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In tmux can I resize a pane to an absolute value
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answered Apr 23 '13 at 0:26
dcatdcat
1,09699 silver badges66 bronze badges
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How to check if variable's type matches Type stored in a variable
... Animal {}
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object x = new Tiger();
bool b1 = x is Tiger; // true
bool b2 = x is Animal; // true also! Every tiger is an animal.
But checking for type identity with reflection checks for identity, not for compatibility
bool b5 = x.GetType() == typeof(Tiger); // true
bool b6 = x.GetType() == ty...
How to install latest version of git on CentOS 7.x/6.x
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362
You can use WANDisco's CentOS repository to install Git 2.x: for CentOS 6, for CentOS 7
Instal...
How is this fibonacci-function memoized?
...In normal doubly-recursve Fibonacci definition, fib n = fib (n-1) + fib (n-2), the function itself gets called, twice from the top, causing the exponential explosion. But with that trick, we set out a list for the interim results, and go "through the list":
fib n = (xs!!(n-1)) + (xs!!(n-2)) where x...
ActiveRecord, has_many :through, and Polymorphic Associations
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162
There is a known issue with Rails 3.1.1 that breaks this functionality. If you are having this p...
When should I use the assets as opposed to raw resources in Android?
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answered Mar 5 '12 at 8:13
user370305user370305
101k2222 gold badges154154 silver badges148148 bronze badges
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xUnit : Assert two List are equal?
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edited May 29 '18 at 15:20
answered Jan 7 '09 at 9:33
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MySQL Query - Records between Today and Last 30 Days
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297
You need to apply DATE_FORMAT in the SELECT clause, not the WHERE clause:
SELECT DATE_FORMAT...
Should I use a data.frame or a matrix?
...e the choice.
Also:
Matrices are more memory efficient:
m = matrix(1:4, 2, 2)
d = as.data.frame(m)
object.size(m)
# 216 bytes
object.size(d)
# 792 bytes
Matrices are a necessity if you plan to do any linear algebra-type of operations.
Data frames are more convenient if you frequently refer to ...