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How to terminate a python subprocess launched with shell=True
... group so as to enable sending a signal to all the process in the groups. For that, you should attach a session id to the parent process of the spawned/child processes, which is a shell in your case. This will make it the group leader of the processes. So now, when a signal is sent to the process gr...
How to replace multiple substrings of a string?
...
Here is a short example that should do the trick with regular expressions:
import re
rep = {"condition1": "", "condition2": "text"} # define desired replacements here
# use these three lines to do the replacement
rep = dict((re.escape...
UIButton: Making the hit area larger than the default hit area
...interface builder, but I am finding that the hit area is not large enough for some people's fingers.
36 Answers
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Serializing object that contains cyclic object value
....push(val);
}
return val;
});
http://jsfiddle.net/mH6cJ/38/
As correctly pointed out in other comments, this code removes every "seen" object, not only "recursive" ones.
For example, for:
a = {x:1};
obj = [a, a];
the result will be incorrect. If your structure is like this, you might...
$watch an object
I want to watch for changes in a dictionary, but for some reason watch callback is not called.
8 Answers
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What is the purpose and use of **kwargs?
What are the uses for **kwargs in Python?
13 Answers
13
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Java 8 Distinct by property
...it's seen previously, and that returns whether the given element was seen for the first time:
public static <T> Predicate<T> distinctByKey(Function<? super T, ?> keyExtractor) {
Set<Object> seen = ConcurrentHashMap.newKeySet();
return t -> seen.add(keyExtractor.ap...
Changing route doesn't scroll to top in the new page
I've found some undesired, at least for me, behaviour when the route changes.
In the step 11 of the tutorial http://angular.github.io/angular-phonecat/step-11/app/#/phones
you can see the list of phones. If you scroll to the bottom and click on one of the latest, you can see that the scroll isn't ...
IE9 border-radius and background gradient bleeding
IE9 is apparently able to handle rounded corners by using the CSS3 standard definition of border-radius .
17 Answers
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Tetris-ing an array
...refix that takes two strings as input. Then apply it to the strings in any order to reduce them to their common prefix. Since it is associative and commutative the order doesn't matter for the result.
This is the same as for other binary operations like for example addition or greatest common divis...