大约有 47,000 项符合查询结果（耗时：0.0689秒） [XML]
How can you sort an array without mutating the original array?
...nst sorted = [...arr].sort();
the spread-syntax as array literal (copied from mdn):
var arr = [1, 2, 3];
var arr2 = [...arr]; // like arr.slice()
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Spread_operator
...
Why charset names are not constants?
...le answer to the question asked is that the available charset strings vary from platform to platform.
However, there are six that are required to be present, so constants could have been made for those long ago. I don't know why they weren't.
JDK 1.4 did a great thing by introducing the Charset ty...
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 13: ordinal not in range(128)
...answer are not right for Python 3 -- for Python 3, we're trying to convert from bytes to str rather than from str to unicode.)
– icktoofay
Aug 25 '19 at 7:16
add a comment
...
How to profile methods in Scala?
...o spare anyone the trouble of wondering now, the :wrap feature was removed from the REPL :-\
– ches
May 4 '16 at 16:28
add a comment
|
...
Origin is not allowed by Access-Control-Allow-Origin
...x requests, this chrome plugin automatically allows you to access any site from any source by adding the proper response header
Chrome Extension Allow-Control-Allow-Origin: *
share
|
improve this a...
Rename multiple files by replacing a particular pattern in the filenames using a shell script [dupli
...
With bash, you can also redirect from a string: sed 's/foo/bar/' <<< "$f"
– glenn jackman
Jul 27 '11 at 11:08
2
...
Resetting generator object in Python
...y:
print(x)
for x in y_backup:
print(x)
This could be beneficial from memory usage point of view if the original iteration might not process all the items.
share
|
improve this answer
...
Can you write nested functions in JavaScript?
...b(y) { // <-- inner function
return x + y; // <-- use variables from outer scope
}
return b; // <-- you can even return a function.
}
console.log(a(3)(4));
share
|
...
Starting the week on Monday with isoWeekday()
... 7 + moment(startOfPeriod).isoWeekday() - myIsoWeekDay;
// subtract days from start of period
var begin = moment(startOfPeriod).subtract('d', daysToSubtract);
share
|
improve this answer
...
How to handle back button in activity
...
Yes, does anyone know how to do it from a fragment
– James Wierzba
Dec 6 '15 at 3:01
3
...