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How do I programmatically “restart” an Android app?
Firstly, I know that one should not really kill/restart an application on Android. In my use case I want to factory-reset my application in a specific case where a server sends a specific information to the client.
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Example for boost shared_mutex (multiple reads/one write)?
...< boost::shared_mutex > lock(_access);
// do work here, without anyone having exclusive access
}
void conditional_writer()
{
boost::upgrade_lock< boost::shared_mutex > lock(_access);
// do work here, without anyone having exclusive access
if (something) {
boost::upgrade_to_...
Only one expression can be specified in the select list when the subquery is not introduced with EXI
...lumn is it supposed to compare A_ID to? Your subquery must only return the one column needed for the comparison to the column on the other side of the IN. So the query needs to be of the form:
SELECT * From ThisTable WHERE ThisColumn IN (SELECT ThatColumn FROM ThatTable)
You also want to add sort...
How can I split and trim a string into parts all on one line?
...you get an exception. if line does not contain ';' you'll have a list with one string corresponding to the trimmid line
– Cédric Rup
Jan 28 at 13:30
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Is there still any reason to learn AWK?
I am constantly learning new tools, even old fashioned ones, because I like to use the right solution for the problem.
24 A...
How can I determine whether a 2D Point is within a Polygon?
...float for everything. macOS only knows points and a point can translate to one pixel, but depending on monitor resolution, it might translate to something else. On retina screens half a point (0.5/0.5) is pixel. Still, I never noticed that macOS UIs are significantly slower than other UIs. After all...
How does lock work exactly?
... line. since it's just a ref to begin with, what good does making another one do?
– priehl
Sep 25 '14 at 17:47
11
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Using two values for one switch case statement
... @trig lol. I'm doing that kind of thing a lot lately - blaming iPhone thumb typing. Cheers
– Bohemian♦
May 23 '13 at 12:17
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How to do multiple arguments to map function where one remains the same in python?
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One option is a list comprehension:
[add(x, 2) for x in [1, 2, 3]]
More options:
a = [1, 2, 3]
import functools
map(functools.partial(add, y=2), a)
import itertools
map(add, a, itertools.repeat(2, len(a)))
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simple explanation PHP OOP vs Procedural?
...ose "chunks" of code.
Long No-Jargon Answer:
Procedural vs OOP is just one aspect of a fundamental issue of computer programming: how to make your code easy to understand and a piece of cake to professionally maintain. You can actually write "Procedural" code that follows some of the principles ...