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BestPractice - Transform first character of a string into lower case
I'd like to have a method that transforms the first character of a string into lower case.
11 Answers
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What are the differences between segment trees, interval trees, binary indexed trees and range trees
...mption for one dimension:
Segment tree - O(n logn) preprocessing time, O(k+logn) query time, O(n logn) space
Interval tree - O(n logn) preprocessing time, O(k+logn) query time, O(n) space
Range tree - O(n logn) preprocessing time, O(k+logn) query time, O(n) space
Binary Indexed tree - O(n logn) pr...
How do I convert uint to int in C#?
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Given:
uint n = 3;
int i = checked((int)n); //throws OverflowException if n > Int32.MaxValue
int i = unchecked((int)n); //converts the bits only
//i will be negative if n > Int32.MaxValue
int i = (int)n; //same behavior a...
Get PHP class property by string
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Like this
<?php
$prop = 'Name';
echo $obj->$prop;
Or, if you have control over the class, implement the ArrayAccess interface and just do this
echo $obj['Name'];
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Find indices of elements equal to zero in a NumPy array
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David Cain
13.4k1010 gold badges6161 silver badges6868 bronze badges
answered Jan 3 '11 at 21:44
mtrwmtrw
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Difference between Big-O and Little-O Notation
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f ∈ O(g) says, essentially
For at least one choice of a constant k > 0, you can find a constant a such that the inequality 0 <= f(x) <= k g(x) holds for all x > a.
Note that O(g) is the set of all functions for which this condition holds.
f ∈ o(g) says, essentially
Fo...
Adding gif image in an ImageView in android
...ge. No animation is there. It's appearing just as a still image. I would like to know how can i show it as a gif image.
18 ...
How do I create a list of random numbers without duplicates?
...ile once, before your loop. It's much more efficient to do this than to seek back to the start of the file and call f1.readlines() again for each loop iteration.
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How does the HyperLogLog algorithm work?
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The main trick behind this algorithm is that if you, observing a stream of random integers, see an integer which binary representation starts with some known prefix, there is a higher chance that the cardinality of the stream is 2^(size o...
Showing the same file in both columns of a Sublime Text window
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Yes, you can. When a file is open, click on File -> New View Into File. You can then drag the new tab to the other pane and view the file twice.
There are several ways to create a new pane. As described in other answers, on Linux and Windows, you can use AltSh...