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How to change a nullable column to not nullable in a Rails migration?
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208
If you do it in a migration then you could probably do it like this:
# Make sure no null valu...
Are nested try/except blocks in python a good programming practice?
...") from None
PS. has_key() has been deprecated for a long time in Python 2. Use item in self.dict instead.
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C++ sorting and keeping track of indexes
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stable_sort(idx.begin(), idx.end(),
[&v](size_t i1, size_t i2) {return v[i1] < v[i2];});
return idx;
}
Now you can use the returned index vector in iterations such as
for (auto i: sort_indexes(v)) {
cout << v[i] << endl;
}
You can also choose to supply your or...
Calling clojure from java
...ln (str "(binomial 5 3): " (binomial 5 3)))
(println (str "(binomial 10042 111): " (binomial 10042 111)))
)
If you run it, you should see something like:
(binomial 5 3): 10
(binomial 10042 111): 49068389575068144946633777...
And here's a Java program that calls the -binomial function in the t...
Logging uncaught exceptions in Python
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Martin Thoma
81.2k102102 gold badges454454 silver badges700700 bronze badges
answered Jun 4 '11 at 3:26
JacindaJacind...
Pass an array of integers to ASP.NET Web API?
...tegoryIds)
And send request:
/Categories?categoryids=1&categoryids=2&categoryids=3
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Questions every good Java/Java EE Developer should be able to answer? [closed]
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How can I limit Parallel.ForEach?
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answered Feb 15 '12 at 9:11
Nicholas ButlerNicholas Butler
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Calculate business days
I need a method for adding "business days" in PHP. For example, Friday 12/5 + 3 business days = Wednesday 12/10.
36 Answers...