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How to move screen without moving cursor in Vim?
...line
Ctrl-e Moves screen down one line
Ctrl-u Moves cursor & screen up ½ page
Ctrl-d Moves cursor & screen down ½ page
Ctrl-b Moves screen up one page, cursor to last line
Ctrl-f Moves screen down one page, cursor to first line
Ctrl-y and Ctrl-e only change the cursor position if it woul...
How to manually expand a special variable (ex: ~ tilde) in bash
...ably, I'd go with either of these two:
Charle's Duffy's solution
Håkon Hægland's solution
Original answer for historic purposes (but please don't use this)
If I'm not mistaken, "~" will not be expanded by a bash script in that manner because it is treated as a literal string "~". You can fo...
Git: list only “untracked” files (also, custom commands)
... It also lists modified files.
– Frank-Rene Schäfer
Nov 2 '18 at 12:22
1
nice, but I get i...
What is self-documenting code and can it replace well documented code? [closed]
...is being done:
/* compute displacement with Newton's equation x = vₒt + ½at² */
const float gravitationalForce = 9.81;
float timeInSeconds = 5;
float displacement = (1 / 2) * gravitationalForce * (timeInSeconds ^ 2);
And the final version of code as documentation with zero comments needed:
f...
The most efficient way to implement an integer based power function pow(int, int)
...tion chain for a¹⁵ above, the subproblem for a⁶ must be computed as (a³)² since a³ is re-used (as opposed to, say, a⁶ = a²(a²)², which also requires three multiplies).
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What is normalized UTF-8 all about?
The ICU project (which also now has a PHP library ) contains the classes needed to help normalize UTF-8 strings to make it easier to compare values when searching.
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Difference between Big-O and Little-O Notation
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x² ∈ O(200 * x²)
The following are true for little-o:
x² ∈ o(x³)
x² ∈ o(x!)
ln(x) ∈ o(x)
Note that if f ∈ o(g), this implies f ∈ O(g). e.g. x² ∈ o(x³) so it is also true that x² ∈ O(x³), (again, think of O as <= and o as <)
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How do I get user IP address in django?
... answered May 12 '11 at 9:38
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What is a plain English explanation of “Big O” notation?
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N² → (2N)² = 4(N²)
... I double-cubed (octuple) the time an O(N³) ("cubic time") algorithm takes." (e.g. a problem 100x as big takes 100³=1000000x as long... very unsustainable)
cN³ → c(2N)³ = 8(cN³)
... I add a fixed amount to the time an O(log(N)) ("logarithmic time") al...
Node.js throws “btoa is not defined” error
...yB3w7NybGQhIQ==. If you decode this in a browser it will give you Hélló wórld!!. The binary is perfect to ensure cross platform compatibility.
– Iván Alegre
Jun 24 '19 at 8:02
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