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switch / pattern matching idea
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answered Dec 13 '17 at 14:18
Marcus PierceMarcus Pierce
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Check if an apt-get package is installed and then install it if it's not on Linux
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317
To check if packagename was installed, type:
dpkg -s <packagename>
You can also use d...
Parse string to DateTime in C#
...ays be in a given format then you can use ParseExact():
string s = "2011-03-21 13:26";
DateTime dt =
DateTime.ParseExact(s, "yyyy-MM-dd HH:mm", CultureInfo.InvariantCulture);
(But note that it is usually safer to use one of the TryParse methods in case a date is not in the expected format)
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IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager
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34 Answers
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Get the generated SQL statement from a SqlCommand object?
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23 Answers
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vector::at vs. vector::operator[]
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pmdjpmdj
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Difference between attr_accessor and attr_accessible
...e so:
Order.new({ :type => 'Corn', :quantity => 6, :price_off => 30 })
Even if your form doesn't have a field for :price_off, if it's in your model it's available by default. This means a crafted POST could still set it. Using attr_accessible white lists those things that can be mass ass...
Using a strategy pattern and a command pattern
... and output.
– KTF
Sep 28 '12 at 12:38
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@KTF, no. The Command pattern employs an object which ha...
What are the best use cases for Akka framework [closed]
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I have used it so far in two real projects very successfully. both are in the near real-time t...
Using i and j as variables in Matlab
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answered Feb 9 '13 at 19:40
Oliver CharlesworthOliver Charlesworth
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