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Why are exclamation marks used in Ruby methods?
...e explanation:
foo = "BEST DAY EVER" #assign a string to variable foo.
=> foo.downcase #call method downcase, this is without any exclamation.
"best day ever" #returns the result in downcase, but no change in value of foo.
=> foo #call the variable foo now.
"BEST DAY EVER" #variable is u...
Get protocol, domain, and port from URL
...Map = Array
.from(url.searchParams)
.reduce((params, [key, val]) => params.set(key, val), new Map());
return Object.fromEntries(paramsMap);
}
searchParamsToObj(url.searchParams);
// -> { startIndex: '1', pageSize: '10' }
If you used Method 2 (the old way), you can use something lik...
How do you get an iPhone's device name
If you open Settings -> General -> About , it'll say Bob's iPhone at the top of the screen. How do you programmatically grab that name?
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Oracle SQL, concatenate multiple columns + add text
...u try the || operator ?
Concatenation Operator Documentation from Oracle >>>
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php Replacing multiple spaces with a single space [duplicate]
...ta, result (for calls on ~8300 various text articles): /(?:\s\s+|\n|\t)/ => 1410 (slowest), /\s+/ => 611 (ok'ish), /\s\s+/ => 496 (fastest). The last one does not replace single \n or \t, but thats ok for my case.
– Frunsi
Dec 16 '11 at 2:09
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How do I find the maximum of 2 numbers?
...e the same result by using a Conditional Expression:
maxnum = run if run > value else value
a bit more flexible than max but admittedly longer to type.
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How to view hierarchical package structure in Eclipse package explorer
...
The View Menu is also accessible via Window > Navigation
– Sergei Rodionov
Aug 9 '17 at 18:59
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how to clear the screen in python [duplicate]
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If you mean the screen where you have that interpreter prompt >>> you can do CTRL+L on Bash shell can help. Windows does not have equivalent. You can do
import os
os.system('cls') # on windows
or
os.system('clear') # on linux / os x
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How to use IntelliJ IDEA to find all unused code?
...uture readers: IDEA 12.1.6, at least, does indeed have it under Analyze --> Inspect Code
– ZAD-Man
Jan 14 '14 at 22:27
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Check if a string has a certain piece of text [duplicate]
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Here you go: ES5
var test = 'Hello World';
if( test.indexOf('World') >= 0){
// Found world
}
With ES6 best way would be to use includes function to test if the string contains the looking work.
const test = 'Hello World';
if (test.includes('World')) {
// Found world
}
...