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Meaning of Open hashing and Closed hashing
...instead once an object is hashed, it is stored in a list which is separate from the hash table's internal array. "open" refers to the freedom we get by leaving the hash table, and using a separate list. By the way, "separate list" hints at why open hashing is also known as "separate chaining".
In s...
.gitignore exclude folder but include specific subfolder
...
Commit 59856de from Karsten Blees (kblees) for Git 1.9/2.0 (Q1 2014) clarifies that case:
gitignore.txt: clarify recursive nature of excluded directories
An optional prefix "!" which negates the pattern; any matching file excluded by a...
Best practice: PHP Magic Methods __set and __get [duplicate]
...
Coming from the nice world of compiled, statically typed languages, I would say, if your object is "from the database layer and has dynamic properties", then my vote would be for a ->get($columnName) method: it makes it clear tha...
HTTP vs HTTPS performance
...airly small set of static pages that can easily be cached in memory suffer from a much higher overhead (in one case, throughput was havled on an "intranet").
Edit: One point that has been brought up by several others is that SSL handshaking is the major cost of HTTPS. That is correct, which is why ...
Forgot “git rebase --continue” and did “git commit”. How to fix?
..., which was problematic..
As you can see, the rebase starts by a checkout from the remotes/origin/master branch and then applies my three commits that appear as the three previous operation (before the checkout) in the reflog.
Then, if you want to restart from a clean base, before the rebase, you ...
How to check for a valid Base64 encoded string
...
Use Convert.TryFromBase64String from C# 7.2
public static bool IsBase64String(string base64)
{
Span<byte> buffer = new Span<byte>(new byte[base64.Length]);
return Convert.TryFromBase64String(base64, buffer , out int bytes...
How to round to 2 decimals with Python?
...*100)/100) # -> 2.36
print(math.floor(v*100)/100) # -> 2.35
or:
from math import floor, ceil
def roundDown(n, d=8):
d = int('1' + ('0' * d))
return floor(n * d) / d
def roundUp(n, d=8):
d = int('1' + ('0' * d))
return ceil(n * d) / d
...
Expand div to max width when float:left is set
...'ve found of doing this is not very obvious. You need to remove the float from the second column, and apply overflow:hidden to it. Although this would seem to be hiding any content that goes outside of the div, it actually forces the div to stay within its parent.
Using your code, this is an exam...
Using generic std::function objects with member functions in one class
...e control under the hood. Example with my win32 api to forward api message from a class to another class.
IListener.h
#include <windows.h>
class IListener {
public:
virtual ~IListener() {}
virtual LRESULT operator()(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) = 0;
};
L...
What's the difference between `1L` and `1`?
...
From the Constants Section of the R Language Definition:
We can use the ‘L’ suffix to qualify any number with the intent of making it an explicit integer.
So ‘0x10L’ creates the integer value 16 from the hexadec...