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Add new item count to icon on button - Android
...tems under tabs. What I KNOW how to do - is create new icons with red dots and just display them when new stuff available.
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Importing data from a JSON file into R
...fically, the file is an array of JSON objects with string fields, objects, and arrays. The RJSON Package isn't very clear on how to deal with this http://cran.r-project.org/web/packages/rjson/rjson.pdf .
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Android preferences onclick event
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Badr,
You need to set android:key for the item, Then in your code you can do...
Assuming you use the following in your XML:
<Preference android:title="About" android:key="myKey"></Preference>
Then you can do the following in your ...
Is \d not supported by grep's basic expressions?
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grep's default mode is (iirc) POSIX regex, and \d is pcre. You can either pass -P to gnu grep, for perl-like regexps, or use [[:digit:]] instead of \d.
daenyth@Bragi ~ $ echo 1 | grep -P '\d'
1
daenyth@Bragi ~ $ echo 1 | grep '[[:digit:]]'
1
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Time complexity of Sieve of Eratosthenes algorithm
...risron What is the problem? It's not the case that "asymptotic complexity" and "amortized complexity" are two different kinds of the same thing. Amortization is just a technique for more carefully counting something, which can happen to be the asymptotic complexity.
– Shreevats...
Java: Literal percent sign in printf statement
I'm trying to add an actual percent sign into a printf statement in Java and I'm getting the error:
3 Answers
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SQLite - increase value by a certain number
... a certain value in a table by a certain number without reading last value and afterwards updating it?
1 Answer
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How to alias 'git checkout' to 'git co'
I'd like the command git co to be the same as typing git checkout .
3 Answers
3
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Is there an AddRange equivalent for a HashSet in C#
...dicate the distinct way the HashSet works. You cannot safely Add a set of random elements to it like in Collections, some elements may naturally evaporate.
I think that UnionWith takes its name after "merging with another HashSet", however, there's an overload for IEnumerable<T> too.
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How do you push a Git tag to a branch using a refspec?
...it objects. You need to “peel” the annotated tag back to commit object and push that instead.
git push production +1.0.0^{commit}:master
git push production +1.0.0~0:master # shorthand
There is another syntax that would also work in this case, but it means something slightly differen...