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Replace non-numeric with empty string
...an do it easily with regex:
string subject = "(913)-444-5555";
string result = Regex.Replace(subject, "[^0-9]", ""); // result = "9134445555"
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How can I get the intersection, union, and subset of arrays in Ruby?
I want to create different methods for a class called Multiset .
3 Answers
3
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How to get an array of specific “key” in multidimensional array without looping
Let's assume I have the following multidimensional array (retrieved from MySQL or a service):
4 Answers
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In Git, what is the difference between origin/master vs origin master?
...r back to origin:
git push origin master
More examples
You can fetch multiple branches by name...
git fetch origin master stable oldstable
You can merge multiple branches...
git merge origin/master hotfix-2275 hotfix-2276 hotfix-2290
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Android Fragments. Retaining an AsyncTask during screen rotation or configuration change
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Isn't it possible that the AsyncTask sends its result back before the onCreateView of the retained Fragment would run?
– jakk
Oct 19 '12 at 21:04
6
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Calculate date/time difference in java [duplicate]
...nceMilliseconds / ((long)60 * 60 * 1000 * 24 * 365);
if (diffSeconds < 1) {
return "less than a second";
} else if (diffMinutes < 1) {
return diffSeconds + " seconds";
} else if (diffHours < 1) {
return diffMinutes + " minutes";
} else if (diffDays &...
Linq: GroupBy, Sum and Count
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I don't understand where the first "result with sample data" is coming from, but the problem in the console app is that you're using SelectMany to look at each item in each group.
I think you just want:
List<ResultLine> result = Lines
.GroupBy(l => l...
StringIO in Python3
...IO import StringIO
data = "1, abc , 2\n 3, xxx, 4"
print type(data)
"""
<type 'str'>
"""
print '\n', np.genfromtxt(StringIO(data), delimiter=",", dtype="|S3", autostrip=True)
"""
[['1' 'abc' '2']
['3' 'xxx' '4']]
"""
print '\n', type(data)
"""
<type 'str'>
"""
print '\n', np.genfro...
ValueError: math domain error
...mport log
>>> log(-1)
Traceback (most recent call last):
File "<pyshell#59>", line 1, in <module>
log(-1)
ValueError: math domain error
Without knowing what your newtonRaphson2 function does, I'm not sure I can guess where the invalid x[2] value is coming from, but hopef...
Select top 10 records for each category
...BY RankCriteria DESC ) AS Rank
FROM table
) rs WHERE Rank <= 10
If your RankCriteria has ties then you may return more than 10 rows and Matt's solution may be better for you.
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