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How to quit a java app from within the program
...hange 1 to any number you like, then when you are running your application from a script you can determine if there was an error.
– StormPooper
Nov 24 '11 at 12:59
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How did I get a value larger than 8 bits in size from an 8-bit integer?
...rsion specifier %i in printf has no idea that the argument originally came from int8_t calculations; it is just working with an int argument.
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How can I measure the similarity between two images? [closed]
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2 histograms from 2 halves of image will have better matching precision than 1 histogram of a whole. Though it has drawbacks you mentioned, it depends on what problem you are solving.
– psycho brm
Oc...
Why are mutable structs “evil”?
...e around.
If your struct is immutable then all automatic copies resulting from being passed by value will be the same.
If you want to change it you have to consciously do it by creating a new instance of the struct with the modified data. (not a copy)
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How do I do an OR filter in a Django query?
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There is Q objects that allow to complex lookups. Example:
from django.db.models import Q
Item.objects.filter(Q(creator=owner) | Q(moderated=False))
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performSelector may cause a leak because its selector is unknown
...round. Here's how:
if (!_controller) { return; }
SEL selector = NSSelectorFromString(@"someMethod");
IMP imp = [_controller methodForSelector:selector];
void (*func)(id, SEL) = (void *)imp;
func(_controller, selector);
Or more tersely (though hard to read & without the guard):
SEL selector =...
Returning JSON from PHP to JavaScript?
... This 'answer' is not complete and rather un-useful. See the answer from aesede for more complete information.
– Funk Doc
May 30 '19 at 16:22
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How do I get list of methods in a Python class?
...le (listing the methods of the optparse.OptionParser class):
>>> from optparse import OptionParser
>>> import inspect
#python2
>>> inspect.getmembers(OptionParser, predicate=inspect.ismethod)
[([('__init__', <unbound method OptionParser.__init__>),
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('add_option...
How to drop into REPL (Read, Eval, Print, Loop) from Python code
...PL at an arbitrary point in its execution, even if the script was launched from the command line?
6 Answers
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How to get current time and date in Android
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But where does this pull the date and time from? the android device setting itself?
– Kyle Clegg
May 17 '12 at 20:29
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