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Red black tree over avl tree
...le
It offers some good insights on differences, similarities, performance, etc.
Here's a quote from the article:
RB-Trees are, as well as AVL trees, self-balancing. Both of them provide O(log n) lookup and insertion performance.
The difference is that RB-Trees guarantee O(1) rotations per insert op...
Confusion between factor levels and factor labels
...a, b, and c
and for which you want the levels to be labeled as Treatment A etc.
The factor function will look for the values a, b and c, convert them to numerical factor classes, and add the label values to the level attribute of the factor. This attribute is used to convert the internal numerical...
Matplotlib different size subplots
...of rows of the grid. I solved it by saying {'width_ratios':[1]} for 1 row, etc.
– Markus Weber
Mar 22 '19 at 17:56
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How to load program reading stdin and taking parameters in gdb?
...s ...' just gives you the chance to interactively define some break points etc. before running the program
– maxschlepzig
Apr 17 '16 at 7:32
...
Replace a string in shell script using a variable
...x> echo X123456789X | sed "s/123456789/${replace}/"
X987654321X
pax> _
Just be careful to ensure that ${replace} doesn't have any characters of significance to sed (like / for instance) since it will cause confusion unless escaped. But if, as you say, you're replacing one number with another...
Getting the folder name from a path
...red Aug 14 '17 at 18:11
susieloo_susieloo_
9811212 silver badges1717 bronze badges
...
How to find day of week in php in a specific timezone
...
Another quick way:
date_default_timezone_set($userTimezone);
echo date("l");
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What should I do if the current ASP.NET session is null?
...ireRequestState runs before control is handed to your Page. So if you are calling other functionality, including static classes, from your page, you should be fine.
If you have some classes doing initialization logic during startup, for example on the Application_Start event or by using a static con...
Split list into smaller lists (split in half)
...6]
B = A[:len(A)//2]
C = A[len(A)//2:]
If you want a function:
def split_list(a_list):
half = len(a_list)//2
return a_list[:half], a_list[half:]
A = [1,2,3,4,5,6]
B, C = split_list(A)
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C# vs Java Enum (for those new to C#)
...c PlanetAttr GetAttr(Planet p)
{
return (PlanetAttr)Attribute.GetCustomAttribute(ForValue(p), typeof(PlanetAttr));
}
private static MemberInfo ForValue(Planet p)
{
return typeof(Planet).GetField(Enum.GetName(typeof(Planet), p));
}
}
public enum Planet
{
[Pl...