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'const int' vs. 'int const' as function parameters in C++ and C
...const is a constant pointer to a (mutable) char
In other words, (1) and (2) are identical. The only way of making the pointer (rather than the pointee) const is to use a suffix-const.
This is why many people prefer to always put const to the right side of the type (“East const” style): it mak...
Getting the array length of a 2D array in Java
I need to get the length of a 2D array for both the row and column. I’ve successfully done this, using the following code:
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Backing beans (@ManagedBean) or CDI Beans (@Named)?
...
BozhoBozho
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Which is the fastest algorithm to find prime numbers?
... mmcdole
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answered Jan 17 '09 at 18:45
Greg HewgillGreg Hewgill
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Appending to an empty DataFrame in Pandas?
... pd.DataFrame({"A": range(3)})
>>> df.append(data)
A
0 0
1 1
2 2
But the append doesn't happen in-place, so you'll have to store the output if you want it:
>>> df
Empty DataFrame
Columns: []
Index: []
>>> df = df.append(data)
>>> df
A
0 0
1 1
2 2
...
What is the best django model field to use to represent a US dollar amount?
...something like:
credit = models.DecimalField(max_digits=6, decimal_places=2)
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tmux: How to join two tmux windows into one, as panes?
...ually I found the way to do that. Suppose the two windows are number 1 and 2. Use
join-pane -s 2 -t 1
This will move the 2nd window as a pane to the 1st window. The opposite command is break-pane
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Removing duplicate values from a PowerShell array
...ct-Object (whose alias is select) with the -Unique switch; e.g.:
$a = @(1,2,3,4,5,5,6,7,8,9,0,0)
$a = $a | select -Unique
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