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What is the most efficient way to deep clone an object in JavaScript?
...e(JSON.stringify(object))
const a = {
string: 'string',
number: 123,
bool: false,
nul: null,
date: new Date(), // stringified
undef: undefined, // lost
inf: Infinity, // forced to 'null'
re: /.*/, // lost
}
console.log(a);
console.log(typeof a.date); // Date obje...
How can I round a number in JavaScript? .toFixed() returns a string?
...ating-point systems.
For example, 0.1 is really 0.1000000000000000055511151231257827021181583404541015625, and 0.01 is really 0.01000000000000000020816681711721685132943093776702880859375. (Thanks to BigDecimal for proving my point. :-P)
Therefore (absent a decimal floating point or rational numbe...
Parameterize an SQL IN clause
...
123
That will be hella slow
– Matt Rogish
Dec 3 '08 at 16:43
...
What is the rationale behind having companion objects in Scala?
...f") // gives you the RealThing wrapped over string
val vi = AbstractClass(123) // gives you AlternativeThing wrapped over int
I wouldn't call the object/base class AbstractXxxxx because it doesn't looks bad: like creating something abstract. Give those names a real meaning.
Consider using immuta...
Pure virtual function with implementation
... be provided (base's implementation).
– StackExchange123
Mar 7 at 12:09
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...
File Upload without Form
...e with properties of file_field to form_data
form_data.append("user_id", 123) // Adding extra parameters to form_data
$.ajax({
url: "/upload_avatar", // Upload Script
dataType: 'script',
cache: false,
contentType: false,
processData: false,
data: form_data, // Setting the...
File system that uses tags rather than folders?
...c genre=indie-rock good year=1999
$ tmsu tag melody.mp3 music
$ tmsu tag DC123.jpg photo landscape country=italy year=2014
$ tmsu files music year = 1999
./song.mp3
And the virtual filesystem:
$ mkdir mp
$ tmsu mount mp
$ ls mp
query tags
$ ls tags
country genre good landscape photo music ...
How do I find all files containing specific text on Linux?
...ion, because accepted do not search half words
– waza123
Aug 27 '19 at 8:53
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How to get an MD5 checksum in PowerShell
...
vcsjonesvcsjones
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Regular expression for matching latitude/longitude coordinates?
...es
+90.0, -127.554334
45, 180
-90, -180
-90.000, -180.0000
+90, +180
47.1231231, 179.99999999
Doesn't Match
-90., -180.
+90.1, -100.111
-91, 123.456
045, 180
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