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Check if an element is present in an array [duplicate]
...e().getTime();
for(var i = 0; i < 10000000; i++)
{
if(array.includes("test") === true){ result++; }
}
console.log(new Date().getTime() - start);
~ 1050 ms, indexOf
var array = [0,1,2,3,4,5,6,7,8,9];
var result = 0;
var start = new Date().getTime();
for(var i = 0; i < 10000000; i++)
{
...
Reading a file line by line in Go
...ing the case where the line is greater than the reader's buffer size.
I tested the various solutions suggested by writing a program to test the scenarios which are identified as problems in other answers:
A file with a 4MB line.
A file which doesn't end with a line break.
I found that:
The Sca...
Statistics: combinations in Python
...
return int( reduce(mul, (Fraction(n-i, i+1) for i in range(k)), 1) )
Test - printing Pascal's triangle:
>>> for n in range(17):
... print ' '.join('%5d'%nCk(n,k) for k in range(n+1)).center(100)
...
1 ...
T-SQL: Deleting all duplicate rows but keeping one [duplicate]
...up identifier and "baz" is some sort of time stamp. In order to keep the latest, you'd do ORDER BY baz desc)
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viewWillDisappear: Determine whether view controller is being popped or is showing a sub-view contro
...The -isMovingFromParentViewController method mentioned below allows you to test if the view is being popped explicitly.
– grahamparks
Oct 1 '13 at 11:20
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How to list the size of each file and directory and sort by descending size in Bash?
...sdf.2000.gz
2,5M xyz.PT.gz
136K xyz.6000.gz
116K xyz.6000p.gz
88K test.4000.gz
76K test.4000p.gz
44K test.2000.gz
8,0K desc.common.tcl
8,0K wer.2000p.gz
8,0K wer.2000.gz
4,0K ttree.3
Explanation
du displays "disk usage"
h is for "human readable" (both, in sort and in du)
max...
How to get browser width using JavaScript code?
...
Original Answer
Since all browsers behave differently, you'll need to test for values first, and then use the correct one. Here's a function that does this for you:
function getWidth() {
if (self.innerWidth) {
return self.innerWidth;
}
if (document.documentElement && documen...
What is Dependency Injection and Inversion of Control in Spring Framework?
...ed i.e., each class is independent of each other so that everything can be tested individually. But when using those classes, a class may be dependent on other classes which need to be instantiated first.
So, we tell spring that class A is dependent on class B. So, when creating bean(like class) f...
How to merge YAML arrays?
..."$SSH_KNOWN_HOSTS" > ~/.ssh/known_hosts
- chmod 644 ~/.ssh/known_hosts
test:
image: python:3.7.3
stage: test
script:
- *pip_git
- pip install -q -r requirements_test.txt
- python -m unittest discover tests
use the same `*pip_git` on e.g. build image...
wher...
How do I encode/decode HTML entities in Ruby?
...code the characters, you can use CGI.escapeHTML:
string = CGI.escapeHTML('test "escaping" <characters>')
To decode them, there is CGI.unescapeHTML:
CGI.unescapeHTML("test &quot;unescaping&quot; &lt;characters&gt;")
Of course, before that you need to include the CGI librar...