
How can I get a java.io.InputStream from a java.lang.String?
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There is an adapter from Apache Commons-IO which adapts from Reader to InputStream, which is named ReaderInputStream.
Example code:
@Test
public void testReaderInputStream() throws IOException {
InputStream inputStream = new ReaderInputStr...
Clear back stack using fragments
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I posted something similar here
From Joachim's answer, from Dianne Hackborn:
http://groups.google.com/group/android-developers/browse_thread/thread/d2a5c203dad6ec42
I ended up just using:
FragmentManager fm = getActivity().getSupportFragmentManager();
fo...
Booleans, conditional operators and autoboxing
... of returnsNull()) to make it type boolean. This of course causes the NPE from the null returned at run-time.
For E2, types of the 2nd and 3rd operands are <special null type> (not Boolean as in E1!) and boolean respectively, so no specific typing clause applies (go read 'em!), so the final "...