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Function for Factorial in Python
...The concept used here is called recursion ( en.wikipedia.org/wiki/Recursion_(computer_science) ) - a function calling itself is perfectly fine and often useful.
– schnaader
Nov 7 '14 at 10:06
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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
...ringbuf's public interface consists of public non-virtual functions in the base class which then dispatch to protected virtual function in the derived class.
– CB Bailey
Dec 3 '10 at 0:03
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Convert string to symbol-able in ruby
...oking at. For your example:
'Book Author Title'.parameterize.underscore.to_sym # :book_author_title
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How can I remove all objects but one from the workspace in R?
...sense and it's easier to remember that all the complexity of the comand in base R.
– Darius
Jan 18 at 21:02
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Connect Java to a MySQL database
How do you connect to a MySQL database in Java?
14 Answers
14
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How to set default value to the input[type=“date”] [duplicate]
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<input type="date" id="myDate" />
Then in js :
_today: function () {
var myDate = document.querySelector(myDate);
var today = new Date();
myDate.value = today.toISOString().substr(0, 10);
},
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How to tell git to ignore individual lines, i.e. gitignore for specific lines of code [duplicate]
...ick may seem useless since these lines are repeatedly lost on check out, rebase, or pull, but I've a specific use case in order to make use of it.
Just git stash save "proj1-debug" while the filter is inactive (just temporarily disable it in gitconfig or something). This way, my debug code can alwa...
rails 3 validation on uniqueness on multiple attributes
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Multiple Scope Parameters:
class TeacherSchedule < ActiveRecord::Base
validates_uniqueness_of :teacher_id, :scope => [:semester_id, :class_id]
end
http://apidock.com/rails/ActiveRecord/Validations/ClassMethods/validates_uniqueness_of
This should answer Greg's question.
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You need to use a Theme.AppCompat theme (or descendant) with this activity
... then the Android menifest file will merely refer to them, and select them based on which Android version you are running on your device. Usually it is set to android:theme="@style/AppTheme" and this AppTheme refers to <style name="Theme.AppTheme" parent="Theme.AppCompat.Light"> in styles.xml...
Why is “while ( !feof (file) )” always wrong?
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No it's not always wrong. If your loop condition is "while we haven't tried to read past end of...